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Chen, T; Chen, Y; Gong, M; Lei, YH; Li, N; Liu, C; Liu, YB; Liu, ZF; Ma, JP; Qiu, WF; Wang, ZL; Zhang, JB; Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.; Liu, C (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.; Liu, C (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China. | |
Two-photon decays of from lattice QCD | |
发表期刊 | EUROPEAN PHYSICAL JOURNAL C |
语种 | 英语 |
摘要 | We present an exploratory lattice study for the two-photon decay of using twisted mass lattice QCD gauge configurations generated by the European Twisted Mass Collaboration. Two different lattice spacings of fm and fm are used in the study, both of which are of physical size of 2 fm. The decay widths are found to be 1.025(5) KeV for the coarser lattice and 1.062(5) KeV for the finer lattice, respectively, where the errors are purely statistical. A naive extrapolation toward the continuum limit yields KeV, which is smaller than the previous quenched result and most of the current experimental results. Possible reasons are discussed. |
2016 | |
卷号 | 76期号:7页码:358 |
学科领域 | Physics |
DOI | http://dx.doi.org/10.1140/epjc/s10052-016-4212-8 |
收录类别 | SCI |
项目资助者 | National Science Foundation of China (NSFC) [11505132, 11335001, 11275169, 11405178, 11575197] ; National Science Foundation of China (NSFC) [11505132, 11335001, 11275169, 11405178, 11575197] ; National Science Foundation of China (NSFC) [11505132, 11335001, 11275169, 11405178, 11575197] ; National Science Foundation of China (NSFC) [11505132, 11335001, 11275169, 11405178, 11575197] ; DFG ; DFG ; DFG ; DFG ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; NSFC [11261130311] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; National Basic Research Program of China (973 Program) [2015CB856700] ; CAS [2013013, 2011013] ; CAS [2013013, 2011013] ; CAS [2013013, 2011013] ; CAS [2013013, 2011013] ; Scientific Research Program - Shaanxi Provincial Education Department [15JK1348] ; Scientific Research Program - Shaanxi Provincial Education Department [15JK1348] ; Scientific Research Program - Shaanxi Provincial Education Department [15JK1348] ; Scientific Research Program - Shaanxi Provincial Education Department [15JK1348] ; Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ1009] ; Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ1009] ; Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ1009] ; Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ1009] |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/21608 |
专题 | SCI期刊论文 |
通讯作者 | Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.; Liu, C (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.; Liu, C (reprint author), Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China. |
推荐引用方式 GB/T 7714 | Chen, T,Chen, Y,Gong, M,et al. Two-photon decays of from lattice QCD[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(7):358. |
APA | Chen, T.,Chen, Y.,Gong, M.,Lei, YH.,Li, N.,...&Liu, C .(2016).Two-photon decays of from lattice QCD.EUROPEAN PHYSICAL JOURNAL C,76(7),358. |
MLA | Chen, T,et al."Two-photon decays of from lattice QCD".EUROPEAN PHYSICAL JOURNAL C 76.7(2016):358. |
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