A natural scotogenic model for neutrino mass & dark matter
In this letter, we propose an extension of the scotogenic model where singlet Majorana particle can be dark matter (DM) without the need of a highly suppressed scalar coupling of the order O(10−10). For that, the SM is extended with three singlet Majorana fermions, an inert scalar doublet, and two (...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2021-03-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269321000174 |
| _version_ | 1819142781109534720 |
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| author | Amine Ahriche Adil Jueid Salah Nasri |
| author_facet | Amine Ahriche Adil Jueid Salah Nasri |
| author_sort | Amine Ahriche |
| collection | DOAJ |
| description | In this letter, we propose an extension of the scotogenic model where singlet Majorana particle can be dark matter (DM) without the need of a highly suppressed scalar coupling of the order O(10−10). For that, the SM is extended with three singlet Majorana fermions, an inert scalar doublet, and two (a complex and a real) singlet scalars, with a global Z4 symmetry that is spontaneously broken into Z2 at a scale higher than the electroweak one by the vev of the complex singlet scalar. In this setup, the smallness of neutrino mass is achieved via the cancellation between three diagrams a la scotogenic, a DM candidate that is viable for a large mass range; and the phenomenology is richer than the minimal scotogenic model. |
| first_indexed | 2024-12-22T12:15:48Z |
| format | Article |
| id | doaj.art-c66deea3d9a54e6fa9b1e6420c583fc1 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-22T12:15:48Z |
| publishDate | 2021-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-c66deea3d9a54e6fa9b1e6420c583fc12022-12-21T18:26:09ZengElsevierPhysics Letters B0370-26932021-03-01814136077A natural scotogenic model for neutrino mass & dark matterAmine Ahriche0Adil Jueid1Salah Nasri2Department of Applied Physics and Astronomy, University of Sharjah, P.O. Box 27272 Sharjah, United Arab Emirates; The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, I-34014, Trieste, Italy; Laboratoire de Physique des Particules et Physique Statistique, Ecole Normale Superieure, BP 92 Vieux Kouba, DZ-16050 Algiers, AlgeriaDepartment of Physics, Konkuk University, Seoul 05029, Republic of KoreaDepartment of physics, United Arab Emirates University, Al-Ain, United Arab Emirates; The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, I-34014, Trieste, Italy; Corresponding author.In this letter, we propose an extension of the scotogenic model where singlet Majorana particle can be dark matter (DM) without the need of a highly suppressed scalar coupling of the order O(10−10). For that, the SM is extended with three singlet Majorana fermions, an inert scalar doublet, and two (a complex and a real) singlet scalars, with a global Z4 symmetry that is spontaneously broken into Z2 at a scale higher than the electroweak one by the vev of the complex singlet scalar. In this setup, the smallness of neutrino mass is achieved via the cancellation between three diagrams a la scotogenic, a DM candidate that is viable for a large mass range; and the phenomenology is richer than the minimal scotogenic model.http://www.sciencedirect.com/science/article/pii/S0370269321000174 |
| spellingShingle | Amine Ahriche Adil Jueid Salah Nasri A natural scotogenic model for neutrino mass & dark matter Physics Letters B |
| title | A natural scotogenic model for neutrino mass & dark matter |
| title_full | A natural scotogenic model for neutrino mass & dark matter |
| title_fullStr | A natural scotogenic model for neutrino mass & dark matter |
| title_full_unstemmed | A natural scotogenic model for neutrino mass & dark matter |
| title_short | A natural scotogenic model for neutrino mass & dark matter |
| title_sort | natural scotogenic model for neutrino mass amp dark matter |
| url | http://www.sciencedirect.com/science/article/pii/S0370269321000174 |
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