Publications (93)
Update on scalar singlet dark matter
James M. Cline, Kimmo Kainulainen, Pat Scott +1
One of the simplest models of dark matter is that where a scalar singlet field S comprises some or all of the dark matter, and interacts with the standard model through an HHSS cou…
Self-consistent approach for measuring the energy spectra and composition of cosmic rays and determining the properties of hadronic interactions at high energy
Andrea Addazi, Andy Buckley, Jose Bellido +25
Air showers, produced by the interaction of energetic cosmic rays with the atmosphere, are an excellent alternative to study particle physics at energies beyond any human-made part…
Dark energy without fine tuning
José Eliel Camargo-Molina, Tommi Markkanen, Pat Scott
We present a two-field model that realises inflation and the observed density of dark energy today, whilst solving the fine-tuning problems inherent in quintessence models. One fie…
Two-loop mass splittings in electroweak multiplets: winos and minimal dark matter
James McKay, Pat Scott
The radiatively-induced splitting of masses in electroweak multiplets is relevant for both collider phenomenology and dark matter. Precision two-loop corrections of (M…
Towards the next generation of simplified Dark Matter models
Andreas Albert, Martin Bauer, Oliver Buchmueller +23
This White Paper is an input to the ongoing discussion about the extension and refinement of simplified Dark Matter (DM) models. Based on two concrete examples, we show how existin…
Thermal WIMPs and the Scale of New Physics: Global Fits of Dirac Dark Matter Effective Field Theories
The GAMBIT Collaboration, Peter Athron, Neal Avis Kozar +24
We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework . We perform a…
Dark stars at the Galactic centre - the main sequence
Pat Scott, Malcolm Fairbairn, Joakim Edsjö
In regions of very high dark matter density such as the Galactic centre, the capture and annihilation of WIMP dark matter by stars has the potential to significantly alter their ev…
Updated constraints on velocity and momentum-dependent asymmetric dark matter
Aaron C. Vincent, Pat Scott, Aldo Serenelli
We present updated constraints on dark matter models with momentum-dependent or velocity-dependent interactions with nuclei, based on direct detection and solar physics. We improve…
Global fits of simplified models for dark matter with GAMBIT II. Vector dark matter with an -channel vector mediator
Christopher Chang, Pat Scott, Tomás E. Gonzalo +2
Global fits explore different parameter regions of a given model and apply constraints obtained at many energy scales. This makes it challenging to perform global fits of simplifie…
Sensitivity of CTA to dark matter signals from the Galactic Center
Mathias Pierre, Jennifer M. Siegal-Gaskins, Pat Scott
(abridged) The Galactic Center is one of the most promising targets for indirect detection of dark matter with gamma rays. We investigate the sensitivity of the upcoming Cherenkov…
Collider constraints on electroweakinos in the presence of a light gravitino
The GAMBIT Collaboration, Viktor Ananyev, Csaba Balázs +19
Using the GAMBIT global fitting framework, we constrain the MSSM with an eV-scale gravitino as the lightest supersymmetric particle, and the six electroweakinos (neutralinos and ch…
Global fits of axion-like particles to XENON1T and astrophysical data
Peter Athron, Csaba Balázs, Ankit Beniwal +13
The excess of electron recoil events seen by the XENON1T experiment has been interpreted as a potential signal of axion-like particles (ALPs), either produced in the Sun, or consti…
Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2
Waleed Abdallah, Shehu AbdusSalam, Azar Ahmadov +139
We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpret…
A global fit of the MSSM with GAMBIT
The GAMBIT Collaboration, Peter Athron, Csaba Balázs +22
We study the seven-dimensional Minimal Supersymmetric Standard Model (MSSM7) with the new GAMBIT software framework, with all parameters defined at the weak scale. Our analysis sig…
