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Title: Directly detecting isospin-violating dark matter

Abstract

We consider the prospects for multiple dark matter direct detection experiments to determine if the interactions of a dark matter candidate are isospin-violating. We focus on theoretically well-motivated examples of isospin-violating dark matter (IVDM), including models in which dark matter interactions with nuclei are mediated by a dark photon, a Z , or a squark. We determine that the best prospects for distinguishing IVDM from the isospin-invariant scenario arise in the cases of dark photon–or Z -mediated interactions, and that the ideal experimental scenario would consist of large exposure xenon- and neon-based detectors. If such models just evade current direct detection limits, then one could distinguish such models from the standard isospin-invariant case with two detectors with of order 100 ton-year exposure.

Authors:
; ; ;
Publication Date:
Research Org.:
Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); National Aeronautics and Space Administration (NASA); National Science Foundation (NSF)
Contributing Org.:
NASA Florida Space Grant Consortium
OSTI Identifier:
1424533
Alternate Identifier(s):
OSTI ID: 1498835
Grant/Contract Number:  
SC0010504; PHY-1250573; PHY-1720282; PHY-1607611
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 97 Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Kelso, Chris, Kumar, Jason, Marfatia, Danny, and Sandick, Pearl. Directly detecting isospin-violating dark matter. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.97.056004.
Kelso, Chris, Kumar, Jason, Marfatia, Danny, & Sandick, Pearl. Directly detecting isospin-violating dark matter. United States. doi:10.1103/PhysRevD.97.056004.
Kelso, Chris, Kumar, Jason, Marfatia, Danny, and Sandick, Pearl. Wed . "Directly detecting isospin-violating dark matter". United States. doi:10.1103/PhysRevD.97.056004.
@article{osti_1424533,
title = {Directly detecting isospin-violating dark matter},
author = {Kelso, Chris and Kumar, Jason and Marfatia, Danny and Sandick, Pearl},
abstractNote = {We consider the prospects for multiple dark matter direct detection experiments to determine if the interactions of a dark matter candidate are isospin-violating. We focus on theoretically well-motivated examples of isospin-violating dark matter (IVDM), including models in which dark matter interactions with nuclei are mediated by a dark photon, a Z , or a squark. We determine that the best prospects for distinguishing IVDM from the isospin-invariant scenario arise in the cases of dark photon–or Z -mediated interactions, and that the ideal experimental scenario would consist of large exposure xenon- and neon-based detectors. If such models just evade current direct detection limits, then one could distinguish such models from the standard isospin-invariant case with two detectors with of order 100 ton-year exposure.},
doi = {10.1103/PhysRevD.97.056004},
journal = {Physical Review D},
number = 5,
volume = 97,
place = {United States},
year = {2018},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.97.056004

Citation Metrics:
Cited by: 1 work
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