Lepton number violation in D meson decay
文献类型：期刊论文
| 作者 | Dong HR(董海荣); Dong, HR; Feng, F; Li, HB; 李海波(实)
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| 刊名 | CHINESE PHYSICS C
 |
| 出版日期 | 2015 |
| 卷号 | 39期号:1页码:13101 |
| 关键词 | Majorana neutrino D meson decay lepton number violating mixing matrix element |
| 通讯作者 | 董海荣 ; 李海波（实） |
| 英文摘要 | The lepton number violation (LNV) process can be induced by introducing a fourth generation heavy Majorana neutrino, which is coupled to the charged leptons of the Standard Model (SM). There have been many previous studies on the leptonic number violating decay processes with this mechanism. We follow the trend to study the process: D -> Kll pi with the same-sign dilepton final states. We restrict ourselves to certain neutrino mass regions, in which the heavy neutrino could be on-shell and the dominant contribution to the branching fraction comes from the resonance enhanced effect. Applying the narrow width approximation (NWA), we found that the upper limit for the branching fractions for D-0 -> K(-)l(+)l(+)pi(-) are generally at the order of 10(-12) to 10(-9), if we take the most stringent upper limit bound currently available in the literature for the mixing matrix elements. We also provide the constraints, which is competitive compared to the LNV B decays, on the mixing matrix element vertical bar V-eN vertical bar(2) based on the upper limit of D-0 -> K(-)e(+)e(-)pi(-) estimated from the Monte-Carlo (MC) study at BESIII. Although the constraints are worse than the ones from (0 nu beta beta) decay in the literature, the future experiment at the charm factory may yield more stringent constraints. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Nuclear ; Physics, Particles & Fields |
| 收录类别 | SCI ; CA |
| WOS记录号 | WOS:000347762100002 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/228187]  |
| 专题 | 高能物理研究所_实验物理中心 |
| 推荐引用方式 GB/T 7714 | Dong HR,Dong, HR,Feng, F,et al. Lepton number violation in D meson decay[J]. CHINESE PHYSICS C,2015,39(1):13101. |
| APA | 董海荣,Dong, HR,Feng, F,Li, HB,&李海波.(2015).Lepton number violation in D meson decay.CHINESE PHYSICS C,39(1),13101. |
| MLA | 董海荣,et al."Lepton number violation in D meson decay".CHINESE PHYSICS C 39.1(2015):13101. |
入库方式： OAI收割
来源：高能物理研究所
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