Dark stars: structure, evolution and impacts upon the high-redshift Universe
Pat Scott
The most compelling and popular models for dark matter predict that it should congregate and annihilate in stellar cores. Stars where annihilation contributes substantially to the…
Improved constraints on the primordial power spectrum at small scales from ultracompact minihalos
Torsten Bringmann, Pat Scott, Yashar Akrami
For a Gaussian spectrum of primordial density fluctuations, ultracompact minihalos (UCMHs) of dark matter are expected to be produced in much greater abundance than, e.g., primordi…
Quantifying impacts of short-term plasticity on neuronal information transfer
Pat Scott, Anna I. Cowan, Christian Stricker
Short-term changes in efficacy have been postulated to enhance the ability of synapses to transmit information between neurons, and within neuronal networks. Even at the level of c…
Software for Massively Parallel Quantum Computing
Thien Nguyen, Daanish Arya, Marcus Doherty +5
Quantum computing has the potential to offer substantial computational advantages over conventional computing. Recent advances in quantum computing hardware and algorithms have ena…
Dark matter theory: Implications and future prospects for Fermi
Pat Scott
I give a brief review of some of the implications of Fermi data for theories of the identity of dark matter, and their combination with data from other complementary probes. I also…
The DarkStars code: a publicly available dark stellar evolution package
Pat Scott, Joakim Edsjö, Malcolm Fairbairn
We announce the public release of the 'dark' stellar evolution code DarkStars. The code simultaneously solves the equations of WIMP capture and annihilation in a star with those of…
The elemental composition of the Sun I. The intermediate mass elements Na to Ca
Pat Scott, Nicolas Grevesse, Martin Asplund +6
The composition of the Sun is an essential piece of reference data for astronomy, cosmology, astroparticle, space and geo-physics. This article, dealing with the intermediate-mass…
Effect of electromagnetic dipole dark matter on energy transport in the solar interior
Ben Geytenbeek, Soumya Rao, Pat Scott +4
In recent years, a revised set of solar abundances has led to a discrepancy in the sound-speed profile between helioseismology and theoretical solar models. Conventional solutions…
Constraints on small-scale cosmological perturbations from gamma-ray searches for dark matter
Pat Scott, Torsten Bringmann, Yashar Akrami
Events like inflation or phase transitions can produce large density perturbations on very small scales in the early Universe. Probes of small scales are therefore useful for e.g.…
Global analyses of Higgs portal singlet dark matter models using GAMBIT
The GAMBIT Collaboration, Peter Athron, Csaba Balázs +15
We present global analyses of effective Higgs portal dark matter models in the frequentist and Bayesian statistical frameworks. Complementing earlier studies of the scalar Higgs po…
The chemical composition of the Sun
Martin Asplund, Nicolas Grevesse, A. Jacques Sauval +1
The solar chemical composition is an important ingredient in our understanding of the formation, structure and evolution of both the Sun and our solar system. Furthermore, it is an…
Cosmological constraints on decaying axion-like particles: a global analysis
Csaba Balázs, Sanjay Bloor, Tomás E. Gonzalo +8
Axion-like particles (ALPs) decaying into photons are known to affect a wide range of astrophysical and cosmological observables. In this study we focus on ALPs with masses in the…
Investigating dark matter substructure with pulsar timing: II. Improved limits on small-scale cosmology
Hamish A. Clark, Geraint F. Lewis, Pat Scott
Ultracompact Minihalos (UCMHs) have been proposed as a type of dark matter sub-structure seeded by large-amplitude primordial perturbations and topological defects. UCMHs are expec…
How well will ton-scale dark matter direct detection experiments constrain minimal supersymmetry?
