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frontiers of p.y.ics 2024年第1期19卷 1-154页

作者： m.Ach.sov x.C.Ai l.p.An R.Al.berti q.An x.Z.Bai y.Bai O.Bakina A.Barny.kov V.Bl.nov V.Bobrovnikov d.Bod.ov A.Bogom.4}gkov A.Bond.r I.Boy.o Z.h.Bu f.m.Cai h.Cai J.J.Cao q.h.Cao x.Cao Z.Cao q.Ch.ng K.T.Ch.o d.y.chen h.chen h.x.chen J.f.chen K.chen l.l.chen p.chen s.l.chen s.m.chen s.chen s.p.chen w.chen x.chen x.f.chen x.R.chen y.chen y.q.chen h.y.cheng J.cheng s.cheng T.G.cheng J.p.d.i l.y.d.i x.C.d.i d.d.d.vich.A.d.nig I.d.nisenko J.m.d.as d.Z.d.ng l.y.d.ng w.h.d.ng V.d.uzh.nin d.s.d. y.J.d. Z.G.d. l.m.d.an d.Ep.fanov y.l.fan s.s.fang Z.J.fang G.fed.tovich.C.q.feng x.feng y.T.feng J.l.fu J.Gao y.N.Gao p.s.Ge C.q.Geng l.s.Geng A.Gil.an l.Gong T.Gong B.Gou w.Grad.2}J.l.Gu A.Guevara l.C.Gui A.q.Guo f.K.Guo J.C.Guo J.Guo y.p.Guo Z.h.Guo A.Guskov K.l.h.n l.h.n m.h.n x.q.h.o J.B.h. s.q.h. x.G.h. y.l.h. Z.B.h. Z.x.h.ng B.l.h.u T.J.h.u y.R.h.u C.y.h. h.m.h. K.h. R.J.h. w.h.h. x.h.h. y.C.h. J.h.a G.s.h.ang J.s.h.ang m.h.ang q.y.h.ang w.q.h.ang x.T.h.ang x.J.h.ang y.B.h.ang y.s.h.ang N.h.sken V.Ivanov q.p.Ji J.J.Jia s.Jia Z.K.Jia h.B.Jiang J.Jiang s.Z.Jiang J.B.Jiao Z.Jiao h.J.Jing x.l.Kang x.s.Kang B.C.Ke m.Kenzie A.Kh.ukaz I.Koop.E.Kravchenko A.Kuzm.n y.l.i E.l.vich.v C.h.l. C.l. d.y.l. f.l. G.l. G.l. h.B.l. h.l. h.N.l. h.J.l. h.l.l. J.m.l. J.l. l.l. l.l. l.y.l. N.l. p.R.l. R.h.l. s.l. T.l. w.J.l. x.l. x.h.l. x.q.l. x.h.l. y.l. y.y.l. Z.J.l. h.l.ang J.h.l.ang y.T.l.ang G.R.l.ao l.Z.l.ao y.l.ao C.x.l.n d.x.l.n x.s.l.n B.J.l.u C.w.l.u d.l.u f.l.u G.m.l.u h.B.l.u J.l.u J.J.l.u J.B.l.u K.l.u K.y.l.u K.l.u l.l.u q.l.u s.B.l.u T.l.u x.l.u y.w.l.u y.l.u y.l.l.u Z.q.l.u Z.y.l.u Z.w.l.u I.l.gash.nko y.l.ng C.G.l. J.x.l. N.l. q.f.l. y.l. y.l. Z.l. p.l.kin f.J.l.o T.l.o x.f.l.o y.h.l.o h.J.l.u x.R.l.u J.p.m. p.m. y.m. y.m.m. f.m.as s.m.l.e d.m.tvienko Z.x.m.ng R.m.tch.l. A.Nefed.ev y.Nefed.v s.l.Ol.en q.Ouy.ng p.p.kh.ov G.p.kh.ova x.p.n y.p.n E.p.ssem.r y.p.p.i h.p.p.ng l.p.ng x.y.p.ng x.J.p.ng K.p.ters s.p.vovarov E.p.ata B.B.qi y.q.qi w.B.qian y.qian C.f.qiao J.J.qin J.J.qin l.q.qin x.s.qin T.l.qiu J.Rad.m.cker C.f.Red.0}r h.y.sang Anh.i University Hefei 230039China Beih.ng University Beijing 100191China Bud.er Institute of Nucl.ar p.y.ics Novosibirsk 630090Russia CAs Key.l.boratory.of Th.oretical.p.y.ics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavend.sh.l.boratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central.Ch.na Norm.l.University Wuhan 430079China Central.south.University Changsha 410083China Ch.na University.of Geosciences Wuhan 430074China Ch.na University.of m.ning and.Tech.ol.gy Xuzhou 221116China Écol. p.l.tech.ique féd.ral. d. l.usanne(Ep.l. LausanneSwitzerland fud.n University Shanghai 200433China Goeth. University.frankfurt D-60325 Frankfurt am MainGermany Guangx. Norm.l.University Guilin 541004China Guangx. Uninversity Nanning 530004China h.ngzhou Institute for Ad.anced.stud. UCASHangzhou 310024China h.bei Norm.l.University Shijiazhuang 050024China h.bei University Baoding 071002China h.fei University.of Tech.ol.gy Hefei 230601China h.l.h.l.z Institute m.inz Staudinger Weg 18D-55099 MainzGermany h.nan Norm.l.University Xinxiang 453007China h.nan University Kaifeng 475004China h.gh.Energy.p.y.ics Center Chung-Ang UniversitySeoul 06974Korea h.gh.r sch.ol.of Econom.4}11 p.krovsky.Bul.ar Moscow 109028Russia h.angsh.n University Huangshan 245000China h.bei University.of Autom.tive Tech.ol.gy Shiyan 442002China h.nan Norm.l.University Changsha 410081China h.nan University.of science and.Tech.ol.gy Xiangtan 411201China h.nan University Changsha 410082China Ind.ana University BloomingtonIndiana 47405USA Inner m.ngol.a University Hohhot 010021China Institute of Ad.anced.science facil.ties Shenzhen 518107China Institute of h.gh.Energy.p.y.ics Chinese Academy of SciencesBeijing 100049China Institute of m.d.rn p.y.ics Chinese Academy of SciencesLanzhou 730000China Institute of p.y.ics Academia SinicaTaipeiTaiwan 11529China Institute of Th.oretical.p.y.ics Chinese Academy of SciencesBeijing 100190China Jil.n University Changch

Th. sup.rτ-ch.rm.facil.ty.sTCf)is an el.ctron–p.sitron col.id.r p.op.sed.by.th. Ch.nese p.rticl. p.y.ics *** is d.signed.to op.rate in a center-of-m.ss energy.range from.2 to 7 GeV w.th.a p.ak l.m.nosity.of 0.5×10^(35) cm.(–2)·s^(–1) or *** sTCf w.l. p.od.ce a d.ta sam.1}e about a factor of 100 l.rger th.n th.t of th. p.esentτ-ch.rm.factory.th. BEp.II,p.ovid.ng a unique p.atform.for ex.1}oring th. asy.m.try.of m.tter-antim.tter(ch.rge-p.rity.viol.tion),in-d.p.h.stud.es of th. internal.structure of h.d.ons and.th. nature of non-p.rturbative strong interactions,as w.l. as search.ng for ex.tic h.d.ons and.p.y.ics bey.nd.th. stand.rd.*** sTCf p.oject in Ch.na is und.r d.vel.p.ent w.th.an ex.ensive R&d.*** d.cum.nt p.esents th. p.y.ics op.ortunities at th. sTCf,d.scribes concep.ual.d.signs of th. sTCf d.tector sy.tem.and.d.scusses future p.ans for d.tector R&d.and.p.y.ics case stud.es.

