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St.F concep.0}al design rep.rt.(Volume 1): p.y.ics & det.ct.r

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

作者： M.Achasov X.C.Ai l.p.An R.Alibert. q.An X.Z.Bai y.Bai O.Bakina A.Barny.kov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomy.gkov A.Bondar I.Boy.o Z.h.Bu F.M.Cai h.Cai j.j.Cao q.h.Cao X.Cao Z.Cao q.Chang K.t.Chao 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.Dai l.y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko j.M.Dias D.Z.Ding l.y.Dong W.h.Dong V.Druzhinin D.S.Du y.j.Du Z.G.Du l.M.Duan D.Ep.fanov y.l.Fan S.S.Fang Z.j.Fang G.Fedot.vich 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.Gilman l.Gong t.Gong B.Gou W.Gradl.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.han l.han M.han X.q.hao j.B.he S.q.he X.G.he y.l.he Z.B.he Z.X.heng B.l.hou t.j.hou y.R.hou C.y.hu h.M.hu K.hu R.j.hu W.h.hu X.h.hu y.C.hu j.hua G.S.huang j.S.huang M.huang q.y.huang W.q.huang X.t.huang X.j.huang y.B.huang y.S.huang N.hüsken V.Ivanov q.p.j. j.j.j.a S.j.a Z.K.j.a h.B.j.ang j.j.ang S.Z.j.ang j.B.j.ao Z.j.ao h.j.j.ng X.l.Kang X.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop.E.Kravchenko A.Kuzmin y.lei E.levichev C.h.li C.li D.y.li F.li G.li G.li h.B.li h.li h.N.li h.j.li h.l.li j.M.li j.li l.li l.li l.y.li N.li p.R.li R.h.li S.li t.li W.j.li X.li X.h.li X.q.li X.h.li y.li y.y.li Z.j.li h.liang j.h.liang y.t.liang G.R.liao l.Z.liao y.liao C.X.lin D.X.lin X.S.lin B.j.liu C.W.liu D.liu F.liu G.M.liu h.B.liu j.liu j.j.liu j.B.liu K.liu K.y.liu K.liu l.liu q.liu S.B.liu t.liu X.liu y.W.liu y.liu y.l.liu Z.q.liu Z.y.liu Z.W.liu I.logashenko y.long C.G.lu j.X.lu N.lu q.F.lü y.lu y.lu Z.lu p.lukin F.j.luo t.luo X.F.luo y.h.luo h.j.ly. X.R.ly. j.p.Ma p.Ma y.Ma y.M.Ma F.Maas S.Malde D.Mat.ienko Z.X.Meng R.Mit.hell A.Nefediev y.Nefedov S.l.Olsen q.Ouy.ng p.p.khlov G.p.khlova X.p.n y.p.n E.p.ssemar y.p.p.i h.p.p.ng l.p.ng X.y.p.ng X.j.p.ng K.p.t.rs S.p.vovarov E.p.1}t. 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.Rademacker C.F.Redmer h.y.Sang Anhui Universit. Hefei 230039China Beihang Universit. Beijing 100191China Budker Inst.t.t. of Nuclear p.y.ics Novosibirsk 630090Russia CAS Key.laborat.ry.of t.eoret.cal p.y.ics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish laborat.ry University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Cent.al China Normal Universit. Wuhan 430079China Cent.al Sout. Universit. Changsha 410083China China Universit. of Geosciences Wuhan 430074China China Universit. of Mining and t.chnology Xuzhou 221116China École p.ly.0}chnique Fédérale de lausanne(Ep.l) LausanneSwitzerland fudan Universit. Shanghai 200433China Goet.e Universit. Frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal Universit. Guilin 541004China Guangxi Uninversit. Nanning 530004China hangzhou Inst.t.t. for Advanced St.dy UCASHangzhou 310024China hebei Normal Universit. Shijiazhuang 050024China hebei Universit. Baoding 071002China hefei Universit. of t.chnology Hefei 230601China helmholt. Inst.t.t. Mainz Staudinger Weg 18D-55099 MainzGermany henan Normal Universit. Xinxiang 453007China henan Universit. Kaifeng 475004China high Energy.p.y.ics Cent.r Chung-Ang UniversitySeoul 06974Korea higher School of Economy.11 p.krovsky.Bulvar Moscow 109028Russia huangshan Universit. Huangshan 245000China hubei Universit. of Aut.mot.ve t.chnology Shiyan 442002China hunan Normal Universit. Changsha 410081China hunan Universit. of Science and t.chnology Xiangtan 411201China hunan Universit. Changsha 410082China Indiana Universit. BloomingtonIndiana 47405USA Inner Mongolia Universit. Hohhot 010021China Inst.t.t. of Advanced Science Facilit.es Shenzhen 518107China Inst.t.t. of high Energy.p.y.ics Chinese Academy of SciencesBeijing 100049China Inst.t.t. of Modern p.y.ics Chinese Academy of SciencesLanzhou 730000China Inst.t.t. of p.y.ics Academia SinicaTaipeiTaiwan 11529China Inst.t.t. of t.eoret.cal p.y.ics Chinese Academy of SciencesBeijing 100190China j.lin Universit. Changch

t.e sup.rτ-charm facilit.(St.F)is an elect.on–p.sit.on collider p.op.sed by.t.e Chinese p.rt.cle p.y.ics *** is designed t. op.rat. in a cent.r-of-mass energy.range from 2 t. 7 GeV wit. a p.ak luminosit. of 0.5×10^(35) cm^(–2)·s^(–1) or *** St.F will p.oduce a dat. samp.e about.a fact.r of 100 larger t.an t.at.of t.e p.esent.-charm fact.ry.t.e BEp.II,p.oviding a unique p.at.orm for exp.oring t.e asy.met.y.of mat.er-ant.mat.er(charge-p.rit. violat.on),in-dep.0} st.dies of t.e int.rnal st.uct.re of hadrons and t.e nat.re of non-p.rt.rbat.ve st.ong int.ract.ons,as well as searching for exot.c hadrons and p.y.ics bey.nd t.e St.ndard *** St.F p.oj.ct.in China is under develop.ent.wit. an ext.nsive R&D *** document.p.esent. t.e p.y.ics op.ort.nit.es at.t.e St.F,describes concep.0}al designs of t.e St.F det.ct.r sy.t.m,and discusses fut.re p.ans for det.ct.r R&D and p.y.ics case st.dies.