Yashar Akrami, Christopher Savage, Pat Scott +2
Weakly interacting massive particles (WIMPs) are amongst the most interesting dark matter (DM) candidates. Many DM candidates naturally arise in theories beyond the standard model…
Capt'n General: A generalized stellar dark matter capture and heat transport code
Neal Avis Kozar, Ashlee Caddell, Luke Fraser-Leach +2
Capt'n General is a FORTRAN90 standalone package that can be used to compute the capture and heat transport of dark matter in stars. It can compute capture rates for constant, velo…
Investigating dark matter substructure with pulsar timing: I. Constraints on ultracompact minihalos
Hamish A. Clark, Geraint F. Lewis, Pat Scott
Small-scale dark matter structure within the Milky Way is expected to affect pulsar timing. The change in gravitational potential induced by a dark matter halo passing near the lin…
A possible indication of momentum-dependent asymmetric dark matter in the Sun
Aaron C. Vincent, Pat Scott, Aldo Serenelli
Broad disagreement persists between helioseismological observables and predictions of solar models computed with the latest surface abundances. Here we show that most of these prob…
Evaporation and scattering of momentum- and velocity-dependent dark matter in the Sun
Giorgio Busoni, Andrea De Simone, Pat Scott +1
Dark matter with momentum- or velocity-dependent interactions with nuclei has shown significant promise for explaining the so-called Solar Abundance Problem, a longstanding discrep…
Constraints on cosmic strings from ultracompact minihalos
Madeleine Anthonisen, Robert Brandenberger, Pat Scott
Cosmic strings are expected to form loops. These can act as seeds for accretion of dark matter, leading to the formation of ultracompact minihalos (UCMHs). We perform a detailed st…
On the solar nickel and oxygen abundances
Pat Scott, Martin Asplund, Nicolas Grevesse +1
Determinations of the solar oxygen content relying on the neutral forbidden transition at 630 nm depend upon the nickel abundance, due to a Ni I blend. Here we rederive the solar n…
Gamma rays from ultracompact primordial dark matter minihalos
Pat Scott, Sofia Sivertsson
Ultracompact minihalos have recently been proposed as a new class of dark matter structure. These minihalos would be produced by phase transitions in the early Universe or features…
Global fits of simplified models for dark matter with GAMBIT I. Scalar and fermionic models with s-channel vector mediators
Christopher Chang, Pat Scott, Tomás E. Gonzalo +3
Simplified models provide a useful way to study the impacts of a small number of new particles on experimental observables and the interplay of those observables, without the need…
Searches for Particle Dark Matter: An Introduction
Pat Scott
The identity of dark matter is one of the key outstanding problems in both particle and astrophysics. In this thesis, I describe a number of complementary searches for particle dar…
The GAMBIT Universal Model Machine: from Lagrangians to Likelihoods
Sanjay Bloor, Tomás E. Gonzalo, Pat Scott +7
We introduce the GAMBIT Universal Model Machine (GUM), a tool for automatically generating code for the global fitting software framework GAMBIT, based on Lagrangian-level inputs.…
A realistic assessment of the CTA sensitivity to dark matter annihilation
Hamish Silverwood, Christoph Weniger, Pat Scott +1
We estimate the sensitivity of the upcoming CTA gamma-ray telescope to DM annihilation at the Galactic centre, improving on previous analyses in a number of significant ways. First…
Impact of vacuum stability, perturbativity and XENON1T on global fits of and scalar singlet dark matter
Peter Athron, Jonathan M. Cornell, Felix Kahlhoefer +3
Scalar singlet dark matter is one of the simplest and most predictive realisations of the WIMP (weakly-interacting massive particle) idea. Although the model is constrained from al…
Hunting for dark halo substructure using submilliarcsecond-scale observations of macrolensed radio jets
Erik Zackrisson, Saghar Asadi, Kaj Wiik +8
Dark halo substructure may reveal itself through secondary, small-scale gravitational lensing effects on light sources that are macrolensed by a foreground galaxy. Here, we explore…
Combined collider constraints on neutralinos and charginos
The GAMBIT Collaboration, Peter Athron, Csaba Balázs +18
Searches for supersymmetric electroweakinos have entered a crucial phase, as the integrated luminosity of the Large Hadron Collider is now high enough to compensate for their weak…
Sensitivity of IceCube-DeepCore to neutralino dark matter in the MSSM-25
Hamish Silverwood, Pat Scott, Matthias Danninger +5
We analyse the sensitivity of IceCube-DeepCore to annihilation of neutralino dark matter in the solar core, generated within a 25 parameter version of the minimally supersymmetric…
Axion global fits with Peccei-Quinn symmetry breaking before inflation using GAMBIT
