Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e(+)e(-) annihilation at root s=10.58 GeV
Belle Collaboration
刊名PHYSICAL REVIEW D
2008
卷号78期号:3
关键词SINGLE-SPIN ASYMMETRIES FRAGMENTATION FUNCTIONS ORDER 1/Q POLARIZATION LEPTOPRODUCTION DISTRIBUTIONS SCATTERING COLLISIONS DETECTOR PHYSICS
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.78.032011
通讯作者Seidl, R (reprint author), Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
英文摘要The Collins effect connects transverse quark spin with a measurable azimuthal asymmetry in the yield of hadronic fragments around the quark's momentum vector. Using two different reconstruction methods we measure statistically significant azimuthal asymmetries for charged pion pairs in e(+)e(-) annihilation at center-of-mass energies of 10.52 GeV and 10.58 GeV, which can be attributed to the fragmentation of primordial quarks with transverse spin components. The measurement was performed using a data set of 547 fb(-1) collected by the Belle detector at KEKB improving the statistics of the previously published results by nearly a factor of 20.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000258975300015
引用统计
被引频次:128[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/311005/212870
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. Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e(+)e(-) annihilation at root s=10.58 GeV[J]. PHYSICAL REVIEW D,2008,78(3).
APA Belle Collaboration.(2008).Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e(+)e(-) annihilation at root s=10.58 GeV.PHYSICAL REVIEW D,78(3).
MLA Belle Collaboration."Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e(+)e(-) annihilation at root s=10.58 GeV".PHYSICAL REVIEW D 78.3(2008).
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