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the axion was posed as a solution to the cp problem of qcd, but axion-like particles (alps) also arise in string theory and are a dark matter (dm) candidate. most laboratory axion searches have concentrated on the 0.001-0.1 mev mass range however there is growing interest in heavier (dfsz) axions above 10 mev which avo... | no x-rays shining through a wall: a search for heavy, axion-like particles with a free electron laser |
with the success of the large hadron collider (lhc) at cern, a new era of discovery has just begun. the su(3)c x su(2)l x u(1)y standard model (sm) of electroweak and strong interactions has once again endured intensive scrutiny. most spectacularly, the recent discovery of a particle which seems to be the sm higgs has ... | intersections of astrophysics, cosmology and particle physics |
the identity and origin of dark matter is one of the more elusive mysteries in the fields of particle physics and cosmology. in the near future, direct dark matter detectors will offer a chance at observing dark matter non-gravitationally for the first time. in this thesis, formalisms are developed to analyze direct de... | direct dark matter detection phenomenology |
one of the most important scientific goals of the next decade is to uncover the nature of dark matter (dm). several dm models characterized by a low mass (well below 1 ev) scalar field are thought to be detectable by table-top atomic, molecular, and optical experiments [1]. these candidate dm particles carry a mass sma... | spud: spectroscopy for ultralight dark matter |
a vast number of independent astrophysical and cosmological observations suggest that the dominant form of matter in the universe, known as dark matter, is neither luminous nor baryonic. despite nearly half a decade of research, the non-gravitational nature of dark matter, if any, remains a mystery. motivated primarily... | dark matter signals |
the question of the identity of dark matter is one of the most outstanding enigmas of contemporary cosmology and particle astrophysics. an overview is given of the subject, a brief history, some proposed particle candidates, and the several methods now available for finally solving this difficult problem. the galactic ... | dark matter and the galactic center |
we describe a promising method for measuring the total dark matter mass near a supermassive black hole at the galactic center based on observations of nonrelativistic precession of the orbits of fast s0 stars. an analytical expression for the precession angle has been obtained under the assumption of a power-law profil... | dark matter distribution and annihilation at the galactic center |
the inert higgs doublet model is an extension of the standard model with an extra scalar doublet. the extra doublet is $z_2$ odd while all the other particles are $z_2$ even, thus the model contains a dark matter candidate. it is known that the spin-independent cross section of the dark matter and the nucleon is highly... | quantum corrections to the spin-independent cross section in the inert higgs doublet model |
we propose a simple gauged u(1)b-l extension of the minimal supersymmetric standard model (mssm), where r-parity is conserved as usual in the mssm. the global b-l (baryon minus lepton number) symmetry in the mssm is gauged and three mssm gauge-singlet chiral multiplets with a unit b-l charge are introduced, ensuring th... | supersymmetric minimal b-l and left-right models |
it is generally well known that the standard model of particle physics is not the ultimate theory of fundamental interactions as it has inumerous unsolved problems, so it must be extended. deciphering the nature of dark matter remains one of the great challenges of contemporary physics. supersymmetry is probably the mo... | search for new physics in light of interparticle potentials and a very heavy dark matter candidate |
the particle nature of dark matter (dm) is one of the most important open questions in particle physics today. axions, and axion like particles (alps), more generally, have emerged as one of the leading candidates to to explain the dm abundance of the universe. experimental searches for axion dm (adm) have traditionall... | dmradio: a search for axion dark matter |
madhat (model-agnostic dark halo analysis tool) analyzes gamma-ray emission from dwarf satellite galaxies and dwarf galaxy candidates due to dark matter annihilation, dark matter decay, or other nonstandard or unknown astrophysics. the tool is data-driven and model-independent, and provides statistical upper bounds on ... | madhat: gamma-ray emission analyzer |
the detection of dark matter is a high priority in searches for beyond the standard model physics. one candidate for dark matter is a weakly interacting massive particle (wimp) with a mass above the gev scale. proposals for the use of light nuclei for dark matter direct detection require a strong theoretical understand... | large-nc constraints for one- and two-nucleon currents in pionless effective field theory for dark matter direct detection |