关键词： el.ctron–p.sitron col.id.r tau-ch.rm.region h.gh.l.m.nosity sTCf d.tector concep.ual.d.sign

Am.0}itud. anal.sis of th. d.cay. d.(0)→π^(+)π^(−)π^(+)π^(−)and.d.(0)→π^(+)π^(−)π^(0)π^(0)

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Ch.nese p.y.ics C 2024年第8期48卷 6-33页

作者： m.Abl.kim.m.N.Ach.sov p.Ad.1}rson O.Afed.l.d.s x.C.Ai R.Al.berti A.Am.roso q.An y.Bai O.Bakina I.Bal.ssino y.Ban h.-R.Bao V.Batozskay. K.Begzsuren N.Berger m.Berl.w.ki m.Bertani d.Bettoni f.Bianch. E.Bianco A.Bortone I.Boy.o R.A.Briere A.Brueggem.nn h.Cai x.Cai A.Cal.aterra G.f.Cao N.Cao s.A.Cetin J.f.Ch.ng w.l.Ch.ng G.R.Ch. G.Ch.l.ov C.chen C.h.chen Ch.o chen G.chen h.s.chen m.l.chen s.J.chen s.l.chen s.m.chen T.chen x.R.chen x.T.chen y.B.chen y.q.chen Z.J.chen Z.y.chen s.K.Ch.i x.Ch. G.Cibinetto f.Cossio J.J.Cui h.l.d.i J.p.d.i A.d.ey.si R.E.d. Boer d.d.d.vich.C.q.d.ng Z.y.d.ng A.d.nig I.d.ny.enko m.d.stefanis f.d. m.ri B.fang s.s.fang w.x.fang y.fang y.q.fang R.farinel.i l.fava f.fel.bauer G.fel.ci C.q.feng J.h.feng y.T.feng K.fisch.r m.fritsch.C.d.fu J.l.fu y.w.fu h.Gao y.N.Gao y.ng Gao s.Garbol.no I.Garzia p.T.Ge Z.w.Ge C.Geng E.m.Gersabeck B.d.ng x.x.d.ng y.d.ng y.d.ng J.d.ng l.y.d.ng m.y.d.ng x.d.ng m.C.d. s.x.d. Z.h.d.an p.Egorov y.h.fan J.fang JA.Gil.an K.Goetzen l.Gong w.x.Gong w.Grad.1}s.Gram.gna m.Greco m.h.Gu y.T.Gu C.y.Guan Z.l.Guan A.q.Guo l.B.Guo m.J.Guo R.p.Guo y.p.Guo A.Guskov J.Gutierrez K.l.h.n T.T.h.n x.q.h.o f.A.h.rris K.K.h. K.l.h. f.h.h.insius C.h.h.inz y.K.h.ng C.h.rol. T.h.l.m.nn p.C.h.ng G.y.h.u x.T.h.u y.R.h.u Z.l.h.u B.y.h. h.m.h. J.f.h. T.h. y.h. G.s.h.ang K.x.h.ang l.q.h.ang x.T.h.ang y.p.h.ang T.h.ssain f.h."ol.ken N.h."usken N.in d.r w.esch. m.Irsh.d.J.Jackson s.Janch.v J.h.Jeong q.Ji q.p.Ji w.Ji x.B.Ji x.l.Ji y.y.Ji x.q.Jia Z.K.Jia d.Jiang h.B.Jiang p.C.Jiang s.s.Jiang T.J.Jiang x.s.Jiang y.Jiang J.B.Jiao J.K.Jiao Z.Jiao s.Jin y.Jin m.q.Jing x.m.Jing T.Joh.nsson s.Kabana N.Kal.ntar-Nay.stanaki x.l.Kang x.s.Kang m.Kavatsy.k B.C.Ke V.Kh.ch.try.n A.Kh.ukaz R.Kiuch. O.B.Kol.u B.Kop. m.Kuessner x.Kui A.Kup.c w.K\"uh. J.J.l.ne p.l.rin l.l.vezzi T.T.l.i Z.h.l.i h.l.ith.ff m.l.l.m.nn T.l.nz C.l. C.l. C.h.l. cheng l. d.m.l. f.l. G.l. h.l. h.B.l. h.J.l. h.N.l. h.i l. J.R.l. J.s.l. K.l. l.J.l. l.K.l. l.i l. m.h.l. p.R.l. q.m.l. q.x.l. R.l. s.x.l. T.l. w.d.l. w.G.l. x.l. x.h.l. x.l.l. x.y.l. y Institute of h.gh.Energy.p.y.ics Chinese Academy of SciencesBeijing 100049China Beih.ng University Beijing 100191China Boch.m.Ruh.-University D-44780 BochumGermany Bud.er Institute of Nucl.ar p.y.ics sB RAs(BINp. Novosibirsk 630090Russia Carnegie m.l.on University PittsburghPennsylvania 15213USA Central.Ch.na Norm.l.University Wuhan 430079China Central.south.University Changsha 410083China Ch.na Center of Ad.anced.science and.Tech.ol.gy Beijing 100190China Ch.na University.of Geosciences Wuhan 430074China Ch.ng-Ang University Seoul06974Republic of Korea COm.ATs University.Isl.m.bad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fud.n University Shanghai 200433China GsI h.l.h.l.zcentre for h.avy.Ion Research.Gm.h D-64291 DarmstadtGermany Guangx. Norm.l.University Guilin 541004China Guangx. University Nanning 530004China h.ngzhou Norm.l.University Hangzhou 310036China h.bei University Baoding 071002China h.l.h.l.z Institute m.inz Staudinger Weg 18D-55099 MainzGermany h.nan Norm.l.University Xinxiang 453007China h.nan University Kaifeng 475004China h.nan University.of science and.Tech.ol.gy Luoyang 471003China h.nan University.of Tech.ol.gy Zhengzhou 450001China h.angsh.n Col.ege Huangshan 245000China h.nan Norm.l.University Changsha 410081China h.nan University Changsha 410082China Ind.an Institute of Tech.ol.gy.m.d.as Chennai 600036India Ind.ana University BloomingtonIndiana 47405USA INfN l.boratori Nazional. d. frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INfN l.boratori Nazional. d. frascati INFN Sezione di PerugiaI-06100PerugiaItaly INfN l.boratori Nazional. d. frascati University of PerugiaI-06100PerugiaItaly INfN sezione d. ferrara INFN Sezione di FerraraI-44122FerraraItaly INfN sezione d. ferrara University of FerraraI-44122FerraraItaly Inner m.ngol.a University Hohhot 010021China Institute of m.d.rn p.y.ics Lanzhou 730000China Institute of p.y.ics and.Tech.ol.gy Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto d. A

Using e^(+)e^(−)annih.l.tion d.ta corresp.nd.ng to an integrated.l.m.nosity.of 2.93 fb^(−1)taken at th. center-of-m.ss energy.s=3.773 GeV w.th.th. BEsIII d.tector,a joint am.2}itud. anal.sis is p.rform.d.on th. d.cay. d.(0)→π^(+)π^(−)π^(+)π^(−)and.d.(0)→π^(+)π^(−)π^(0)π^(0)(non-η).Th. fit fractions of ind.vid.al.com.2}nents are obtained.and.l.rge interferences am.ng th. d.m.nant com.2}nents of th. d.cay. d.(0)→a_(1)(1260)π,d.(0)→π(1300)π,d.(0)→ρ(770)ρ(770),and.d.(0)→2(ππ)_(s)are observed.in both.*** th. obtained.am.2}itud. m.d.l.th. Cp.even fractions of d.(0)→π^(+)π^(−)π^(+)π^(−)and.d.(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are d.term.ned.to be(75.2±1.1_(stat).±1.5_(sy.t.))%and.68.9±1.5_(stat).±2.4_(sy.t.))%,*** branch.ng fractions of d.(0)→π^(+)π^(−)π^(+)π^(−)and.d.(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are m.asured.to be(0.688±0.010_(stat.)±0.010_(sy.t.))%and.0.951±0.025_(stat.)±0.021_(sy.t.))%,*** am.2}itud. anal.sis p.ovid.s an im.2}rtant m.d.l.for th. binning strategy.in m.asuring th. strong p.ase p.ram.ters of d.(0)→4πw.0}n used.to d.term.ne th. CKm.angl.γ(ϕ_(3))via th. B^(−)→d.^(−)d.cay.

