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Celestial objects such as stars and planets might be able to capture a large amount of dark matter particles through dark matter-nucleon scattering. Many previous studies have considered different celestial objects such as the Sun and the…

High Energy Physics - Phenomenology · Physics 2022-03-30 Man Ho Chan , Chak Man Lee

We explore the possibility of explaining a gamma-ray excess in the Galactic Center, originally pointed out by Hooper, collaborators, and other groups, in an effective field theory framework. We assume that dark matter annihilation is…

High Energy Physics - Phenomenology · Physics 2014-12-10 Alexandre Alves , Stefano Profumo , Farinaldo S. Queiroz , William Shepherd

We calculate target-material responses for dark matter--electron scattering at the \textit{ab-initio} all-electron level using atom-centered gaussian basis sets. The all-electron effects enhance the material response at high momentum…

High Energy Physics - Phenomenology · Physics 2023-06-28 Cyrus E. Dreyer , Rouven Essig , Marivi Fernandez-Serra , Aman Singal , Cheng Zhen

Due to the dense environment, neutron stars (NSs) can serve as an ideal laboratory for studying the interactions between dark matter (DM) and ordinary matter. In the process of DM capture, deep inelastic scattering may dominate over elastic…

High Energy Physics - Phenomenology · Physics 2024-09-11 Liangliang Su , Lei Wu , Meiwen Yang

In these lectures we discuss the uses of effective field theory in studying dense hadronic matter. We focus on two regimes in the phase diagram. At low baryon density nucleons can be described as non-relativistic point particles interacting…

Nuclear Theory · Physics 2015-06-26 Thomas Schaefer

We present an effective field theory describing the relevant interactions of the Standard Model with an electrically neutral particle that can account for the dark matter in the Universe. The possible mediators of these interactions are…

High Energy Physics - Phenomenology · Physics 2025-02-04 Juan Carlos Criado , Abdelhak Djouadi , Manuel Perez-Victoria , Jose Santiago

In this work we numerically re-examine the loop-induced WIMP-nucleon scattering cross section for the simplified dark matter models and the constraint set by the latest direct detection experiment. We consider a fermion, scalar or vector…

High Energy Physics - Phenomenology · Physics 2018-06-26 Tong Li

We consider mathematical models of the weak decay of the vector bosons $W^{\pm}$ into leptons. The free quantum field hamiltonian is perturbed by an interaction term from the standard model of particle physics. After the introduction of…

Mathematical Physics · Physics 2018-10-04 Benjamin Alvarez , Jérémy Faupin

We present global fits of an effective field theory description of real, and complex scalar dark matter candidates. We simultaneously take into account all possible dimension 6 operators consisting of dark matter bilinears and gauge…

High Energy Physics - Phenomenology · Physics 2016-10-12 Sebastian Liem , Gianfranco Bertone , Francesca Calore , Roberto Ruiz de Austri , Tim M. P. Tait , Roberto Trotta , Christoph Weniger

We construct an effective field theory for complex Stueckelberg dark photon dark matter. Such an effective construction can be realized by writing down a complete set of operators up to dimension six built with the complex dark photon and…

High Energy Physics - Phenomenology · Physics 2024-10-17 Enrico Bertuzzo , Tommaso Sassi , Andrea Tesi

We investigate the effect of quantum corrections on the elastic scattering cross section of dark matter off nucleus in two-scalar dark matter model. Among two extra singlet scalars in the two-scalar model, the lighter one is stable and…

High Energy Physics - Phenomenology · Physics 2024-12-31 Karim Ghorbani , Parsa Ghorbani

In general line with our first work [Yu.A. Markov, M.A. Markova, Nucl. Phys. A 770 (2006) 162] within the framework of semiclassical approximation a general theory for the scattering processes of soft (anti)quark excitations off hard…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yu. A. Markov , M. A. Markova

The discovery of a Standard Model-like Higgs boson and the hitherto absence of evidence for other new states may indicate that if WIMPs comprise cosmological dark matter, they are heavy compared to electroweak scale particles, $M \gg…

High Energy Physics - Phenomenology · Physics 2014-06-06 Richard J. Hill , Mikhail P. Solon

Nuclear shadowing corrections to the structure functions of deep inelastic scattering of intermediate-mass nuclei are calculated at very low values of Bjorken x and small values of Q^2 (Q^2<5 GeV^2). The two-component approach (generalized…

High Energy Physics - Phenomenology · Physics 2015-12-16 Edgar V. Bugaev , Boris V. Mangazeev

We organize the effective (self)interaction terms for complex scalar dark matter candidates which are either an isosinglet, isodoublet or an isotriplet with respect to the weak interactions. The classification has been performed ordering…

High Energy Physics - Phenomenology · Physics 2012-04-26 Eugenio Del Nobile , Francesco Sannino

The aim of this thesis is to determine possible interactions between the Standard Model with right-chiral neutrinos and a sector of dark matter composed of a real scalar, left- and right-chiral fermion and a vector particle, which are…

High Energy Physics - Theory · Physics 2014-10-17 Mateusz Duch

We review coherent scattering of neutrinos on nuclei by coupling the weak currents to vector and axial-vector meson states. The couplings are obtained from known reactions, like $\tau$--lepton and vector meson decays. We compute and present…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. A. Paschos , A. V. Kartavtsev

We study the formation of Dark Matter nuclei in scenarios where DM particles are baryons of a new confining gauge force. The dark nucleosynthesis is analogous to the formation of light elements in the SM and requires as a first step the…

High Energy Physics - Phenomenology · Physics 2019-04-25 Michele Redi , Andrea Tesi

Presently, there are several experimental setups dedicated to rare event searches, such as dark matter interactions or double beta decay, in the building or commissioning phases. These experiments often use large mass detectors and have…

High Energy Astrophysical Phenomena · Physics 2012-11-08 Carlos Martinez Amaya , Matteo Biassoni

Neutrino and dark matter experiments with large-volume ($\gtrsim 1$ ton) detectors can provide excellent sensitivity to signals induced by energetic light dark matter coming from the present universe. Taking boosted dark matter as a…

High Energy Physics - Phenomenology · Physics 2020-07-16 Doojin Kim , Pedro A. N. Machado , Jong-Chul Park , Seodong Shin