axions or more generally axion-like particles (alps) are pseudo-scalar particles predicted by many extensions of the standard model of particle physics (sm) and considered as highly viable candidates for dark matter (dm) in the universe. if they exist in nature, they are expected to couple with photons in the presence ... | phenomenology of axion-like particles coupling with photons in the jets of active galactic nuclei |
jets from quasars and other active galactic nuclei can exceed their host galaxy in size and luminosity, yet their astrophysical mechanism remains obscure. more than four decades ago, blandford and znajek argued that the jets come from frame drag by the spin of a super-massive black hole. however, direct observational t... | quasar jets probe dark matter |
the dark matter wimp proposed here has the following properties: (1) its mass is <= 125 gev. (2) it will yield the observed dark matter abundance if its mass is ~ 75 gev. (3) the cross-section for nuclear scattering is consistent with the limits from direct detection experiments, (4) the cross-section for collider p... | experimental signatures of a new dark matter wimp |
extending the standard model (sm) with a new strongly coupled dark sector can generate models with both an experimentally accessible dark meson production mechanism and a viable dark matter candidate particle. a search for dark mesons is presented in an integrated luminosity of 139 fb-1 of proton-proton collision data ... | search for dark mesons decaying to top and bottom quarks in 139 fb-1 of proton-proton collision data at √s = 13 tev with the atlas detector at the lhc. |
a potential dark matter candidate is the twin higgs model known as mirror matter, which is identical to the standard model but the particle masses are heavier. recent work explored the idea of mirror neutron stars based on creating a crust to core standard model equation of state and using lattice quantum chromodynamic... | binary mergers of neutron star and mirror neutron stars |
the damic (dark matter in ccds) experiment utilizes high resistivity, scientific grade ccds to search for ionization interactions produced by dark matter. however with a demonstrated combination of low electronic noise of 1.6 e-, an ionization response threshold of 35 evee and high spatial resolution of particle intera... | direct detection limits on milli-charged particles from the damic-100 experiment at snolab |
open questions related to the mechanism of electroweak symmetry breaking, the phenomenology and nature of the recently discovered higgs boson, and the identity of dark matter are leading motivations for the study of physics beyond the standard model. advances in these areas are often made even more compelling by their ... | studies in higgs physics, particle dark matter, and the early universe |
we report on the fermi high-latitude extended sources catalog (fhes), a comprehensive search for spatially extended gamma-ray sources at high galactic latitudes based on data from the fermi large area telescope (lat). while the majority of high-latitude lat sources are extragalactic blazars that appear point-like withi... | searches for angular extension in high latitude fermi-lat sources |
the era of precision cosmology has revealed that about 85% of the matter in the universe is dark matter. two well-motivated candidates are weakly interacting massive particles (wimps) and weakly interacting sub-ev particles (wisps) (e.g. axions). both wimps and wisps possess distinct gamma-ray signatures. over the last... | looking under a better lamppost: mev-scale dark matter candidates |
axion-like particles (alps) are predicted by string theory and are promising dark matter candidates. in the presence of a magnetised plasma, photons may inter-convert into alps of mass m as determined by the photon-alp coupling strength g. x-rays from the central active nuclei (agn) hosted by cool-core clusters should ... | probing physics beyond the standard model with current and next-generation x-ray observatories: a case for very-light axion-like particles |
analysis of inter- and intra-galactic velocities indicated a mismatch between potential and kinetic energy that was removed by postulating gravitational impact of non-luminous dark matter on luminous matter. among the various candidates that have been suggested as dark matter constituents are axions - hypothetical ultr... | searches for ultralight dark matter |
the lux-zeplin (lz) experiment is a 7 active tonne liquid xenon (lxe) time projection chamber designed primarily to search for weakly interacting massive particles (wimps), a leading candidate dark matter (dm) particle. natural xenon contains 8.9% of the isotope 136xe, a known double beta decay element, endowing lz wit... | the 136xe neutrinoless double beta decay search with lz |
