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We study the production of hypothetical vector portal mediators, dark photons $\gamma^\prime$, with masses in the range 0.4-3.5 GeV in the negatively charged pion-proton collisions $\pi^-p\rightarrow \gamma^\prime X$ via inelastic pion…

高能物理 - 唯象学 · 物理学 2026-03-19 Dmitry Gorbunov , Ekaterina Kriukova

The potential of the dark matter direct detection experiments to provide independent measurements on solar neutrino fluxes in the Standard Model and in the presence of the light mediators is studied in this work. We also present the…

高能物理 - 唯象学 · 物理学 2024-11-27 Shuo-yu Xia

Dark matter candidates with electromagnetic dipole moments can arise as dark baryons in gauge-mediated or technicolor models. These dark matter candidates interact with nuclei in direct detection experiments mainly through magnetic and/or…

高能物理 - 唯象学 · 物理学 2010-08-04 Tom Banks , Jean-François Fortin , Scott Thomas

We generalize the nature of the so-called beam-dump ``ceiling'' beyond which the improvement on the sensitivity reach in the search for fast-decaying mediators dramatically slows down, and we point out its experimental implications that…

高能物理 - 唯象学 · 物理学 2026-05-13 Doojin Kim , Jaehoon Yu , Jong-Chul Park , Hyunyong Kim

We present a method to search for scalar field ultralight dark matter directly interacting with gravitational-wave interferometers via a modulation of the fine structure constant and the electron mass. This modulation induces an effective…

高能物理 - 实验 · 物理学 2022-11-01 Evan Hall , Nancy Aggarwal

We show how studies relevant for mono-X searches at the LHC in simplified models featuring a dark matter candidate and an $s$-channel mediator can be performed within the MadGraph5_aMC@NLO framework. We focus on gluon-initiated loop-induced…

高能物理 - 唯象学 · 物理学 2015-10-28 Olivier Mattelaer , Eleni Vryonidou

The next generation of dark matter direct detection experiments will be sensitive to both coherent neutrino-nucleus and neutrino-electron scattering. This will enable them to explore aspects of solar physics, perform the lowest energy…

高能物理 - 唯象学 · 物理学 2016-07-13 David G. Cerdeno , Malcolm Fairbairn , Thomas Jubb , Pedro A. N. Machado , Aaron C. Vincent , Celine Boehm

Dark Matter (DM) residing in a secluded sector with suppressed portal interaction could evade direct detections and collider searches. The indirect detections provide the most robust probe to this scenario. Depending on the structure of the…

高能物理 - 唯象学 · 物理学 2023-08-14 Jinmian Li , Takaaki Nomura , Junle Pei , Xiangwei Yin , Cong Zhang

We study a model in which a new interactions between the Standard Model (SM) photon and both the dark photon ($\gamma_D)$ and an ALP ($a$) are described by the dark axion portal operator. The implications of this dark axion portal scenario…

Millicharged particles emerge as compelling candidates in numerous theoretically well-motivated extensions of the Standard Model. These hypothetical particles, characterized by an electric charge that is a small fraction of the elementary…

Sterile neutrinos are well-motivated and simple dark matter (DM) candidates. However, sterile neutrino DM produced through oscillations by the Dodelson-Widrow mechanism is excluded by current $X$-ray observations and bounds from structure…

高能物理 - 唯象学 · 物理学 2024-02-16 Maria Dias Astros , Stefan Vogl

We study for the first time the possibility that Dark Matter (represented by particles with spin $0,1/2$ or $1$) interacts gravitationally with Standard Model particles in an extra-dimensional Clockwork/Linear Dilaton model. We assume that…

高能物理 - 唯象学 · 物理学 2020-04-13 Miguel G. Folgado , Andrea Donini , Nuria Rius

We study the effective interactions of the fermionic, scalar and vector dark matter (DM) with leptons and neutral electroweak gauge Bosons induced by the higher dimensional effective twist-2 tensor operators. We constrain these…

高能物理 - 唯象学 · 物理学 2019-07-23 Hrishabh Bharadwaj , Sukanta Dutta

Traditional direct detection experiments lack the sensitivity to probe the sub-GeV dark matter (DM), primarily due to the low energy of the expected nuclear recoils. In this work, we investigate cosmic-ray (CR) upscattering as a mechanism…

高能天体物理现象 · 物理学 2025-12-30 Yang Yu , Guan-Sen Wang , Bo Zhang , Tian-Peng Tang , Bing-Yu Su , Lei Feng

We calculate the contained and upward muon and shower fluxes due to neutrinos produced via dark matter annihilation or decay in the Galactic center. We consider dark matter models in which the dark matter particle is a gravitino, a…

高能物理 - 唯象学 · 物理学 2010-12-24 Arif Emre Erkoca , Mary Hall Reno , Ina Sarcevic

The Sun represents a promising target for indirect dark matter searches, as dark matter particles from the Galactic halo can be gravitationally trapped in its core or in external orbits, and their annihilations can lead to final states with…

高能天体物理现象 · 物理学 2023-02-22 D. Serini , F. Loparco , M. N. Mazziotta , S. De Gaetano , L. Di Venere , F. Gargano , L. Lorusso , G. Panzarini , R. Pillera

We present a model explaining both the 4.2 $\sigma$ muon $g-2$ anomaly and the relic density of dark matter (DM) in which DM interacts with the Standard Model (SM) via a scalar portal boson $\varphi$ carrying both dark and SM leptonic…

高能物理 - 唯象学 · 物理学 2022-07-08 S. N. Gninenko , N. V. Krasnikov

Next generation direct dark matter detection experiments are favorable facilities to probe neutrino properties and light mediators beyond the Standard Model. We explore the implications of the recent data reported by LUX-ZEPLIN (LZ) and…

高能物理 - 唯象学 · 物理学 2023-07-27 ShivaSankar K. A. , Anirban Majumdar , Dimitrios K. Papoulias , Hemant Prajapati , Rahul Srivastava