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CP test in J/psi -> gamma phi phi decay
Ma, JP; Ping RG(平荣刚); Zou BS(邹冰松); Ping, RG; Zou, BS
Source PublicationPHYSICS LETTERS B
Corresponding AuthorMa, JP (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
AbstractWe propose to test CP symmetry in the decay J/psi --> gammaphiphi, for which large data sample exists at BESII, and a data sample of 10(10) J/psi's will be collected with BESIII and CLEO-C program. We suggest some CP asymmetries in this decay mode for CP test. Assuming that CP violation is introduced by the electric- and chromo-dipole moment of charm quark, these CP asymmetries can be predicted by using valence quark models. Our work shows a possible way to get information about the electric- and chromo-dipole moment of charm quark, which is little known. Our results show that with the current data sample of J/psi, electric- and chromo-dipole moment can be probed at order of 10(-13) ecm. In the near future with a 10(10) data sample, these moments can be probed at order of 10(-14) ecm. (C) 2003 Elsevier B.V. All rights reserved.
Subject AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000188413000009
ADS Bibcode2004PhLB..580..163M
ADS URLhttps://ui.adsabs.harvard.edu/abs/2004PhLB..580..163M
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2004PhLB..580..163M/citations
Citation statistics
Cited Times:4 [INSPIRE]
Cited Times:3 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Ma, JP,Ping RG,Zou BS,et al. CP test in J/psi -> gamma phi phi decay[J]. PHYSICS LETTERS B,2004,580(3-4):#REF!.
APA Ma, JP,平荣刚,邹冰松,Ping, RG,&Zou, BS.(2004).CP test in J/psi -> gamma phi phi decay.PHYSICS LETTERS B,580(3-4),#REF!.
MLA Ma, JP,et al."CP test in J/psi -> gamma phi phi decay".PHYSICS LETTERS B 580.3-4(2004):#REF!.
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