Neutralino dark matter and other LHC predictions from quasi Yukawa unification
We explore the dark matter and LHC implications of t−b−τ quasi Yukawa unification in the framework of supersymmetric models based on the gauge symmetry G=SU(4)c×SU(2)L×SU(2)R. The deviation from exact Yukawa unification is quantified by a dimensionless parameter C (|C|≲0.2), such that the Yukawa cou...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2015-11-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321315003387 |
| _version_ | 1819180422562578432 |
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| author | Qaisar Shafi Şükrü Hanif Tanyıldızı Cem Salih Ün |
| author_facet | Qaisar Shafi Şükrü Hanif Tanyıldızı Cem Salih Ün |
| author_sort | Qaisar Shafi |
| collection | DOAJ |
| description | We explore the dark matter and LHC implications of t−b−τ quasi Yukawa unification in the framework of supersymmetric models based on the gauge symmetry G=SU(4)c×SU(2)L×SU(2)R. The deviation from exact Yukawa unification is quantified by a dimensionless parameter C (|C|≲0.2), such that the Yukawa couplings at MGUT are related by yt:yb:yτ=|1+C|:|1−C|:|1+3C|. In contrast to earlier studies which focused on universal gaugino masses, we consider non-universal gaugino masses at MGUT that are compatible with the gauge symmetry G. Our results reveal a variety of neutralino dark matter scenarios consistent with the observations. These include stau and chargino coannihilation scenarios, the A-resonance scenario, as well as Higgsino dark matter solutions which are more readily probed by direct detection searches. The gluino mass is found to be ≲4 TeV, the stop mass is ≳2 TeV, while the first two family squarks and sleptons are of order 4–5 TeV and 3 TeV respectively. |
| first_indexed | 2024-12-22T22:14:05Z |
| format | Article |
| id | doaj.art-8934bc208fa24eb29d488fb4c095b5db |
| institution | Directory Open Access Journal |
| issn | 0550-3213 1873-1562 |
| language | English |
| last_indexed | 2024-12-22T22:14:05Z |
| publishDate | 2015-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Nuclear Physics B |
| spelling | doaj.art-8934bc208fa24eb29d488fb4c095b5db2022-12-21T18:10:48ZengElsevierNuclear Physics B0550-32131873-15622015-11-01900C40041110.1016/j.nuclphysb.2015.09.019Neutralino dark matter and other LHC predictions from quasi Yukawa unificationQaisar Shafi0Şükrü Hanif Tanyıldızı1Cem Salih Ün2Bartol Research Institute, Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USABogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, RussiaDepartment of Physics, Uludağ University, Bursa TR16059, TurkeyWe explore the dark matter and LHC implications of t−b−τ quasi Yukawa unification in the framework of supersymmetric models based on the gauge symmetry G=SU(4)c×SU(2)L×SU(2)R. The deviation from exact Yukawa unification is quantified by a dimensionless parameter C (|C|≲0.2), such that the Yukawa couplings at MGUT are related by yt:yb:yτ=|1+C|:|1−C|:|1+3C|. In contrast to earlier studies which focused on universal gaugino masses, we consider non-universal gaugino masses at MGUT that are compatible with the gauge symmetry G. Our results reveal a variety of neutralino dark matter scenarios consistent with the observations. These include stau and chargino coannihilation scenarios, the A-resonance scenario, as well as Higgsino dark matter solutions which are more readily probed by direct detection searches. The gluino mass is found to be ≲4 TeV, the stop mass is ≳2 TeV, while the first two family squarks and sleptons are of order 4–5 TeV and 3 TeV respectively.http://www.sciencedirect.com/science/article/pii/S0550321315003387 |
| spellingShingle | Qaisar Shafi Şükrü Hanif Tanyıldızı Cem Salih Ün Neutralino dark matter and other LHC predictions from quasi Yukawa unification Nuclear Physics B |
| title | Neutralino dark matter and other LHC predictions from quasi Yukawa unification |
| title_full | Neutralino dark matter and other LHC predictions from quasi Yukawa unification |
| title_fullStr | Neutralino dark matter and other LHC predictions from quasi Yukawa unification |
| title_full_unstemmed | Neutralino dark matter and other LHC predictions from quasi Yukawa unification |
| title_short | Neutralino dark matter and other LHC predictions from quasi Yukawa unification |
| title_sort | neutralino dark matter and other lhc predictions from quasi yukawa unification |
| url | http://www.sciencedirect.com/science/article/pii/S0550321315003387 |
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