关键词： BEsIII d.(0)m.son d.cay. am.0}itud. anal.sis Cp.even fraction

Evid.nce for p.rticl. accel.ration ap.roach.ng p.V energies in th. w.1 com.0}ex

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science Bul.etin 2024年第18期69卷 2833-2841页

作者： l.0}AsO Col.aboration Zh.n Cao f.Ah.ronian Ax.kegu y.x.Bai y.w.Bao d.Bastieri x.J.Bi y.J.Bi w.Bian A.V.Bukevich.q.Cao w.y.Cao Zh. Cao J.Ch.ng J.f.Ch.ng A.m.chen E.s.chen h.x.chen l.ang chen l.n chen l.ng chen m.J.chen m.l.chen q.h.chen s.chen s.h.chen s.Z.chen T.l.chen y.chen N.cheng y.d.cheng m.y.Cui s.w.Cui x.h.Cui y.d.Cui B.Z.d.i h.l.d.i Z.G.d.i d.nzengl.obu x.q.d.ng K.K.d.an J.h.fan y.Z.fan J.fang J.h.fang K.fang C.f.feng h.feng l.feng s.h.feng x.T.feng y.feng y.l.feng s.Gabici B.Gao C.d.Gao q.Gao w.Gao w.K.Gao m.m.Ge l.s.Geng G.Giacinti G.h.Gong q.B.Gou m.h.Gu f.l.Guo x.l.Guo y.q.Guo y.y.Guo y.A.h.n m.h.san h.h.h. h.N.h. J.y.h. y.h. y.K.h.r B.w.h.u C.h.u x.h.u h.B.h. q.h. s.C.h. d.h.h.ang T.q.h.ang w.J.h.ang x.T.h.ang x.y.h.ang y.h.ang x.l.Ji h.y.Jia K.Jia K.Jiang x.w.Jiang Z.J.Jiang m.Jin m.m.Kang I.Karp.kov d.Kul.sh.v K.Kurinov B.B.l. C.m.l. cheng l. Cong l. d.l. f.l. h.B.l. h.C.l. Jian l. Jie l. K.l. s.d.l. w.l.l. w.l.l. x.R.l. x.n l. y.Z.l. Zh. l. Zh.o l. E.w.l.ang y.f.l.ang s.J.l.n B.l.u C.l.u d.l.u d.B.l.u h.l.u h.d.l.u J.l.u J.l.l.u m.y.l.u R.y.l.u s.m.l.u w.l.u y.l.u y.N.l.u q.l.o y.l.o h.K.l. B.q.m. l.l.m. x.h.m. J.R.m.o Z.m.n w.m.tth.m.iri h.J.m. y.C.Nan A.Neronov l.J.Ou p.p.ttarakijw.nich.Z.y.p.i J.C.qi m.y.qi B.q.qiao J.J.qin A.Raza d.Ruffol. A.sáiz m.saeed.d.sem.koz l.sh.o O.sh.h.gol.v x.d.sh.ng f.w.sh. h.C.song y..V.stenkin V.step.nov y.su d.x.sun q.N.sun x.N.sun Z.B.sun J.Takata p.h.T.Tam.q.w.Tang R.Tang Z.B.Tang w.w.Tian C.w.ng C.B.w.ng G.w.w.ng h.G.w.ng h.h.w.ng J.C.w.ng Kai w.ng Kai w.ng l.p.w.ng l.y.w.ng p.h.w.ng R.w.ng w.w.ng x.G.w.ng x.y.w.ng y.w.ng y.d.w.ng y.J.w.ng Z.h.w.ng Z.x.w.ng Zh.n w.ng Zh.ng w.ng d.m.w.i J.J.w.i y.J.w.i T.w.n C.y.w. h.R.w. q.w.w. s.w. x.f.w. y.s.w. s.q.x. J.x.a G.m.x.ang d.x.x.ao G.x.ao y.l.x.n y.x.ng d.R.x.ong Z.x.ong d.l.xu R.f.xu R.x.xu w.l.xu l.xue d.h.y.n J.Z.y.n T.y.n C.w.y.ng C.y.y.ng f.y.ng f.f.y.ng l.l.y.ng m.J.y.ng R.Z.y.ng w.x.y.ng y.h.yao Z.G.yao l.q.y.n N.y.n x.h.y.u Z.y.y.u y.h.y. q.y.an h.y.e h.d.Zeng T.x.Zeng w.Zeng m.Zh. B.B.Zh.ng f.Zh.ng h.Zh.ng 不详 Key.l.boratory.of p.rticl. Astrop.y.ics&Ex.3}rim.ntal.p.y.ics d.vision&Com.3}ting Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of Ch.nese Acad.m.0}of sciences Beijing 100049China TIANfU Cosm.c Ray.Research.Center ChengduChina d.bl.n Institute for Ad.anced.stud.es 31 Fitzwilliam Place2 DublinIreland m.x.p.anck-Institut for Nucl.ar p.y.ics P.O.Box 103980Heidelberg 69029Germany sch.ol.of p.y.ical.science and.Tech.ol.gy.sch.ol.of Inform.tion science and.Tech.ol.gy Southwest Jiaotong UniversityChengdu 610031China sch.ol.of Astronom.2}and.sp.ce science Nanjing UniversityNanjing 210023China Center for Astrop.y.ics Guangzhou UniversityGuangzhou 510006China Tsung-d.o l.e Institute&sch.ol.of p.y.ics and.Astronom. Shanghai Jiao Tong UniversityShanghai 200240China Institute for Nucl.ar Research.of Russian Acad.m.2}of sciences Moscow 117312Russia h.bei Norm.l.University Shijiazhuang 050024China University.of science and.Tech.ol.gy.of Ch.na Hefei 230026China state Key.l.boratory.of p.rticl. d.tection and.El.ctronics China Key.l.boratory.of d.rk m.tter and.sp.ce Astronom.0}Key.l.boratory.of Rad.o Astronom. Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Research.Center for Astronom.cal.Com.2}ting Zhejiang LaboratoryHangzhou 311121China Key.l.boratory.for Research.in Gal.x.es and.Cosm.l.gy Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China sch.ol.of p.y.ics and.Astronom. Yunnan UniversityKunming 650091China Key.l.boratory.of Cosm.c Ray.(Tibet University. Ministry of EducationLhasa 850000China National.Astronom.cal.Observatories Chinese Academy of SciencesBeijing 100101China sch.ol.of p.y.ics and.Astronom.3}Zh.h.i)&sch.ol.of p.y.ics(Guangzhou)&sino-french.Institute of Nucl.ar Engineering and.Tech.ol.gy.Zh.h.i) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275GuangdongChina Institute of frontier and.Interd.scip.inary.science Shandong UniversityQingdao 266237China Ap. UniversitéParis Cité

Th.γ-ray.em.ssion from.th. w.1 com.3}ex.is w.d.l. acknow.7}d.ed.to be attributed.to th. interaction betw.en th. cosm.c ray.(CRs)accel.rated.by.th. sh.ck of sup.rnova rem.ant(sNR)w.1C and.th. d.nse m.l.cul.r cl.ud. in th. ad.acent star-form.ng region,***,th. m.x.m.m.accel.ration cap.bil.ty.of w.1C for CRs rem.ins *** on observations cond.cted.w.th.th. l.rge h.gh.Al.itud. Air sh.w.r Observatory.l.0}AsO),w. rep.rt a significant d.tection ofγray. em.nating from.th. w.1 com.3}ex.w.th.energies from.2 to 200 *** l.0}AsO m.asurem.nts,for th. first tim.,ex.end.th.γ-ray.em.ssion from.th. w.1 com.3}ex.bey.nd.100 TeV and.reveal.a significant sp.ctrum.bend.ng at tens of *** com.ining th."π^(0)-d.cay.bum.3}featured.d.ta from.ferm.-l.T,th. broad.and.-ray.sp.ctrum.of th. w.1 region can be w.l.-ch.racterized.by.a sim.3}e p.-col.ision *** observed.sp.ctral.bend.ng feature suggests an ex.24}nential.cutoff at~400 TeV or a p.w.r-l.w.break at~200 TeV in th. CR p.oton sp.ctrum.m.st l.kel. p.ovid.ng th. first evid.nce of sNRs serving as CR accel.rators ap.roach.ng th. p.V ***,tw. y.ung star cl.sters w.th.n w.1B coul. al.o be th.oretical.y.viabl. to p.od.ce th. m.st energeticγray. observed.by.*** find.ngs strongl. sup.ort th. p.esence of ex.rem. CR accel.rators w.th.n th. w.1 com.3}ex.and.p.ovid. new.insigh.s into th. origin of Gal.ctic CRs.

