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Related papers: Displaced Vertices from Pseudo-Dirac Dark Matter

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Searches for anomalies are a significant motivation for the LHC and help define key analysis steps, including triggers. We discuss specific examples how LHC anomalies can be defined through probability density estimates, evaluated in a…

High Energy Physics - Phenomenology · Physics 2023-10-25 Thorsten Buss , Barry M. Dillon , Thorben Finke , Michael Krämer , Alessandro Morandini , Alexander Mück , Ivan Oleksiyuk , Tilman Plehn

This Letter proposes a new signature for confining dark sectors at the LHC. Under the assumption of a QCD-like hidden sector, hadronic jets containing stable dark bound states originating from hidden strong dynamics, known as semi-visible…

High Energy Physics - Phenomenology · Physics 2024-07-12 Cesare Cazzaniga , Alessandro Russo , Emre Sitti , Annapaola de Cosa

The complementarity between dark matter searches at colliders and in underground laboratories is an extraordinarily powerful tool in the quest for dark matter. In the vast majority of the analyses conducted so far these dark matter…

High Energy Physics - Phenomenology · Physics 2013-04-24 Giorgio Arcadi , Riccardo Catena , Piero Ullio

One of the key questions in particle physics and astrophysics is the nature of dark matter, which existence has been confirmed in many astrophysical and cosmological observations. Besides direct and indirect detection experiments, collider…

High Energy Physics - Experiment · Physics 2019-09-05 Jeanette Miriam Lorenz

The inclusion of heavy neutral leptons to the Standard Model particle content could provide solutions to many open questions in particle physics and cosmology. The modification of the charged and neutral currents from active-sterile mixing…

High Energy Physics - Phenomenology · Physics 2019-02-20 Asmaa Abada , Nicolás Bernal , Marta Losada , Xabier Marcano

We consider a minimal renormalizable and gauge invariant dark matter (DM) model, in which the singlet fermion DM has only axial couplings to a new pseudoscalar mediator. The mixing between the pseudoscalar mediator and the standard model…

High Energy Physics - Phenomenology · Physics 2017-04-12 Seungwon Baek , P. Ko , Jinmian Li

Dark matter may form bound states in a dark sector with an attractive force between two dark matter particles. Searches for dark matter at colliders can differ dramatically from routine searches if bound states, dubbed darkonia, are…

High Energy Physics - Phenomenology · Physics 2025-06-19 Yang Bai , Susanne Westhoff

Dark matter (DM) could be a pseudo-Dirac thermal relic with a small mass splitting that is coupled off-diagonally to a kinetically mixed dark photon. This model, particularly in the sub-GeV mass range, is a key benchmark for accelerator…

High Energy Physics - Phenomenology · Physics 2023-08-07 Nirmalya Brahma , Saniya Heeba , Katelin Schutz

These are introductory notes on the study of the Dirac equation in curved spacetime and its relation to hidden symmetries of the dynamics. We present general results on the relation between special spacetime tensors and hidden symmetries,…

General Relativity and Quantum Cosmology · Physics 2012-10-01 Marco Cariglia

We consider simplified models for dark matter (DM) at the LHC, focused on mono-Higgs, -Z, or -b produced in the final state. Our primary purpose is to study the LHC reach of a relatively complete set of simplified models for these final…

High Energy Physics - Phenomenology · Physics 2017-11-06 Seng Pei Liew , Michele Papucci , Alessandro Vichi , Kathryn M. Zurek

Although many astrophysical and cosmological observations point towards the existence of Dark Matter (DM), the nature of the DM particle has not been clarified to date. In this paper, we investigate a minimal model with a vector DM (VDM)…

High Energy Physics - Phenomenology · Physics 2020-01-08 S. Glaus , M. Mühlleitner , J. Müller , S. Patel , R. Santos

Hidden sectors are ubiquitous in supergravity theories, in strings and in branes. Well motivated models such as the Stueckelberg hidden sector model could provide a candidate for dark matter. In such models, the hidden sector communicates…

High Energy Physics - Phenomenology · Physics 2023-04-12 Amin Aboubrahim , Mohammad Mahdi Altakach , Michael Klasen , Pran Nath , Zhu-Yao Wang

Dark matter (DM) is currently searched for with a variety of detection strategies. Accelerator searches are particularly promising, but even if Weakly Interacting Massive Particles (WIMPs) are found at the Large Hadron Collider (LHC), it…

High Energy Physics - Phenomenology · Physics 2010-10-13 Gianfranco Bertone , David G. Cerdeno , Mattia Fornasa , Roberto Ruiz de Austri , Roberto Trotta

The paper contains description of the main properties of the galactic dark matter (DM) particles, available approaches for detection of DM, main features of direct DM detection, ways to estimate prospects for the DM detection, the first…