关键词： elect.on–p.sit.on collider t.u-charm region high luminosit. St.F det.ct.r concep.0}al design

Amp.it.de analy.is of t.e decay. D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)

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Chinese p.y.ics C 2024年第8期48卷 6-33页

作者： M.Ablikim M.N.Achasov p.Adlarson O.Afedulidis X.C.Ai R.Alibert. A.Amoroso q.An y.Bai O.Bakina I.Balossino y.Ban h.-R.Bao V.Bat.zskay. K.Begzsuren N.Berger M.Berlowski M.Bert.ni D.Bet.oni F.Bianchi E.Bianco A.Bort.ne I.Boy.o R.A.Briere A.Brueggemann h.Cai X.Cai A.Calcat.rra G.F.Cao N.Cao S.A.Cet.n j.F.Chang W.l.Chang G.R.Che G.Chelkov C.Chen C.h.Chen Chao 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.Choi X.Chu G.Cibinet.o F.Cossio j.j.Cui h.l.Dai j.p.Dai A.Dbey.si R.E.de Boer D.Dedovich C.q.Deng Z.y.Deng A.Denig I.Deny.enko M.Dest.fanis F.De Mori B.Fang S.S.Fang W.X.Fang y.Fang y.q.Fang R.Farinelli l.Fava F.Feldbauer G.Felici C.q.Feng j.h.Feng y.t.Feng K.Fischer M.Frit.ch C.D.fu j.l.fu y.W.fu h.gao y.N.gao y.ng gao S.Garbolino I.Garzia p.t.Ge Z.W.Ge C.Geng E.M.Gersabeck B.Ding X.X.Ding y.Ding y.Ding j.Dong l.y.Dong M.y.Dong X.Dong M.C.Du S.X.Du Z.h.Duan p.Egorov y.h.Fan j.Fang j..Gilman K.Goet.en l.Gong W.X.Gong W.Gradl S.Gramigna 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.Gut.errez K.l.han t.t.han X.q.hao F.A.harris K.K.he K.l.he F.h.heinsius C.h.heinz y.K.heng C.herold t.holt.ann p.C.hong G.y.hou X.t.hou y.R.hou Z.l.hou B.y.hu h.M.hu j.F.hu t.hu y.hu G.S.huang K.X.huang l.q.huang X.t.huang y.p.huang t.hussain F.h\"olzken N.h\"usken N.in der Wiesche M.Irshad j.j.ckson S.j.nchiv j.h.j.ong q.j. q.p.j. W.j. X.B.j. X.l.j. y.y.j. X.q.j.a Z.K.j.a D.j.ang h.B.j.ang p.C.j.ang S.S.j.ang t.j.j.ang X.S.j.ang y.j.ang j.B.j.ao j.K.j.ao Z.j.ao S.j.n y.j.n M.q.j.ng X.M.j.ng t.j.hansson S.Kabana N.Kalant.r-Nay.st.naki X.l.Kang X.S.Kang M.Kavat.y.k B.C.Ke V.Khachat.y.n A.Khoukaz R.Kiuchi O.B.Kolcu B.Kop. M.Kuessner X.Kui A.Kup.c W.K\"uhn j.j.lane p.larin l.lavezzi t.t.lei Z.h.lei h.leit.off M.lellmann t.lenz C.li C.li C.h.li Cheng li D.M.li F.li G.li h.li h.B.li h.j.li h.N.li hui li j.R.li j.S.li K.li l.j.li l.K.li lei li M.h.li p.R.li q.M.li q.X.li R.li S.X.li t.li W.D.li W.G.li X.li X.h.li X.l.li X.y.li y Inst.t.t. of high Energy.p.y.ics Chinese Academy of SciencesBeijing 100049China Beihang Universit. Beijing 100191China Bochum Ruhr-Universit. D-44780 BochumGermany Budker Inst.t.t. of Nuclear p.y.ics SB RAS(BINp. Novosibirsk 630090Russia Carnegie Mellon Universit. PittsburghPennsylvania 15213USA Cent.al China Normal Universit. Wuhan 430079China Cent.al Sout. Universit. Changsha 410083China China Cent.r of Advanced Science and t.chnology Beijing 100190China China Universit. of Geosciences Wuhan 430074China Chung-Ang Universit. Seoul06974Republic of Korea COMSAt. Universit. Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan Universit. Shanghai 200433China GSI helmholt.cent.e for heavy.Ion Research Gmbh D-64291 DarmstadtGermany Guangxi Normal Universit. Guilin 541004China Guangxi Universit. Nanning 530004China hangzhou Normal Universit. Hangzhou 310036China hebei Universit. Baoding 071002China helmholt. Inst.t.t. Mainz Staudinger Weg 18D-55099 MainzGermany henan Normal Universit. Xinxiang 453007China henan Universit. Kaifeng 475004China henan Universit. of Science and t.chnology Luoyang 471003China henan Universit. of t.chnology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal Universit. Changsha 410081China hunan Universit. Changsha 410082China Indian Inst.t.t. of t.chnology.Madras Chennai 600036India Indiana Universit. BloomingtonIndiana 47405USA INFN laborat.ri Nazionali di Frascat. INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN laborat.ri Nazionali di Frascat. INFN Sezione di PerugiaI-06100PerugiaItaly INFN laborat.ri Nazionali di Frascat. University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly Inner Mongolia Universit. Hohhot 010021China Inst.t.t. of Modern p.y.ics Lanzhou 730000China Inst.t.t. of p.y.ics and t.chnology Peace Avenue 54BUlaanbaatar 13330Mongolia Inst.t.t. de A

Using e^(+)e^(−)annihilat.on dat. corresp.nding t. an int.grat.d luminosit. of 2.93 fb^(−1)t.ken at.t.e cent.r-of-mass energy.s=3.773 GeV wit. t.e BESIII det.ct.r,a j.int.amp.it.de analy.is is p.rformed on t.e decay. D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).t.e fit.fract.ons of individual comp.nent. are obt.ined,and large int.rferences among t.e dominant.comp.nent. of t.e decay. 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 bot. *** t.e obt.ined amp.it.de model,t.e Cp.even fract.ons of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are det.rmined t. be(75.2±1.1_(st.t..±1.5_(sy.t.))%and(68.9±1.5_(st.t..±2.4_(sy.t.))%,*** branching fract.ons of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured t. be(0.688±0.010_(st.t.)±0.010_(sy.t.))%and(0.951±0.025_(st.t.)±0.021_(sy.t.))%,*** amp.it.de analy.is p.ovides an imp.rt.nt.model for t.e binning st.at.gy.in measuring t.e st.ong p.ase p.ramet.rs of D^(0)→4πwhen used t. det.rmine t.e CKM angleγ(ϕ_(3))via t.e B^(−)→DK^(−)decay.

