Results 11 to 20 of about 279,875 (165)

WIMP and FIMP dark matter in singlet-triplet fermionic model

Journal of High Energy Physics, 2022
We present an extension of the SM involving three triplet fermions, one triplet scalar and one singlet fermion, which can explain both neutrino masses and dark matter.
Geneviève Bélanger, Sandhya Choubey, Rohini M. Godbole, Sarif Khan, Manimala Mitra, Abhishek Roy   +5 more
doaj   +1 more source

Axion as a non-WIMP dark matter candidate [PDF]

, 2017
The axion arises in well-motivated extensions of the Standard Model of particle physics and is regarded as an alternative to the weakly interacting massive particle paradigm to explain the nature of dark matter.
Saikawa, Ken'ichi
core   +3 more sources

Revisiting the fermionic dark matter absorption on electron target

Journal of High Energy Physics, 2022
We perform a systematic study of the fermionic DM absorption interactions on electron target in the context of effective field theory. The fermionic DM absorption is not just sensitive to sub-MeV DM with efficient energy release, but also gives a unique ...
Shao-Feng Ge, Xiao-Gang He, Xiao-Dong Ma, Jie Sheng   +3 more
doaj   +1 more source

On the change of old neutron star masses with galactocentric distance

, 2020
We show that the pulsar mass depends on the environment, and that it decreases going towards the center of the Milky Way. This is due to two combined effects, the capture and accumulation of self-interacting, non-annihilating dark matter by pulsars, and ...
Burgio, Fiorella, Del Popolo, Antonino, Deliyergiyev, Maksym, Delliou, Morgan Le, Tolos, Laura   +4 more
core   +1 more source

Strategies for Determining the Nature of Dark Matter [PDF]

, 2008
In this review, we discuss the role of the various experimental programs taking part in the broader effort to identify the particle nature of dark matter.
/Fermilab, /KIPAC, Menlo Park, Baltz, Edward A., Hooper, Dan   +3 more
core   +2 more sources

Fermionic dark matter in Dynamical Scotogenic Model

Journal of High Energy Physics, 2023
In the Dynamical Scotogenic Model, the global B − L symmetry is supposed to be broken spontaneously resulting in a massless Goldstone boson called majoron, and massive right handed neutrinos which participate in the generation of light neutrino massses ...
Eung Jin Chun, Abhishek Roy, Sanjoy Mandal, Manimala Mitra   +3 more
doaj   +1 more source

The Migdal effect in semiconductors for dark matter with masses below ∼ 100 MeV

Journal of High Energy Physics, 2023
Dark matter scattering off a nucleus has a small probability of inducing an observable ionization through the inelastic excitation of an electron, called the Migdal effect.
Kim V. Berghaus, Angelo Esposito, Rouven Essig, Mukul Sholapurkar   +3 more
doaj   +1 more source

SIMPly add a dark photon

Journal of High Energy Physics, 2023
Pions of a dark sector gauge group can be strongly interacting massive particle (SIMP) dark matter, produced by the freeze-out of 3 → 2 interactions, with naturally large self-interactions. We study if adding a dark photon to the set-up can do it all: i)
Pieter Braat, Marieke Postma
doaj   +1 more source

Search for Milli-Charged particles from the Sun at IceCube

Journal of High Energy Physics, 2022
It is assumed that heavy dark matter particles ϕ with O(TeV) mass captured by the Sun may decay to relativistic light milli-charged particles (MCPs). These MCPs could be measured by the IceCube detector.
Ye Xu
doaj   +1 more source

Connecting neutrino physics with dark matter [PDF]

, 2014
The origin of neutrino masses and the nature of dark matter are two of the most pressing open questions of the modern astro-particle physics. We consider here the possibility that these two problems are related, and review some theoretical scenarios ...
Lattanzi, Massimiliano, Lineros, Roberto A., Taoso, Marco   +2 more
core   +3 more sources