English
Related papers

Related papers: Open-source Analysis Tools for Multi-instrument Da…

200 papers

We compute the decay spectrum for dark matter (DM) with masses above the scale of electroweak symmetry breaking, all the way to the Planck scale. For an arbitrary hard process involving a decay to the unbroken standard model, we determine…

High Energy Physics - Phenomenology · Physics 2021-07-07 Christian W. Bauer , Nicholas L. Rodd , Bryan R. Webber

We report the results of a global analysis of dark matter simplified models (DMSMs) with leptophobic mediator particles of spin one, considering the cases of both vector and axial-vector interactions with dark matter (DM) particles and…

Despite the robust cosmological and astrophysical evidence confirming the existence of a non-baryonic matter component in the Universe, the underlying nature of Dark Matter (DM) remains a mystery. Among the several possible scenarios, light…

High Energy Physics - Phenomenology · Physics 2025-05-14 Ana Luisa Foguel , Peter Reimitz , Renata Zukanovich Funchal

We introduce DarkBit, an advanced software code for computing dark matter constraints on various extensions to the Standard Model of particle physics, comprising both new native code and interfaces to external packages. This release…

The majority of the matter in the universe is still unidentified and under investigation by both direct and indirect means. Many experiments searching for the recoil of dark-matter particles off target nuclei in underground laboratories…

High Energy Physics - Phenomenology · Physics 2015-10-28 Michael Klasen , Martin Pohl , Günter Sigl

With several proposed MeV gamma-ray telescopes on the horizon, it is of paramount importance to perform accurate calculations of gamma-ray spectra expected from sub-GeV dark matter annihilation and decay. We present hazma, a python package…

High Energy Physics - Phenomenology · Physics 2020-02-05 Adam Coogan , Logan Morrison , Stefano Profumo

The presence of Dark Matter (DM) is required in the universe regulated by the standard general relativistic theory of gravitation. The nature of DM is however still elusive to any experimental search. We discuss here the process of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 S. Colafrancesco

Dark Matter (DM) is one of the most critical questions to be understood and answered in fundamental physics today. Plenty of astronomical and cosmological observations have already pinned down that DM exists in the Universe, the Milky Way,…

Instrumentation and Methods for Astrophysics · Physics 2022-09-13 Junhui Liao , Yuanning Gao , Zhuo Liang , Zebang Ouyang , Zhaohua Peng , Lifeng Zhang , Lei Zhang , Jian Zheng , Jiangfeng Zhou

In this review the current status of several searches for particle dark matter with the Fermi Large Area Telescope instrument is presented. In particular, the current limits on the weakly interacting massive particles, obtained from the…

High Energy Astrophysical Phenomena · Physics 2015-06-19 M. N. Mazziotta

Observation of gamma-rays from dwarf galaxies is an effective way to search for particle dark matter. Using 4-year data of Fermi-LAT observations on a series of Milky Way satellites, we develop a general way to search for the signals from…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Yue-Lin Sming Tsai , Qiang Yuan , Xiaoyuan Huang

Revealing the essence of dark matter (DM) and dark energy is essential for understanding our universe. Ultralight (rest energy $<$10 eV) bosonic particles, including pseudoscalar axions and axion-like particles (ALPs) have emerged among…

High Energy Physics - Experiment · Physics 2024-07-10 Xiaofei Huang , Xiaolin Ma , Lei Cong , Wei Ji , Jia Liu , Wei Quan , Kai Wei

The particle nature of dark matter (DM) remains one of the most significant enigmas in modern cosmology. Axion-like particles (ALPs), as well-motivated candidates for cold dark matter, can undergo radiative decay into photon pairs, a…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-08 Wen-Qing Guo

The Fermi LAT collaboration has recently presented constraints on the gamma-ray signal from annihilating dark matter using separate analyses of a number of dwarf spheroidal galaxies. Since the expected annihilation signal has the same…

High Energy Astrophysical Phenomena · Physics 2011-03-01 Maja Llena Garde

The concordance Cold Dark Matter model for the formation of structure in the Universe, while remarkably successful at describing observations on large scales, has a number of problems on galaxy scales. The Milky Way and its satellite system…

Astrophysics · Physics 2010-02-19 Steven R. Majewski

Indirect searches for dark matter are based on detecting an anomalous flux of photons, neutrinos or cosmic-rays produced in annihilations or decays of dark matter candidates gravitationally accumulated in heavy cosmological objects, like…

High Energy Astrophysical Phenomena · Physics 2020-10-09 Carlos Pérez de los Heros

In this review, we discuss the role of the various experimental programs taking part in the broader effort to identify the particle nature of dark matter. In particular, we focus on electroweak scale dark matter particles and discuss a wide…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper , Edward A. Baltz

Even if Supersymmetric particles are found at the Large Hadron Collider (LHC), it will be difficult to prove that they constitute the bulk of the Dark Matter (DM) in the Universe using LHC data alone. We study the complementarity of LHC and…

High Energy Astrophysical Phenomena · Physics 2013-05-30 G. Bertone , D. G. Cerdeno , M. Fornasa , L. Pieri , R. Ruiz de Austri , R. Trotta

In the Next-to-Minimal-Supersymmetric-Standard-Model (NMSSM) the lightest supersymmetric particle (LSP) is a candidate for the dark matter (DM) in the universe. It is a mixture from the various gauginos and Higgsinos and can be bino-,…

High Energy Physics - Phenomenology · Physics 2017-09-25 C. Beskidt , W. de Boer , D. I. Kazakov , S. Wayand

Dark matter (DM) in the Milky Way halo may annihilate or decay to photons, producing monochromatic gamma rays. We search for DM-induced spectral lines using 14 years of data from the Large Area Telescope onboard the Fermi Gamma-ray Space…

High Energy Physics - Phenomenology · Physics 2023-06-07 Joshua W. Foster , Yujin Park , Benjamin R. Safdi , Yotam Soreq , Weishuang Linda Xu