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frontiers of physics 2024年第1期19卷 1-154页

作者： M.Achasov x.C.Ai L.P.An R.Aliberti Q.An x.z.bai Y.bai O.bakina A.barnyakov V.blinov V.bobrovnikov D.bodrov A.bogomyagkov A.bondar I.boyko 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.Epifanov Y.L.fan S.S.fang z.j.fang G.fedotovich 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.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.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.Lyu x.R.Lyu j.P.Ma P.Ma Y.Ma Y.M.Ma f.Maas S.Malde D.Matvienko z.x.Meng R.Mitchell A.Nefediev Y.Nefedov S.L.Olsen Q.Ouyang P.Pakhlov G.Pakhlova x.Pan Y.Pan E.Passemar Y.P.Pei h.P.Peng L.Peng x.Y.Peng x.j.Peng K.Peters S.Pivovarov E.Pyata 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 university Hefei 230039China beihang university Beijing 100191China budker Institute of Nuclear Physics Novosibirsk 630090Russia CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central china Normal university Wuhan 430079China Central South university Changsha 410083China china university of Geosciences Wuhan 430074China china university of Mining and Technology Xuzhou 221116China École Polytechnique fédérale de Lausanne(EPfL) LausanneSwitzerland fudan university Shanghai 200433China Goethe university frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal university Guilin 541004China Guangxi Uninversity Nanning 530004China hangzhou Institute for Advanced Study UCASHangzhou 310024China hebei Normal university Shijiazhuang 050024China hebei university Baoding 071002China hefei university of Technology Hefei 230601China helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany henan Normal university Xinxiang 453007China henan university Kaifeng 475004China high Energy Physics Center Chung-Ang UniversitySeoul 06974Korea higher School of Economy 11 Pokrovsky bulvar Moscow 109028Russia huangshan university Huangshan 245000China hubei university of Automotive Technology Shiyan 442002China hunan Normal university Changsha 410081China hunan university of Science and Technology Xiangtan 411201China hunan university Changsha 410082China Indiana university BloomingtonIndiana 47405USA Inner Mongolia university Hohhot 010021China Institute of Advanced Science facilities Shenzhen 518107China Institute of high Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China jilin university Changch

The superτ-charm facility(STCf)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5×10^(35) cm^(–2)·s^(–1) or *** STCf will produce a data sample about a factor of 100 larger than that of the presentτ-charm factory—the bEPCII,providing a unique platform for exploring the asymmetry of matter-antimatter(charge-parity violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and physics beyond the Standard *** STCf project in china is under development with an extensive R&D *** document presents the physics opportunities at the STCf,describes conceptual designs of the STCf detector system,and discusses future plans for detector R&D and physics case studies.

关键词： electron–positron collider tau-charm region high luminosity STCf detector conceptual design

Rescattering of stimulated Raman side scattering in nonuniform plasmas

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Matter and Radiation at Extremes 2024年第5期9卷 68-76页

作者： S.Tan Q.wang Y.Chen W.b.Yao C.z.xiao j.f.Myatt School of Physics and Electronics Hunan UniversityChangsha 410082China Institute of Applied Physics and Computational Mathematics Beijing 100094China School of Electrical and Information Engineering Anhui University of Science and TechnologyHuainanAnhui 232001China Department of Electrical and Computer Engineering University of Alberta9211116 St.NWEdmontonAlberta T6G 1H9Canada

Rescattering of stimulated Raman side scattering(SRSS)is observed for the first time via two-dimensional(2D)particle-in-cell(PIC)*** construct a theoretical model for the rescattering process,which can predict the region of occurrence of mth-order SRSS and estimate its *** rescattering process is identified by the 2D PIC simulations under typical conditions of a direct-drive inertial confinement fusion *** electrons produced by second-order SRSS propagate nearly perpendicular to the density gradient and gain nearly the same energy as in first-order SRSS,but there is no cascade acceleration to produce superhot *** studies for a wide range of ignition conditions show that SRSS and associated rescatterings are robust and important processes in inertial confinement fusion.