关键词： Uh. c-ray Cosm.c ray. sNR w.1C star cl.sters

d.term.nation of th. num.er ofψ(3686)events taken at BEsⅢ

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Ch.nese p.y.ics C 2024年第9期48卷 8-20页

作者： m.Abl.kim.m.N.Ach.sov p.Ad.1}rson O.Afed.l.d.s x.C.Ai R.Al.berti A.Am.roso q.An y.Bai O.Bakina I.Bal.ssino y.Ban h.-R.Bao V.Batozskay. K.Begzsuren N.Berger m.Berl.w.ki m.Bertani d.Bettoni f.Bianch. E.Bianco A.Bortone I.Boy.o R.A.Briere A.Brueggem.nn h.Cai x.Cai A.Cal.aterra G.f.Cao N.Cao s.A.Cetin J.f.Ch.ng G.R.Ch. G.Ch.l.ov C.chen C.h.chen Ch.o chen G.chen h.s.chen h.y.chen m.l.chen s.J.chen s.l.chen s.m.chen T.chen x.R.chen x.T.chen y.B.chen y.q.chen Z.J.chen Z.y.chen s.K.Ch.i G.Cibinetto f.Cossio J.J.Cui h.l.d.i J.p.d.i A.d.ey.si R.E.d. Boer d.d.d.vich.C.q.d.ng Z.y.d.ng A.d.nig I.d.ny.enko m.d.stefanis f.d. m.ri B.d.ng x.x.d.ng y.d.ng y.d.ng J.d.ng l.y.d.ng m.y.d.ng x.d.ng m.C.d. s.x.d. y.y.d.an Z.h.d.an p.Egorov y.h.fan J.fang J.fang s.s.fang w.x.fang y.fang y.q.fang R.farinel.i l.fava f.fel.bauer G.fel.ci C.q.feng J.h.feng y.T.feng m.fritsch.C.d.fu J.l.fu y.w.fu h.Gao x.B.Gao y.N.Gao y.ng Gao s.Garbol.no I.Garzia l.Ge p.T.Ge Z.w.Ge C.Geng E.m.Gersabeck A.Gil.an K.Goetzen l.Gong w.x.Gong w.Grad.1}s.Gram.gna m.Greco m.h.Gu y.T.Gu C.y.Guan Z.l.Guan A.q.Guo l.B.Guo m.J.Guo R.p.Guo y.p.Guo A.Guskov J.Gutierrez K.l.h.n T.T.h.n f.h.nisch.x.q.h.o f.A.h.rris K.K.h. K.l.h. f.h.h.insius C.h.h.inz y.K.h.ng C.h.rol. T.h.l.m.nn p.C.h.ng G.y.h.u x.T.h.u y.R.h.u Z.l.h.u B.y.h. h.m.h. J.f.h. s.l.h. T.h. y.h. G.s.h.ang K.x.h.ang l.q.h.ang x.T.h.ang y.p.h.ang T.h.ssain f.h.l.ken N.h.sken N.in d.r w.esch. J.Jackson s.Janch.v J.h.Jeong q.Ji q.p.Ji w.Ji x.B.Ji x.l.Ji y.y.Ji x.q.Jia Z.K.Jia d.Jiang h.B.Jiang p.C.Jiang s.s.Jiang T.J.Jiang x.s.Jiang y.Jiang J.B.Jiao J.K.Jiao Z.Jiao s.Jin y.Jin m.q.Jing x.m.Jing T.Joh.nsson s.Kabana N.Kal.ntar-Nay.stanaki x.l.Kang x.s.Kang m.Kavatsy.k B.C.Ke V.Kh.ch.try.n A.Kh.ukaz R.Kiuch. O.B.Kol.u B.Kop. m.Kuessner x.Kui N.Kum.r A.Kup.c w.Küh. J.J.l.ne p.l.rin l.l.vezzi T.T.l.i Z.h.l.i m.l.l.m.nn T.l.nz C.l. C.l. C.h.l. cheng l. d.m.l. f.l. G.l. h.B.l. h.J.l. h.N.l. h.i l. J.R.l. J.s.l. Ke l. l.J.l. l.K.l. l.i l. m.h.l. p.R.l. q.m.l. q.x.l. R.l. s.x.l. T.l. w.d.l. w.G.l. x.l. x.h.l. x.l.l. x.Z.l. x. Institute of h.gh.Energy.p.y.ics Beijing 100049China Beih.ng University Beijing 100191China Boch.m.Ruh.-University D-44780BochumGermany Bud.er Institute of Nucl.ar p.y.ics sB RAs(BINp. Novosibirsk 630090Russia Carnegie m.l.on University PittsburghPennsylvania 15213USA Central.Ch.na Norm.l.University Wuhan 430079China Central.south.University Changsha 410083China Ch.na Center of Ad.anced.science and.Tech.ol.gy Beijing 100190China Ch.na University.of Geosciences Wuhan 430074China Ch.ng-Ang University Seoul06974Republic of Korea COm.ATs University.Isl.m.bad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan fud.n University Shanghai 200433China GsI h.l.h.l.zcentre for h.avy.Ion Research.Gm.h D-64291DarmstadtGermany Guangx. Norm.l.University Guilin 541004China Guangx. University Nanning 530004China h.ngzhou Norm.l.University Hangzhou 310036China h.bei University Baoding 071002China h.l.h.l.z Institute m.inz Staudinger Weg 18D-55099MainzGermany h.nan Norm.l.University Xinxiang 453007China h.nan University Kaifeng 475004China h.nan University.of science and.Tech.ol.gy Luoyang 471003China h.nan University.of Tech.ol.gy Zhengzhou 450001China h.angsh.n Col.ege Huangshan 245000China h.nan Norm.l.University Changsha 410081China h.nan University Changsha 410082China Ind.an Institute of Tech.ol.gy.m.d.as Chennai 600036India Ind.ana University BloomingtonIndiana 47405USA INfN l.boratori Nazional. d. frascati (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INfN sezione d. ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Inner m.ngol.a University Hohhot 010021China Institute of m.d.rn p.y.ics Lanzhou 730000China Institute of p.y.ics and.Tech.ol.gy Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto d. Al.a Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jil.n University Changchun 130012China Joh.

Th. num.er ofψ(3686)events col.ected.by.th. BEsⅢd.tector d.ring th. 2021 run p.riod.is d.term.ned.to be(2259.3±11.1)×10~6 by.counting incl.siveψ(3686)h.d.onic *** uncertainty.is sy.tem.tic and.th. statistical.uncertainty.is ***,th. num.ers ofψ(3686)events col.ected.d.ring th. 2009 and.2012run p.riod. are up.ated.to be(107.7±0.6)×10~6 and.345.4±2.6)×10~6,*** num.ers are consistent w.th.th. p.evious m.asurem.nts w.th.n one stand.rd.*** total.num.er ofψ(3686)events in th. th.ee d.ta sam.5}es is(2712.4±14.3)×10~6.

关键词： ψ(3686) incl.sive p.ocess h.d.onic events BEsⅢd.tector

由超拍电子伏特加速器产生的超高能伽马射线气泡

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science Bul.etin 2024年第4期69卷 449-457页

作者： l.0}AsO Col.aboration Zh.n Cao Ch.and.ng Gao Cong l. Ruo-y. l.u Ruizh. y.ng 不详 Key.l.boratory.of p.rticl. Astrop.y.cs&Ex.3}rim.ntal.p.y.ics d.vision&Com.3}ting Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of Ch.nese Acad.m.0}of sciences Beijing 100049China TIANfU Cosm.c Ray.Research.Center ChengduChina Institute of frontier and.Interd.scip.inary.science Shandong UniversityQingdao 266237China sch.ol.of Astronom.2}and.sp.ce science Nanjing UniversityNanjing 210023China University.of science and.Tech.ol.gy.of Ch.na Hefei 230026China

w. rep.rt th. d.tection of aγ-ray.bubbl. sp.nning at l.ast 100d.g2 in ul.ra-h.gh.energy.Uh.)up.to a few.p.V in th. d.rection of th. star-form.ng region Cy.nus x.im.0}y.ng th. p.esence sup.r p.Vatron(s)accel.rating p.otons to at l.ast 10 p.V.A l.g-p.rabol. form.w.th.th. p.oton ind.x.(E)=(2.71±0.02)+(0.11±0.02)×l.g10(E/10 TeV)is found.fitting th. gam.a-ray.energy.sp.ctrum.of th. bubbl. *** sources,“h.t sp.ts”correl.ted.w.th.very.m.ssive m.l.cul.r cl.ud.,and.a quasi-sp.erical.am.rp.ousγ-ray.em.tter w.th.a sh.rp.central.brigh.ening are observed.in th. *** th. core of~0.5°,sp.tial.y.associating w.th.a region containing m.ssive OB association(Cy.nus OB2)and.a m.croquasar(Cy.nus x.3),as w.l. as p.eviousl. rep.rted.m.l.i-TeV sources,an enh.nced.concentration of Uh.γ-ray. is observed.w.th.2 p.otons at energies above 1 *** general.feature of th. bubbl.,th. m.rp.ol.gy.and.th. energy.sp.ctrum.are reasonabl. rep.od.ced.by.th. assum.0}ion of a p.rticl. accel.rator in th. core,continuousl. injecting p.otons into th. am.ient m.d.um.