Sebastian Hoof, Felix Kahlhoefer, Pat Scott +2
We present global fits of cosmologically stable axion-like particle and QCD axion models in the mass range 0.1 neV to 10 eV. We focus on the case where the Peccei-Quinn symmetry is…
Implications of solar wind measurements for solar models and composition
Aldo Serenelli, Pat Scott, Francesco L. Villante +5
We critically examine recent claims of a high solar metallicity by von Steiger \& Zurbuchen (2016) based on \textit{in situ} measurements of the solar wind, rather than the standar…
FlavBit: A GAMBIT module for computing flavour observables and likelihoods
Florian U. Bernlochner, Marcin Chrzaszcz, Lars A. Dal +10
Flavour physics observables are excellent probes of new physics up to very high energy scales. Here we present FlavBit, the dedicated flavour physics module of the global-fitting p…
Implications for constrained supersymmetry of combined H.E.S.S. observations of dwarf galaxies, the Galactic halo and the Galactic Centre
Joachim Ripken, Jan Conrad, Pat Scott
In order to place limits on dark matter (DM) properties using -ray observations, previous analyses have often assumed a very simple parametrisation of the -ray annihilation…
Finding high-redshift dark stars with the James Webb Space Telescope
Erik Zackrisson, Pat Scott, Claes-Erik Rydberg +7
The first stars in the history of the Universe are likely to form in the dense central regions of 10^5-10^6 Msolar cold dark matter halos at z=10-50. The annihilation of dark matte…
GAMBIT: The Global and Modular Beyond-the-Standard-Model Inference Tool
The GAMBIT Collaboration, Peter Athron, Csaba Balazs +29
We describe the open-source global fitting package GAMBIT: the Global And Modular Beyond-the-Standard-Model Inference Tool. GAMBIT combines extensive calculations of observables an…
Neutrino telescope searches for dark matter in the Sun
Pat Scott
I give a brief review of a few recent developments and future directions in the search for dark matter using high-energy neutrinos from the Sun. This includes the ability to recast…
Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
Tulika Bose, Antonio Boveia, Caterina Doglioni +318
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. It combines the EF topical group reports of EF08 (Model-specific explorations), EF09 (More gen…
Detection of isolated population III stars with the James Webb Space Telescope
Claes-Erik Rydberg, Erik Zackrisson, Peter Lundqvist +1
The first population III stars are predicted to form in minihalos at a redshift of approximately 10-30. The James Webb Space Telescope (JWST), tentatively scheduled for launch in 2…
The Zero Age Main Sequence of WIMP burners
Malcolm Fairbairn, Pat Scott, Joakim Edsjo
We modify a stellar structure code to estimate the effect upon the main sequence of the accretion of weakly interacting dark matter onto stars and its subsequent annihilation. The…
Faint objects in motion: the new frontier of high precision astrometry
Fabien Malbet, Céline Boehm, Alberto Krone-Martins +83
Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint ob…
Dark Matter CMB Constraints and Likelihoods for Poor Particle Physicists
James M. Cline, Pat Scott
The cosmic microwave background provides constraints on the annihilation and decay of light dark matter at redshifts between 100 and 1000, the strength of which depends upon the fr…
Theia: Faint objects in motion or the new astrometry frontier
The Theia Collaboration, Celine Boehm, Alberto Krone-Martins +96
In the context of the ESA M5 (medium mission) call we proposed a new satellite mission, Theia, based on relative astrometry and extreme precision to study the motion of very faint…
Status of the scalar singlet dark matter model
The GAMBIT Collaboration, Peter Athron, Csaba Balázs +24
One of the simplest viable models for dark matter is an additional neutral scalar, stabilised by a symmetry. Using the GAMBIT package and combining results from four…
Pitfalls of iterative pole mass calculation in electroweak multiplets
James McKay, Pat Scott, Peter Athron
The radiatively-induced mass splitting between components of an electroweak multiplet is typically of order 100 MeV. This is sufficient to endow the charged components with macrosc…
Light bosons and photospheric solutions to the solar abundance problem
Aaron C. Vincent, Pat Scott, Regner Trampedach
It is well known that current spectroscopic determinations of the chemical composition of the Sun are starkly at odds with the metallicity implied by helioseismology. We investigat…
Generalised form factor dark matter in the Sun
Aaron C. Vincent, Aldo Serenelli, Pat Scott
We study the effects of energy transport in the Sun by asymmetric dark matter with momentum and velocity-dependent interactions, with an eye to solving the decade-old Solar Abundan…
Low mass stellar evolution with WIMP capture and annihilation
Pat Scott, Joakim Edsjö, Malcolm Fairbairn