dark matter (dm) accounts for the vast majority of mass in the universe, but the particle identity of dark matter remains a mystery. uncovering the fundamental nature of dm remains one of the greatest challenges facing modern physics. because the only information about dm comes from astrophysical observations, these ar... | constraining dark matter physics with cosmological simulations |
axion remains the most convincing solution to the strong-cp problem and a well-motivated dark matter candidate, causing the search for axions and axion-like particles(alps) to attract attention continually. the exchange of such particles may cause anomalous spin-dependent forces, inspiring many laboratory alp searching... | ultrasensitive optomechanical detection of an axion-mediated force based on a sharp peak emerging in probe absorption spectrum |
in the minimal standard model (msm) there is no degree of freedom for dark matter. there are several extensions of the msm introducing a new particle - an invisible axion, which can be regarded as a trustworthy candidate at least for a part of the dark matter component. however, as it is extremely weakly coupled, it ca... | oblique corrections in the dine-fischler-srednicki axion model |
synchrotron emission can be a good probe for dark matter particles in the milky way. we have investigated the production of electrons and positrons in the milky way within the context of dark matter annihilation. upper limits on the relevant cross-section are obtained by comparing synchrotron emission in the microwave ... | constraints on dark matter annihilation by synchrotron emission based on planck data |
superconducting qubits are a leading candidate for realization of a fault-tolerant quantum computer. however, nonequilibrium quasiparticles can seriously degrade device fidelity. we find that the dominant mechanism for quasiparticle poisoning is direct absorption of pair-breaking photons at the qubit junction. the isla... | quasiparticle poisoning mediated by spurious antenna modes of the transmon qubit |
the axion resonant interaction detection experiment (ariadne) will search for the peccei-quinn (pq) axion, a hypothetical particle that is a dark matter candidate. using a new technique based on nuclear magnetic resonance, this new method can probe well into the allowed pq axion mass range. additionally, it does not re... | testing the rotation stage in the ariadne axion experiment |
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-, higgsino- or singlino-dominated. these different scenarios are investigated in detail... | perspectives of direct detection of supersymmetric dark matter in the mssm and nmssm |
we present an analysis of fermionic dark matter (dm) in the context of 6 dimensional effective field theory (eft). we also compared the result generated via the 6-dimensional eft analysis with the current experimental results for dark matter searches. these experiments are methodically categorised as direct and indirec... | analysis of direct and indirect detection of fermionic dark matter of 6-dimensional effective field theory |
in a series of recent papers it was suggested that the pairs of virtual particles-antiparticles composing the quantum vacuum (qv) can behave like gravitational dipoles with both attractive and repulsive interaction. if verified, this hypothesis would give raise to a series of gravitational effects at different scale le... | astrometric detection of gravitational effects of quantum vacuum |
many experiments are currently searching for weakly interactive massive particles (wimps), a well-motivated class of hypothetical dark matter candidates. these direct dark matter detection experiments are located in deep underground to shield from cosmic-ray muons and the fast neutrons they produce. fast neutrons are p... | understanding fast neutrons utilizing a water cherenkov detector and a gas-filled detector at the soudan underground laboratory |
effective theory provides an attractive interface between nuclear theory and results from direct detection dark matter searches, on one hand, and candidate ultraviolet theories for describing dark matter on a more fundamental level, on the other. i describe a recently developed nucleon-level effective theory of dark ma... | nuclear physics of dark matter detection |
the cryogenic underground observatory for rare events (cuore) is an array of 988 tio2 crystal bolometers currently operating at gran sasso national laboratory. the primary analysis of cuore is to search for the ultra-rare process of neutrinoless double-beta (0νββ) in te-130, which has an energy region of interest (roi)... | prospects of a solar axion search with cuore |
the standard model (sm) does not provide an information for 26% of dark matter of the universe. in the dark sector, dark matter is supposed to be linked with the hypothetical particles called dark photons that have similar role to photons in electromagnetic interaction in the sm. besides astronomical observation, there... | search for dark photon in e+e− → a′a′ using future collider experiments |