关键词： Cosm.c ray. γ-ray. Interstel.ar m.d.um star cl.ster

Op.im.zation of p.rform.nce of th. Km.A ful. array.using th. Crab Nebul.

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Ch.nese p.y.ics C 2024年第6期48卷 169-178页

作者：曹臻 f.Ah.ronian 安琪阿西克古白云翔包逸炜 d.Bastieri 毕效军毕玉江蔡金庭曹晴曹文羽曹喆常进常劲帆陈尚明陈恩生陈亮陈林陈龙陈明君陈玛丽陈起辉陈素弘陈天禄陈阳程宁程耀东崔明阳崔树旺崔晓红崔昱东戴本忠代洪亮戴子高单增罗布 d.d.l.a Vol.1} 董绪强段凯凯樊军辉范一中方军方堃冯存峰封莉冯少辉丰晓婷冯有亮 s.Gabici 高博高川东高林青高启高卫高伟康葛茂茂耿利斯 G.Giacinti 龚光华苟全补顾旻皓郭福来郭晓磊郭义庆郭莹莹韩毅昂何会海贺昊宁何佳银何新波何钰 m.h.l.er 贺远强侯博文侯超侯贤胡红波胡铨胡世聪黄代绘黄天奇黄文俊黄性涛黄晓渊黄勇黄志成季筱璐贾焕玉贾康江琨姜晓巍姜泽军金敏康明铭柯通 d.Kul.sh.v.K.Kurinov 李兵兵李澄李骢李丹李飞李海波李会财李华阳李军李剑李捷李凯李文龙李文莲李秀荣李昕李一卓李哲黎卓梁恩维梁云峰林苏杰刘冰刘成刘栋刘虎刘海东刘佳刘江来刘金艳刘茂元柳若愚刘四明刘伟刘怡刘以农鲁睿罗晴吕洪魁马伯强马玲玲马欣华毛基荣闵振 w.m.tth.m.iri 穆慧君南云程 A.Neronov 区子维庞彬宇 p.p.ttarakijw.nich.裴致远齐孟尧祁业情乔冰强秦家军 d.Ruffol. A.sáiz d.sem.koz 邵澄宇邵琅 O.sh.h.gol.v 盛祥东舒富文宋慧超 y..V.stenkin V.step.nov 苏扬孙秦宁孙晓娜孙志斌谭柏轩唐庆文唐泽波田文武王超王昌贝王广威王洪光王惠惠王建成汪凯王利苹王玲玉王培汉王冉王为王祥高王祥玉王阳王玉东王岩谨王忠海王仲翔王振王铮韦大明魏俊杰魏永健文韬吴超勇吴含荣武莎吴雪峰吴雨生席邵强夏捷夏君集项光漫肖迪泫肖刚辛广广辛玉良邢祎熊峥徐东莲徐仁峰徐仁新徐伟立薛良闫大海颜景志颜田杨朝文杨帆杨冯帆杨何文杨佳盈杨莉莉杨明洁杨睿智杨深邦姚玉华姚志国叶一锰尹丽巧尹娜游晓浩游智勇于艳红袁强岳华曾厚敦曾婷轩曾玮查敏张彬彬张丰张海明张恒英张建立张丽霞张力张鹏飞张佩佩张瑞张少博张少如张寿山张潇张笑鹏张云峰张毅张勇赵兵赵静赵雷赵立志赵世平郑福周斌周浩周佳能周猛周平周荣周勋秀祝成光祝凤荣朱辉朱科军左雄 l.0}AsO Col.aboration Key.l.boratory.of p.rticl. Astrop.y.cs&Ex.3}rim.ntal.p.y.ics d.vision&Com.3}ting Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of Ch.nese Acad.m.0}of sciences Beijing 100049China Tianfu Cosm.c Ray.Research.Center Chengdu 610000China d.bl.n Institute for Ad.anced.stud.es 31 Fitzwilliam Place2 DublinIreland m.x.p.anck-Institut for Nucl.ar p.y.ics P.O.Box 10398069029 HeidelbergGermany state Key.l.boratory.of p.rticl. d.tection and.El.ctronics China University.of science and.Tech.ol.gy.of Ch.na Hefei 230026China sch.ol.of p.y.ical.science and.Tech.ol.gy.sch.ol.of Inform.tion science and.Tech.ol.gy Southwest Jiaotong UniversityChengdu 610031China sch.ol.of Astronom.2}and.sp.ce science Nanjing UniversityNanjing 210023China Center for Astrop.y.ics Guangzhou UniversityGuangzhou 510006China h.bei Norm.l.University Shijiazhuang 050024China Key.l.boratory.of d.rk m.tter and.sp.ce Astronom.0}Key.l.boratory.of Rad.o Astronom. Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Tsung-d.o l.e Institute&sch.ol.of p.y.ics and.Astronom. Shanghai Jiao Tong UniversityShanghai 200240China Key.l.boratory.for Research.in Gal.x.es and.Cosm.l.gy Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key.l.boratory.of Cosm.c Ray.(Tibet University. Ministry of EducationLhasa 850000TibetChina National.Astronom.cal.Observatories Chinese Academy of SciencesBeijing 100101China sch.ol.of p.y.ics and.Astronom.3}Zh.h.i)&sch.ol.of p.y.ics(Guangzhou)&sino-french.Institute of Nucl.ar Engineering and.Tech.ol.gy.Zh.h.i) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275China sch.ol.of p.y.ics and.Astronom. Yunnan UniversityKunming 650091China d.p.rtem.nt d. p.y.ique Nucl.aire et Corp.scul.ire Facultéde SciencesUniversitéde Genève24 Quai Ernest Ansermet1211 GenevaSwitzerland Institute of frontier and.Interd.scip.inary.science Shandong UniversityQingdao 266237China Ap. Universit'e Paris Cit'eCNRS/IN2P3CEA/IRFUObservat

Th. ful. array.of th. l.rge h.gh.Al.itud. Air sh.w.r Observatory.l.0}AsO)h.s been in op.ration since Jul. *** its kil.m.ter-square array.Km.A),w. op.im.zed.th. sel.ction criteria for very.h.gh.and.ul.rah.gh.energy.-ray. using d.ta col.ected.from.August 2021 to August 2022,resul.ing in an im.12}ovem.nt in significance of th. d.tection in th. Crab Nebul. of ap.rox.m.tel. 15%,com.12}red.w.th.th.t of p.evious *** th. im.12}em.ntation of th.se new.sel.ction criteria,th. angul.r resol.tion w.s al.o significantl. im.12}oved.by.ap.rox.m.tel. 10%at tens of *** asp.cts of th. ful. Km.A array.p.rform.nce,such.as th. p.inting error,w.re al.o cal.brated.using th. Crab *** resul.ing energy.sp.ctrum.of th. Crab Nebul. in th. energy.range of 10-1000 TeV are w.l. fitted.by.a l.g-p.rabol. m.d.l.w.0}ch.is consistent w.th.th. p.evious resul.s from.l.0}AsO and.oth.r ex.14}rim.nts.

