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Related papers: Counting dark matter particles in LHC events

200 papers

It is possible that the strongest interactions between dark matter and the Standard Model occur via the neutrino sector. Unlike gamma rays and charged particles, neutrinos provide a unique avenue to probe for astrophysical sources of dark…

High Energy Physics - Phenomenology · Physics 2023-11-07 Carlos A. Argüelles , Diyaselis Delgado , Avi Friedlander , Ali Kheirandish , Ibrahim Safa , Aaron C. Vincent , Henry White

We derive the spectra arising from non-relativistic dark matter annihilations or decays into intermediary particles with arbitrary spin, which subsequently produce neutrinos or photons via two-body decays. Our approach is model independent…

High Energy Physics - Phenomenology · Physics 2016-08-12 Camilo Garcia-Cely , Julian Heeck

We calculate cross sections for the far forward LHC detectors to be used for luminosity measurement. A simple model, based on a parametrization of available inclusive neutron data and the assumption that 2 arm rates in non-diffractive…

High Energy Physics - Phenomenology · Physics 2010-05-11 Sebastian White

Dark Matter is one of the most intriguing riddles of modern astrophysics. The Standard Cosmological Model implies that only 4.5% of the mass-energy of the Universe is baryonic matter and the remaining 95% is unknown. Of this remainder, 22%…

Instrumentation and Methods for Astrophysics · Physics 2010-11-19 Andrzej M. Szelc

About 80 percent of the matter content of the universe is dark matter. However, the particle origin of dark matter is yet to be established. Many extensions of the Standard Model (SM) contain candidates of dark matter. The search for the…

High Energy Physics - Phenomenology · Physics 2014-03-26 Bhaskar Dutta

Direct dark matter detection experiments will soon be sensitive to neutrinos from astrophysical sources, including the Sun, the atmosphere, and supernova. This sets an important benchmark for these experiments, and opens up a new window in…

High Energy Physics - Phenomenology · Physics 2020-01-08 Bhaskar Dutta , Louis E. Strigari

In this chapter we review the current theoretical state of the art of small black holes at the LHC. We discuss the production mechanism for small non thermal black holes at the LHC and discuss new signatures due to a possible discrete mass…

High Energy Physics - Phenomenology · Physics 2013-01-10 Xavier Calmet , Dionysios Fragkakis , Nina Gausmann

The evidence for the existence of dark matter in the universe is reviewed. A general picture emerges, where both baryonic and non-baryonic dark matter is needed to explain current observations. In particular, a wealth of observational…

High Energy Physics - Phenomenology · Physics 2009-07-09 L. Bergstrom

We first discuss the motivation for measuring slepton masses at the LHC, emphasizing their importance for cosmology. Next we investigate the possibility of making slepton mass determinations at the LHC in neutralino decays. We demonstrate…

High Energy Physics - Phenomenology · Physics 2009-10-09 A. Birkedal , R. C. Group , K. Matchev

A search for dark matter particles is performed using events with a Z boson candidate and large missing transverse momentum. The analysis is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected by the CMS…

High Energy Physics - Experiment · Physics 2021-04-21 CMS Collaboration

Observational evidences of nonzero neutrino masses and the existence of dark matter request physics beyond standard model. A model with extra scalars and leptonic vector-like fermions is introduced. By imposing a Z_2 symmetry, the neutrino…

High Energy Physics - Phenomenology · Physics 2011-04-20 Chian-Shu Chen , Chung-Hsien Chou

If dark matter is composed of new particles, these may become captured after scattering with nuclei in the Sun, thermalise through additional scattering, and finally annihilate into neutrinos that can be detected on Earth. If dark matter…

High Energy Physics - Phenomenology · Physics 2019-05-09 Mattias Blennow , Stefan Clementz , Juan Herrero-Garcia

As conventional dark matter scenarios have been probed extensively so far, the physics of a light dark matter charged under a new gauge group (dark gauge group) becomes one of new research avenues in many theoretical and experimental…

High Energy Physics - Phenomenology · Physics 2018-09-26 Minho Kim , Hye-Sung Lee , Myeonghun Park , Mengchao Zhang

The evidence for dark matter signals a new class of particles at the TeV scale, which may manifest themselves indirectly through loop effects. In a simple model we show that these loop effects may be responsible for the enhanced muon…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thomas Hambye , Kristjan Kannike , Ernest Ma , Martti Raidal

The Large Hadron electron Collider (LHeC) has been designed to push the field of deep inelastic scattering to the high energy and intensity frontier using an intense electron beam with a proton beam from the High Luminosity-Large Hadron…

High Energy Physics - Phenomenology · Physics 2023-05-17 Guo-yuan Huang , Sudip Jana , Alvaro S. de Jesus , Farinaldo S. Queiroz , Werner Rodejohann

We explore signals of new physics with two Higgs bosons and large missing transverse energy at the LHC. Such a signature is characteristic of models for dark matter or other secluded particles that couple to the standard model through an…

High Energy Physics - Phenomenology · Physics 2019-05-01 Monika Blanke , Simon Kast , Jennifer M. Thompson , Susanne Westhoff , José Zurita

We consider a minimal extension of the Standard Model with a hidden sector charged under a dark local $U(1)'$ gauge group, accounting simultaneously for light neutrino masses and the observed Dark Matter relic abundance. The model contains…

High Energy Physics - Phenomenology · Physics 2020-02-14 Julia Gehrlein , Mathias Pierre

We investigate new physics scenarios where systems comprised of a single top quark accompanied by missing transverse energy, dubbed monotops, can be produced at the LHC. Following a simplified model approach, we describe all possible…

High Energy Physics - Phenomenology · Physics 2014-02-05 Jean-Laurent Agram , Jeremy Andrea , Michael Buttignol , Eric Conte , Benjamin Fuks

We show that simultaneously explaining dark matter and the observed value of the muon's magnetic dipole moment may lead to yet unexplored photon signals at the LHC. We consider the Minimal Supersymmetric Standard Model with electroweakino…

High Energy Physics - Phenomenology · Physics 2023-10-24 Sebastian Baum , Marcela Carena , Tong Ou , Duncan Rocha , Nausheen R. Shah , Carlos E. M. Wagner

Di-Higgs production at the LHC associated with missing transverse energy is explored in the context of simplified models that generically parameterize a large class of models with heavy scalars and dark matter candidates. Our aim is to…

High Energy Physics - Phenomenology · Physics 2024-11-25 Ernesto Arganda , Manuel Epele , Nicolas I. Mileo , Roberto A. Morales