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We propose a novel and feasible method to detect dark matter (DM) electron interaction via pulsating white dwarfs (WDs) in the central region of globular clusters. Annihilation of the DM particles captured by those WDs can provide…

High Energy Astrophysical Phenomena · Physics 2017-03-30 Jia-Shu Niu , Weikai Zong , Hui-Fang Xue

The quest for new physics beyond the Standard Model is boosted by the recently observed deviation in the anomalous magnetic moments of muon and electron from their respective theoretical prediction. In the present work, we have proposed a…

High Energy Physics - Phenomenology · Physics 2022-07-08 Anirban Biswas , Sarif Khan

Composite asymmetric dark matter (ADM) models provide a well-motivated paradigm that simultaneously explains dark matter (DM) relic density and matter-antimatter asymmetry. In these models, the mass of the DM candidate (the lightest dark…

High Energy Physics - Phenomenology · Physics 2026-01-05 Chih-Ting Lu , Changbin Xi

In view of ongoing measurements of the Higgs-like boson at the LHC and direct searches for dark matter, we explore the possibility of accommodating the potential results in a simple new-physics model with discrete gauge symmetry as well as…

High Energy Physics - Phenomenology · Physics 2015-03-20 Cheng-Wei Chiang , Takaaki Nomura , Jusak Tandean

Higgs portal dark matter (DM) models are simple interesting and viable DM models. There are three types of the models depending on the DM spin: scalar, fermion and vector DM models. In this paper, we consider renormalizable, unitary and…

High Energy Physics - Phenomenology · Physics 2016-09-21 P. Ko , Hiroshi Yokoya

The nature of dark matter remains obscure in spite of decades of experimental efforts. The mass of dark matter candidates can span a wide range, and its coupling with the Standard Model sector remains uncertain. All these unknowns make the…

The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM) can account for variety of experimental data. The EW particles with masses of a few hundred GeV evade the LHC searches owing to their small production cross…

High Energy Physics - Phenomenology · Physics 2022-06-08 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha , Christian Schappacher

In these Lectures I review possible constraints on particle physics models, obtained by means of combining the results of collider measurements with astrophysical data. I emphasize the theoretical-model dependence of these results. I…

High Energy Physics - Phenomenology · Physics 2017-08-23 Nikolaos E. Mavromatos

Recently, it has been pointed out that two different excesses of events observed at LEP could be interpreted as the CP-even Higgs bosons of the MSSM with masses of approximately 98 and 114 GeV. If this is the case, the entire MSSM Higgs…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper , Tilman Plehn

We consider models where a massive spin-two resonance acts as the mediator between Dark Matter (DM) and the SM particles through the energy-momentum tensor. We examine the effective theory for fermion, vector and scalar DM generated in…

High Energy Physics - Phenomenology · Physics 2018-07-04 A. Carrillo-Monteverde , Yoo-Jin Kang , Hyun Min Lee , Myeonghun Park , Veronica Sanz

One of the main purposes on physics at the International Linear Collider (ILC) is to study the property of dark matter such as its mass, spin, and interactions between the dark matter and particles in the standard model. Among those, the…

High Energy Physics - Phenomenology · Physics 2010-06-29 Shigeki Matsumoto , Keisuke Fujii , Takahiro Honda , Shinya Kanemura , Takehiro Nabeshima , Nobuchika Okada , Yosuke Takubo , Hitoshi Yamamoto

New physics scenarios beyond the Standard Model predict the existence of milli-charged particles. So far, only spin-1/2 and spin-0 milli-charged particles have been considered in literature, leaving out the interesting case of spin-1. We…

High Energy Physics - Phenomenology · Physics 2015-08-17 Emidio Gabrielli , Luca Marzola , Martti Raidal , Hardi Veermäe

Phenomenological aspects of simple dark matter models are studied. We discuss ways to discriminate the dark matter models in future experiments. We find that the measurements of the branching fraction of the Higgs boson into two photons and…

High Energy Physics - Phenomenology · Physics 2017-06-23 Tomohiro Abe , Ryuichiro Kitano , Ryosuke Sato

In the framework of the Constrained Minimal Supersymmetric Standard Model (CMSSM) we discuss the impact of the recent experimental information, especially from E821 Brookhaven experiment on $g_{\mu}-2$ along with the light Higgs boson mass…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Lahanas , D. V. Nanopoulos , V. C. Spanos

It is shown that the data from the orbital period decay of binary pulsars give strong constraints on the dark matter-nucleons cross section. The limits are robust and competitive because this new method for testing dark matter interactions…

High Energy Astrophysical Phenomena · Physics 2024-10-21 Gonzalo Agustin Lucero , Argelia Bernal , Juan Barranco , Andres Aceña

We systematically explore the phenomenology of the recently proposed extended dark matter effective field theory (\eDMEFT), which allows for a consistent effective description of DM scenarios across different energy scales. The framework…

High Energy Physics - Phenomenology · Physics 2020-12-02 Tommi Alanne , Giorgio Arcadi , Florian Goertz , Valentin Tenorth , Stefan Vogl

Here we briefly review possible indirect effects of dark matter (DM) of the Universe. It includes effects in cosmic rays (CR): first of all, the positron excess at $\sim$ 500 GeV and possible electron-positron excess at 1-1.5 TeV. We tell…

High Energy Physics - Phenomenology · Physics 2019-12-12 K. M. Belotsky , E. A. Esipova , A. Kh. Kamaletdinov , E. S. Shlepkina , M. L. Solovyov

We explore dark matter in the Finely Tuned Minimal Supersymmetric Standard model recently proposed by Arkani-Hamed and Dimopoulos. Relative to the MSSM, there are fewer particles at freeze-out, so the calculation of the relic abundance…

High Energy Physics - Phenomenology · Physics 2008-11-26 Aaron Pierce

Theoretical and experimental techniques employed in dedicated searches for dark matter at hadron colliders are reviewed. Bounds from the 7 and 8 TeV proton-proton collisions at the LHC on dark matter interactions have been collected and the…

High Energy Physics - Phenomenology · Physics 2014-06-24 Andrew Askew , Sushil Chauhan , Bjorn Penning , William Shepherd , Mani Tripathi

The status of the constrained minimal supersymmetric standard model (CMSSM) will be discussed in light of our current understanding of the relic density after WMAP. A global likelihood analysis of the model is performed including data from…

High Energy Physics - Phenomenology · Physics 2007-05-23 Keith A. Olive