关键词： nonuniform acceleration scattering

Amplitude analysis of the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)

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Chinese Physics 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.Aliberti A.Amoroso Q.An Y.bai O.bakina I.balossino Y.ban h.-R.bao V.batozskaya K.begzsuren N.berger M.berlowski M.bertani D.bettoni f.bianchi E.bianco A.bortone I.boyko R.A.briere A.brueggemann h.Cai x.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin 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.Cibinetto f.Cossio j.j.Cui h.L.Dai j.P.Dai A.Dbeyssi R.E.de boer D.Dedovich C.Q.Deng z.Y.Deng A.Denig I.Denysenko M.Destefanis 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.fritsch C.D.fu j.L.fu Y.W.fu h.Gao Y.N.Gao Yang 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 jA.Gilman K.Goetzen 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.Gutierrez 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.holtmann 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.jackson S.janchiv 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.johansson S.Kabana N.Kalantar-Nayestanaki x.L.Kang x.S.Kang M.Kavatsyuk b.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.b.Kolcu b.Kopf M.Kuessner x.Kui A.Kupsc W.K\"uhn j.j.Lane P.Larin L.Lavezzi T.T.Lei z.h.Lei h.Leithoff 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 Institute of high Energy Physics Chinese Academy of SciencesBeijing 100049China beihang university Beijing 100191China bochum Ruhr-university D-44780 BochumGermany budker Institute of Nuclear Physics Sb RAS(bINP) Novosibirsk 630090Russia Carnegie Mellon university PittsburghPennsylvania 15213USA Central china Normal university Wuhan 430079China Central South university Changsha 410083China china Center of Advanced Science and Technology Beijing 100190China china university of Geosciences Wuhan 430074China Chung-Ang university Seoul06974Republic of Korea COMSATS university Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan university Shanghai 200433China GSI helmholtzcentre for heavy Ion Research Gmbh D-64291 DarmstadtGermany Guangxi Normal university Guilin 541004China Guangxi university Nanning 530004China hangzhou Normal university Hangzhou 310036China hebei university Baoding 071002China helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany henan Normal university Xinxiang 453007China henan university Kaifeng 475004China henan university of Science and Technology Luoyang 471003China henan university of Technology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal university Changsha 410081China hunan university Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana university BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INfN Laboratori Nazionali di frascati INFN Sezione di PerugiaI-06100PerugiaItaly INfN Laboratori Nazionali di frascati University of PerugiaI-06100PerugiaItaly INfN Sezione di ferrara INFN Sezione di FerraraI-44122FerraraItaly INfN Sezione di ferrara University of FerraraI-44122FerraraItaly Inner Mongolia university Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using e^(+)e^(−)annihilation data corresponding to an integrated luminosity of 2.93 fb^(−1)taken at the center-of-mass energy√s=3.773 GeV with the bESIII detector,a joint amplitude analysis is performed on the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).The fit fractions of individual components are obtained,and large interferences among the dominant components of the decays 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 *** the obtained amplitude model,the CP-even fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are determined to be(75.2±1.1_(stat).±1.5_(syst.))%and(68.9±1.5_(stat).±2.4_(syst.))%,*** branching fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured to be(0.688±0.010_(stat.)±0.010_(syst.))%and(0.951±0.025_(stat.)±0.021_(syst.))%,*** amplitude analysis provides an important model for the binning strategy in measuring the strong phase parameters of D^(0)→4πwhen used to determine the CKM angleγ(ϕ_(3))via the b^(−)→DK^(−)decay.

关键词： bESIII D^(0)meson decays amplitude analysis CP-even fraction

Determination of the number ofψ(3686)events taken at bESⅢ

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Chinese Physics 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.Aliberti A.Amoroso Q.An Y.bai O.bakina I.balossino Y.ban h.-R.bao V.batozskaya K.begzsuren N.berger M.berlowski M.bertani D.bettoni f.bianchi E.bianco A.bortone I.boyko R.A.briere A.brueggemann h.Cai x.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin 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.Cibinetto f.Cossio j.j.Cui h.L.Dai j.P.Dai A.Dbeyssi R.E.de boer D.Dedovich C.Q.Deng z.Y.Deng A.Denig I.Denysenko M.Destefanis 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.fritsch C.D.fu j.L.fu Y.W.fu h.Gao x.b.Gao Y.N.Gao Yang Gao S.Garbolino I.Garzia L.Ge P.T.Ge z.W.Ge C.Geng E.M.Gersabeck A.Gilman K.Goetzen 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.Gutierrez 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.holtmann 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.jackson S.janchiv 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.johansson S.Kabana N.Kalantar-Nayestanaki x.L.Kang x.S.Kang M.Kavatsyuk b.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.b.Kolcu b.Kopf M.Kuessner x.Kui N.Kumar A.Kupsc 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 Institute of high Energy Physics Beijing 100049China beihang university Beijing 100191China bochum Ruhr-university D-44780BochumGermany budker Institute of Nuclear Physics Sb RAS(bINP) Novosibirsk 630090Russia Carnegie Mellon university PittsburghPennsylvania 15213USA Central china Normal university Wuhan 430079China Central South university Changsha 410083China china Center of Advanced Science and Technology Beijing 100190China china university of Geosciences Wuhan 430074China Chung-Ang university Seoul06974Republic of Korea COMSATS university Islamabad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan fudan university Shanghai 200433China GSI helmholtzcentre for heavy Ion Research Gmbh D-64291DarmstadtGermany Guangxi Normal university Guilin 541004China Guangxi university Nanning 530004China hangzhou Normal university Hangzhou 310036China hebei university Baoding 071002China helmholtz Institute Mainz Staudinger Weg 18D-55099MainzGermany henan Normal university Xinxiang 453007China henan university Kaifeng 475004China henan university of Science and Technology Luoyang 471003China henan university of Technology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal university Changsha 410081China hunan university Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana university BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati (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 university Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile jilin university Changchun 130012China joha