Recent work has indicated that WIMP annihilation in stellar cores has the potential to contribute significantly to a star's total energy production. We report on progress in simula…
DarkBit: A GAMBIT module for computing dark matter observables and likelihoods
Torsten Bringmann, Jan Conrad, Jonathan M. Cornell +11
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 co…
Global fits of GUT-scale SUSY models with GAMBIT
The GAMBIT Collaboration, Peter Athron, Csaba Balázs +23
We present the most comprehensive global fits to date of three supersymmetric models motivated by grand unification: the Constrained Minimal Supersymmetric Standard Model (CMSSM),…
CosmoBit: A GAMBIT module for computing cosmological observables and likelihoods
The GAMBIT Cosmology Workgroup, :, Janina J. Renk +13
We introduce , a module within the open-source software framework for exploring connections between cosmology and particle physics with joint global fi…
Statistical challenges in the search for dark matter
Sara Algeri, Melissa van Beekveld, Nassim Bozorgnia +19
The search for the particle nature of dark matter has given rise to a number of experimental, theoretical and statistical challenges. Here, we report on a number of these statistic…
Ultracompact minihalos as probes of inflationary cosmology
Grigor Aslanyan, Layne C. Price, Jenni Adams +5
Cosmological inflation generates primordial density perturbations on all scales, including those far too small to contribute to the cosmic microwave background. At these scales, is…
A comparison of optimisation algorithms for high-dimensional particle and astrophysics applications
The DarkMachines High Dimensional Sampling Group, Csaba Balázs, Melissa van Beekveld +18
Optimisation problems are ubiquitous in particle and astrophysics, and involve locating the optimum of a complicated function of many parameters that may be computationally expensi…
ColliderBit: a GAMBIT module for the calculation of high-energy collider observables and likelihoods
Csaba Balázs, Andy Buckley, Lars A. Dal +12
We describe ColliderBit, a new code for the calculation of high energy collider observables in theories of physics beyond the Standard Model (BSM). ColliderBit features a generic i…
The elemental composition of the Sun III. The heavy elements Cu to Th
Nicolas Grevesse, Pat Scott, Martin Asplund +1
We re-evaluate the abundances of the elements in the Sun from copper () to thorium (). Our results are mostly based on neutral and singly-ionised lines in the solar spe…
Simple and statistically sound recommendations for analysing physical theories
Shehu S. AbdusSalam, Fruzsina J. Agocs, Benjamin C. Allanach +72
Physical theories that depend on many parameters or are tested against data from many different experiments pose unique challenges to statistical inference. Many models in particle…
Global fit of 2HDM with future collider results
Ankit Beniwal, Filip Rajec, Markus Tobias Prim +5
In this work, we summarize a global fit study of Type-II two Higgs doublet models (2HDM), and explore the impact of future SM-like Higgs and Z-pole precision measurements on the al…
Global analyses of supersymmetry with GAMBIT
Pat Scott
I provide a brief summary of the status of supersymmetric models with parameters defined at either the unification or weak scale, based on global fits using the GAMBIT framework.
A Global Fit of Non-Relativistic Effective Dark Matter Operators Including Solar Neutrinos
Neal P. Avis Kozar, Pat Scott, Aaron C. Vincent
We perform a global fit of dark matter interactions with nucleons using a non-relativistic effective operator description, considering both direct detection and neutrino data. We e…
Observational constraints on supermassive dark stars
Erik Zackrisson, Pat Scott, Claes-Erik Rydberg +6
Some of the first stars could be cooler and more massive than standard stellar models would suggest, due to the effects of dark matter annihilation in their cores. It has recently…
Strengthening the bound on the mass of the lightest neutrino with terrestrial and cosmological experiments
The GAMBIT Cosmology Workgroup, :, Patrick Stöcker +12
We determine the upper limit on the mass of the lightest neutrino from the most robust recent cosmological and terrestrial data. Marginalizing over possible effective relativistic…
: the cross-section evaluation code
Andy Buckley, Anders Kvellestad, Are Raklev +4
The evaluation of higher-order cross-sections is an important component in the search for new physics, both at hadron colliders and elsewhere. For most new physics processes of int…
Heating of galactic gas by dark matter annihilation in ultracompact minihalos
Hamish A. Clark, Nikolas Iwanus, Pascal J. Elahi +2
The existence of substructure in halos of annihilating dark matter would be expected to substantially boost the rate at which annihilation occurs. Ultracompact minihalos of dark ma…
Simulation of energy transport by dark matter scattering in stars