关键词： γ-ray Crab Nebul. significance

m.asurem.nt of th. integrated.l.m.nosities of cross-section scan d.ta sam.2}es around.th.ψ(3770)m.ss region

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Ch.nese p.y.ics C 2018年第6期42卷 1-8页

作者： m. Abl.kim.m. N. Ach.sov s. Ah.ed.m. Al.rech. m. Al.kseev A. Am.roso f. f. An q. An y. Bai O. Bakina R. Bal.ini ferrol. y. Ban K. Begzsuren d. w. Bennett J. V. Bennett N. Berger m. Bertani d. Bettoni f. Bianch. E. Boger I. Boy.o R. A. Briere h. Cai x. Cai O. Cakir A. Cal.aterra G. f. Cao s. A. Cetin J. Ch.i J. f. Ch.ng w. l. Ch.ng G. Ch.l.ov G. chen h. s. chen J. C. chen m. l. chen p. l. chen s. J. chen x. R. chen y. B. chen x. K. Ch. G. Cibinetto f. Cossio h. a. d.i, J. f. d.i A. d.ey.si d. d.d.vich.Z. y. d.ng A. d.nig I. d.ny.enko m. d.stefanis f. d. m.ri y. d.ng C. d.ng J. d.ng l. y. d.ng m. y. d.ng Z. l. d.u s. x. d. p. f. nuan J. fang s. s. fang y. fang R. farinel.i l. fava s. fegan f. fel.bauer G. fel.ci C. q. feng E. fioravanti m. fritsch.C. d. fu q. Gao x. l. Gao y. Gao, y. G. Gao Z. Gao B. Garil.on I. Garzia A. Gil.an K. Goetzen l. Gong w. x. Gong w. Grad.1}m. Greco l. m. Gu m. h. Gu y. T. Gu A. q. Guo l. B. Guo R. p. Guo y. f. Guo A. Guskov Z. h.d.ad. s. h.n x. q. h.o f. A. h.rris Z. l. h. x. O. h. f. h. h.insius T. h.l. y. K. h.ng T. h.l.m.nn Z. l. h.u h. m. h. J. f. gu T. h. y. h. G. s. h.ang J. s. h.ang x. T. h.ang x. Z. h.ang Z. l. guang T. h.ssain w. Ikegam. And.rsson m.Irsh.d.q. Ji q. p. Ji x. B. Ji x. l. Ji x. s. Jiang x. y. Jiang J. B. Jiao Z. Jiao d. p. Jin s. Jin y. Jin T. Joh.nsson A. Jul.n N. Kal.ntar-Nay.stanaki x. s. Kang m. Kavatsy.k B. C. Ke T. Kh.n A. Kh.ukaz p. Kiese R. Kl.em. l. Koch.O. B. Kol.u B. Kop. m. Kornicer m. Kuem.el.m. Kuessner A. Kup.c m. Kurth.w. Kiih. J. s. l.nge m. l.ra p. l.rin l. l.vezzi s. l.iber h. l.ith.fi C. l. cheng l. d. m. l. f. l. f. y. l. G. l. h. B. l. h. J. l. J. C. l. J. w. l. K. J. l. Kang l. Ke l. l.i l. p. l. l. p. R. l. q. y. l. T. l. w. d. l. w. G. l. x. l. l. x. N. l. x. q. l. Z. B. l. h. l.ang y. f. l.ang y. T. l.ang G. R. l.ao l. Z. l.ao J. l.bby.C. x. l.n d. x. l.n s. l.u B. J. l.u C. x. l.u d. l.u d. y. l.u f. h. l.u fang l.u feng l.u h. B. l.u h. l.l.u h. m. l.u h.anh.an l.u h.ih.i l.u J. B. l.u J. y. l.u K. l.u K. y. l.u Ke l.u l. d. l.u q. l.u s B. Y. Zhang144 C. C. Zhang1D. H. Zhang1 H. H. Zhang45H. Y. Zhang144 J. Zhang151 J. L. Zhang65 J. Q. Zhang4 J. W. Zhang1 J. Y. Zhang1 J. Z. Zhang151 K. Zhang151 L. Zhang46 S. F. Zhang35 T. J. Zhang3975 X. Y. Zhang38 Y. Zhang4457 Y. H. Zhang144 Y. T. Zhang4557 Yang Zhang1 Yao Zhang1 Yu Zhang51 Z. H. Zhang6 Z. P. Zhan57Z. Y. Zhang64 G. Zhao1J. W. Zhao144 J. Y. Zhao151 J. Z. Zhao144 Lei Zhao4457 Ling Zhao1 M. G. Zhao35 Q. Zhao1 S. J. Zhao67 T. C. Zhao1 Y. B. Zhao144 Z. G. Zhao4457 A. Zhemehugov2869 B. Zheng58J. P. Zheng144 W. J. Zheng38 Y. H. Zheng51B. Zhong33 L. Zhou144 Q. Zhou151 X. Zhou64 X. K. Zhou4457 X. R. Zhou4457 X. Y. Zhou1 A. N. Zhu151 J. Zhu35 J. Zhu45 K. Zhu1 K. J. Zhu1 S. Zhu1 S. H. Zhu56 X. L. Zhu46 Y. C. Zhu4457 Y. S. Zhu151 Z. A. Zhu151 J. Zhuang144B. S. Zou1 J. H. Zou1 （ 1 Institute of High Energy Physics Beijing 100049 China Beih.ng University Beijing 100191 China Beijing Institute of p.troch.m.cal.Tech.ol.gy Beijing 102617 China Boch.m.Ruh.-University D-44780 Bochum Germany Carnegie m.l.on University Pittsburgh Pennsylvania 15213 USA Central.Ch.na Norm.l.University Wuhan 430079 China Ch.na Center of Ad.anced.science and.Tech.ol.gy Beijing 100190 China COm.ATs Institute of Inform.tion Tech.ol.gy Lahore Defence Road Off Raiwind Road 54000 Lahore Pakistan G.I. Bud.er Institute of Nucl.ar p.y.ics sB RAs （BINp. Novosibirsk 630090 Russia GsI h.l.h.l.zcentre for h.avy.Ion Research.Gm.h D-64291 Darmstadt Germany Guangx. Norm.l.University Guilin 541004 China Guangx. University Nanning 530004 China h.ngzhou Norm.l.University Hangzhou 310036 China h.l.h.l.z Institute m.inz JohannwJoachim-Becher-Weg 45 D-55099 Mainz Germany h.nan Norm.l.University Xinxiang 453007 China h.nan University.of science and.Tech.ol.gy Luoyang 471003 China h.angsh.n Col.ege Huangshan 245000 China h.nan Norm.l.University Changsha 410081 China h.nan University Changsha 410082 China Ind.an Institute of Tec

To investigate th. nature of th. Ψ（3770） resonance and.to m.asure th. cross section for e^＋e^-→d., a cross-section scan d.ta sam.3}e, d.stributed.am.ng 41 center-of-m.ss energy.p.ints from.3.73 to 3.89 GeV, w.s taken w.th.th. BEsIII d.tector op.rated.at th. BEp.II col.id.r in th. y.ar 2010. By.anal.zing th. l.rge angl. Bh.bh. scattering events, w. m.asure th. integrated.l.m.nosity.of th. d.ta sam.3}e at each.center-of-m.ss energy.p.int. Th. total.integrated.l.m.nosity.of th. d.ta sam.3}e is 76.16±0.04±0.61 p.^-1, w.0}re th. first uncertainty.is statistical.and.th. second.sy.tem.tic.

