Dark Matter and the elusive Z' in a dynamical Inverse Seesaw scenario [electronic resource]
Beyond Standard Model; Neutrino Physics.
Saved in:
| Online Access: |
Online Access (via OSTI) |
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| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. High Energy Physics Division ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2017.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Dark Matter and the elusive Z' in a dynamical Inverse Seesaw scenario |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. High Energy Physics Division ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2017. | ||
| 300 | |a 21 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 10/24/2017. | ||
| 500 | |a "fermilab-pub--17-285-t" | ||
| 500 | |a " ftuam--17-14" | ||
| 500 | |a " ift-uam-csic--17-070" | ||
| 500 | |a " arxiv:1707.08606" | ||
| 500 | |a "1613331" | ||
| 500 | |a Journal of High Energy Physics (Online) 2017 10 ISSN 1029-8479 AM. | ||
| 500 | |a Valentina De Romeri; Enrique Fernandez-Martinez; Julia Gehrlein; Pedro A. N. Machado; Viviana Niro. | ||
| 520 | 3 | |a The Inverse Seesaw naturally explains the smallness of neutrino masses via an approximate $B-L$ symmetry broken only by a correspondingly small parameter. In this work the possible dynamical generation of the Inverse Seesaw neutrino mass mechanism from the spontaneous breaking of a gauged $U(1)$ $B-L$ symmetry is investigated. Interestingly, the Inverse Seesaw pattern requires a chiral content such that anomaly cancellation predicts the existence of extra fermions belonging to a dark sector with large, non-trivial, charges under the $U(1)$ $B-L$. We investigate the phenomenology associated to these new states and find that one of them is a viable dark matter candidate with mass around the TeV scale, whose interaction with the Standard Model is mediated by the $Z'$ boson associated to the gauged $U(1)$ $B-L$ symmetry. Given the large charges required for anomaly cancellation in the dark sector, the $B-L$ $Z'$ interacts preferentially with this dark sector rather than with the Standard Model. This suppresses the rate at direct detection searches and thus alleviates the constraints on $Z'$-mediated dark matter relic abundance. Furthermore, the collider phenomenology of this elusive $Z'$ is also discussed. | |
| 520 | 0 | |a Beyond Standard Model; Neutrino Physics. | |
| 536 | |b AC02-07CH11359. | ||
| 650 | 7 | |a Physics Of Elementary Particles And Fields. |2 edbsc. | |
| 710 | 2 | |a Fermi National Accelerator Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b High Energy Physics Division. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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