English
Related papers

Related papers: Ultra-cold WIMPs: relics of non-standard pre-BBN c…

200 papers

Super-weakly interacting massive particles produced in the late decays of weakly interacting massive particles (WIMPs) are generic in large regions of supersymmetric parameter space and other frameworks for physics beyond the standard…

High Energy Physics - Phenomenology · Physics 2013-08-08 Jose A. R. Cembranos , Manoj Kaplinghat

We have strong evidence on all cosmic scales, from galaxies to the largest structures ever observed, that there is more matter in the universe than we can see. Galaxies and clusters would fly apart unless they would be held together by…

Astrophysics · Physics 2008-11-26 Laura Baudis

The kinetic decoupling of weakly interacting massive particles (WIMPs) in the early universe sets a scale that can directly be translated into a small-scale cutoff in the spectrum of matter density fluctuations. The formalism presented here…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-18 Torsten Bringmann

Cold dark matter may be made of superweakly-interacting massive particles, superWIMPs, that naturally inherit the desired relic density from late decays of metastable WIMPs. Well-motivated examples are weak-scale gravitinos in supergravity…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan L. Feng , Arvind Rajaraman , Fumihiro Takayama

We investigate a new class of dark matter: superweakly-interacting massive particles (superWIMPs). As with conventional WIMPs, superWIMPs appear in well-motivated particle theories with naturally the correct relic density. In contrast to…

High Energy Physics - Phenomenology · Physics 2010-11-11 Jonathan L. Feng , Arvind Rajaraman , Fumihiro Takayama

SuperWeakly-Interacting Massive Particles (superWIMPs) produced in the late decays of other particles are well-motivated dark matter candidates and may be favored over standard Weakly-Interacting Massive Particles (WIMPs) by small scale…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jose A. R. Cembranos , Jonathan L. Feng , Arvind Rajaraman , Bryan T. Smith , Fumihiro Takayama

If detected, dark matter particles such as WIMPs and sterile neutrinos will be the earliest relics we can study, the first coming from before Big Bang Nucleosynthesis, an epoch from which we have no data so far. Here we discuss how…

High Energy Physics - Phenomenology · Physics 2009-11-05 Graciela B. Gelmini

Weakly interacting massive particles (WIMPs) are arguably the most natural DM candidates from a particle physics point of view. After their number density has frozen out in the early universe, determining their relic density today, WIMPs…

High Energy Physics - Phenomenology · Physics 2016-04-21 Torsten Bringmann , Stefan Hofmann

Galactic-scale structure is of particular interest since it provides important clues to dark matter properties and its observation is improving. Weakly interacting massive particles (WIMPs) behave as cold dark matter on galactic scales,…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-01 Kyu Jung Bae , Ryusuke Jinno , Ayuki Kamada , Keisuke Yanagi

In a non-standard cosmological scenario, heavy, long-lived particles, which we call moduli, dominate the energy density prior to Big Bang Nucleosynthesis. Weakly Interacting Massive Particles (WIMPs) may be produced non-thermally from…

High Energy Physics - Phenomenology · Physics 2023-12-13 Amitayus Banik , Manuel Drees

Collisionless, cold dark matter in the form of weakly-interacting massive particles (WIMPs) is well-motivated in particle physics, naturally yields the observed relic density, and successfully explains structure formation on large scales.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jose A. R. Cembranos , Jonathan L. Feng , Arvind Rajaraman , Fumihiro Takayama

Weakly interacting massive particles (WIMPs) remain the strongest candidates for the dark matter in the Universe. If WIMPs are the dark matter, they will form galactic halos according to the hierarchical clustering observed in N-body…

Astrophysics · Physics 2007-05-23 Angela V. Olinto , Pasquale Blasi , Craig Tyler

SuperWIMPs are extremely weakly interacting massive particles that inherit their relic abundance from late decays of frozen-out parent particles. Within supersymmetric models, gravitinos and axinos represent two of the most well-motivated…

High Energy Physics - Phenomenology · Physics 2023-09-13 Meera Deshpande , Jan Hamann , Dipan Sengupta , Martin White , Anthony G. Williams , Yvonne Y. Y. Wong

The Weakly Interacting Massive Particles(WIMPs) have long been the favored CDM candidate in the standard $\Lambda$CDM model. However, owing to great improvement in the experimental sensitivity in the past decade, some parameter space of the…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-15 Abineet Parichha , Shiv Sethi

One of the most popular classes of candidates for dark matter are Weakly Interacting Massive Particles (WIMPs), i.e. particles possessing masses and couplings falling roughly within the electroweak scale. Apart from offering a natural…

High Energy Physics - Phenomenology · Physics 2011-06-21 Andreas Goudelis

Weakly interacting massive particles (WIMPs) and strangelets are two classes of "exotic" particles not yet discovered, and in agreement with theoretical scenarios most probably produced in different early stages of evolution of the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 Ionel Lazanu , Sorina Lazanu

It was recently proposed that weakly interacting massive particles (WIMP) may provide new ways of generating the observed baryon asymmetry in the early universe, as well as addressing the cosmic coincidence between dark matter and baryon…

High Energy Physics - Phenomenology · Physics 2015-11-18 Yanou Cui

Weakly Interacting Massive Particles (WIMPs) are among the best-motivated dark matter candidates. In light of no conclusive detection signal yet despite an extensive search program that combines, often in a complementary way, direct,…

High Energy Physics - Phenomenology · Physics 2018-04-04 Giorgio Arcadi , Maíra Dutra , Pradipta Ghosh , Manfred Lindner , Yann Mambrini , Mathias Pierre , Stefano Profumo , Farinaldo S. Queiroz

We are conducting an experiment to search for WIMPs, or weakly-interacting massive particles, in the galactic halo using terrestrial detectors. This generic class of hypothetical particles, whose properties are similar to those predicted by…

Light WIMPs are dark matter particle candidates with weak scale interaction with the known particles, and mass in the GeV to 10's of GeV range. Hints of light WIMPs have appeared in several dark matter searches in the last decade. The…

High Energy Physics - Phenomenology · Physics 2017-12-13 Graciela B. Gelmini
‹ Prev 1 2 3 10 Next ›