Observation of New Resonant Structures in gamma gamma -> omega phi, phi phi, and omega omega
Belle Collaboration
刊名PHYSICAL REVIEW LETTERS
2012
卷号108期号:23
关键词MULTIQUARK HADRONS Q2QBAR2 MESONS GAMMA-GAMMA->RHO+RHO COLLISIONS BELLE ENERGIES DETECTOR STATES
学科分类Physics
DOI10.1103/PhysRevLett.108.232001
通讯作者Liu, ZQ (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China.
英文摘要The processes gamma gamma -> omega phi,phi phi, and omega omega are measured using an 870 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Production of vector meson pairs is clearly observed and their cross sections are measured for masses that range from threshold to 4.0 GeV. In addition to signals from well established spin-zero and spin-two charmonium states, there are resonant structures below charmonium threshold, which have not been previously observed. We report a spin-parity analysis for the new structures and determine the products of the eta(c), chi(c0), and chi(c2) two-photon decay widths and branching fractions to omega phi,phi phi, and omega omega.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000305032100009
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被引频次:6[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/311005/213254
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Belle Collaboration. Observation of New Resonant Structures in gamma gamma -> omega phi, phi phi, and omega omega[J]. PHYSICAL REVIEW LETTERS,2012,108(23).
APA Belle Collaboration.(2012).Observation of New Resonant Structures in gamma gamma -> omega phi, phi phi, and omega omega.PHYSICAL REVIEW LETTERS,108(23).
MLA Belle Collaboration."Observation of New Resonant Structures in gamma gamma -> omega phi, phi phi, and omega omega".PHYSICAL REVIEW LETTERS 108.23(2012).
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