it is well known that the 4-rotation in four-dimensional space-time is equivalent to the c p t transformation (c is the charge conjugation, p is the space inversion, and t is the time reversal). the standard definition of the t reversal includes the change of the sign of the time variable and replacement of the initial... | alternative interpretation of relativistic time-reversal and the time arrow |
the cherenkov telescope array (cta) is a paramount project for investigating the mysteries of the universe such as the nature of dark matter. weakly interacting massive particles (wimps) have been a leading dark matter candidate for a long time. searches for wimps have been pursued with an intense effort over the last ... | dark matter searches with the cherenkov telescope array: weakly interacting massive particles and beyond |
the strong cp problem is one of the most fundamental unresolved questions in the standard model of particle physics. the axion, emerging due to the maybe most elegant solution to the strong cp problem, could also solve the long standing dark matter problem. a short introduction to the strong cp problem is given. the ax... | the search of axion dark matter with a dielectric halo-scope: madmax |
the znwo4 crystal scintillator is a promising detector for low counting experiments thanks to the high level of radiopurity and reasonably high optical and scintillation properties. in particular, znwo4 scintillators can be utilized in the searches for double beta processes, in the investigation of rare alpha decays an... | development of znwo4 crystal scintillators for rare events search |
directional detection is a promising way to detect a potential dark matter candidate, weakly interacting massive particles (wimps). it does not only allow us to distinguish wimp signals from potential backgrounds with only a small number of events, but also constrain the wimp velocity distribution in the galaxy. furthe... | galactic halo model selection using bayesian inference under directional dark matter detection |
the catalina sky survey (css) has been a leader in discovering neos for over two decades. while we continue our accelerating rate of discovery, recent work by the team has also focused on greater coordination and public outreach. i will present an overview of our survey and follow-up operations along with our community... | bridging discoveries and collaboration: catalina sky survey's neo survey, follow-up, and community projects |
an overview of jpl's fundamental physics and quantum technologies in space program is presented. jpl manages this program for nasa's space life and physical science research and applications division. activities within the program include research on quantum matter, quantum entanglement, precision measurements with clo... | jpl's program in fundamental physics and quantum technologies |
dark matter candidates at planck scale masses might have been produced by many cosmological mechanisms in the early universe. underground detectors like deap-3600, designed for the search of weakly interacting massive particles, can actually be sensitive to these super-heavy dark matter candidates. the collaboration ha... | planck scale multi-scattering dark matter in deap-3600 |
with the increase of the integrated luminosity recorded by lhc, the research of possible dark-matter candidates assumes more and more importance. in simplified dark-matter production models, dark matter is produced from the decay of a mediator, coupled both to standard model particles and dark matter. for scalar and ps... | search for associated production of dark matter and top quarks with the atlas detector |
the nature of dark matter in modern physics is an important problem. therefore, in this paper we consider a quantum system consisting of two identical particles. these particles are candidates for the role of dark matter. we will call them graviatoms and they could be formed in the early universe. in this paper we have... | graviatom of superheavy dark matter as a source of gravitational radiation |
we analyse the possibility that the dark matter candidate is from the approximate scale symmetry theory of the hidden scalar sector. the study includes the warm dark matter scenario and the bose-einstein condensation which may lead to the scalar boson stars (bs) giving rise to direct detection through the observation o... | primary photons, boson star and phase transition |
at the sanford underground research facility (surf) in lead, sd, commissioning runs are underway for what will soon be the world's most sensitive search for the mysterious particle we call dark matter, using a detector called lux-zeppelin (lz for short). the idea of dark matter sparks the imagination of students of all... | the search for dark matter |