High Energy Physics - Phenomenology · Physics 2016-09-21 Vadim A. Bednyakov

Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles…

High Energy Physics - Experiment · Physics 2020-09-11 Juliette Alimena , James Beacham , Martino Borsato , Yangyang Cheng , Xabier Cid Vidal , Giovanna Cottin , Albert De Roeck , Nishita Desai , David Curtin , Jared A. Evans , Simon Knapen , Sabine Kraml , Andre Lessa , Zhen Liu , Sascha Mehlhase , Michael J. Ramsey-Musolf , Heather Russell , Jessie Shelton , Brian Shuve , Monica Verducci , Jose Zurita , Todd Adams , Michael Adersberger , Cristiano Alpigiani , Artur Apresyan , Robert John Bainbridge , Varvara Batozskaya , Hugues Beauchesne , Lisa Benato , S. Berlendis , Eshwen Bhal , Freya Blekman , Christina Borovilou , Jamie Boyd , Benjamin P. Brau , Lene Bryngemark , Oliver Buchmueller , Malte Buschmann , William Buttinger , Mario Campanelli , Cari Cesarotti , Chunhui Chen , Hsin-Chia Cheng , Sanha Cheong , Matthew Citron , Andrea Coccaro , V. Coco , Eric Conte , Félix Cormier , Louie D. Corpe , Nathaniel Craig , Yanou Cui , Elena Dall'Occo , C. Dallapiccola , M. R. Darwish , Alessandro Davoli , Annapaola de Cosa , Andrea De Simone , Luigi Delle Rose , Frank F. Deppisch , Biplab Dey , Miriam D. Diamond , Keith R. Dienes , Sven Dildick , Babette Döbrich , Marco Drewes , Melanie Eich , M. ElSawy , Alberto Escalante del Valle , Gabriel Facini , Marco Farina , Jonathan L. Feng , Oliver Fischer , H. U. Flaecher , Patrick Foldenauer , Marat Freytsis , Benjamin Fuks , Iftah Galon , Yuri Gershtein , Stefano Giagu , Andrea Giammanco , Vladimir V. Gligorov , Tobias Golling , Sergio Grancagnolo , Giuliano Gustavino , Andrew Haas , Kristian Hahn , Jan Hajer , Ahmed Hammad , Lukas Heinrich , Jan Heisig , J. C. Helo , Gavin Hesketh , Christopher S. Hill , Martin Hirsch , M. Hohlmann , W. Hulsbergen , John Huth , Philip Ilten , Thomas Jacques , Bodhitha Jayatilaka , Geng-Yuan Jeng , K. A. Johns , Toshiaki Kaji , Gregor Kasieczka , Yevgeny Kats , Malgorzata Kazana , Henning Keller , Maxim Yu. Khlopov , Felix Kling , Ted R. Kolberg , Igor Kostiuk , Emma Sian Kuwertz , Audrey Kvam , Greg Landsberg , Gaia Lanfranchi , Iñaki Lara , Alexander Ledovskoy , Dylan Linthorne , Jia Liu , Iacopo Longarini , Steven Lowette , Henry Lubatti , Margaret Lutz , Jingyu Luo , Judita Mamužić , Matthieu Marinangeli , Alberto Mariotti , Daniel Marlow , Matthew McCullough , Kevin McDermott , P. Mermod , David Milstead , Vasiliki A. Mitsou , Javier Montejo Berlingen , Filip Moortgat , Alessandro Morandini , Alice Polyxeni Morris , David Michael Morse , Stephen Mrenna , Benjamin Nachman , Miha Nemevšek , Fabrizio Nesti , Christian Ohm , Silvia Pascoli , Kevin Pedro , Cristián Peña , Karla Josefina Pena Rodriguez , Jónatan Piedra , James L. Pinfold , Antonio Policicchio , Goran Popara , Jessica Prisciandaro , Mason Proffitt , Giorgia Rauco , Federico Redi , Matthew Reece , Allison Reinsvold Hall , H. Rejeb Sfar , Sophie Renner , Amber Roepe , Manfredi Ronzani , Ennio Salvioni , Arka Santra , Ryu Sawada , Jakub Scholtz , Philip Schuster , Pedro Schwaller , Cristiano Sebastiani , Sezen Sekmen , Michele Selvaggi , Weinan Si , Livia Soffi , Daniel Stolarski , David Stuart , John Stupak , Kevin Sung , Wendy Taylor , Sebastian Templ , Brooks Thomas , Emma Torró-Pastor , Daniele Trocino , Sebastian Trojanowski , Marco Trovato , Yuhsin Tsai , C. G. Tully , Tamás Álmos Vámi , Juan Carlos Vasquez , Carlos Vázquez Sierra , K. Vellidis , Basile Vermassen , Martina Vit , Devin G. E. Walker , Xiao-Ping Wang , Gordon Watts , Si Xie , Melissa Yexley , Charles Young , Jiang-Hao Yu , Piotr Zalewski , Yongchao Zhang

Based on observational constraints on large scale structure and halo structure, dark matter is generally taken to be cold and essentially collisionless. On the other hand, given the large number of particles and forces in the visible world,…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-09 JiJi Fan , Andrey Katz , Lisa Randall , Matthew Reece

The apparent absence of light superpartners at the LHC strongly constrains the viability of the MSSM as a solution to the hierarchy problem. These constraints can be significantly alleviated by R-parity violation (RPV). Bilinear R-parity…

High Energy Physics - Phenomenology · Physics 2012-10-02 Peter W. Graham , David E. Kaplan , Surjeet Rajendran , Prashant Saraswat

Although the existence of dark matter is well established by many astronomical measurements, its nature still remains one of the unsolved puzzles of particles physics. The unprecedented energy reached by the Large Hadron Collider (LHC) at…

High Energy Physics - Experiment · Physics 2017-09-01 Cristiano Alpigiani

Feebly interacting thermal relics are promising dark matter candidates. Among them, scenarios of inelastic Dark Matter evade direct detection by suppressed elastic scattering off atomic nuclei. We introduce inelastic Dirac Dark Matter, a…

High Energy Physics - Phenomenology · Physics 2022-10-04 Anastasiia Filimonova , Sam Junius , Laura Lopez Honorez , Susanne Westhoff

Although well established observations on cosmological, cluster, and galactic scales strongly suggest the existence of dark matter (DM), our understanding of its non-gravitational properties is still lacking. I review basic aspects of…

High Energy Physics - Phenomenology · Physics 2010-08-04 Marco Regis