Right-handed interactions in puzzling B-decays
We explain the difference between the measured decay widths of b→cτν processes and of B→Kνν¯ and their values predicted in the Standard Model by introducing the right-handed interactions both to quarks and to leptons. At low energy scales, in addition to the Standard Model particles, we assume the p...
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Format: | Article |
Language: | English |
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Elsevier
2025-02-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269325000450 |
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author | Damir Bečirević Svjetlana Fajfer Nejc Košnik Lovre Pavičić |
author_facet | Damir Bečirević Svjetlana Fajfer Nejc Košnik Lovre Pavičić |
author_sort | Damir Bečirević |
collection | DOAJ |
description | We explain the difference between the measured decay widths of b→cτν processes and of B→Kνν¯ and their values predicted in the Standard Model by introducing the right-handed interactions both to quarks and to leptons. At low energy scales, in addition to the Standard Model particles, we assume the presence of an additional neutral lepton (right-handed neutrino). We then show a specific realization of such a scenario in a model with a single scalar leptoquark (S1), and discuss the corresponding phenomenology. |
format | Article |
id | doaj-art-d2d1adba072644b3a1fe3cb268980ad5 |
institution | Kabale University |
issn | 0370-2693 |
language | English |
publishDate | 2025-02-01 |
publisher | Elsevier |
record_format | Article |
series | Physics Letters B |
spelling | doaj-art-d2d1adba072644b3a1fe3cb268980ad52025-02-10T04:34:09ZengElsevierPhysics Letters B0370-26932025-02-01861139285Right-handed interactions in puzzling B-decaysDamir Bečirević0Svjetlana Fajfer1Nejc Košnik2Lovre Pavičić3IJCLab, Pôle Théorie (Bat. 210), CNRS/IN2P3 et Université Paris-Saclay, 91405 Orsay, FranceDepartment of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia; Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, SloveniaDepartment of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia; Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, SloveniaJožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia; Corresponding author.We explain the difference between the measured decay widths of b→cτν processes and of B→Kνν¯ and their values predicted in the Standard Model by introducing the right-handed interactions both to quarks and to leptons. At low energy scales, in addition to the Standard Model particles, we assume the presence of an additional neutral lepton (right-handed neutrino). We then show a specific realization of such a scenario in a model with a single scalar leptoquark (S1), and discuss the corresponding phenomenology.http://www.sciencedirect.com/science/article/pii/S0370269325000450 |
spellingShingle | Damir Bečirević Svjetlana Fajfer Nejc Košnik Lovre Pavičić Right-handed interactions in puzzling B-decays Physics Letters B |
title | Right-handed interactions in puzzling B-decays |
title_full | Right-handed interactions in puzzling B-decays |
title_fullStr | Right-handed interactions in puzzling B-decays |
title_full_unstemmed | Right-handed interactions in puzzling B-decays |
title_short | Right-handed interactions in puzzling B-decays |
title_sort | right handed interactions in puzzling b decays |
url | http://www.sciencedirect.com/science/article/pii/S0370269325000450 |
work_keys_str_mv | AT damirbecirevic righthandedinteractionsinpuzzlingbdecays AT svjetlanafajfer righthandedinteractionsinpuzzlingbdecays AT nejckosnik righthandedinteractionsinpuzzlingbdecays AT lovrepavicic righthandedinteractionsinpuzzlingbdecays |