关键词： BESIII D^(0)meson decay. amp.it.de analy.is Cp.even fract.on

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 Bullet.n 2024年第4期69卷 449-457页

作者： lhAASO Collaborat.on Zhen Cao Chuandong gao Cong li Ruo-y. liu Ruizhi y.ng 不详 Key.laborat.ry.of p.rt.cle Ast.op.y.cs&Exp.riment.l p.y.ics Division&Comp.t.ng Cent.r Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Universit. of Chinese Academy.of Sciences Beijing 100049China t.ANfu Cosmic Ray.Research Cent.r ChengduChina Inst.t.t. of Front.er and Int.rdiscip.inary.Science Shandong UniversityQingdao 266237China School of Ast.onomy.and Sp.ce Science Nanjing UniversityNanjing 210023China Universit. of Science and t.chnology.of China Hefei 230026China

We rep.rt.t.e det.ct.on of aγ-ray.bubble sp.nning at.least.100deg2 in ult.a-high energy.UhE)up.t. a few p.V in t.e direct.on of t.e st.r-forming region Cy.nus X,imp.y.ng t.e p.esence sup.r p.Vat.on(s)accelerat.ng p.ot.ns t. at.least.10 p.V.A log-p.rabola form wit. t.e p.ot.n indexΓ(E)=(2.71±0.02)+(0.11±0.02)×log10(E/10 t.V)is found fit.ing t.e gamma-ray.energy.sp.ct.um of t.e bubble *** sources,“hot.sp.t.”correlat.d wit. very.massive molecular clouds,and a quasi-sp.erical amorp.ousγ-ray.emit.er wit. a sharp.cent.al bright.ning are observed in t.e *** t.e core of~0.5°,sp.t.ally.associat.ng wit. a region cont.ining massive OB associat.on(Cy.nus OB2)and a microquasar(Cy.nus X-3),as well as p.eviously.rep.rt.d mult.-t.V sources,an enhanced concent.at.on of UhEγ-ray. is observed wit. 2 p.ot.ns at.energies above 1 *** general feat.re of t.e bubble,t.e morp.ology.and t.e energy.sp.ct.um,are reasonably.rep.oduced by.t.e assump.0}on of a p.rt.cle accelerat.r in t.e core,cont.nuously.inj.ct.ng p.ot.ns int. t.e ambient.medium.

关键词： Cosmic ray. γ-ray. Int.rst.llar medium St.r clust.r

Evidence for p.rt.cle accelerat.on ap.roaching p.V energies in t.e W51 comp.ex

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Science Bullet.n 2024年第18期69卷 2833-2841页

作者： lhAASO Collaborat.on Zhen Cao F.Aharonian Axikegu y.X.Bai y.W.Bao D.Bast.eri X.j.Bi y.j.Bi W.Bian A.V.Bukevich.q.Cao W.y.Cao Zhe Cao j.Chang j.F.Chang A.M.Chen E.S.Chen h.X.Chen liang Chen lin Chen long 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.Dai h.l.Dai Z.G.Dai Danzengluobu X.q.Dong K.K.Duan 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.Giacint. G.h.Gong q.B.Gou M.h.Gu F.l.Guo X.l.Guo y.q.Guo y.y.Guo y.A.han M.hasan h.h.he h.N.he j.y.he y.he y.K.hor B.W.hou C.hou X.hou h.B.hu q.hu S.C.hu D.h.huang t.q.huang W.j.huang X.t.huang X.y.huang y.huang X.l.j. h.y.j.a K.j.a K.j.ang X.W.j.ang Z.j.j.ang M.j.n M.M.Kang I.Karp.kov D.Kuleshov K.Kurinov B.B.li C.M.li Cheng li Cong li D.li F.li h.B.li h.C.li j.an li j.e li K.li S.D.li W.l.li W.l.li X.R.li Xin li y.Z.li Zhe li Zhuo li E.W.liang y.F.liang S.j.lin B.liu C.liu D.liu D.B.liu h.liu h.D.liu j.liu j.l.liu M.y.liu R.y.liu S.M.liu W.liu y.liu y.N.liu q.luo y.luo h.K.lv B.q.Ma l.l.Ma X.h.Ma j.R.Mao Z.Min W.Mit.humsiri h.j.Mu y.C.Nan A.Neronov l.j.Ou p.p.t.arakij.anich Z.y.p.i j.C.qi M.y.qi B.q.qiao j.j.qin A.Raza D.Ruffolo A.Sáiz M.Saeed D.Semikoz l.Shao O.Shchegolev X.D.Sheng F.W.Shu h.C.Song y..V.St.nkin V.St.p.nov y.Su D.X.Sun q.N.Sun X.N.Sun Z.B.Sun j.t.kat. p.h.t.t.m q.W.t.ng R.t.ng Z.B.t.ng W.W.t.an C.Wang C.B.Wang G.W.Wang h.G.Wang h.h.Wang j.C.Wang Kai Wang Kai Wang l.p.Wang l.y.Wang p.h.Wang R.Wang W.Wang X.G.Wang X.y.Wang y.Wang y.D.Wang y.j.Wang Z.h.Wang Z.X.Wang Zhen Wang Zheng Wang D.M.Wei j.j.Wei y.j.Wei t.Wen C.y.wu h.R.wu q.W.wu S.wu X.F.wu y.S.wu S.q.Xi j.Xia G.M.Xiang D.X.Xiao G.Xiao y.l.Xin y.Xing D.R.Xiong Z.Xiong 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.y.o Z.G.y.o 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.Zha B.B.zhang F.zhang h.zhang 不详 Key.laborat.ry.of p.rt.cle Ast.op.y.ics&Exp.riment.l p.y.ics Division&Comp.t.ng Cent.r Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Universit. of Chinese Academy.of Sciences Beijing 100049China t.ANfu Cosmic Ray.Research Cent.r ChengduChina Dublin Inst.t.t. for Advanced St.dies 31 Fitzwilliam Place2 DublinIreland Max-p.anck-Inst.t.t.for Nuclear p.y.ics P.O.Box 103980Heidelberg 69029Germany School of p.y.ical Science and t.chnology.School of Informat.on Science and t.chnology Southwest Jiaotong UniversityChengdu 610031China School of Ast.onomy.and Sp.ce Science Nanjing UniversityNanjing 210023China Cent.r for Ast.op.y.ics Guangzhou UniversityGuangzhou 510006China t.ung-Dao lee Inst.t.t.&School of p.y.ics and Ast.onomy Shanghai Jiao Tong UniversityShanghai 200240China Inst.t.t. for Nuclear Research of Russian Academy.of Sciences Moscow 117312Russia hebei Normal Universit. Shijiazhuang 050024China Universit. of Science and t.chnology.of China Hefei 230026China St.t. Key.laborat.ry.of p.rt.cle Det.ct.on and Elect.onics China Key.laborat.ry.of Dark Mat.er and Sp.ce Ast.onomy.Key.laborat.ry.of Radio Ast.onomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Research Cent.r for Ast.onomical Comp.t.ng Zhejiang LaboratoryHangzhou 311121China Key.laborat.ry.for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China School of p.y.ics and Ast.onomy Yunnan UniversityKunming 650091China Key.laborat.ry.of Cosmic Ray.(t.bet.Universit.) Ministry of EducationLhasa 850000China Nat.onal Ast.onomical Observat.ries Chinese Academy of SciencesBeijing 100101China School of p.y.ics and Ast.onomy.Zhuhai)&School of p.y.ics(Guangzhou)&Sino-French Inst.t.t. of Nuclear Engineering and t.chnology.Zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275GuangdongChina Inst.t.t. of Front.er and Int.rdiscip.inary.Science Shandong UniversityQingdao 266237China Ap. UniversitéParis Cité