contemporarily, as a popular topic for a long time, dark matter has been widely discussed. there are different dark matters candidates proposed by scholars which are likely to exist in the universe. this paper discussed about the detection schemes of two different types of dark matters, i.e., axion and wimps. the diffe... | comparison of the detection paradigms of axion and wimps |
while evidence of non-baryonic dark matter has been accumulating for decades, its exact nature continues to remain a mystery. weakly interacting massive particles (wimps) are a well motivated candidate which appear in certain extensions of the standard model, independently of dark matter theory. if such particles exist... | detailed characterization of nuclear recoil pulse shape discrimination in the darkside-50 direct dark matter experiment |
in the direct searches for weakly interacting massive particles (wimps) as dark matter candidates, the sensitivity of the detector to the incom- ing particle direction could provide a smoking gun signature for an interesting event. the scene collaboration firstly suggested the possible directional de- pendence of a dua... | directionality for nuclear recoils in a lar tpc |
the theory at arxiv:1101.0586 [hep-th] predicts new fundamental spin $1/2$ particles which can be produced in pairs through their couplings to vector bosons or fermions. the lowest-energy of these should have a mass $m_{1/2}$ comparable to the mass $m_h$ of the recently discovered higgs boson, with $m_{1/2} = m_h$ in t... | predicted higgs-related spin 1/2 particles as a new dark matter candidate |
the existence of dark matter in our universe is supported by many astrophysical observations and is one of the most compelling hints of new physics beyond the standard model, although there is not yet any direct evidence of dark-matter particles. the large hadron collider (lhc) represents a powerful tool that can poten... | search for dark matter at lhc |
low energy threshold detectors are necessary in many frontier fields of experimental physics. in particular, these are extremely important for probing possible dark matter (dm) candidates. we present a novel detection approach that exploits the energy levels of atoms maintained at cryogenic temperature. we exploit lase... | new ideas on prospective low energy threshold detectors for dark matter searches |
the puzzles, such as the presence of dark matter that is about five times the visible matter and that of the baryon-antibaryon asymmetry in the universe, motivate addition of new particle content to the standard model of particle physics. in this thesis we explore the possibilities for the same with different approache... | exploring bsm physics in di-boson channels at the lhc and beyond |
the nature of dark matter (dm) in modern physics is an important problem. we consider a quantum system consisting of two identical particles which are candidates for the role of dm.we call them graviatoms, and they could be formed in the early universe. we find the energy spectrum of the gravitatom from dm particles, t... | graviatom of superheavy dark matter as a source of gravitational radiation |
the strong cp problem in quantum chromodynamics (qcd), predicts the neutron electric dipole moment to be a factor of 1010 larger than the observed upper bound [15]. roberto peccei and helen quinn [58, 63], proposed an elegant solution to this problem by introducing a global u(1)pq symmetry that is spontaneously broken ... | sensitivity of the cuore detector to solar axions |
although the microbial degradation of the six isomers of dimethylphenol has been extensively studied, the genetic and biochemical mechanisms of 2,6-dmp degradation remain unclear. this study identified the genes responsible for the initial step in the 2,6-dmp catabolic pathway in m. neoaurum b5-4. abstract 2,6-dimethyl... | characterization of the 2,6-dimethylphenol monooxygenase mpdab and evaluation of its potential in vitamin e precursor synthesis |
the bullet cluster has provided some of the best evidence for the λ cold dark matter (λcdm) model via direct empirical proof of the existence of collisionless dark matter, while posing a serious challenge owing to the unusually high inferred pairwise velocities of its progenitor clusters. here we investigate the probab... | the rise and fall of a challenger: the bullet cluster in λ cold darkmatter simulations |
current experimental efforts to see particulate dark matter rely upon the assumption of a non-gravitational interaction with visible matter. here, we propose an approach for the direct detection of dark matter through its gravitational coupling to terrestrial devices. relying upon advances in mechanical systems and the... | towards the gravitational detection of dark matter on earth |
