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We consider the possibility that dark matter (DM) only interacts with the Standard Model leptons, but not quarks at tree level, and analyze the future lepton collider prospects of such leptophilic DM in the monophoton and mono-$Z$ (both…

High Energy Physics - Phenomenology · Physics 2023-01-06 Saumyen Kundu , Atanu Guha , Prasanta Kumar Das , P. S. Bhupal Dev

We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework $\textsf{GAMBIT}$. We perform a global analysis of effective field theory (EFT) operators…

We study the self conjugate dark matter (DM) particles interacting primarily with the standard model leptons in an effective field theoretical frame work. We consider SM gauge invariant effective contact interactions between the Majorana…

High Energy Physics - Phenomenology · Physics 2021-01-27 Hrishabh Bharadwaj , Ashok Goyal

We reappraise the viability of asymmetric dark matter (ADM) realized as a Dirac fermion coupling dominantly to the Standard Model fermions. Treating the interactions of such a DM particle with quarks/leptons in an effective-interactions…

High Energy Physics - Phenomenology · Physics 2024-07-19 Arnab Roy , Basudeb Dasgupta , Monoranjan Guchait

We consider fermionic and scalar dark matter (DM) candidates that couple predominantly to third-generation Standard Model fermions, describing their interactions within an effective field theory framework. We show that current…

High Energy Physics - Phenomenology · Physics 2025-05-09 Georgios Demetriou , Gino Isidori , Gioacchino Piazza , Emanuelle Pinsard

We enumerate the set of simplified models which match onto the complete set of gauge invariant effective operators up to dimension six describing interactions of a singlet-like Majorana fermion dark matter with the standard model. Tree…

High Energy Physics - Phenomenology · Physics 2016-10-05 Shigeki Matsumoto , Satyanarayan Mukhopadhyay , Yue-Lin Sming Tsai

We explore a singlet Majorana fermion dark matter candidate using an effective field theory (EFT) framework, respecting the relations imposed by the standard model $SU(3)_C \times SU(2)_L \times U(1)_Y$ gauge invariance among different…

High Energy Physics - Phenomenology · Physics 2014-10-31 Shigeki Matsumoto , Satyanarayan Mukhopadhyay , Yue-Lin Sming Tsai

Effective WIMP models are minimal extensions of the standard model that explain the relic density of dark matter by the ``WIMP miracle.'' In this paper we consider the phenomenology of effective WIMPs with trilinear couplings to leptons and…

High Energy Physics - Phenomenology · Physics 2014-07-16 Spencer Chang , Ralph Edezhath , Jeffrey Hutchinson , Markus Luty

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

Direct searches for WIMPs are sensitive to physics well below the weak scale. In the absence of light mediators, it is fruitful to apply an Effective Field Theory (EFT) approach accounting only for dark matter (DM) interactions with…

High Energy Physics - Phenomenology · Physics 2015-04-21 Francesco D'Eramo , Massimiliano Procura

We investigate self-conjugate Dark Matter (DM) particles that primarily interact with standard model electroweak gauge bosons within an effective field theoretical framework. Our analysis focuses on effective contact interactions, invariant…

High Energy Physics - Phenomenology · Physics 2024-06-21 Ekata Singh , Hrishabh Bharadwaj , Devisharan

The Weakly Interacting Massive Particle (WIMP) paradigm is one of the most popular scenarios for Dark Matter (DM) theories that however is strongly constrained, in particular by direct detection experiments. We stick with the WIMP…

High Energy Physics - Phenomenology · Physics 2022-10-24 Anibal D. Medina , Nicolás I. Mileo , Alejandro Szynkman , Santiago A. Tanco

Weakly interacting massive particles (WIMPs) form a promising solution to the dark matter problem and many experiments are now searching for these particles. Using effective field theories to describe the interaction of the WIMP with the…

High Energy Physics - Phenomenology · Physics 2013-08-22 Daniel Schmeier

We study the discovery prospects of leptophilic dark matter (DM) in future lepton colliders by considering the light neutrinos to be of Dirac type. Adopting an effective field theory (EFT) approach, we write down dimension six operators…

High Energy Physics - Phenomenology · Physics 2025-11-14 Debasish Borah , Nayan Das , Sahabub Jahedi , Bhavya Thacker

We study future lepton collider prospects for testing predictive models of leptophilic dark matter candidates with a thermal origin. We calculate experimental milestones for testing the parameter space compatible with freeze-out and the…

High Energy Physics - Phenomenology · Physics 2024-04-04 Cari Cesarotti , Gordan Krnjaic

We discuss how to consistently use Effective Field Theories (EFTs) to set universal bounds on heavy-mediator Dark Matter at colliders, without prejudice on the model underlying a given effective interaction. We illustrate the method for a…

High Energy Physics - Phenomenology · Physics 2015-05-18 Davide Racco , Andrea Wulzer , Fabio Zwirner

In this study, the sensitivity of future lepton colliders to WIMP dark matter is evaluated assuming WIMP pair production accompanied by a photon from initial state radiation, through which the process can be identified. A full detector…

High Energy Physics - Experiment · Physics 2020-05-06 Moritz Habermehl , Mikael Berggren , Jenny List

In this proceeding, we present results from a global fit of Dirac fermion dark matter (DM) effective field theory (EFT) based on arXiv:2106.02056 using the GAMBIT framework. Here we show results only for the dimension-6 operators that…

High Energy Physics - Phenomenology · Physics 2023-07-06 Ankit Beniwal

Experiments at electron-positron colliders can search for dark matter particle pair-production in association with a photon. We estimate the sensitivity of this search at the proposed International Linear Collider (ILC), under a variety of…

High Energy Physics - Phenomenology · Physics 2015-06-12 Yoonseok John Chae , Maxim Perelstein

The leptophilic weakly interacting massive particle (WIMP) is realized in a minimal renormalizable model scenario where scalar mediators with lepton number establish the WIMP interaction with the standard model (SM) leptons. We perform a…

High Energy Physics - Phenomenology · Physics 2021-09-08 Shun-ichi Horigome , Taisuke Katayose , Shigeki Matsumoto , Ipsita Saha
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