Relativistic corrections to exclusive x(cJ) + gamma production from e(+)e(-) annihilation
文献类型：期刊论文
| 作者 | Jia, Y ; Chen, W; Jia Y(贾宇); Chen W(陈文); Brambilla, N; Vairo, A; Shtabovenko, V
|
| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2018 |
| 卷号 | 97期号:9页码:96001 |
| ISSN号 | 2470-0010 |
| DOI | 10.1103/PhysRevD.97.096001 |
| 文献子类 | Article |
| 英文摘要 | We calculate in the nonrelativistic QCD (NRQCD) factorization framework all leading relativistic corrections to the exclusive production of x(cJ) + gamma in e(+) e(-) annihilation. In particular, we compute for the first time contributions induced by octet operators with a chromoelectric field. The matching coefficients multiplying production long distance matrix elements (LDMEs) are determined through perturbative matching between QCD and NRQCD at the amplitude level. Technical challenges encountered in the nonrelativistic expansion of the QCD amplitudes are discussed in detail. The main source of uncertainty comes from the not so well known LDMEs. Accounting for it, we provide the following estimates for the production cross sections at root s = 10.6GeV: sigma(e(+)e(-) -> x(cl)+ gamma) = (1.4 +/- 0.3) fb, sigma(e(+)e(- )-> x + gamma) = (15.0 +/- 3.3) fb, and sigma(e(+)e(-) -> x(c2) + gamma) = (4.5 +/- 1.4) fb. |
| 电子版国际标准刊号 | 2470-0029 |
| WOS关键词 | HADRONIC PRODUCTION ; FEYNMAN DIAGRAMS ; QUARKONIUM ; ANNIHILATION ; DECAYS ; AMPLITUDES ; RUNDEC |
| WOS研究方向 | Astronomy & Astrophysics ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000432962900008 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/285931]  |
| 专题 | 高能物理研究所_多学科研究中心 高能物理研究所_理论物理室 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Jia, Y,Chen, W,Jia Y,et al. Relativistic corrections to exclusive x(cJ) + gamma production from e(+)e(-) annihilation[J]. PHYSICAL REVIEW D,2018,97(9):96001. |
| APA | Jia, Y.,Chen, W.,贾宇.,陈文.,Brambilla, N.,...&Shtabovenko, V.(2018).Relativistic corrections to exclusive x(cJ) + gamma production from e(+)e(-) annihilation.PHYSICAL REVIEW D,97(9),96001. |
| MLA | Jia, Y,et al."Relativistic corrections to exclusive x(cJ) + gamma production from e(+)e(-) annihilation".PHYSICAL REVIEW D 97.9(2018):96001. |
入库方式： OAI收割
来源：高能物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。