higher spin (s > 2) particles appear in many areas of physics, but have recently been of growing interest in the context of cosmology. in this talk, i will highlight recent work studying higher spin particles as a dark matter candidate. i will discuss how higher spin particles with a wide range of masses and spins c... | toward a direct detection of the spin of dark matter |
cosmological and astrophysical phenomena indicate the existence of a class of particles that are dark in the sense that they interact only very weakly with the standard model (sm). a strong set of candidates are weakly interacting massive particles (wimps) with masses of mχ ∈ 10–10, 000 gev. the large underground xenon... | backgrounds in lux and lz: extending the sensitivity of lux to low-mass dark matter |
in the regime of linear growth of structure, dark matter dominates structure formation at all scales. on small scales, the thermal and kinetic properties of dark matter will alter the growth of structure at a finite scale that depends on the nature of dark matter. i will review the methods for constraining matter clust... | astrophysical constraints on warm dark matter |
the axion is a particle that has been strongly motivated by symmetry arguments in particle physics since the 1970s and has recently become promising in a cosmological context as well. ultra-light axions are among the candidates for dark matter and would produce a characteristic suppression of the matter power spectrum ... | testing ultra-light dark matter axions using galaxy surveys |
the axion is a well-motivated particle that provides a solution to the strong cp problem and is also a candidate for cold dark matter. the capp-12tb experiment is the flagship axion dark matter experiment at the center for axion and precision physics research (capp). the system features a superconducting solenoid with ... | dfsz axion dark matter search around 4.5 μev at ibs-capp |
the original paper is dedicated to the research of bipolariton axion-type states forming at the power laser excitation in a crystalline ruby. as considered, axions might explain a variety of astrophysical anomalies such as the hubble anomaly, the pamela anomaly, the solar neutrino problem, etc. at the same time, axions... | bipolariton axion-like generation in ruby |
we investigate the co-evolution of dark matter (dm) density perturbation and metric perturbation in the wimp paradigm. instead of adopting the conventional assumption that dm starts out in thermal equilibrium, we propose a simple phase of dm production for the wimp paradigm and extend our analysis to this phase. being ... | perturbative resonance in wimp paradigm and its cosmological implications on cosmic reheating and primordial gravitational wave detection |
distributed magnetometer networks hold exceptional promise as tools to search for fundamental physics beyond the standard model. two well-motivated types of ultralight dark-matter (dm) candidates, dark photons and axion-like particles, are known to generate electromagnetic effects in certain circumstances. in this talk... | magnetometer networks as dark-matter detectors |
recently, we studied a prototype gravitational wave detector based on high-q acoustic modes of superfluid 4he inside a centimeter-scale cross-shaped cavity.[1] a sensitive parametric transducer allowed for the observation of thermally excited modes at millikelvin temperatures, while the khz mechanical frequencies could... | listening to the sound of dark matter with superfluid helium |
in this paper authors present review of neutralino research results in lhc, cosmological observations and theoretical models. nowdays there are constraints on the mass of dark matter particle from experiments. the neutralino as a candidate for the dark matter particle in the framework of supersymmetry is considered. th... | the nmssm dark sector constraints |
self-gravitating quantum matter may exist in a wide range of cosmological and astrophysical settings: from the very early universe through to present-day boson stars. such quantum matter arises in ultralight dark matter (uldm): an exciting axion-like particle candidate which keeps the successes of cdm on large scales b... | ultralight dark matter dynamics in the language of eigenstates |
the qcd axion is a promising dark matter candidate whose discovery would also solve the strong cp problem of particle physics. the dmradio suite of experiments, which consists of dmradio-50l, dmradio-m3, and dmradio-gut, are designed to be sensitive to qcd axions in the pev to uev mass range. axions in this mass range ... | dmradio: overview, status updates, and plans |
many well motivated dark matter (dm) particle candidates can decay into detectable x-ray photons. we analyze erosita final equatorial depth survey (efeds) from erosita early release data to search for unexplained x-ray lines that could indicate dm signal. having discovered no extra line, we set limits on dm decay rate ... | constraining particle dark matter with erosita early data |