The number ofψ(3686)events collected by the bESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic *** uncertainty is systematic and the statistical uncertainty is ***,the numbers ofψ(3686)events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numbers are consistent with the previous measurements within one standard *** total number ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.

关键词： ψ(3686) inclusive process hadronic events bESⅢdetector

Evidence for particle acceleration approaching PeV energies in the W51 complex

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Science bulletin 2024年第18期69卷 2833-2841页

作者： LhAASO Collaboration zhen Cao f.Aharonian Axikegu Y.x.bai Y.W.bao D.bastieri 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.Giacinti 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.ji h.Y.jia K.jia K.jiang x.W.jiang z.j.jiang M.jin M.M.Kang I.Karpikov D.Kuleshov K.Kurinov b.b.Li C.M.Li Cheng Li Cong Li D.Li f.Li h.b.Li h.C.Li jian Li jie 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.Mitthumsiri h.j.Mu Y.C.Nan A.Neronov L.j.Ou P.Pattarakijwanich z.Y.Pei 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 Yu.V.Stenkin V.Stepanov 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.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.Yan j.z.Yan T.Yan C.W.Yang C.Y.Yang f.Yang f.f.Yang L.L.Yang M.j.Yang R.z.Yang W.x.Yang Y.h.Yao z.G.Yao L.Q.Yin N.Yin x.h.You z.Y.You Y.h.Yu Q.Yuan h.Yue h.D.zeng T.x.zeng W.zeng M.zha b.b.zhang f.zhang h.zhang 不详 Key Laboratory of Particle Astrophysics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China university of Chinese Academy of Sciences Beijing 100049China TIANfU Cosmic Ray Research Center ChengduChina Dublin Institute for Advanced Studies 31 Fitzwilliam Place2 DublinIreland Max-Planck-Institut for Nuclear Physics P.O.Box 103980Heidelberg 69029Germany School of Physical Science and Technology&School of Information Science and Technology Southwest Jiaotong UniversityChengdu 610031China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Center for Astrophysics Guangzhou UniversityGuangzhou 510006China Tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China Institute for Nuclear Research of Russian Academy of Sciences Moscow 117312Russia hebei Normal university Shijiazhuang 050024China university of Science and Technology of china Hefei 230026China State Key Laboratory of Particle Detection and Electronics China Key Laboratory of Dark Matter and Space Astronomy&Key Laboratory of Radio Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Research Center for Astronomical Computing Zhejiang LaboratoryHangzhou 311121China Key Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China School of Physics and Astronomy Yunnan UniversityKunming 650091China Key Laboratory of Cosmic Rays(Tibet university) Ministry of EducationLhasa 850000China National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China School of Physics and Astronomy(zhuhai)&School of Physics(Guangzhou)&Sino-french Institute of Nuclear Engineering and Technology(zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275GuangdongChina Institute of frontier and Interdisciplinary Science Shandong UniversityQingdao 266237China APC UniversitéParis Cité

Theγ-ray emission from the W51 complex is widely acknowledged to be attributed to the interaction between the cosmic rays(CRs)accelerated by the shock of supernova remnant(SNR)W51C and the dense molecular clouds in the adjacent star-forming region,***,the maximum acceleration capability of W51C for CRs remains *** on observations conducted with the Large high Altitude Air Shower Observatory(LhAASO),we report a significant detection ofγrays emanating from the W51 complex,with energies from 2 to 200 *** LhAASO measurements,for the first time,extend theγ-ray emission from the W51 complex beyond 100 TeV and reveal a significant spectrum bending at tens of *** combining the"π^(0)-decay bump"featured data from fermi-LAT,the broadbandγ-ray spectrum of the W51 region can be well-characterized by a simple pp-collision *** observed spectral bending feature suggests an exponential cutoff at~400 TeV or a power-law break at~200 TeV in the CR proton spectrum,most likely providing the first evidence of SNRs serving as CR accelerators approaching the PeV ***,two young star clusters within W51b could also be theoretically viable to produce the most energeticγrays observed by *** findings strongly support the presence of extreme CR accelerators within the W51 complex and provide new insights into the origin of Galactic CRs.

