LHC dijet constraints on double beta decay

被引：15

作者：

Helo, J. C. ^{[1
]}

Hirsch, M. ^{[2
]}

机构：

[1] Univ Tecn Federico Santa Maria, Ctr Cient Tecnol Valparaiso, Valparaiso, Chile

[2] Univ Valencia, CSIC, AHEP Grp, Inst Fis Corpuscular, E-46071 Valencia, Spain

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 07期

关键词：

MAJORANA NEUTRINOS; LEPTON NUMBER; SEARCH;

D O I：

10.1103/PhysRevD.92.073017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We use LHC dijet data to derive constraints on neutrinoless double beta decay. Upper limits on cross sections for the production of "exotic" resonances, such as a right-handed W boson or a diquark, can be converted into lower limits on the double beta decay half-life for fixed choices of other parameters. Constraints derived from run-I data are already surprisingly strong and complementary to results from searches using same-sign dileptons plus jets. For the case of the left-right symmetric model, in case no new resonance is found in future runs of the LHC and assuming g(L) = g(R), we estimate a lower limit on the double beta decay half-life larger than 10(27) yr can be derived from future dijet data, except in the window of relatively light right-handed neutrino masses in the range 0.5 MeV to 50 GeV. Part of this mass window will be tested in the upcoming SHiP experiment. We also discuss current and future limits on possible scalar diquark contributions to double beta decay that can be derived from dijet data.

引用

页数：7

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