Gravity-mediated (or composite) dark matter
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TLDR
In this article, a new dark-matter scenario where gravitational mediators, arising from the compactification of extra dimensions, are responsible for dark matter interactions and its relic abundance in the Universe is proposed.Abstract:
Dark matter could have an electroweak origin, yet it could communicate with the visible sector exclusively through gravitational interactions. In a setup addressing the hierarchy problem, we propose a new dark-matter scenario where gravitational mediators, arising from the compactification of extra dimensions, are responsible for dark-matter interactions and its relic abundance in the Universe. We write an explicit example of this mechanism in warped extra dimensions and work out its constraints. We also develop a dual picture of the model, based on a four-dimensional scenario with partial compositeness. We show that gravity-mediated dark matter is equivalent to a mechanism of generating viable dark matter scenarios in a strongly coupled, near-conformal theory, such as in composite Higgs models.read more
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Benchmarks for Dark Matter Searches at the LHC
TL;DR: In this paper, the authors proposed some scenarios to pursue dark matter searches at the LHC in a fairly model-independent way, and determined the masses that lead to the correct thermal relic density including, for therst time, strong Sommerfeld corrections taking into account colour decomposition.
Superheavy dark Matter
TL;DR: In this article, it was shown that if the DM fields are coupled to the inflaton field, then the mass of the DM particles that can be naturally produced in significant abundance after inflation can be as large as 10{sup {minus}3} M{sub Pl}.
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Dark Matter Benchmark Models for Early LHC Run-2 Searches. Report of the ATLAS/CMS Dark Matter Forum
Daniel Abercrombie,Nural Akchurin,Ece Akilli,Juan Alcaraz Maestre,Brandon Allen,Barbara Alvarez Gonzalez,Jeremy Andrea,Alexandre Arbey,Alexandre Arbey,Georges Azuelos,Patrizia Azzi,Mihailo Backović,Yang Bai,Swagato Banerjee,James Beacham,Alexander Belyaev,Antonio Boveia,Amelia Jean Brennan,Oliver Buchmueller,Matthew R. Buckley,Giorgio Busoni,Michael Buttignol,Giacomo Cacciapaglia,Regina Caputo,Linda M. Carpenter,Nuno Filipe Castro,G. Gomez Ceballos,Yangyang Cheng,John Paul Chou,A. González,C. Cowden,Francesco D'Eramo,Annapaola De Cosa,Michele De Gruttola,Albert De Roeck,Andrea De Simone,Aldo Deandrea,Zeynep Demiragli,Anthony DiFranzo,Caterina Doglioni,Tristan Du Pree,Robin Erbacher,Johannes Erdmann,Cora Fischer,Henning Flaecher,Patrick J. Fox,Benjamin Fuks,Marie-Hélène Genest,Bhawna Gomber,Andreas Goudelis,Johanna Gramling,John F. Gunion,Kristian Hahn,Ulrich Haisch,Roni Harnik,Philip Harris,Kerstin Hoepfner,Siew Yan Hoh,Dylan Hsu,Shih-Chieh Hsu,Yutaro Iiyama,Valerio Ippolito,Thomas Jacques,Xiangyang Ju,Felix Kahlhoefer,Alexis Kalogeropoulos,Laser Seymour Kaplan,Lashkar Kashif,Valentin V. Khoze,Raman Khurana,Khristian Kotov,Dmytro Kovalskyi,Suchita Kulkarni,Shuichi Kunori,Viktor Kutzner,Hyun Min Lee,S.W. Lee,Seng Pei Liew,Tongyan Lin,Steven Lowette,Romain Madar,Sudhir Malik,Fabio Maltoni,Mario Martinez Perez,Olivier Mattelaer,Kentarou Mawatari,Christopher McCabe,Theo Jean Megy,Enrico Morgante,Stephen Mrenna,Chang Seong Moon,Siddharth Narayanan,Andrew Nelson,Sergio F Novaes,Klaas Padeken,Priscilla Pani,Michele Papucci,Manfred Paulini,Christoph Paus,Jacopo Pazzini,Bjoern Penning,Michael E. Peskin,Deborah Pinna,Massimiliano Procura,S. Qazi,Davide Racco,Emanuele Re,Antonio Riotto,T.G. Rizzo,Rainer Roehrig,David Salek,Arturo Rodolfo Sanchez Pineda,Subir Sarkar,Subir Sarkar,Alexander Schmidt,Steven Schramm,William Shepherd,William Shepherd,Gurpreet Singh,Livia Soffi,Norraphat Srimanobhas,Kevin Sung,Tim M. P. Tait,Timothée Theveneaux-Pelzer,Marc Thomas,Mia Tosi,Daniele Trocino,Sonaina Undleeb,Alessandro Vichi,Fuqiang Wang,Lian-Tao Wang,Ren Jie Wang,Nikola Lazar Whallon,Steven Worm,Mengqing Wu,Sau Lan Wu,Haijun Yang,Yang Yang,Shin Shan Yu,Bryan Zaldivar,Marco Zanetti,Zhiqing Zhang,Alberto Zucchetta +142 more
TL;DR: The final report of the ATLAS-CMS Dark Matter Forum, a forum organized by ATLAS and CMS collaborations with the participation of experts on theories of dark matter, to select a minimal basis set of simplified models that should support the design of the early LHC Run-2 searches is presented in this paper.
Journal ArticleDOI
On the interpretation of a possible ∼ 750 GeV particle decaying into γγ
TL;DR: In this paper, the authors consider the possibility that the decays X! ZZ;Z and W + W are generated by a single vector-like charge 2=3 T quark, or a doublet of vectorlike quarks (T;B), with or without leptons.
Journal ArticleDOI
The diphoton resonance as a gravity mediator of dark matter
TL;DR: In this paper, the authors consider the possibility of interpreting the diphoton excess at 750GeV as a spin-two massive particle (such as a Kaluza-Klein graviton in warped extra-dimensions) which serves as a mediator to Dark Matter via its gravitational couplings to the dark sector and to the Standard Model (SM).
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