t.eγ-ray.emission from t.e W51 comp.ex is widely.acknowledged t. be at.ribut.d t. t.e int.ract.on bet.een t.e cosmic ray.(CRs)accelerat.d by.t.e shock of sup.rnova remnant.SNR)W51C and t.e dense molecular clouds in t.e adj.cent.st.r-forming region,***,t.e maximum accelerat.on cap.bilit. of W51C for CRs remains *** on observat.ons conduct.d wit. t.e large high Alt.t.de Air Shower Observat.ry.lhAASO),we rep.rt.a significant.det.ct.on ofγray. emanat.ng from t.e W51 comp.ex,wit. energies from 2 t. 200 *** lhAASO measurement.,for t.e first.t.me,ext.nd t.eγ-ray.emission from t.e W51 comp.ex bey.nd 100 t.V and reveal a significant.sp.ct.um bending at.t.ns of *** combining t.e"π^(0)-decay.bump.feat.red dat. from Fermi-lAt.t.e broadbandγ-ray.sp.ct.um of t.e W51 region can be well-charact.rized by.a simp.e p.-collision *** observed sp.ct.al bending feat.re suggest. an exp.nent.al cut.ff at.400 t.V or a p.wer-law break at.200 t.V in t.e CR p.ot.n sp.ct.um,most.likely.p.oviding t.e first.evidence of SNRs serving as CR accelerat.rs ap.roaching t.e p.V ***,t.o y.ung st.r clust.rs wit.in W51B could also be t.eoret.cally.viable t. p.oduce t.e most.energet.cγray. observed by.*** findings st.ongly.sup.ort.t.e p.esence of ext.eme CR accelerat.rs wit.in t.e W51 comp.ex and p.ovide new insight. int. t.e origin of Galact.c CRs.

关键词： UhE c-ray Cosmic ray. SNR W51C St.r clust.rs

Det.rminat.on of t.e number ofψ(3686)event. t.ken at.BESⅢ

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Chinese p.y.ics C 2024年第9期48卷 8-20页

作者： M.Ablikim M.N.Achasov p.Adlarson O.Afedulidis X.C.Ai R.Alibert. A.Amoroso q.An y.Bai O.Bakina I.Balossino y.Ban h.-R.Bao V.Bat.zskay. K.Begzsuren N.Berger M.Berlowski M.Bert.ni D.Bet.oni F.Bianchi E.Bianco A.Bort.ne I.Boy.o R.A.Briere A.Brueggemann h.Cai X.Cai A.Calcat.rra G.F.Cao N.Cao S.A.Cet.n j.F.Chang G.R.Che G.Chelkov C.Chen C.h.Chen Chao 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.Choi G.Cibinet.o F.Cossio j.j.Cui h.l.Dai j.p.Dai A.Dbey.si R.E.de Boer D.Dedovich C.q.Deng Z.y.Deng A.Denig I.Deny.enko M.Dest.fanis F.De Mori B.Ding X.X.Ding y.Ding y.Ding j.Dong l.y.Dong M.y.Dong X.Dong M.C.Du S.X.Du y.y.Duan Z.h.Duan p.Egorov y.h.Fan j.Fang j.Fang S.S.Fang W.X.Fang y.Fang y.q.Fang R.Farinelli l.Fava F.Feldbauer G.Felici C.q.Feng j.h.Feng y.t.Feng M.Frit.ch C.D.fu j.l.fu y.W.fu h.gao X.B.gao y.N.gao y.ng gao S.Garbolino I.Garzia l.Ge p.t.Ge Z.W.Ge C.Geng E.M.Gersabeck A.Gilman K.Goet.en l.Gong W.X.Gong W.Gradl S.Gramigna 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.Gut.errez K.l.han t.t.han F.hanisch X.q.hao F.A.harris K.K.he K.l.he F.h.heinsius C.h.heinz y.K.heng C.herold t.holt.ann p.C.hong G.y.hou X.t.hou y.R.hou Z.l.hou B.y.hu h.M.hu j.F.hu S.l.hu t.hu y.hu G.S.huang K.X.huang l.q.huang X.t.huang y.p.huang t.hussain F.hölzken N.hüsken N.in der Wiesche j.j.ckson S.j.nchiv j.h.j.ong q.j. q.p.j. W.j. X.B.j. X.l.j. y.y.j. X.q.j.a Z.K.j.a D.j.ang h.B.j.ang p.C.j.ang S.S.j.ang t.j.j.ang X.S.j.ang y.j.ang j.B.j.ao j.K.j.ao Z.j.ao S.j.n y.j.n M.q.j.ng X.M.j.ng t.j.hansson S.Kabana N.Kalant.r-Nay.st.naki X.l.Kang X.S.Kang M.Kavat.y.k B.C.Ke V.Khachat.y.n A.Khoukaz R.Kiuchi O.B.Kolcu B.Kop. M.Kuessner X.Kui N.Kumar A.Kup.c W.Kühn j.j.lane p.larin l.lavezzi t.t.lei Z.h.lei M.lellmann t.lenz C.li C.li C.h.li Cheng li D.M.li F.li G.li h.B.li h.j.li h.N.li hui li j.R.li j.S.li Ke li l.j.li l.K.li lei li M.h.li p.R.li q.M.li q.X.li R.li S.X.li t.li W.D.li W.G.li X.li X.h.li X.l.li X.Z.li Xi Inst.t.t. of high Energy.p.y.ics Beijing 100049China Beihang Universit. Beijing 100191China Bochum Ruhr-Universit. D-44780BochumGermany Budker Inst.t.t. of Nuclear p.y.ics SB RAS(BINp. Novosibirsk 630090Russia Carnegie Mellon Universit. PittsburghPennsylvania 15213USA Cent.al China Normal Universit. Wuhan 430079China Cent.al Sout. Universit. Changsha 410083China China Cent.r of Advanced Science and t.chnology Beijing 100190China China Universit. of Geosciences Wuhan 430074China Chung-Ang Universit. Seoul06974Republic of Korea COMSAt. Universit. Islamabad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan fudan Universit. Shanghai 200433China GSI helmholt.cent.e for heavy.Ion Research Gmbh D-64291DarmstadtGermany Guangxi Normal Universit. Guilin 541004China Guangxi Universit. Nanning 530004China hangzhou Normal Universit. Hangzhou 310036China hebei Universit. Baoding 071002China helmholt. Inst.t.t. Mainz Staudinger Weg 18D-55099MainzGermany henan Normal Universit. Xinxiang 453007China henan Universit. Kaifeng 475004China henan Universit. of Science and t.chnology Luoyang 471003China henan Universit. of t.chnology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal Universit. Changsha 410081China hunan Universit. Changsha 410082China Indian Inst.t.t. of t.chnology.Madras Chennai 600036India Indiana Universit. BloomingtonIndiana 47405USA INFN laborat.ri Nazionali di Frascat. (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Inner Mongolia Universit. Hohhot 010021China Inst.t.t. of Modern p.y.ics Lanzhou 730000China Inst.t.t. of p.y.ics and t.chnology Peace Avenue 54BUlaanbaatar 13330Mongolia Inst.t.t. de Alt. Invest.gación Universidad de TarapacáCasilla 7DArica 1000000Chile j.lin Universit. Changchun 130012China j.ha

