R-parity violating decays of Bino neutralino LSPs at the LHC
Abstract The R-parity violating decays of Bino neutralino LSPs are analyzed within the context of the B − L MSSM “heterotic standard model”. These LSPs correspond to statistically determined initial soft supersymmetry breaking parameters which, when evolved using the renormalization group equations,...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2019-12-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP12(2019)042 |
| _version_ | 1818562749008969728 |
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| author | Sebastian Dumitru Christian Herwig Burt A. Ovrut |
| author_facet | Sebastian Dumitru Christian Herwig Burt A. Ovrut |
| author_sort | Sebastian Dumitru |
| collection | DOAJ |
| description | Abstract The R-parity violating decays of Bino neutralino LSPs are analyzed within the context of the B − L MSSM “heterotic standard model”. These LSPs correspond to statistically determined initial soft supersymmetry breaking parameters which, when evolved using the renormalization group equations, lead to an effective theory satisfying all phenomenological requirements; including the observed electroweak vector boson masses and the Higgs mass. The explicit RPV decay channels of these LSPs into standard model particles, the analytic and numerical decay rates and the associated branching ratios are presented. The analysis of these quantities breaks into two separate calculations; first, for Bino neutralino LSPs with mass larger than M W ± and, second, when the Bino neutralino mass is smaller than the electroweak scale. The RPV decay processes in both of these regions is analyzed in detail. The decay lengths of these RPV interactions are discussed. It is shown that for heavy Bino neutralino LSPs the vast majority of these decays are “prompt”, although a small, but calculable, number correspond to “displaced” decays of various lengths. The situation is reversed for light Bino LSPs, only a small number of which can RPV decay promptly. The relation of these results to the neutrino hierarchy — either normal or inverted — is discussed in detail. |
| first_indexed | 2024-12-14T01:07:50Z |
| format | Article |
| id | doaj.art-e932810ab53d4e7ebd93ebdec3ef1e39 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-12-14T01:07:50Z |
| publishDate | 2019-12-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-e932810ab53d4e7ebd93ebdec3ef1e392022-12-21T23:22:54ZengSpringerOpenJournal of High Energy Physics1029-84792019-12-0120191214910.1007/JHEP12(2019)042R-parity violating decays of Bino neutralino LSPs at the LHCSebastian Dumitru0Christian Herwig1Burt A. Ovrut2Department of Physics and Astronomy, University of PennsylvaniaDepartment of Physics and Astronomy, University of PennsylvaniaDepartment of Physics and Astronomy, University of PennsylvaniaAbstract The R-parity violating decays of Bino neutralino LSPs are analyzed within the context of the B − L MSSM “heterotic standard model”. These LSPs correspond to statistically determined initial soft supersymmetry breaking parameters which, when evolved using the renormalization group equations, lead to an effective theory satisfying all phenomenological requirements; including the observed electroweak vector boson masses and the Higgs mass. The explicit RPV decay channels of these LSPs into standard model particles, the analytic and numerical decay rates and the associated branching ratios are presented. The analysis of these quantities breaks into two separate calculations; first, for Bino neutralino LSPs with mass larger than M W ± and, second, when the Bino neutralino mass is smaller than the electroweak scale. The RPV decay processes in both of these regions is analyzed in detail. The decay lengths of these RPV interactions are discussed. It is shown that for heavy Bino neutralino LSPs the vast majority of these decays are “prompt”, although a small, but calculable, number correspond to “displaced” decays of various lengths. The situation is reversed for light Bino LSPs, only a small number of which can RPV decay promptly. The relation of these results to the neutrino hierarchy — either normal or inverted — is discussed in detail.https://doi.org/10.1007/JHEP12(2019)042Supersymmetry Phenomenology |
| spellingShingle | Sebastian Dumitru Christian Herwig Burt A. Ovrut R-parity violating decays of Bino neutralino LSPs at the LHC Journal of High Energy Physics Supersymmetry Phenomenology |
| title | R-parity violating decays of Bino neutralino LSPs at the LHC |
| title_full | R-parity violating decays of Bino neutralino LSPs at the LHC |
| title_fullStr | R-parity violating decays of Bino neutralino LSPs at the LHC |
| title_full_unstemmed | R-parity violating decays of Bino neutralino LSPs at the LHC |
| title_short | R-parity violating decays of Bino neutralino LSPs at the LHC |
| title_sort | r parity violating decays of bino neutralino lsps at the lhc |
| topic | Supersymmetry Phenomenology |
| url | https://doi.org/10.1007/JHEP12(2019)042 |
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