the super cryogenic dark matter search (supercdms) uses cryogenically cooled silicon and germanium calorimeters to search for dark matter interactions. in recent years, supercdms hvev (high voltage with ev resolution) detectors have enabled searches for sub-gev dark matter candidates, including nucleons- and electron-r... | performance of a silicon supercdms hvev detector operated underground at nexus |
in 2016, a group of scientists discovered a possible candidate for a dark fifth-force carrier of the universe during an experiment in atomki in debrecen, hungary. this hypothetical boson would come from an internal pair creation of the decay of 8be. in particular, scientists had measured the angular correlations of e+e... | the search for the x17 boson: analyzing e+e- pair production processes with the prototype at-tpc using geant4 |
weakly-interacting massive particles (wimps) with masses around the electroweak scale are popular candidates to explain the observed dark matter (dm) relic density they appear quite naturally in several popular extensions of the standard model (sm) which try to address the hierarchy problem]. phenomenological studies o... | quark gluon coupling and entanglement in confinement |
we investigate phenomenology of a two-component dark matter (dm) scenario, where one of the two components is secluded from the standard model (sm) while the other has non-negligible interaction with sm via dark boson exchange. we focus on the large mass difference between the two candidates, in which case annihilation... | search for boosted dark matter at neutrino experiments |
the nature of dark matter is an open question in fundamental physics, and one of the candidates is a particle called axion. cosmic axion spin precession experiment (casper) is a laboratory scale search for axion and axion-like particles with the potential to be sensitive to axion couplings beyond the current astrophysi... | searching for dark matter with the cosmic axion spin precession experiment (casper) |
the hypothetical axion particle (of unknown mass) is a leading candidate for dark matter (dm). many experiments search for axions with microwave cavities, where an axion may convert into a cavity photon, leading to a feeble excess in the output power of the cavity. recent work has demonstrated that injecting squeezed v... | entangled sensor-networks for dark-matter axion searches |
linger-thermo theory (ltt) is part of a time-complementary past-uncertainty/future-certainty spacetime duality in physics with uncertainty initial state that yields maximally efficient and affordable solutions such as in radar (feria, 2014 spie newsroom article 10.1117/2.1201407.005429 & 2018 us patent 10,101,445).... | first principles of linger-thermo theory, a time-complementary duality in physics, inherently lead to average mass of star particles and organism cells |
dark matter is an unknown field in astrophysics and cosmology. various experiments to detect dark matter have already been done around the world since the hypothesis of dark matter was first proposed. in this article, several prevalent dark matter candidate theories have been reviewed, which will make contributions to ... | dark matter: candidates and searches |
the overwhelming evidence for dark matter (dm) in cosmological observations, manifested by its gravitational interactions, has inspired a major experimental effort to uncover its particle nature. the lhc, as well as direct and indirect detection experiments, have significantly constrained one of the best-motivated weak... | dark matter searches at jefferson lab |
polyatomic molecules offer a powerful platform for precision measurements of physics beyond the standard model due to their complex structures. the near-degenerate vibrational states in the triatomic molecule sroh can be used to probe candidate dark matter particles: since the energy levels of these states depend diffe... | towards beyond-standard model searches with ultracold sroh molecules |
the standard model (sm) fails at providing a dark matter candidate, it is necessary to consider scenarios beyond the standard model, which may in addition have a broad phenomenology at colliders. since dark matter density has been very precisely measured by cosmological observations, it can be used to set constraints n... | quark antiquark annihilation and dark matter |
dark matter particles could be unstable and decay, annihilate with each other, or subtly alter the processes within stellar interiors, imprinting characteristic signals in the x-ray sky. the central challenge is to distinguish these signatures from similar spectra produced by standard astrophysical processes, such as t... | searching for dark matter with nustar |
the global network of optical magnetometers for exotic physics (gnome) searches for evidence of exotic spin coupling between elementary particle spins and topological defects in a field of ultra-light axion-like particles (a possible candidate for dark matter). one of the network's search targets is a proposed dark mat... | search for axion stars using the global network of optical magnetometers for exotic physics (gnome) |