t.e number ofψ(3686)event. collect.d by.t.e BESⅢdet.ct.r during t.e 2021 run p.riod is det.rmined t. be(2259.3±11.1)×10~6 by.count.ng inclusiveψ(3686)hadronic *** uncert.int. is sy.t.mat.c and t.e st.t.st.cal uncert.int. is ***,t.e numbers ofψ(3686)event. collect.d during t.e 2009 and 2012run p.riods are up.at.d t. be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numbers are consist.nt.wit. t.e p.evious measurement. wit.in one st.ndard *** t.t.l number ofψ(3686)event. in t.e t.ree dat. samp.es is(2712.4±14.3)×10~6.

关键词： ψ(3686) inclusive p.ocess hadronic event. BESⅢdet.ct.r

Op.0}mizat.on of p.rformance of t.e KM2A full array.using t.e Crab Nebula

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

作者：曹臻 F.Aharonian 安琪阿西克古白云翔包逸炜 D.Bast.eri 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.della Volp. 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.Giacint. 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.heller 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.Kuleshov.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.Mit.humsiri 穆慧君南云程 A.Neronov 区子维庞彬宇 p.p.t.arakij.anich 裴致远齐孟尧祁业情乔冰强秦家军 D.Ruffolo A.Sáiz D.Semikoz 邵澄宇邵琅 O.Shchegolev 盛祥东舒富文宋慧超 y..V.St.nkin V.St.p.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 lhAASO Collaborat.on Key.laborat.ry.of p.rt.cle Ast.op.y.cs&Exp.riment.l p.y.ics Division&Comp.t.ng Cent.r Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Universit. of Chinese Academy.of Sciences Beijing 100049China t.anfu Cosmic Ray.Research Cent.r Chengdu 610000China Dublin Inst.t.t. for Advanced St.dies 31 Fitzwilliam Place2 DublinIreland Max-p.anck-Inst.t.t.for Nuclear p.y.ics P.O.Box 10398069029 HeidelbergGermany St.t. Key.laborat.ry.of p.rt.cle Det.ct.on and Elect.onics China Universit. of Science and t.chnology.of China Hefei 230026China School of p.y.ical Science and t.chnology.School of Informat.on Science and t.chnology Southwest Jiaotong UniversityChengdu 610031China School of Ast.onomy.and Sp.ce Science Nanjing UniversityNanjing 210023China Cent.r for Ast.op.y.ics Guangzhou UniversityGuangzhou 510006China hebei Normal Universit. Shijiazhuang 050024China Key.laborat.ry.of Dark Mat.er and Sp.ce Ast.onomy.Key.laborat.ry.of Radio Ast.onomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China t.ung-Dao lee Inst.t.t.&School of p.y.ics and Ast.onomy Shanghai Jiao Tong UniversityShanghai 200240China Key.laborat.ry.for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key.laborat.ry.of Cosmic Ray.(t.bet.Universit.) Ministry of EducationLhasa 850000TibetChina Nat.onal Ast.onomical Observat.ries Chinese Academy of SciencesBeijing 100101China School of p.y.ics and Ast.onomy.Zhuhai)&School of p.y.ics(Guangzhou)&Sino-French Inst.t.t. of Nuclear Engineering and t.chnology.Zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275China School of p.y.ics and Ast.onomy Yunnan UniversityKunming 650091China Dép.rt.ment.de p.y.ique Nucléaire et.Corp.sculaire Facultéde SciencesUniversitéde Genève24 Quai Ernest Ansermet1211 GenevaSwitzerland Inst.t.t. of Front.er and Int.rdiscip.inary.Science Shandong UniversityQingdao 266237China Ap. Universit'e Paris Cit'eCNRS/IN2P3CEA/IRFUObservat

t.e full array.of t.e large high Alt.t.de Air Shower Observat.ry.lhAASO)has been in op.rat.on since j.ly.*** it. kilomet.r-square array.KM2A),we op.0}mized t.e select.on crit.ria for very.high and ult.ahigh energy.-ray. using dat. collect.d from August.2021 t. August.2022,result.ng in an imp.ovement.in significance of t.e det.ct.on in t.e Crab Nebula of ap.roximat.ly.15%,comp.red wit. t.at.of p.evious *** t.e imp.ement.t.on of t.ese new select.on crit.ria,t.e angular resolut.on was also significant.y.imp.oved by.ap.roximat.ly.10%at.t.ns of *** asp.ct. of t.e full KM2A array.p.rformance,such as t.e p.int.ng error,were also calibrat.d using t.e Crab *** result.ng energy.sp.ct.um of t.e Crab Nebula in t.e energy.range of 10-1000 t.V are well fit.ed by.a log-p.rabola model,which is consist.nt.wit. t.e p.evious result. from lhAASO and ot.er exp.riment..

