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Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV
Belle Collaboration
2014
发表期刊PHYSICAL REVIEW LETTERS
卷号113期号:14
通讯作者He, XH (reprint author), Peking Univ, Beijing 100871, Peoples R China.
摘要The e(+)e(-) -> pi(+)pi(-) pi(0)chi(bj) ( J = 0, 1, 2) processes are studied using a 118 fb(-1) data sample acquired with the Belle detector at a center-of-mass energy of 10.867 GeV. Unambiguous pi(+)pi(-) pi(0)chi(bj) ( J = 1, 2), omega chi(b1) signals are observed, and indication for omega chi(b2) is seen, both for the first time, and the corresponding cross section measurements are presented. No significant pi(+)pi(-) pi(0)chi(b0) or omega chi(b0) signals are observed, and 90% confidence level upper limits on the cross sections for these two processes are obtained. In the pi(+)pi(-) pi(0) invariant mass spectrum, significant non-omega signals are also observed. We search for the X(3872)-like state (named X-b) decaying into omega Upsilon(1S); no significant signal is observed with a mass between 10.55 and 10.65 GeV= c(2).
关键词CROSS-SECTION BELLE DECAYS IDENTIFICATION TETRAQUARKS EMISSION KEKB
学科领域Physics
DOI10.1103/PhysRevLett.113.142001
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000343666500003
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213795
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
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Belle Collaboration. Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV[J]. PHYSICAL REVIEW LETTERS,2014,113(14).
APA Belle Collaboration.(2014).Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV.PHYSICAL REVIEW LETTERS,113(14).
MLA Belle Collaboration."Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV".PHYSICAL REVIEW LETTERS 113.14(2014).
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