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We generalize the formalism for DM capture in celestial bodies to account for arbitrary mediator mass, and update the existing and projected astrophysical constraints on DM-nucleon scattering cross section from observations of neutron…

High Energy Physics - Phenomenology · Physics 2020-10-14 Basudeb Dasgupta , Aritra Gupta , Anupam Ray

We construct models of dark matter with suppressed spin-independent scattering cross section utilizing the existing simplified model framework. Even simple combinations of simplified models can exhibit interference effects that cause the…

High Energy Physics - Phenomenology · Physics 2016-05-30 Arghya Choudhury , Kamila Kowalska , Leszek Roszkowski , Enrico Maria Sessolo , Andrew J. Williams

We consider a model in which dark matter is a light (350 MeV) Dirac fermion which couples to quarks as an axial-vector current. At center-of-mass (CM) energies below the confinement scale, such a DM interaction structure may be described…

High Energy Physics - Phenomenology · Physics 2021-08-19 Dillon Berger

The particle origin of dark matter (DM) remains elusive despite decades of direct, indirect, and collider searches. Several groups have reported a $\gamma$-ray excess toward the Galactic Centre, commonly referred to as the Galactic Centre…

High Energy Physics - Phenomenology · Physics 2025-12-01 Jordan Koechler , Mattia Di Mauro

We discuss possible signatures of Asymmetric Dark Matter (ADM) through dark matter decays to neutrinos. We specifically focus on scenarios in which the Standard Model (SM) baryon asymmetry is transferred to the dark sector (DS) through…

High Energy Physics - Phenomenology · Physics 2014-11-20 Brian Feldstein , A. Liam Fitzpatrick

We recap the main features of Minimal Dark Matter (MDM) and assess its status in the light of the recent experimental data. The theory selects an electroweak 5-plet with hypercharge Y=0 as a fully successful DM candidate, automatically…

High Energy Physics - Phenomenology · Physics 2014-11-18 Marco Cirelli , Alessandro Strumia

In the context of a simplified leptophilic Dark Matter (DM) scenario where the mediator is a new charged fermion carrying leptonic quantum number and the DM candidate is either scalar or vector, the complementarity of different bounds is…

High Energy Physics - Phenomenology · Physics 2018-04-11 D. Barducci , A. Deandrea , S. Moretti , L. Panizzi , H. Prager

Dirac fermion dark matter models with heavy $Z^{\prime}$ mediators are subject to stringent constraints from spin-independent direct searches and from LHC bounds, cornering them to live near the $Z^{\prime}$ resonance. Such constraints can…

High Energy Physics - Phenomenology · Physics 2017-05-24 Alexandre Alves , Giorgio Arcadi , Yann Mambrini , Stefano Profumo , Farinaldo S. Queiroz

The existence of dark sectors, consisting of weakly-coupled particles that do not interact with the known Standard Model forces, is theoretically and phenomenologically motivated. The hidden particles are candidates for Dark Matter and can…

High Energy Physics - Phenomenology · Physics 2020-06-17 D. T. Binh , V. H. Binh , H. N. Long

The asymmetric dark matter (ADM) scenario solves the baryon-dark matter coincidence problem when the dark matter (DM) mass is of $\mathcal{O}(1)$GeV. Composite ADM models based on QCD-like strong dynamics are particularly motivated since…

High Energy Physics - Phenomenology · Physics 2021-08-18 Masahiro Ibe , Shin Kobayashi , Keiichi Watanabe

The WIMPs are considered one of the favorable dark matter (DM) candidates, but as the upper bounds on the interactions between DM and standard model (SM) particles obtained by the upgraded facilities of DM direct detections get lower and…

High Energy Physics - Phenomenology · Physics 2017-02-01 Lian-Bao Jia , Xue-Qian Li

A search is performed for dark matter (DM) produced in association with a single top quark or a pair of top quarks using the data collected with the CMS detector at the LHC from proton-proton collisions at a center-of-mass energy of 13 TeV,…

High Energy Physics - Experiment · Physics 2025-08-26 CMS Collaboration

Coherent elastic neutrino-nucleus (CE$\nu$NS) and elastic neutrino-electron scattering (E$\nu$ES) data are exploited to constrain ``chiral'' $U(1)_{X}$ gauged models with light vector mediator mass. These models fall under a distinct class…

High Energy Physics - Phenomenology · Physics 2025-04-17 Anirban Majumdar , Dimitrios K. Papoulias , Hemant Prajapati , Rahul Srivastava

Assuming that Dark Matter (DM) is made of fermions in the sub-GeV mass range with interactions dominated by electromagnetic moments of higher order, such as the electric and magnetic dipoles or the anapole moment, we show that direct…

High Energy Physics - Phenomenology · Physics 2020-07-09 Riccardo Catena , Timon Emken , Julia Ravanis

Light Dark Matter, $<10$ GeV, with sizable direct detection rate is an interesting and less explored scenario. Collider searches can be very powerful, such as through the channel in which a pair of dark matter particle are produced in…

High Energy Physics - Phenomenology · Physics 2015-06-04 Haipeng An , Xiangdong Ji , Lian-Tao Wang

We study the complementarity between dark matter experiments (direct detection and indirect detections) and accelerator facilities (the CERN LHC and a $\sqrt{s}= 1$ TeV $e^+e^-$ Linear Collider) in the framework of the constrained Minimal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. Mambrini , E. Nezri

We derive limits on the interactions of dark matter with quarks from ATLAS null searches for jets + missing energy based on ~1 fb^-1 of integrated luminosity, using a model-insensitive effective theory framework. We find that the new limits…

High Energy Physics - Phenomenology · Physics 2013-05-29 Arvind Rajaraman , William Shepherd , Tim M. P. Tait , Alexander M. Wijangco

New physics could be explored through loop effects by the precision measurements at the Circular Electron Positron Collider due to its clean collision environment and high luminosity. In this work, we focus on two dark matter models that…

High Energy Physics - Phenomenology · Physics 2022-09-14 Lin-Qing Gao , Xiao-Jun Bi , Jin-Wei Wang , Qian-Fei Xiang , Peng-Fei Yin

The precision measurements of the muon magnetic moment and the $W$ boson mass have sparked interest in the potential deviations from standard model (SM) predictions. While it may be premature to attribute any excesses in these precision…

High Energy Physics - Phenomenology · Physics 2026-01-05 Yi-Zhong Fan , Yao-Yu Li , Chih-Ting Lu , Xiao-Yi Luo , Tian-Peng Tang , Van Que Tran , Yue-Lin Sming Tsai

We present constraints on sub-GeV dark matter (DM) through the mechanism of being boosted by cosmic rays (CRs). We utilize the nuclear recoil data from the LUX-ZEPLIN (LZ) experiment for this purpose. Without the mechanism of boosted dark…

High Energy Physics - Phenomenology · Physics 2025-09-03 Atanu Guha , Jong-Chul Park
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