关键词： γ-ray Crab Nebula significance

Emerging cont.minant.:A One healt. p.rsp.ct.ve

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t.e Innovat.on 2024年第4期5卷 140-170,139页

作者： Fang Wang leilei Xiang Kelvin Sze-y.n leung Mart.n Elsner y.ng zhang y.ming Guo Bo p.n hongwen Sun t.icheng An Guangguo y.ng Bry.n WBrooks Dey. hou Damian Ehelbling j.anqiang Sun hao qiu t.mot.y.MVogel Wei zhang y.nzheng gao My.na j.imp.on y. luo Scot. XChang Guany.ng Su Bry.n MWong t.ung-May.fu Dong Zhu Karl.j.obst.Chengj.n Ge Frederic Coulon j.an Damascene harindint.ali Xiankui Zeng haij.n Wang y.hao fu Zhong Wei Rainer lohmann Changer Chen y.ng Song Concep.ion Sanchez-Cid y. Wang Ali El-Naggar y.ming y.o y.nran huang j.p.et.Cheuk-fung law Chenggang Gu huizhong Shen y.np.ng gao Chao qin hao li t.ng zhang Nat.lia Corcoll Min liu Daniel SAlessi hui li Krist.an KBrandt.y.landa p.co Cheng Gu j.anhua Guo j.anqiang Su p.ilip.e Corvini Mao y. t.resa Rocha-Sant.s huan he y. y.ng Meip.ng t.ng Weina zhang Fidèle Suanon Ferdi Brahushi Zheny. Wang Sy.d Ahashsham Marko Virt. qingbin y.an gaofei j.ang louis A.t.emblay.qingwei Bu j.chun wu Willie p.ij.enburg Edward t.p. Xinde Cao Xin j.ang Minghui Zheng t.olin zhang y.ngming luo lizhong Zhu Xiangdong li DamiàBarceló j.anmin Chen Baoshan Xing wulf Amelung Zongwei Cai Ravi Naidu qirong Shen j.nusz p.wliszy. y.ng-guan Zhu Andreas Schaeffer Mat.hias C.Rillig Fengchang wu Gang y. j.mes M.t.edj. St.t. Key.laborat.ry.of Soil and Sust.inable Agricult.re Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China Universit. of Chinese Academy.of Sciences Beijing 100049China Dep.rt.ent.of Chemist.y Hong Kong Baptist UniversityHong KongChina hKBU Inst.t.t. of Research and Cont.nuing Educat.on Shenzhen Virtual University ParkShenzhenChina t.chnical Universit. of Munich TUM School of Natural SciencesInstitute of Hydrochemistry85748 GarchingGermany School of Resources&Environment Northeast Agricultural UniversityHarbin 150030China Climat. Air Quality Research UnitSchool of Public Health and Preventive MedicineMonash UniversityMelbourneVICAustralia Facult. of Environment.l Science&Engineering Kunming University of Science&TechnologyKunming 650500China Minist.y.of Educat.on Key.laborat.ry.of p.llut.on p.ocesses and Environment.l Crit.ria College of Environmental Science and EngineeringNankai UniversityTianjin 300350China Guangdong Key.laborat.ry.of Environment.l Cat.ly.is and healt. Risk Cont.ol School of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China Minist.y.of Educat.on Key.laborat.ry.of Environment.l t.eoret.cal Chemist.y South China Normal UniversityGuangzhouGuangdong 510006China Dep.rt.ent.of Environment.l Science Baylor UniversityWacoTXUSA Cent.r for Reservoir and Aquat.c Sy.t.ms Research(CRASR) Baylor UniversityWacoTXUSA School of Environment Tsinghua UniversityBeijing 100084China School of Civil and Environment.l Engineering Cornell UniversityIthacaNY 14853USA Key.laborat.ry.of Microbial t.chnology.for Indust.ial p.llut.on Cont.ol of Zhej.ang p.ovince Zhejiang University of TechnologyHangzhou 310014China School of Environment.l Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240China laborat.ire d’Ecologie Microbienne Universite Claude Bernard Lyon 1UMR CNRS 5557UMR INRAE 1418VetAgro Sup69622 VilleurbanneFrance Dep.rt.ent.of p.a

Environment.l p.llut.on is escalat.ng due t. rap.d global develop.ent.t.at.oft.n p.iorit.zes human needs over p.anet.ry.*** global effort. t. mit.gat. legacy.p.llut.nt.,t.e cont.nuous int.oduct.on of new subst.nces remains a maj.r t.reat.t. bot. p.op.e and t.e *** resp.nse,global init.at.ves are focusing on risk assessment.and regulat.on of emerging cont.minant.,as demonst.at.d by.t.e ongoing effort. t. est.blish t.e UN’s Int.rgovernment.l Science-p.licy.p.nel on Chemicals,Wast.,and p.llut.on *** review ident.fies t.e sources and imp.ct. of emerging cont.minant. on p.anet.ry.healt.,emp.asizing t.e imp.rt.nce of adop.0}ng a One healt. *** for monit.ring and addressing t.ese p.llut.nt. are discussed,underscoring t.e need for robust.and socially.equit.ble environment.l p.licies at.bot. regional and int.rnat.onal *** act.ons are needed t. t.ansit.on t.ward sust.inable p.llut.on management.p.act.ces t. safeguard our p.anet.for fut.re generat.ons.

关键词： p.llut.on p.anet cont.minant.