关键词： Bh.bh. scattering events integrated.l.m.nosity.BEsⅢ

Geom.trical.reconstruction of fl.orescence events observed.by.th. l.0}AsO ex.7}rim.nt

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Ch.nese p.y.ics C 2021年第4期45卷 416-425页

作者： f.Ah.ronian q.An Ax.kegu l.x.Bai y.x.Bai y.w.Bao d.Bastieri x.J.Bi y.J.Bi h.Cai J.T.Cai Z.Cao Z.Cao J.Ch.ng J.f.Ch.ng x.C.Ch.ng B.m.chen J.chen l.chen l.chen l.chen m.J.chen m.l.chen q.h.chen s.h.chen s.Z.chen T.l.chen x.l.chen y.chen N.cheng y.d.cheng s.w.Cui x.h.Cui y.d.Cui B.Z.d.i h.l.d.i Z.G.d.i d.nzengl.obu d.d.l.a Vol.24} B.d.torre p.azzol. x.J.d.ng J.h.fan y.Z.fan Z.x.fan J.fang J.fang C.f.feng l.feng s.h.feng y.l.feng B.Gao C.d.Gao q.Gao w.Gao m.m.Ge l.s.Geng G.h.Gong q.B.Gou m.h.Gu J.G.Guo x.l.Guo y.q.Guo y.y.Guo y.A.h.n h.h.h. h.N.h. J.C.h. s.l.h. x.B.h. y.h. m.h.l.er y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.J.h. d.h.h.ang q.l.h.ang w.h.h.ang x.T.h.ang Z.C.h.ang f.Ji x.l.Ji h.y.Jia K.Jiang Z.J.Jiang C.Jin d.Kul.sh.v K.l.voch.in B.B.l. C.l. C.l. f.l. h.B.l. h.C.l. h.y.l. J.l. K.l. w.l.l. x.l. x.l. x.R.l. y.l. y.Z.l. Z.l. Z.l. E.w.l.ang y.f.l.ang s.J.l.n B.l.u C.l.u d.l.u h.l.u h.d.l.u J.l.u J.l.l.u J.l.l.u J.s.l.u J.y.l.u m.y.l.u R.y.l.u s.m.l.u w.l.u y.N.l.u Z.x.l.u w.J.l.ng R.l. h.K.l. B.q.m. l.l.m. x.h.m. J.R.m.o A.m.sood.w.m.tth.m.iri T.m.ntarul. y.C.Nan B.y..p.ng p.p.ttarakijw.nich.Z.y.p.i m.y.qi d.Ruffol. V.Rul.v A.saiz l.sh.o O.sh.h.gol.v x.d.sh.ng J.R.sh. h.C.song y..V.stenkin V.step.nov q.N.sun x.N.sun Z.B.sun p.h.T.Tam.Z.B.Tang w.w.Tian B.d.w.ng C.w.ng h.w.ng h.G.w.ng J.C.w.ng J.s.w.ng l.p.w.ng l.y.w.ng R.N.w.ng w.w.ng w.w.ng x.G.w.ng x.J.w.ng x.y.w.ng y.d.w.ng y.J.w.ng y.p.w.ng Z.w.ng Z.w.ng Z.h.w.ng Z.x.w.ng d.m.w.i J.J.w.i y.J.w.i T.w.n C.y.w. h.R.w. s.w. w.x.w. x.f.w. s.q.x. J.x.a J.J.x.a G.m.x.ang G.x.ao h.B.x.ao G.G.x.n y.l.x.n y.x.ng d.l.xu R.x.xu l.xue d.h.y.n C.w.y.ng f.f.y.ng J.y.y.ng l.l.y.ng m.J.y.ng R.Z.y.ng s.B.y.ng y.h.yao Z.G.yao y.m.y. l.q.y.n N.y.n x.h.y.u Z.y.y.u y.h.y. q.y.an h.d.Zeng T.x.Zeng w.Zeng Z.K.Zeng m.Zh. x.x.Zh.i B.B.Zh.ng h.m.Zh.ng h.y.Zh.ng J.l.Zh.ng J.w.Zh.ng l.Zh.ng l.Zh.ng l.x.Zh.ng p.f.Zh.ng p.f.Zh.ng R.Zh.ng s.R.Zh.ng s.s.Zh.ng x.Zh.ng x.p.Zh.ng y.Zh.ng y.Zh.ng y.f.Zh.ng y.l.Zh.ng B.Zh.o J.Zh.o l.Zh.o l.Z.Zh.o s.p.Zh.o f.Zh.ng y.Zh.ng B.zhou h.zhou J.N.zhou p Key.l.boratory.of p.rticl. Astrop.y.cs&Ex.3}rim.ntal.p.y.ics d.vision&Com.3}ting Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of Ch.nese Acad.m.0}of sciences Beijing 100049China TIANfU Cosm.c Ray.Research.Center ChengduSichuanChina state Key.l.boratory.of p.ricl. d.tection and.El.ctronics China University.of science and.Tech.ol.gy.of Ch.na HefeiAnhui 230026China d.p.rtm.nt of Engineering p.y.ics Tsinghua UniversityBeijing 100084China National.Astronom.cal.Observatories Chinese Academy of SciencesBeijing 100101China National.sp.ce science Center Chinese Academy of SciencesBeijing 100190China sch.ol.of p.y.ics Peking UniversityBeijing 100871China Center for Astrop.y.ics Guangzhou UniversityGuangzhouGuangdong 510006China sch.ol.of p.y.ics and.Astronom.3}sch.ol.of p.y.ics(Guangzhou) Sun Yat-sen UniversityZhuhaiGuangdong 519000China sch.ol.of p.y.ical.science and.Tech.ol.gy Guangxi UniversityNanningGuangxi 530004China h.bei Norm.l.University ShijiazhuangHebei 050024China sch.ol.of p.y.ics and.m.croel.ctronics Zhengzhou UniversityZhengzhouHenan 450001China sch.ol.of Astronom.2}and.sp.ce science Nanjing UniversityNanjingJiangsu 210023China Key.l.boratory.of d.rk m.tter and.sp.ce Astronom. Purple Mountain ObservatoryChinese Academy of SciencesNanjingJiangsu 210023China Institute of frontier and.Interd.scip.inary.science Shandong UniversityQingdaoShandong 266237China Key.l.boratory.for Research.in Gal.x.es and.Cosm.l.gy Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Tsung-d.o l.e Institute&sch.ol.of p.y.ics and.Astronom. Shanghai Jiao Tong UniversityShanghai 200240China sch.ol.of p.y.ical.science and.Tech.ol.gy Southwest Jiaotong UniversityChengduSichuan 610031China Col.ege of p.y.ics Sichuan UniversityChengduSichuan 610065China Key.l.boratory.of Cosm.c Ray.(Tibet University. Ministry of EducationLhasaTibet 850000China sch.ol.of p.y.ics and.tech.ol.gy Wuhan UniversityWuhanHubei 430072Ch

Th. l.0}AsO-w.CTA ex.3}rim.nt,w.0}ch.aim. to observe cosm.c ray. in th. sub-EeV range using th. fl.orescence tech.ique,uses a new.generation of h.gh.p.rform.nce *** ensure th.t th. ex.3}rim.nt h.s ex.cel.ent d.tection cap.bil.ty.associated.w.th.th. m.asurem.nt of th. energy.sp.ctrum.th. p.im.ry.com.2}sition of cosm.c ray.,and.so on,an accurate geom.trical.reconstruction of air-sh.w.r events is *** p.p.r d.-scribes th. d.vel.p.ent and.testing of geom.trical.reconstruction for stereo view.d.events using th. w.CTA(w.d. fiel. of view.Ch.renkov/fl.orescence Tel.scop. Array.*** ap.roach.s,w.0}ch.take ful. ad.antage ofth. w.CTA *** *** is th. stereo-angul.r m.th.d.w.0}ch.uses th. p.inting of triggered.sip.s in th. sh.w.r trajectory.and.th. oth.r is th. stereo-tim.ng m.th.d.w.0}ch.uses th. triggering tim. of th. fired.*** resul.s sh.w.th.t both.m.th.d. h.ve good.geom.trical.resol.tion:th. resol.tion of th. stereo-tim.ng m.th.d.is sl.gh.l. better th.n th. stereo-angul.r m.th.d.because th. resol.tion of th. l.tter is sl.gh.l. l.m.ted.by.th. sh.w.r track l.ngth.

关键词： cosm.c ray fl.orescence tel.scop. stereo observation geom.trical.reconstruction

Observation of th. Crab Nebul. w.th.l.0}AsO-Km.A−a p.rform.nce stud.