although dark matter plays a lead role in driving the expansion of the universe and the growth of structure, its fundamental nature remains a mystery to humans. in the absence of a definitive detection of it in a laboratory setting, the theoretical landscape of plausible particle dark matter candidates has grown broade... | dark matter physics with the rubin observatory and other astronomical surveys |
we motivate and introduce what we refer to as the principles of lie-stability and hopf-stability and see what the physical theories must look like. lie-stability is needed on the classical side and hopf-stability is needed on the quantum side. we implement these two principles together with lie-deformations consistent ... | towards an emergent model of solitonic particles from non-trivial vacuum structure |
in high energy experiments, reconstructing charged particle trajectories is one of the most cpu intensive tasks. a common tracking software (acts) is a collaborative project to generate track reconstruction tools that are agnostic to specific detector geometries. track seeding is the first stage of track reconstruction... | using evolutionary algorithms to optimize parameters for track reconstruction |
the coupling of normal, standard model matter with dark matter or energy sometimes manifests itself as a mechanical effect: strain, recoil kicks, or acceleration. following a review of the expected mechanical signature, i will discuss why mechanical systems are well-suited to complement amo and particle physics based s... | probing the dark sector with mechanical systems |
the dama/libra-phase2 experiment (≃ 250 kg highly radiopure nai(tl) equipped with new high quantum efficiency photomultipliers) is in progress in the gran sasso national laboratory of the i.n.f.n.. when considering the data collected by dama/libra- phase1 and by the former dama/nai experiment (∼ 100 kg of highly radio-... | dama/libra results and perspectives |
we normally think of large accelerators and massive detectors when we consider the frontiers of elementary particle physics, pushing to understand the universe at higher and higher energy scales. however, several tabletop low-energy experiments are positioned to discover a wide range of new physics beyond the standard ... | searching for fifth-forces, dark matter, and gravitational waves with amo-based sensors |
the extreme precision and accuracy of today's optical atomic clocks can be used to look for very small deviations from the predictions of the standard model, offering a tool to search for beyond standard model (bsm) physics complementary to particle accelerators. these searches are based on measuring the frequency rati... | four-second optical coherence between different atomic species, and the search for new physics with atomic clocks |
precision measurements at atomic scales can be a powerful tool in the search for new particles that could make up the dark matter in the universe. to that end, optical transitions in atomic systems have been used previously to set leading constraints on models of dark matter than induce a time variation in the value of... | searching for ultra-light dark photon dark matter using optical transitions in atomic systems |
in higgs portal models, it is predicted that the higgs boson could decay into dark matter particles. we may be able to detect these processes with the atlas detector, located at the large hadron collider in geneva switzerland. there are many different production modes of the higgs boson that could be used in a search f... | investigating gluon fusion as new channel to search for dark matter |
hex-p is a probe-class mission concept that will combine high spatial resolution x-ray imaging (<10 arcsec fwhm) and broad spectral coverage (0.1-150 kev) with an effective area far superior to current facilities (including xmm-newton and nustar), to enable revolutionary new insights into a variety of important astr... | the high energy x-ray probe (hex-p) |
the axion dark matter experiment (admx) searches for axions, a hypothetical dark matter candidate, through conversion to photons in a high magnetic field and are subsequently detected within a resonant cavity. the rate that this detector can scan potential axion masses (or photon frequency) depends linearly on the qual... | superconducting rf cavities for the axion dark matter experiment |
axion and axion-like particles are leading candidates for ultralight dark matter, and there have been enormous efforts to search for their signatures through a variety of experiments and astrophysical observations. axion may cause a polarization rotation of light through the parity-violating interaction with photons. r... | ultralight axion dark matter search with dance |
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