Geomet.ical reconst.uct.on of fluorescence event. observed by.t.e lhAASO exp.riment

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

作者： F.Aharonian q.An Axikegu l.X.Bai y.X.Bai y.W.Bao D.Bast.eri X.j.Bi y.j.Bi h.Cai j.t.Cai Z.Cao Z.Cao j.Chang j.F.Chang X.C.Chang 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.Dai h.l.Dai Z.G.Dai Danzengluobu D.della Volp. B.DEt.rre p.azzoli X.j.Dong 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.han h.h.he h.N.he j.C.he S.l.he X.B.he y.he M.heller y.K.hor C.hou X.hou h.B.hu S.hu S.C.hu X.j.hu D.h.huang q.l.huang W.h.huang X.t.huang Z.C.huang F.j. X.l.j. h.y.j.a K.j.ang Z.j.j.ang C.j.n D.Kuleshov K.levochkin B.B.li C.li C.li F.li h.B.li h.C.li h.y.li j.li K.li W.l.li X.li X.li X.R.li y.li y.Z.li Z.li Z.li E.W.liang y.F.liang S.j.lin B.liu C.liu D.liu h.liu h.D.liu j.liu j.l.liu j.l.liu j.S.liu j.y.liu M.y.liu R.y.liu S.M.liu W.liu y.N.liu Z.X.liu W.j.long R.lu h.K.lv B.q.Ma l.l.Ma X.h.Ma j.R.Mao A.Masood W.Mit.humsiri t.Mont.ruli y.C.Nan B.y..p.ng p.p.t.arakij.anich Z.y.p.i M.y.qi D.Ruffolo V.Rulev A.Saiz l.Shao O.Shchegolev X.D.Sheng j.R.Shi h.C.Song y..V.St.nkin V.St.p.nov q.N.Sun X.N.Sun Z.B.Sun p.h.t.t.m Z.B.t.ng W.W.t.an B.D.Wang C.Wang h.Wang h.G.Wang j.C.Wang j.S.Wang l.p.Wang l.y.Wang R.N.Wang W.Wang W.Wang X.G.Wang X.j.Wang X.y.Wang y.D.Wang y.j.Wang y.p.Wang Z.Wang Z.Wang Z.h.Wang Z.X.Wang D.M.Wei j.j.Wei y.j.Wei t.Wen C.y.wu h.R.wu S.wu W.X.wu X.F.wu S.q.Xi j.Xia j.j.Xia G.M.Xiang G.Xiao h.B.Xiao G.G.Xin y.l.Xin y.Xing 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.y.o Z.G.y.o 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.Zha X.X.Zhai B.B.zhang h.M.zhang h.y.zhang j.l.zhang j.W.zhang l.zhang l.zhang l.X.zhang p.F.zhang p.F.zhang R.zhang S.R.zhang S.S.zhang X.zhang X.p.zhang y.zhang y.zhang y.F.zhang y.l.zhang B.Zhao j.Zhao l.Zhao l.Z.Zhao S.p.Zhao F.Zheng y.Zheng B.Zhou h.Zhou j.N.Zhou p Key.laborat.ry.of p.rt.cle Ast.op.y.cs&Exp.riment.l p.y.ics Division&Comp.t.ng Cent.r Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Universit. of Chinese Academy.of Sciences Beijing 100049China t.ANfu Cosmic Ray.Research Cent.r ChengduSichuanChina St.t. Key.laborat.ry.of p.ricle Det.ct.on and Elect.onics China Universit. of Science and t.chnology.of China HefeiAnhui 230026China Dep.rt.ent.of Engineering p.y.ics Tsinghua UniversityBeijing 100084China Nat.onal Ast.onomical Observat.ries Chinese Academy of SciencesBeijing 100101China Nat.onal Sp.ce Science Cent.r Chinese Academy of SciencesBeijing 100190China School of p.y.ics Peking UniversityBeijing 100871China Cent.r for Ast.op.y.ics Guangzhou UniversityGuangzhouGuangdong 510006China School of p.y.ics and Ast.onomy.School of p.y.ics(Guangzhou) Sun Yat-sen UniversityZhuhaiGuangdong 519000China School of p.y.ical Science and t.chnology Guangxi UniversityNanningGuangxi 530004China hebei Normal Universit. ShijiazhuangHebei 050024China School of p.y.ics and Microelect.onics Zhengzhou UniversityZhengzhouHenan 450001China School of Ast.onomy.and Sp.ce Science Nanjing UniversityNanjingJiangsu 210023China Key.laborat.ry.of Dark Mat.er and Sp.ce Ast.onomy Purple Mountain ObservatoryChinese Academy of SciencesNanjingJiangsu 210023China Inst.t.t. of Front.er and Int.rdiscip.inary.Science Shandong UniversityQingdaoShandong 266237China Key.laborat.ry.for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China t.ung-Dao lee Inst.t.t.&School of p.y.ics and Ast.onomy Shanghai Jiao Tong UniversityShanghai 200240China School of p.y.ical Science and t.chnology Southwest Jiaotong UniversityChengduSichuan 610031China College of p.y.ics Sichuan UniversityChengduSichuan 610065China Key.laborat.ry.of Cosmic Ray.(t.bet.Universit.) Ministry of EducationLhasaTibet 850000China School of p.y.ics and t.chnology Wuhan UniversityWuhanHubei 430072Ch

t.e lhAASO-WFCt. exp.riment.which aims t. observe cosmic ray. in t.e sub-EeV range using t.e fluorescence t.chnique,uses a new generat.on of high-p.rformance *** ensure t.at.t.e exp.riment.has ex-cellent.det.ct.on cap.bilit. associat.d wit. t.e measurement.of t.e energy.sp.ct.um,t.e p.imary.comp.sit.on of cosmic ray.,and so on,an accurat. geomet.ical reconst.uct.on of air-shower event. is *** p.p.r de-scribes t.e develop.ent.and t.st.ng of geomet.ical reconst.uct.on for st.reo viewed event. using t.e WFCt.(Wide Field of view Cherenkov/Fluorescence t.lescop. Array.*** ap.roaches,which t.ke full advant.ge oft.e WFCt. *** *** is t.e st.reo-angular met.od,which uses t.e p.int.ng of t.iggered Sip.s in t.e shower t.aj.ct.ry.and t.e ot.er is t.e st.reo-t.ming met.od,which uses t.e t.iggering t.me of t.e fired *** result. show t.at.bot. met.ods have good geomet.ical resolut.on:t.e resolut.on of t.e st.reo-t.ming met.od is slight.y.bet.er t.an t.e st.reo-angular met.od because t.e resolut.on of t.e lat.er is slight.y.limit.d by.t.e shower t.ack lengt..

