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Title: Flavored dark matter beyond Minimal Flavor Violation

Abstract

We study the interplay of flavor and dark matter phenomenology for models of flavored dark matter interacting with quarks. We allow an arbitrary flavor structure in the coupling of dark matter with quarks. This coupling is assumed to be the only new source of violation of the Standard Model flavor symmetry extended by a U(3) χ associated with the dark matter. We call this ansatz Dark Minimal Flavor Violation (DMFV) and highlight its various implications, including an unbroken discrete symmetry that can stabilize the dark matter. As an illustration we study a Dirac fermionic dark matter χ which transforms as triplet under U(3) χ , and is a singlet under the Standard Model. The dark matter couples to right-handed down-type quarks via a colored scalar mediator Φ with a coupling λ. We identify a number of “flavor-safe” scenarios for the structure of λ which are beyond Minimal Flavor Violation. Also, for dark matter and collider phenomenology we focus on the well-motivated case of b-flavored dark matter. Furthermore, the combined flavor and dark matter constraints on the parameter space of λ turn out to be interesting intersections of the individual ones. LHC constraints on simplified models of squarks and sbottoms canmore » be adapted to our case, and monojet searches can be relevant if the spectrum is compressed.« less

Authors:
 [1];  [2];  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1226278
Report Number(s):
FERMILAB-PUB-14-141-T; CERN-PH-TH-2014-098
Journal ID: ISSN 1029-8479; arXiv eprint number arXiv:1405.6709; TRN: US1500538
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2014; Journal Issue: 72; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; beyond standard model; cosmology of theories beyond the SM; B-physics; Kaon physics

Citation Formats

Agrawal, Prateek, Blanke, Monika, and Gemmler, Katrin. Flavored dark matter beyond Minimal Flavor Violation. United States: N. p., 2014. Web. doi:10.1007/JHEP10(2014)072.
Agrawal, Prateek, Blanke, Monika, & Gemmler, Katrin. Flavored dark matter beyond Minimal Flavor Violation. United States. doi:10.1007/JHEP10(2014)072.
Agrawal, Prateek, Blanke, Monika, and Gemmler, Katrin. Mon . "Flavored dark matter beyond Minimal Flavor Violation". United States. doi:10.1007/JHEP10(2014)072. https://www.osti.gov/servlets/purl/1226278.
@article{osti_1226278,
title = {Flavored dark matter beyond Minimal Flavor Violation},
author = {Agrawal, Prateek and Blanke, Monika and Gemmler, Katrin},
abstractNote = {We study the interplay of flavor and dark matter phenomenology for models of flavored dark matter interacting with quarks. We allow an arbitrary flavor structure in the coupling of dark matter with quarks. This coupling is assumed to be the only new source of violation of the Standard Model flavor symmetry extended by a U(3) χ associated with the dark matter. We call this ansatz Dark Minimal Flavor Violation (DMFV) and highlight its various implications, including an unbroken discrete symmetry that can stabilize the dark matter. As an illustration we study a Dirac fermionic dark matter χ which transforms as triplet under U(3) χ , and is a singlet under the Standard Model. The dark matter couples to right-handed down-type quarks via a colored scalar mediator Φ with a coupling λ. We identify a number of “flavor-safe” scenarios for the structure of λ which are beyond Minimal Flavor Violation. Also, for dark matter and collider phenomenology we focus on the well-motivated case of b-flavored dark matter. Furthermore, the combined flavor and dark matter constraints on the parameter space of λ turn out to be interesting intersections of the individual ones. LHC constraints on simplified models of squarks and sbottoms can be adapted to our case, and monojet searches can be relevant if the spectrum is compressed.},
doi = {10.1007/JHEP10(2014)072},
journal = {Journal of High Energy Physics (Online)},
number = 72,
volume = 2014,
place = {United States},
year = {2014},
month = {10}
}

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