English
Related papers

Related papers: Dark matter with invisible light from heavy double…

200 papers

Almost commutative geometry offers a specific way to unify general relativity, quantum mechanics and gauge symmetries. The AC-model of elementary particles, arising on this way, naturally embeds the Standard model and predicts doubly…

Astrophysics · Physics 2007-05-23 Maxim Yu. Khlopov , Christoph A. Stephan

The nonbaryonic dark matter of the Universe can consist of new stable charged leptons and quarks, if they are hidden in elusive "dark atoms" of composite dark matter. Such possibility can be compatible with the severe constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Maxim Yu. Khlopov

The nonbaryonic dark matter of the Universe is assumed to consist of new stable particles. Stable particle candidates for cosmological dark matter are usually considered as neutral and weakly interacting. However stable charged leptons and…

High Energy Physics - Phenomenology · Physics 2017-11-30 O. V. Bulekov , M. Yu. Khlopov , A. S. Romaniouk , Yu. S. Smirnov

The nonbaryonic dark matter of the Universe is assumed to consist of new stable forms of matter. Their stability reflects symmetry of micro world and particle candidates for cosmological dark matter are the lightest particles that bear new…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. Yu. Khlopov

Particle physics candidates for cosmological dark matter are usually considered as neutral and weakly interacting. However stable charged leptons and quarks can also exist and, hidden in elusive atoms, play the role of dark matter. The…

Astrophysics · Physics 2008-01-03 M. Yu. Khlopov

This Letter proposes a new search for confining dark sectors at the Large Hadron Collider. As a result of the strong dynamics in the hidden sector, dark matter could manifest in proton-proton collisions at the Large Hadron Collider in form…

High Energy Physics - Phenomenology · Physics 2022-09-07 Cesare Cazzaniga , Annapaola de Cosa

The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and to consist of new stable particles. However if composite dark matter contains stable electrically charged…

High Energy Physics - Phenomenology · Physics 2018-05-02 Maxim Yu. Khlopov

The nonbaryonic dark matter of the Universe might consist of new stable charged species, bound by ordinary Coulomb interactions in various forms of heavy neutral "dark atoms". The existing models offer natural implementations for the…

High Energy Physics - Phenomenology · Physics 2015-06-10 Konstantin Belotsky , Maxim Khlopov , Maxim Laletin

We propose a model which explains the baryon asymmetry of the universe and dark matter relic density at the same time. In this model, dark matter candidate is the dark baryon composed by dark quarks. A scalar mediator, which couples to the…

High Energy Physics - Phenomenology · Physics 2021-09-15 Mengchao Zhang

We propose that charged leptons are the `baryons' of the gauge dynamics subject to a SU(2)$_{e}$$\timesSU(2)_{\mu}\timesSU(2)_{\tau}$ symmetry. The `mesons' of this theory are neutral and thus candidates for dark matter. There is, in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ralf Hofmann

Extension of particle symmetry implies new conserved charges and the lightest particles, possessing such charges, should be stable. Created in early Universe, stable charged heavy leptons and quarks can exist and, hidden in elusive atoms…

Astrophysics · Physics 2007-05-23 Maxim Yu. Khlopov

We investigate the scenario where the dark matter only interacts with the charged leptons in the standard model via a neutral vector mediator $Z'$. Such a scenario with a 430 GeV dark matter can fit the recent positron fluxes observed by…

High Energy Physics - Phenomenology · Physics 2015-02-05 Ning Chen , Jian Wang , Xiao-Ping Wang

Direct searches for dark matter lead to serious problems for simple models with stable neutral Weakly Interacting Massive Particles (WIMPs) as candidates for dark matter. A possibility is discussed that new stable quarks and charged leptons…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-23 Maxim Yu. Khlopov

Direct searches for dark matter lead to serious problems for simple models with stable neutral Weakly Interacting Massive Particles (WIMPs) as candidates for dark matter. A possibility is discussed that new stable quarks and charged leptons…

Cosmology and Nongalactic Astrophysics · Physics 2011-12-06 Maxim Yu. Khlopov

Minimal atomic dark matter with its distinctive cooling mechanisms offers an instructive framework for understanding the potential impact of dark matter on small-scale structure formation and early cosmology. The model consists of two…

High Energy Physics - Phenomenology · Physics 2026-02-12 Jared Barron , Rouven Essig , Megan H. McDuffie , Jesús Pérez-Ríos , Gregory Suczewski

The Large Hadron electron Collider (LHeC) has been designed to push the field of deep inelastic scattering to the high energy and intensity frontier using an intense electron beam with a proton beam from the High Luminosity-Large Hadron…

High Energy Physics - Phenomenology · Physics 2023-05-17 Guo-yuan Huang , Sudip Jana , Alvaro S. de Jesus , Farinaldo S. Queiroz , Werner Rodejohann

Weakly interacting massive particles (WIMPs) are among the favored candidates for cold dark matter in the universe. The phenomenology of supersymmetric WIMPs has been quite developed during recent years. However, there are other…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. A. Baltz , L. Bergstrom

Stable charged heavy leptons and quarks can exist and hide in elusive atoms, bound by Coulomb attraction and playing the role of dark matter. However, in the expanding Universe it is not possible to recombine all the charged particles into…

Astrophysics · Physics 2008-11-26 K. M. Belotsky , M. Yu. Khlopov , K. I. Shibaev

We present a simple UV completion of Atomic Dark Matter (aDM) in which heavy right-handed neutrinos decay to induce both dark and lepton number densities. This model addresses several outstanding cosmological problems: the…

High Energy Physics - Phenomenology · Physics 2015-05-28 David E. Kaplan , Gordan Z. Krnjaic , Keith R. Rehermann , Christopher M. Wells

We discuss the possibility of realising a two-component dark matter (DM) scenario where the two DM candidates differ from each other by virtue of their production mechanism in the early universe. One of the DM candidates is thermally…

High Energy Physics - Phenomenology · Physics 2019-11-13 Debasish Borah , Arnab Dasgupta , Sin Kyu Kang
‹ Prev 1 2 3 10 Next ›