Hannah Banks, Siyam Ansari, Aaron C. Vincent +1
Asymmetric dark matter (ADM) that is captured in stars can act as an efficient conductor of heat. Small ADM-induced changes in a star's temperature gradient are known to alter neut…
Impacts of WIMP dark matter upon stellar evolution: main-sequence stars
Pat Scott, Malcolm Fairbairn, Joakim Edsjö
The presence of large amounts of WIMP dark matter in stellar cores has been shown to have significant effects upon models of stellar evolution. We present a series of detailed grid…
SpecBit, DecayBit and PrecisionBit: GAMBIT modules for computing mass spectra, particle decay rates and precision observables
The GAMBIT Models Workgroup, :, Peter Athron +12
We present the GAMBIT modules SpecBit, DecayBit and PrecisionBit. Together they provide a new framework for linking publicly available spectrum generators, decay codes and other pr…
Combined analysis of effective Higgs portal dark matter models
Ankit Beniwal, Filip Rajec, Christopher Savage +4
We combine and extend the analyses of effective scalar, vector, Majorana and Dirac fermion Higgs portal models of dark matter (DM), in which DM couples to the Standard Model (SM) H…
Impacts of Dark Stars on Reionization and Signatures in the Cosmic Microwave Background
Pat Scott, Aparna Venkatesan, Elinore Roebber +3
We perform a detailed and systematic investigation of the possible impacts of dark stars upon the reionization history of the Universe, and its signatures in the cosmic microwave b…
Statistical coverage for supersymmetric parameter estimation: a case study with direct detection of dark matter
Yashar Akrami, Christopher Savage, Pat Scott +2
Models of weak-scale supersymmetry offer viable dark matter (DM) candidates. Their parameter spaces are however rather large and complex, such that pinning down the actual paramete…
Number Counts and Non-Gaussianity
Sarah Shandera, Adrienne L. Erickcek, Pat Scott +1
We describe a general procedure for using number counts of any object to constrain the probability distribution of the primordial fluctuations, allowing for generic weak non-Gaussi…
GAMBIT and its Application in the Search for Physics Beyond the Standard Model
Anders Kvellestad, Pat Scott, Martin White
The Global and Modular Beyond-Standard Model Inference Tool (GAMBIT) is an open source software framework for performing global statistical fits of particle physics models, using a…
Direct Constraints on Minimal Supersymmetry from Fermi-LAT Observations of the Dwarf Galaxy Segue 1
Pat Scott, Jan Conrad, Joakim Edsjö +3
The dwarf galaxy Segue 1 is one of the most promising targets for the indirect detection of dark matter. Here we examine what constraints 9 months of Fermi-LAT gamma-ray observatio…
Pippi - painless parsing, post-processing and plotting of posterior and likelihood samples
Pat Scott
Interpreting samples from likelihood or posterior probability density functions is rarely as straightforward as it seems it should be. Producing publication-quality graphics of the…
Fundamental statistical limitations of future dark matter direct detection experiments
Charlotte Strege, Roberto Trotta, Gianfranco Bertone +2
We discuss irreducible statistical limitations of future ton-scale dark matter direct detection experiments. We focus in particular on the coverage of confidence intervals, which q…
A Profile Likelihood Analysis of the Constrained MSSM with Genetic Algorithms
Yashar Akrami, Pat Scott, Joakim Edsjö +2
The Constrained Minimal Supersymmetric Standard Model (CMSSM) is one of the simplest and most widely-studied supersymmetric extensions to the standard model of particle physics. Ne…
The elemental composition of the Sun II. The iron group elements Sc to Ni
Pat Scott, Martin Asplund, Nicolas Grevesse +2
We redetermine the abundances of all iron group nuclei in the Sun, based on neutral and singly-ionised lines of Sc, Ti, V, Mn, Fe, Co and Ni in the solar spectrum. We employ a real…
Dark matter substructure cannot explain properties of the Fermi Galactic Centre excess
Hamish A. Clark, Pat Scott, Roberto Trotta +1
An excess of gamma rays has been identified at the centre of the Milky Way, and annihilation of dark matter has been posited as a potential source. This hypothesis faces significan…
Comparison of statistical sampling methods with ScannerBit, the GAMBIT scanning module
The GAMBIT Scanner Workgroup, :, Gregory D. Martinez +6
We introduce ScannerBit, the statistics and sampling module of the public, open-source global fitting framework GAMBIT. ScannerBit provides a standardised interface to different sa…
Thermal conduction by dark matter with velocity and momentum-dependent cross-sections
Aaron C. Vincent, Pat Scott
We use the formalism of Gould and Raffelt to compute the dimensionless thermal conduction coefficients for scattering of dark matter particles with standard model nucleons via cros…