Probing the νR-philic Z′ at DUNE near detectors
We consider a hidden U(1) gauge symmetry under which only the right-handed neutrinos (νR) are charged. The corresponding gauge boson is referred to as the νR-philic Z′. Despite the absence of direct gauge couplings to ordinary matter at tree level, loop-induced couplings of the νR-philic Z′ via left...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-06-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269323002411 |
| _version_ | 1797822149697732608 |
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| author | Garv Chauhan P.S. Bhupal Dev Xun-Jie Xu |
| author_facet | Garv Chauhan P.S. Bhupal Dev Xun-Jie Xu |
| author_sort | Garv Chauhan |
| collection | DOAJ |
| description | We consider a hidden U(1) gauge symmetry under which only the right-handed neutrinos (νR) are charged. The corresponding gauge boson is referred to as the νR-philic Z′. Despite the absence of direct gauge couplings to ordinary matter at tree level, loop-induced couplings of the νR-philic Z′ via left-right neutrino mixing can be responsible for its experimental accessibility. An important feature of the νR-philic Z′ is that its couplings to neutrinos are generally much larger than its couplings to charged leptons and quarks, thus providing a particularly interesting scenario for future neutrino experiments such as DUNE to probe. We consider two approaches to probe the νR-philic Z′ at DUNE near detectors via (i) searching for Z′ decay signals, and (ii) precision measurement of elastic neutrino-electron scattering mediated by the Z′ boson. We show that the former will have sensitivity comparable to or better than previous beam dump experiments, while the latter will improve current limits substantially for large neutrino couplings. |
| first_indexed | 2024-03-13T10:03:40Z |
| format | Article |
| id | doaj.art-d4ef27ae6015447d9937015d6de58ac2 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-03-13T10:03:40Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-d4ef27ae6015447d9937015d6de58ac22023-05-23T04:20:43ZengElsevierPhysics Letters B0370-26932023-06-01841137907Probing the νR-philic Z′ at DUNE near detectorsGarv Chauhan0P.S. Bhupal Dev1Xun-Jie Xu2Centre for Cosmology, Particle Physics and Phenomenology (CP3), Université catholique de Louvain, Chemin du Cyclotron 2, B-1348 Louvain-la-Neuve, Belgium; Department of Physics and McDonnell Center for the Space Sciences, Washington University, St. Louis, MO 63130, USADepartment of Physics and McDonnell Center for the Space Sciences, Washington University, St. Louis, MO 63130, USAInstitute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, ChinaWe consider a hidden U(1) gauge symmetry under which only the right-handed neutrinos (νR) are charged. The corresponding gauge boson is referred to as the νR-philic Z′. Despite the absence of direct gauge couplings to ordinary matter at tree level, loop-induced couplings of the νR-philic Z′ via left-right neutrino mixing can be responsible for its experimental accessibility. An important feature of the νR-philic Z′ is that its couplings to neutrinos are generally much larger than its couplings to charged leptons and quarks, thus providing a particularly interesting scenario for future neutrino experiments such as DUNE to probe. We consider two approaches to probe the νR-philic Z′ at DUNE near detectors via (i) searching for Z′ decay signals, and (ii) precision measurement of elastic neutrino-electron scattering mediated by the Z′ boson. We show that the former will have sensitivity comparable to or better than previous beam dump experiments, while the latter will improve current limits substantially for large neutrino couplings.http://www.sciencedirect.com/science/article/pii/S0370269323002411 |
| spellingShingle | Garv Chauhan P.S. Bhupal Dev Xun-Jie Xu Probing the νR-philic Z′ at DUNE near detectors Physics Letters B |
| title | Probing the νR-philic Z′ at DUNE near detectors |
| title_full | Probing the νR-philic Z′ at DUNE near detectors |
| title_fullStr | Probing the νR-philic Z′ at DUNE near detectors |
| title_full_unstemmed | Probing the νR-philic Z′ at DUNE near detectors |
| title_short | Probing the νR-philic Z′ at DUNE near detectors |
| title_sort | probing the νr philic z at dune near detectors |
| url | http://www.sciencedirect.com/science/article/pii/S0370269323002411 |
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