Journal
PHYSICAL REVIEW D
Volume 103, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.103.052010
Keywords
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Funding
- National Key Basic Research Program of China [2015CB856700]
- National Natural Science Foundation of China (NSFC) [11625523, 11635010, 11735014, 11822506, 11835012, 11935015, 11935016, 11935018, 11961141012]
- Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program
- Joint Large-Scale Scientific Facility Funds of the NSFC
- CAS [U1732263, U1832207]
- CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-SLH003, QYZDJ-SSW-SLH040]
- 100 Talents Program of CAS
- Shanghai Key Laboratory for Particle Physics and Cosmology
- ERC [758462]
- German Research Foundation DFG [CRC 1044, FOR 2359]
- Istituto Nazionale di Fisica Nucleare, Italy
- Ministry of Development of Turkey [DPT2006K-120470]
- National Science and Technology fund
- STFC (United Kingdom)
- Knut and Alice Wallenberg Foundation (Sweden) [2016.0157]
- Royal Society, UK [DH140054, DH160214]
- Swedish Research Council
- U.S. Department of Energy [DE-FG02-05ER41374, DE-SC0012069]
- Olle Engkvist Foundation [200-0605]
- U.S. Department of Energy (DOE) [DE-SC0012069] Funding Source: U.S. Department of Energy (DOE)
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No significant signals of chi(cJ)pi(+) pi(-) are observed, and upper limits are provided. These limits also serve as restrictions for a possible charmoniumlike structure.
We search for the process e(+)e(-) -> chi(cJ)pi(+) pi(-) (J = 0, 1, 2) and for a charged charmoniumlike state in the chi(cJ)pi +/- subsystem. The search uses datasets collected with the BESIII detector at the BEPCII storage ring at center-of-mass energies between 4.18 GeV and 4.60 GeV. No significant chi(cJ)pi(+) pi(-) signals are observed at any center-of-mass energy, and thus upper limits are provided which also serve as limits for a possible charmoniumlike structure in the invariant chi(cJ)pi +/- mass.
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