Supported by the Ministry of Science and Technology of China(2009CB825204);National Natural Science Foundation of China(10625524,10821063,10825524,10835001,10935007,11125525,11235011);Joint Funds of the National Natural Science Foundation of China(11079008,11179007);Chinese Academy of Sciences Large-Scale Scientific Facility Program,CAS(KJCX2-YW-N29,KJCX2-YW-N45);100 Talents Program of CAS,German Research Foundation DFG(Collaborative Research Center CRC-1044);Istituto Nazionale di Fisica Nucleare,Italy,Ministry of Development of Turkey(DPT2006K-120470);U.S.Department of Energy(DE-FG02-04ER41291,DE-FG02-05ER41374,DE-FG02-94ER40823);U.S.National Science Foundation,University of Groningen(RuG);the Helmholtzzentrum fuer Schwerionenforschung GmbH(GSI);Darmstadt,WCU Program of National Research Foundation of Korea(R32-2008-000-10155-0)
Data sets were collected with the BESⅢ detector at the BEPCⅡ collider at the center-of-mass energy of √s=3.650 GeV during May 2009 and at √s=3.773 GeV from January 2010 to May 2011. By analyzing the large angle Bh...
Supported by Ministry of Science and Technology of China(2009CB825200);National Natural Science Foundation of China(NSFC)(10625524,10821063,10825524,10835001,10935007,11125525,10975143,10979058),Joint Funds of the National Natural Science Foundation of China(11079008,11179007);Chinese Academy of Sciences(CAS)Large-Scale Scientific Facility Program;CAS(KJCX2-YW-N29,KJCX2-YW-N45);100 Talents Program of CAS,Istituto Nazionale di Fisica Nucleare,Italy,Ministry of Development of Turkey(DPT2006K-120470);U.S.Department of Energy(DE-FG02-04ER41291,DE-FG02-91ER40682,DE-FG02-94ER40823);U.S.National Science Foundation,University of Groningen(RuG);the Helmholtzzentrum fuer Schwerionenforschung GmbH(GSI),Darmstadt,WCU Program of National Research Foundation of Korea(R32-2008-000-10155-0)
The number of φ' events accumulated by the BESIII experiment from March 3 through April 14, 2009, is determined by counting inclusive hadronic events. The result is 106.41×(1.00±0.81%)×10^6. The error is system...
Supported by National Natural Science Foundation of China (10935012, 10821063, 11175249)
We study the J/ψ pair production issue at the Fermilab Tevatron Run II with a center-of-mass energy of s^(1/2)=1.96TeV. Both the color-singlet and color-octet production mechanisms are considered. Our results show ...
Supported by National Natural Science Foundation of China(10491300,10225524,10225525,10425523,10625524,10521003,10821063,10825524);Chinese Academy of Sciences(KJ95T-03);100Talents Program of CAS(U-11,U-24,U-25);Knowledge Innovation Project of CAS(U-602,U-34)(IHEP);National Natural Science Foundation of China(10775077,10225522)(Tsinghua University);Department of Energy(DE-FG02-04ER41291)(U.Hawaii)
Based on 58 million J/ψ events collected by the BESⅡ detector at the BEPC, J/ψ→ΛΛ π+π- is observed for the first time. The branching fraction is measured to be Br(J/ψ→ΛΛ π+π-)=(4.30±0.13±0.99)×1...
Supported by Ministry of Science and Technology of China (2009CB825200);National Natural Science Foundation of China (NSFC) (10625524, 10821063, 10825524, 10835001, 10935007, 11125525);Joint Funds of National Natural Science Foundation of China (11079008, 11179007);Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program (KJCX2-YW-N29, KJCX2-YW-N45);100 Talents Program of CAS, Istituto Nazionale di Fisica Nucleare, Italy, U. S. Department of Energy (DE-FG02-04ER41291, DE-FG02-91ER40682, DE-FG02-94ER40823);U.S. National Science Foundation, University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt, WCU Program of National Research Foundation of Korea (R32-2008-000-10155-0)
The number of J/ψ events collected with the BES detector at the BEPC from June 12 to July 28, 2009 is determined to be (225.3 ± 2.8) × 10^ 6 using J/ψ→inclusive events, where the uncertainty is the systematic e...
supported by the National Natural Science Foundation of China (Grant Nos. 10935012, 10928510, 10821063 and 10775179);the Chinese Academy of Sciences Key Projects (Grant Nos. KJCX2-yw-N29 andH92A0200S2);the Scientific Research Fund of Graduate University, the Chinese Academy of Sciences
We present in the work two intriguing results in the entanglement classification of a pure and true tripartite entangled state of 2 × M × N under stochastic local operation and classical communication: (i) the inter...
Supported by National Natural Science Foundation of China (10935012, 10928510, 10821063, 10775179);CAS Key Projects(KJCX2-yw-N29, H92A0200S2);100 Talents Program of CAS
DJpsiFDC is an event generator package for the process gg → J/ψJ/ψ. It generates events for primary leading-order 2 → 2 processes. The package could generate a Les Houches Event (LHE) document and this could eas...
Supported by National Natural Science Foundation of China (10821063, 10875141, 10705034, 10605030);Ministry of Science and Technology of China (2009CB825200);Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program (KJCX2-YW-N29, KJCX2-YW-N45);United States Department of Energy (DE-FG02-91ER40682)
The Beijing Spectrometer Ⅲ(BESⅢ)is a general-purpose detector used for the study of τ-charm physics at the Beijing Electron-Positron Collider Ⅱ(BEPC Ⅱ).This paper presents our studies of the dE/dx measurement...