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Various methods of searching for supersymmetric dark matter are sensitive to WIMPs with different properties. One consequence of this is that the phenomenology of dark matter detection can vary dramatically in different supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dan Hooper , Lian-Tao Wang

A previous work found that a nonminimally coupled theory of gravity can, under appropriate conditions, give rise to an additional contribution to the field equations interpreted as dark matter [1]: in particular, the density of this dark…

General Relativity and Quantum Cosmology · Physics 2017-12-27 Aníbal Silva , Jorge Páramos

Marginal likelihood, also known as model evidence, is a fundamental quantity in Bayesian statistics. It is used for model selection using Bayes factors or for empirical Bayes tuning of prior hyper-parameters. Yet, the calculation of…

Methodology · Statistics 2024-09-04 Anindya Bhadra , Ksheera Sagar , David Rowe , Sayantan Banerjee , Jyotishka Datta

Galaxy clusters are promising targets for indirect dark matter searches. Gamma-ray signatures from the decay or annihilation of dark matter particles inside these clusters could be observable with the Fermi Large Area Telescope (LAT). Based…

High Energy Physics - Phenomenology · Physics 2015-05-30 Xiaoyuan Huang , Gilles Vertongen , Christoph Weniger

We present a new sink particle algorithm developed for the Adaptive Mesh Refinement code RAMSES. Our main addition is the use of a clump finder to identify density peaks and their associated regions (the peak patches). This allows us to…

Solar and Stellar Astrophysics · Physics 2015-06-23 Andreas Bleuler , Romain Teyssier

This study presents a background estimation for the Cubesats Applied for MEasuring and LOcalising Transients (CAMELOT), which is a proposed fleet of nanosatellites for the all-sky monitoring and timing based localization of gamma-ray…

The Inert Doublet Model is an extension of the Standard Model including one extra ``Inert scalar doublet'' and an exact $Z_2$ symmetry. The ``Inert scalar'' provides a new candidate for dark matter. We present a systematic analysis of the…

High Energy Physics - Phenomenology · Physics 2007-06-04 Laura Lopez Honorez

We present all-sky simulated Fermi maps of gamma-rays from dark matter decay and annihilation in the Local Universe. The dark matter distribution is obtained from a constrained cosmological simulation of the neighboring large-scale…

High Energy Astrophysical Phenomena · Physics 2015-05-19 A. J. Cuesta , T. E. Jeltema , F. Zandanel , S. Profumo , F. Prada , G. Yepes , A. Klypin , Y. Hoffman , S. Gottloeber , J. Primack , M. A. Sanchez-Conde , C. Pfrommer

The Libra Toolkit is a collection of algorithms for learning and inference with discrete probabilistic models, including Bayesian networks, Markov networks, dependency networks, and sum-product networks. Compared to other toolkits, Libra…

Machine Learning · Computer Science 2015-04-02 Daniel Lowd , Amirmohammad Rooshenas

We present an open source Python library for simulating overlapping (i.e., blended) images of galaxies and performing self-consistent comparisons of detection and deblending algorithms based on a suite of metrics. The package, named…

This paper introduces anomalib, a novel library for unsupervised anomaly detection and localization. With reproducibility and modularity in mind, this open-source library provides algorithms from the literature and a set of tools to design…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Samet Akcay , Dick Ameln , Ashwin Vaidya , Barath Lakshmanan , Nilesh Ahuja , Utku Genc

Dark matter is one of the most important open problems in particle physics and cosmology. Weakly interacting massive particles (WIMPs) appear as an appealing solution, providing the right relic density with a cross-section at the…

High Energy Physics - Phenomenology · Physics 2021-10-04 C. Siqueira , Guilherme N. Fortes , Aion Viana , Farinaldo Queiroz

Over the past several decades, unexpected astronomical discoveries have been fueling a new wave of particle model building and are inspiring the next generation of ever-more-sophisticated simulations to reveal the nature of Dark Matter…

We extend the calculation of dark matter direct detection rates via electronic transitions in general dielectric crystal targets, combining state-of-the-art density functional theory calculations of electronic band structures and wave…

High Energy Physics - Phenomenology · Physics 2021-12-01 Sinéad M. Griffin , Katherine Inzani , Tanner Trickle , Zhengkang Zhang , Kathryn M. Zurek

We study the prospects for detecting gamma-rays from decaying Dark Matter (DM), focusing in particular on gravitino DM in R-parity breaking vacua. Given the substantially different angular distribution of the predicted gamma-ray signal with…

Astrophysics · Physics 2009-01-06 Gianfranco Bertone , Wilfried Buchmuller , Laura Covi , Alejandro Ibarra

We consider a simple renormalizable dark matter model consisting of two real scalars with a mass splitting $\delta$, interacting with the SM particles through the Higgs portal. We find a viable parameter space respecting all the bounds…

High Energy Physics - Phenomenology · Physics 2016-02-23 Karim Ghorbani , Hossein Ghorbani

Radio-frequency, indirect dark matter searches have recently been gaining prevalence, due to the high sensitivity and resolution capabilities of the new generation of radio interferometers. MeerKAT is currently one of the most sensitive…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-09 Natasha Lavis , Michael Sarkis , Geoff Beck , Kenda Knowles

Since upcoming telescopes will observe thousands of strong lensing systems, creating fully-automated analysis pipelines for these images becomes increasingly important. In this work, we make a step towards that direction by developing the…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-03 Marco Chianese , Adam Coogan , Paul Hofma , Sydney Otten , Christoph Weniger