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Title: Millicharge or decay: a critical take on Minimal Dark Matter

Journal Article · · Journal of Cosmology and Astroparticle Physics
 [1];  [2];  [3]
  1. Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy; Università di Padova and INFN, Sezione di Padova (Italy). Dipartimento di Fisica e Astronomia
  2. Univ. of Cambridge (United Kingdom). DAMTP
  3. Université Pierre et Marie Curie, Paris (France). Institut d'Astrophysique de Paris

Minimal Dark Matter (MDM) is a theoretical framework highly appreciated for its minimality and yet its predictivity. Of the two only viable candidates singled out in the original analysis, the scalar eptaplet has been found to decay too quickly to be around today, while the fermionic quintuplet is now being probed by indirect Dark Matter (DM) searches. It is therefore timely to critically review the MDM paradigm, possibly pointing out generalizations of this framework. We propose and explore two distinct directions. One is to abandon the assumption of DM electric neutrality in favor of absolutely stable, millicharged DM candidates which are part of SU(2)L multiplets with integer isospin. Another possibility is to lower the cutoff of the model, which was originally fixed at the Planck scale, to allow for DM decays. We find new viable MDM candidates and study their phenomenology in detail.

Research Organization:
Univ. of California, Los Angeles, CA (United States). Department of Physics and Astronomy
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0009937
OSTI ID:
1434597
Journal Information:
Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 04; ISSN 1475-7516
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 42 works
Citation information provided by
Web of Science

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Cited By (19)

Dark Matter's secret liaisons: phenomenology of a dark U(1) sector with bound states journal May 2017
Indirect studies of electroweakly interacting particles at 100 TeV hadron colliders journal September 2019
Unified origin of axion and monopole dark matter, and solution to the domain-wall problem journal August 2018
Impact of fermionic electroweak multiplet dark matter on vacuum stability with one-loop matching journal March 2019
Homeopathic Dark Matter, or how diluted heavy substances produce high energy cosmic rays text January 2019
Homeopathic Dark Matter, or how diluted heavy substances produce high energy cosmic rays journal February 2019
Probing new electroweak states via precision measurements at the LHC and future colliders text January 2018
Indirect studies of electroweakly interacting particles at 100 TeV hadron colliders text January 2019
Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron Colliders text January 2019
Dark matter component decaying after recombination: lensing constraints with Planck data text January 2016
Dark Matter's secret liaisons: phenomenology of a dark U(1) sector with bound states text January 2016
Unified Origin of Axion and Monopole Dark Matter, and Solution to the Domain-wall Problem text January 2018
Indirect Studies of Electroweakly Interacting Particles at 100 TeV Hadron Colliders text January 2019
TeV-Scale Thermal WIMPs: Unitarity and its Consequences text January 2019
Exploring triplet-quadruplet fermionic dark matter at the LHC and future colliders journal February 2018
Faint Light from Dark Matter: Classifying and Constraining Dark Matter-Photon Effective Operators text January 2018
Probing Electroweakly Interacting Massive Particles with Drell-Yan Process at 100 TeV Hadron Colliders text January 2018
Renormalization Effects on Electric Dipole Moments in Electroweakly Interacting Massive Particle Models text January 2019
The Muon Smasher's Guide text January 2021

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