关键词： UhE c-ray Cosmic rays SNR W51C Star clusters

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 bulletin 2024年第4期69卷 449-457页

作者： LhAASO Collaboration zhen Cao Chuandong Gao Cong Li Ruo-Yu Liu Ruizhi Yang 不详 Key Laboratory of Particle Astrophyics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China university of Chinese Academy of Sciences Beijing 100049China TIANfU Cosmic Ray Research Center ChengduChina Institute of frontier and Interdisciplinary Science Shandong UniversityQingdao 266237China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China university of Science and Technology of china Hefei 230026China

We report the detection of aγ-ray bubble spanning at least 100deg2 in ultra-high energy(UhE)up to a few PeV in the direction of the star-forming region Cygnus x,implying the presence super PeVatron(s)accelerating protons to at least 10 PeV.A log-parabola form with the photon indexΓ(E)=(2.71±0.02)+(0.11±0.02)×log10(E/10 TeV)is found fitting the gamma-ray energy spectrum of the bubble *** sources,“hot spots”correlated with very massive molecular clouds,and a quasi-spherical amorphousγ-ray emitter with a sharp central brightening are observed in the *** the core of~0.5°,spatially associating with a region containing massive Ob association(Cygnus Ob2)and a microquasar(Cygnus x-3),as well as previously reported multi-TeV sources,an enhanced concentration of UhEγ-rays is observed with 2 photons at energies above 1 *** general feature of the bubble,the morphology,and the energy spectrum,are reasonably reproduced by the assumption of a particle accelerator in the core,continuously injecting protons into the ambient medium.

关键词： Cosmic rays γ-rays Interstellar medium Star cluster

Ground-state mass of ^(22)Al and test of state-of-the-art ab initio calculations

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Chinese Physics C 2024年第3期48卷 72-78页

作者：孙铭泽于越王新鹏王猛李健国张玉虎 K.blaum 陈祖毅陈瑞九邓涵宇付超义葛文文黄文嘉焦红扬李红蕙李宏福罗胤芳廖挺 YuALitvinov 司敏帅鹏史金阳王茜邢元明徐星徐瑚珊许甫荣袁琪 T.Yamaguchi 颜鑫亮杨建成原有进周小红周旭张敏曾奇 CAS Key Laboratory of high Precision Nuclear Spectroscopy Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Max-Planck-Institut für Kernphysik Saupfercheckweg 169117 HeidelbergGermany GSI helmholtzzentrum für Schwerionenforschung Planckstraße 164291 DarmstadtGermany Advanced Energy Science and Technology Guangdong Laboratory Huizhou516007China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Department of Physics Saitama UniversitySaitama 338-8570Japan School of Nuclear Science and Engineering East China University of TechnologyNanchang 330013China

The ground-state mass excess of the T_(z)=−2 drip-line nucleus ^(22)Al is measured for the first time as 18103(10)keV using the newly-developed bρ-defined isochronous mass spectrometry method at the cooler storage ring in *** new mass excess value allowed us to determine the excitation energies of the two low-lying 1+states in ^(22)Al with significantly reduced uncertainties of 51 *** compared to the analogue states in its mirror nucleus ^(22)f,the mirror energy differences of the two 1^(+)states in the ^(22)Al-^(22)f mirror pair are determined to be−625(51)keV and−330(51)*** excitation energies and mirror energy differences are used to test the state-of-the-art ab initio valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field *** mechanism leading to the large mirror energy differences is investigated and attributed to the occupation of theπs_(1/2) orbital.

