Production of B(c) or (B)over-bar(c) meson and its excited states via (t)over-bar-quark or t-quark decays
Chang, CH; Wang JX(王建雄); Wang, JX; Wu, XG
刊名PHYSICAL REVIEW D
2008
卷号77期号:1页码:14022
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.77.014022
通讯作者[Chang, Chao-Hsi] CCAST, World Lab, Beijing 100080, Peoples R China ; [Chang, Chao-Hsi] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China ; [Wang, Jian-Xiong] Acad Sinica, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Chang, Chao-Hsi ; Wu, Xing-Gang] Chongqing Univ, Dept Phys, Chongqing 400044, Peoples R China
文章类型Article
英文摘要The production of (b (c) over bar)-quarkonium ((B) over bar (c) meson and its excited states) or (c (b) over bar)-quarkonium (B(c) meson and its excited states) via top quark t or top antiquark (t) over bar decays, t ->(b (c) over bar)+c+W(+) or (t) over bar ->(c (b) over bar)+(c) over bar +W(-), respectively, is studied within the framework of NRQCD. In addition to the production of the two color-singlet S-wave states |(b (c) over bar)((1)S(0))(1)> or |(c (b) over bar)((1)S(0))(1)> and |(b (c) over bar)((3)S(1))(1)> or |(c (b) over bar)((3)S(1))(1)>, the production of the P-wave excited (b (c) over bar) or (c (b) over bar) states, i.e. the four color-singlet P-wave states |(b (c) over bar)((1)P(1))(1)> or |(c (b) over bar)((1)P(1))(1)>, and (b (c) over bar)((3)P(J))(1)> or (c (b) over bar)((3)P(J))(1)> (with J=(1,2,3)), is also studied. According to the velocity scaling rule of NRQCD, for the production of P-wave excited states the contributions from the two color-octet components |(b (c) over bar)((1)S(0))(8)> or |(c (b) over bar)((1)S(0))(8)> and |(b (c) over bar)((3)S(1))(8)> or |(c (b) over bar)((3)S(1))(8)> are also taken into account. We quantitatively discuss the possibility and the advantages in experimental studies of B(c) or (B) over bar (c) meson and its excited states via the indirect production at LHC in high luminosity runs and at LHC possible upgraded versions such as SLHC, DLHC, TLHC, etc. in the future.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000252863700044
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240436
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Chang, CH,Wang JX,Wang, JX,et al. Production of B(c) or (B)over-bar(c) meson and its excited states via (t)over-bar-quark or t-quark decays[J]. PHYSICAL REVIEW D,2008,77(1):14022.
APA Chang, CH,王建雄,Wang, JX,&Wu, XG.(2008).Production of B(c) or (B)over-bar(c) meson and its excited states via (t)over-bar-quark or t-quark decays.PHYSICAL REVIEW D,77(1),14022.
MLA Chang, CH,et al."Production of B(c) or (B)over-bar(c) meson and its excited states via (t)over-bar-quark or t-quark decays".PHYSICAL REVIEW D 77.1(2008):14022.
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