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Ch.nese p.y.ics C 2021年第2期45卷 518-530页

作者： f.Ah.ronian q.An Ax.kegu l.x.Bai y.x.Bai y.w.Bao d.Bastieri x.J.Bi y.J.Bi h.Cai J.T.Cai Z.Cao J.Ch.ng J.f.Ch.ng x.C.Ch.ng B.m.chen J.chen l.chen m.J.chen m.l.chen q.h.chen s.h.chen s.Z.chen T.l.chen x.l.chen y.chen N.cheng y.d.cheng s.w.Cui x.h.Cui y.d.Cui B.Z.d.i h.l.d.i Z.G.d.i d.d.l.a Vol.22} B.d.Ettorre p.azzol. x.J.d.ng J.h.fan y.Z.fan Z.x.fan J.fang K.fang C.f.feng l.feng s.h.feng y.l.feng B.Gao C.d.Gao q.Gao w.Gao m.m.Ge l.s.Geng G.h.Gong q.B.Gou m.h.Gu J.G.Guo x.l.Guo y.q.Guo y.y.Guo y.A.h.n h.h.h. h.N.h. J.C.h. s.l.h. x.B.h. y.h. m.h.l.er y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.J.h. d.h.h.ang q.l.h.ang w.h.h.ang x.T.h.ang Z.C.h.ang f.Ji x.l.Ji h.y.Jia K.Jiang Z.J.Jiang C.Jin d.Kul.sh.v K.l.voch.in B.B.l. C.l. f.l. h.B.l. h.C.l. h.y.l. J.l. K.l. w.l.l. x.l. x.R.l. y.l. y.Z.l. Z.l. E.w.l.ang y.f.l.ang s.J.l.n B.l.u C.l.u d.l.u h.l.u h.d.l.u J.l.u J.l.l.u J.s.l.u J.y.l.u m.y.l.u R.y.l.u s.m.l.u w.l.u y.N.l.u Z.x.l.u w.J.l.ng R.l. h.K.l. B.q.m. l.l.m. x.h.m. J.R.m.o A.m.sood.w.m.tth.m.iri T.m.ntarul. y.C.Nan B.y.p.ng p.p.ttarakijw.nich.Z.y.p.i m.y.qi d.Ruffol. V.Rul.v A.sáiz l.sh.o O.sh.h.gol.v x.d.sh.ng J.R.sh. h.C.song y..V.stenkin V.step.nov q.N.sun x.N.sun Z.B.sun p.h.T.Tam.Z.B.Tang w.w.Tian B.d.w.ng C.w.ng h.w.ng h.G.w.ng J.C.w.ng J.s.w.ng l.p.w.ng l.y.w.ng R.N.w.ng w.w.ng x.G.w.ng x.J.w.ng x.y.w.ng y.d.w.ng y.J.w.ng y.p.w.ng Z.w.ng Z.h.w.ng Z.x.w.ng d.m.w.i J.J.w.i y.J.w.i T.w.n C.y.w. h.R.w. s.w. w.x.w. x.f.w. s.q.x. J.x.a J.J.x.a G.m.x.ang G.x.ao h.B.x.ao G.G.x.n y.l.x.n y.x.ng d.l.xu R.x.xu l.xue d.h.y.n C.w.y.ng f.f.y.ng J.y.y.ng l.l.y.ng m.J.y.ng R.Z.y.ng s.B.y.ng y.h.yao Z.G.yao y.m.y. l.q.y.n N.y.n x.h.y.u Z.y.y.u y.h.y. q.y.an h.d.Zeng T.x.Zeng w.Zeng Z.K.Zeng m.Zh. x.x.Zh.i B.B.Zh.ng h.m.Zh.ng h.y.Zh.ng J.l.Zh.ng J.w.Zh.ng l.Zh.ng l.x.Zh.ng p.f.Zh.ng p.p.Zh.ng R.Zh.ng s.R.Zh.ng s.s.Zh.ng x.Zh.ng x.p.Zh.ng y.Zh.ng y.f.Zh.ng y.l.Zh.ng B.Zh.o J.Zh.o l.Zh.o l.Z.Zh.o s.p.Zh.o f.Zh.ng y.Zh.ng B.zhou h.zhou J.N.zhou p.zhou R.zhou x.x.zhou C.G.Zh. f.R.Zh. h.Zh. K.J.Zh. x.Zuo Key.l.boratory.of p.rticl. Astrop.y.cs&Ex.3}rim.ntal.p.y.ics d.vision&Com.3}ting Center Institute of High Energy PhysicsChinese Academy of Sciences100049 BeijingChina University.of Ch.nese Acad.m.0}of sciences 100049 BeijingChina TIANfU Cosm.c Ray.Research.Center ChengduSichuanChina state Key.l.boratory.of p.rticl. d.tection and.El.ctronics China University.of science and.Tech.ol.gy.of Ch.na 230026 HefeiAnhuiChina d.p.rtm.nt of Engineering p.y.ics Tsinghua University100084 BeijingChina National.Astronom.cal.Observatories Chinese Academy of Sciences100101 BeijingChina National.sp.ce science Center Chinese Academy of Sciences100190 BeijingChina sch.ol.of p.y.ics Peking University100871 BeijingChina Center for Astrop.y.ics Guangzhou University510006 GuangzhouGuangdongChina sch.ol.of p.y.ics and.Astronom.3}sch.ol.of p.y.ics(Guangzhou) Sun Yat-sen University519000 ZhuhaiGuangdongChina sch.ol.of p.y.ical.science and.Tech.ol.gy Guangxi University530004 NanningGuangxiChina h.bei Norm.l.University 050024 ShijiazhuangHebeiChina sch.ol.of p.y.ics and.m.croel.ctronics Zhengzhou University450001 ZhengzhouHenanChina sch.ol.of Astronom.2}and.sp.ce science Nanjing University210023 NanjingJiangsuChina Key.l.boratory.of d.rk m.tter and.sp.ce Astronom. Purple Mountain ObservatoryChinese Academy of Sciences210023 NanjingJiangsuChina Institute of frontier and.Interd.scip.inary.science Shandong University266237 QingdaoShandongChina Key.l.boratory.for Research.in Gal.x.es and.Cosm.l.gy Shanghai Astronomical ObservatoryChinese Academy of Sciences200030 ShanghaiChina Tsung-d.o l.e Institute&sch.ol.of p.y.ics and.Astronom. Shanghai Jiao Tong University200240 ShanghaiChina sch.ol.of p.y.ical.science and.Tech.ol.gy.sch.ol.of Inform.tion science and.Tech.ol.gy Southwest Jiaotong University610031 ChengduSichuanChina Col.ege of p.y.ics Sichuan University610065 ChengduSichuanChina Key.l.boratory.of Cosm.c Ray.(Tibet University. Ministry of Education850000 LhasaTibetChina sch.ol.of p.y.ics and.Tec

A sub-array.of th. l.rge h.gh.Al.itud. Air sh.w.r Observatory.l.0}AsO),Km.A is m.inl. d.signed.to observe a l.rge fraction of th. north.rn sky.to h.nt for γ-ray.sources at energies above 10 *** th.ugh.th. d.tector construction is stil. und.rw.y.h.l. of th. Km.A array.h.s been op.rating stabl. since th. end.of *** th.s p.p.r,w. p.esent th. Km.A d.ta anal.sis p.p.l.ne and.th. first observation of th. Crab Nebul.,a stand.rd.cand.2} in very.h.gh.energy.γ-ray.*** d.tect γ-ray.signal. from.th. Crab Nebul. in both.energy.ranges of 10-100 TeV and.100 TeV w.th.h.gh.significance,by.anal.zing th. Km.A d.ta of 136 l.ve d.y. betw.en d.cem.er 2019 and.m.y.*** th. observations,w. test th. d.tector p.rform.nce,incl.d.ng angul.r resol.tion,p.inting accuracy.and.cosm.c-ray.background.rejection *** energy.sp.ctrum.of th. Crab Nebul. in th. energy.range 10-250 TeV fits w.l. w.th.a singl. p.w.r-l.w.function d./d.=(1.13±0.05stat±0.08sy.)×10^(-14).(E/20 TeV)-309±0.06stat±0.02sy.cm.(-2) s^(-1) TeV^(-1).It is consistent w.th.p.evious m.asurem.nts by.oth.r *** op.ns a new.w.nd.w.of γ-ray.astronom.0}above 0.1 p.V th.ough.w.1}ch.new.ul.rah.gh.energy.γ-ray.p.enom.na,such.as cosm.c p.Vatrons,m.gh. be d.scovered.

关键词： γ-ray Crab Nebul. ex.ensive air sh.w.rs cosm.c ray.