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Study of e(+)e(-)-> p(p)over-bar using initial state radiation with BABAR
BaBar Collaboration
2006
发表期刊PHYSICAL REVIEW D
卷号73期号:1
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
摘要The e(+)e(-) -> p (p) over bar cross section is determined over a range of p (p) over bar masses, from threshold to 4.5 GeV/c(2), by studying the e(+)e(-)-> p (p) over bar gamma process. The data set corresponds to an integrated luminosity of 232 fb(-1), collected with the BABAR detector at the PEP-II storage ring, at an e(+)e(-) center-of-mass energy of 10.6 GeV. The mass dependence of the ratio of electric and magnetic form factors, vertical bar G(E)/G(M)vertical bar, is measured for p (p) over bar masses below 3 GeV/c(2); its value is found to be significantly larger than 1 for masses up to 2.2 GeV/c(2). We also measure J/psi -> p (p) over bar and psi(2S) -> p (p) over bar branching fractions and set an upper limit on Y(4260) -> p (p) over bar production and decay.
关键词TIME-LIKE REGION ELECTROMAGNETIC FORM-FACTORS HARD-PHOTON-EMISSION BHABHA SCATTERING CROSS-SECTION FINAL-STATES TOTAL ENERGY MONTE-CARLO ANNIHILATION DECAYS
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.73.012005
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000235009900010
引用统计
被引频次:163[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212641
专题实验物理中心
作者单位中国科学院高能物理研究所
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BaBar Collaboration. Study of e(+)e(-)-> p(p)over-bar using initial state radiation with BABAR[J]. PHYSICAL REVIEW D,2006,73(1).
APA BaBar Collaboration.(2006).Study of e(+)e(-)-> p(p)over-bar using initial state radiation with BABAR.PHYSICAL REVIEW D,73(1).
MLA BaBar Collaboration."Study of e(+)e(-)-> p(p)over-bar using initial state radiation with BABAR".PHYSICAL REVIEW D 73.1(2006).
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