关键词： cosmic ray fluorescence t.lescop. st.reo observat.on geomet.ical reconst.uct.on

Observat.on of t.e Crab Nebula wit. lhAASO-KM2A−a p.rformance st.dy

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

作者： F.Aharonian q.An Axikegu l.X.Bai y.X.Bai y.W.Bao D.Bast.eri X.j.Bi y.j.Bi h.Cai j.t.Cai Z.Cao j.Chang j.F.Chang X.C.Chang 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.Dai h.l.Dai Z.G.Dai D.della Volp. B.D'Et.orre p.azzoli X.j.Dong 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.han h.h.he h.N.he j.C.he S.l.he X.B.he y.he M.heller y.K.hor C.hou X.hou h.B.hu S.hu S.C.hu X.j.hu D.h.huang q.l.huang W.h.huang X.t.huang Z.C.huang F.j. X.l.j. h.y.j.a K.j.ang Z.j.j.ang C.j.n D.Kuleshov K.levochkin B.B.li C.li F.li h.B.li h.C.li h.y.li j.li K.li W.l.li X.li X.R.li y.li y.Z.li Z.li E.W.liang y.F.liang S.j.lin B.liu C.liu D.liu h.liu h.D.liu j.liu j.l.liu j.S.liu j.y.liu M.y.liu R.y.liu S.M.liu W.liu y.N.liu Z.X.liu W.j.long R.lu h.K.lv B.q.Ma l.l.Ma X.h.Ma j.R.Mao A.Masood W.Mit.humsiri t.Mont.ruli y.C.Nan B.y.p.ng p.p.t.arakij.anich Z.y.p.i M.y.qi D.Ruffolo V.Rulev A.Sáiz l.Shao O.Shchegolev X.D.Sheng j.R.Shi h.C.Song y..V.St.nkin V.St.p.nov q.N.Sun X.N.Sun Z.B.Sun p.h.t.t.m Z.B.t.ng W.W.t.an B.D.Wang C.Wang h.Wang h.G.Wang j.C.Wang j.S.Wang l.p.Wang l.y.Wang R.N.Wang W.Wang X.G.Wang X.j.Wang X.y.Wang y.D.Wang y.j.Wang y.p.Wang Z.Wang Z.h.Wang Z.X.Wang D.M.Wei j.j.Wei y.j.Wei t.Wen C.y.wu h.R.wu S.wu W.X.wu X.F.wu S.q.Xi j.Xia j.j.Xia G.M.Xiang G.Xiao h.B.Xiao G.G.Xin y.l.Xin y.Xing 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.y.o Z.G.y.o 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.Zha X.X.Zhai B.B.zhang h.M.zhang h.y.zhang j.l.zhang j.W.zhang l.zhang l.X.zhang p.F.zhang p.p.zhang R.zhang S.R.zhang S.S.zhang X.zhang X.p.zhang y.zhang y.F.zhang y.l.zhang B.Zhao j.Zhao l.Zhao l.Z.Zhao S.p.Zhao F.Zheng y.Zheng B.Zhou h.Zhou j.N.Zhou p.Zhou R.Zhou X.X.Zhou C.G.Zhu F.R.Zhu h.Zhu K.j.Zhu X.Zuo Key.laborat.ry.of p.rt.cle Ast.op.y.cs&Exp.riment.l p.y.ics Division&Comp.t.ng Cent.r Institute of High Energy PhysicsChinese Academy of Sciences100049 BeijingChina Universit. of Chinese Academy.of Sciences 100049 BeijingChina t.ANfu Cosmic Ray.Research Cent.r ChengduSichuanChina St.t. Key.laborat.ry.of p.rt.cle Det.ct.on and Elect.onics China Universit. of Science and t.chnology.of China 230026 HefeiAnhuiChina Dep.rt.ent.of Engineering p.y.ics Tsinghua University100084 BeijingChina Nat.onal Ast.onomical Observat.ries Chinese Academy of Sciences100101 BeijingChina Nat.onal Sp.ce Science Cent.r Chinese Academy of Sciences100190 BeijingChina School of p.y.ics Peking University100871 BeijingChina Cent.r for Ast.op.y.ics Guangzhou University510006 GuangzhouGuangdongChina School of p.y.ics and Ast.onomy.School of p.y.ics(Guangzhou) Sun Yat-sen University519000 ZhuhaiGuangdongChina School of p.y.ical Science and t.chnology Guangxi University530004 NanningGuangxiChina hebei Normal Universit. 050024 ShijiazhuangHebeiChina School of p.y.ics and Microelect.onics Zhengzhou University450001 ZhengzhouHenanChina School of Ast.onomy.and Sp.ce Science Nanjing University210023 NanjingJiangsuChina Key.laborat.ry.of Dark Mat.er and Sp.ce Ast.onomy Purple Mountain ObservatoryChinese Academy of Sciences210023 NanjingJiangsuChina Inst.t.t. of Front.er and Int.rdiscip.inary.Science Shandong University266237 QingdaoShandongChina Key.laborat.ry.for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of Sciences200030 ShanghaiChina t.ung-Dao lee Inst.t.t.&School of p.y.ics and Ast.onomy Shanghai Jiao Tong University200240 ShanghaiChina School of p.y.ical Science and t.chnology.School of Informat.on Science and t.chnology Southwest Jiaotong University610031 ChengduSichuanChina College of p.y.ics Sichuan University610065 ChengduSichuanChina Key.laborat.ry.of Cosmic Ray.(t.bet.Universit.) Ministry of Education850000 LhasaTibetChina School of p.y.ics and t.c

A sub-array.of t.e large high Alt.t.de Air Shower Observat.ry.lhAASO),KM2A is mainly.designed t. observe a large fract.on of t.e nort.ern sky.t. hunt.for γ-ray.sources at.energies above 10 *** t.ough t.e det.ct.r const.uct.on is st.ll underway.half of t.e KM2A array.has been op.rat.ng st.bly.since t.e end of *** t.is p.p.r,we p.esent.t.e KM2A dat. analy.is p.p.line and t.e first.observat.on of t.e Crab Nebula,a st.ndard candle in very.high energy.γ-ray.*** det.ct.γ-ray.signals from t.e Crab Nebula in bot. energy.ranges of 10-100 t.V and>100 t.V wit. high significance,by.analy.ing t.e KM2A dat. of 136 live day. bet.een December 2019 and May.*** t.e observat.ons,we t.st.t.e det.ct.r p.rformance,including angular resolut.on,p.int.ng accuracy.and cosmic-ray.background rej.ct.on *** energy.sp.ct.um of t.e Crab Nebula in t.e energy.range 10-250 t.V fit. well wit. a single p.wer-law funct.on dN/dE=(1.13±0.05st.t.0.08sy.)×10^(-14).(E/20 t.V)-309±0.06st.t.0.02sy.cm^(-2) s^(-1) t.V^(-1).It.is consist.nt.wit. p.evious measurement. by.ot.er *** op.ns a new window of γ-ray.ast.onomy.above 0.1 p.V t.rough which new ult.ahigh-energy.γ-ray.p.enomena,such as cosmic p.Vat.ons,might.be discovered.

关键词： γ-ray Crab Nebula ext.nsive air showers cosmic ray.