关键词： nuclear mass bρ-defined IMS mirror energy difference ab initio VS-IMSRG calculations chiral interactions

Optimization of performance of the KM2A full array using the Crab Nebula

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Chinese Physics 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.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.della Volpe 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.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.Mitthumsiri 穆慧君南云程 A.Neronov 区子维庞彬宇 P.Pattarakijwanich 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 Yu.V.Stenkin V.Stepanov 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 Collaboration Key Laboratory of Particle Astrophyics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China university of Chinese Academy of Sciences Beijing 100049China Tianfu Cosmic Ray Research Center Chengdu 610000China Dublin Institute for Advanced Studies 31 Fitzwilliam Place2 DublinIreland Max-Planck-Institut for Nuclear Physics P.O.Box 10398069029 HeidelbergGermany State Key Laboratory of Particle Detection and Electronics China university of Science and Technology of china Hefei 230026China School of Physical Science and Technology&School of Information Science and Technology Southwest Jiaotong UniversityChengdu 610031China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Center for Astrophysics Guangzhou UniversityGuangzhou 510006China hebei Normal university Shijiazhuang 050024China Key Laboratory of Dark Matter and Space Astronomy&Key Laboratory of Radio Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China Key Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key Laboratory of Cosmic Rays(Tibet university) Ministry of EducationLhasa 850000TibetChina National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China School of Physics and Astronomy(zhuhai)&School of Physics(Guangzhou)&Sino-french Institute of Nuclear Engineering and Technology(zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275China School of Physics and Astronomy Yunnan UniversityKunming 650091China Département de Physique Nucléaire et Corpusculaire Facultéde SciencesUniversitéde Genève24 Quai Ernest Ansermet1211 GenevaSwitzerland Institute of frontier and Interdisciplinary Science Shandong UniversityQingdao 266237China APC Universit'e Paris Cit'eCNRS/IN2P3CEA/IRFUObservat

The full array of the Large high Altitude Air Shower Observatory(LhAASO)has been in operation since july *** its kilometer-square array(KM2A),we optimized the selection criteria for very high and ultrahigh energyγ-rays using data collected from August 2021 to August 2022,resulting in an improvement in significance of the detection in the Crab Nebula of approximately 15%,compared with that of previous *** the implementation of these new selection criteria,the angular resolution was also significantly improved by approximately 10%at tens of *** aspects of the full KM2A array performance,such as the pointing error,were also calibrated using the Crab *** resulting energy spectrum of the Crab Nebula in the energy range of 10-1000 TeV are well fitted by a log-parabola model,which is consistent with the previous results from LhAASO and other experiments.

关键词： γ-ray Crab Nebula significance

Unusually high corrosion resistance in Mo_(x)CrNiCo medium entropy alloy enhanced by acidity in aqueous solution

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journal of Materials Science & Technology 2023年第8期139卷 59-68页

作者： S.Shuang G.j.Lyu D.Chung x.z.wang x.Gao h.h.Mao W.P.Li Q.f.he b.S.Guo x.Y.zhong Y.j.wang Y.Yang Department of Mechanical Engineering College of EngineeringCity University of Hong KongKowloon TongKowloonHong KongChina State Key Laboratory of Nonlinear Mechanics Institute of MechanicsChinese Academy of SciencesBeijing 100190China School of Engineering Science University of Chinese Academy of SciencesBeijing 101408China State Key Laboratory of Solidification Processing Center of Advanced Lubrication and Seal MaterialsNorthwestern Polytechnical UniversityXi’an 710072China Unit of Structures Department of Materials Science and EngineeringKTHStockholm SE-10044Sweden Thermo-Calc Software Råsundav.18SolnaSE-16767Sweden Department of Materials Science and Engineering College of EngineeringCity University of Hong KongKowloon TongKowloonHong KongChina Institute of Advanced Wear&Corrosion Resistant and functional Materials Jinan UniversityGuangzhou 510632China Department of Advanced Design and System Engineering College of EngineeringCity University of Hong KongKowloon TongKowloonHong KongChina

high corrosion resistance of alloys is essential for their structural applications;however,most alloys suffer from degradation of their corrosion resistance with the increasing acidity of their ***,we developed a series of medium-entropy alloys(MEAs)in this work,which ex-hibit high strength,superior fracture toughness and ultra-high corrosion resistance,outperforming the variety of corrosion resistant alloys hitherto *** interestingly,our MEAs exhibit an unusual anti-corrosion behavior and their corrosion resistance increases with acidity in Cl−containing *** extensive thermodynamic calculations,density functional theory(DfT)simulations and experi-ments,we reveal that the unusual anti-corrosion behavior of our MEAs can be attributed to their surface chemical complexity,which facilitates the physio-chemical-absorption of h_(2)O and O_(2)and thus the rapid formation of metastable medium entropy passive films that contain the lowest amount of defects,as compared to the passive films on conventional alloys reported in the literature.

关键词： Corrosion Passivation Alloy design Multi-principal element alloys Medium-entropy alloys