Measurements of cross section of at center-of-mass energies between 4.008 and 4.600 GeV
Journal Article
·
· Physics Letters. B
Based on e+e- annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center-of-mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of e+e-→$$p\bar{p}$$π0 are then performed. No significant resonant structure is observed in the measured energy dependence of the cross section. The upper limit on the Born cross section of e+e-→Y (4260) →$$p\bar{p}$$π0 at the 90% C.L. is determined to be 0.01 pb. The upper limit on the ratio of the branching fractions B(Y(4260)→$$p\bar{p}$$π0) / B(Y(4260)→π+π- J/ψ) at the 90% C.L. is determined to be 0.02%.
- Research Organization:
- Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Contributing Organization:
- BESIII collaboration
- Grant/Contract Number:
- FG02-05ER41374; SC0010118; SC0012069; SC-0010504; 2015CB856700; 11235011; 11305178; 11322544; 11335008; 11375204; 11425524; 11635010; U1232201; U1332201; U1532257; U1532258; KJCX2-YW-N29; KJCX2-YW-N45; CRC 1044; FOR 2359; 530-4CDP03; DPT2006K-120470; R32-2008-000-10155-0
- OSTI ID:
- 1405528
- Alternate ID(s):
- OSTI ID: 1430117
- Journal Information:
- Physics Letters. B, Journal Name: Physics Letters. B Vol. 771 Journal Issue: C; ISSN 0370-2693
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- Netherlands
- Language:
- English
Cited by: 18 works
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