Journal
PHYSICAL REVIEW D
Volume 106, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.072008
Keywords
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Funding
- National Key RAMP
- D Program of China [2020YFA0406400, 2020YFA0406300]
- National Natural Science Foundation of China (NSFC) [11635010, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12022510, 12025502, 12035009, 12035013, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12005311]
- Fundamental Research Funds for the Central Universities, Sun Yat-sen University, University of Science and Technology of China
- 100 Talents Program of Sun Yatsen University
- Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program
- Joint Large-Scale Scientific Facility Funds of the NSFC and CAS [U1832207]
- 100 Talents Program of CAS
- Institute of Nuclear and Particle Physics (INPAC)
- Shanghai Key Laboratory for Particle Physics and Cosmology
- ERC [758462]
- European Union [894790]
- German Research Foundation DFG [443159800]
- Istituto Nazionale di Fisica Nucleare, Italy
- Ministry of Development of Turkey [DPT2006K-120470]
- National Science and Technology fund
- National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources AMP
- Institutional Development, Research and Innovation [B16F640076]
- STFC (United Kingdom)
- Suranaree University of Technology (SUT)
- Thailand Science Research and Innovation (TSRI)
- Royal Society, UK [DH140054, DH160214]
- Swedish Research Council
- U.S. Department of Energy [DE-FG02-05ER41374]
- National Science Research and Innovation Fund (NSRF) [160355]
Ask authors/readers for more resources
A search for a massless dark photon gamma' is conducted using 4.5 fb(-1) of e(+)e(-) collision data. No significant signal is observed and an upper limit on the branching fraction is determined to be 8.0 x 10(-5) at 90% confidence level.
A search for a massless dark photon gamma' is conducted using 4.5 fb(-1) of e(+)e(-) collision data collected at center-of-mass energies between 4.600 and 4.699 GeV with the BESIII detector at BEPCII. No significant signal is observed, and the upper limit on the branching fraction B(Lambda(+)(c) -> p gamma') is determined to be 8.0 x 10(-5) at 90% confidence level.
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