Results 41 to 50 of about 61,479 (226)

Exclusion of canonical weakly interacting massive particles by joint analysis of Milky Way dwarf galaxies with data from the Fermi Gamma-Ray Space Telescope. [PDF]

Physical Review Letters, 2011
Dwarf spheroidal galaxies are known to be excellent targets for the detection of annihilating dark matter. We present new limits on the annihilation cross section of weakly interacting massive particles based on the joint analysis of seven Milky Way ...
A. Geringer-Sameth, S. Koushiappas
semanticscholar   +1 more source

WEAKLY-INTERACTING MASSIVE PARTICLES IN TORSIONALLY-GRAVITATING DIRAC THEORY [PDF]

International Journal of Modern Physics D, 2013
We shall consider the problem of Dark Matter (DM) in torsion gravity with Dirac matter fields; we will consider the fact that if Weakly-Interacting Massive Particles in a bath are allowed to form condensates then torsional effects may be relevant even at galactic scales: we show that torsionally-gravitating Dirac fields have interesting properties for
openaire   +3 more sources

Searches for Dark Matter at the ATLAS experiment

EPJ Web of Conferences, 2016
Searches for strongly produced dark matters in events with jets, photons, heavy-flavor quarks or massive gauge bosons recoiling against large missing transverse momentum in ATLAS are presented.
Abreu Henso
doaj   +1 more source

Machine Learning Approach for Event Position Reconstruction in the DEAP-3600 Dark Matter Search Experiment

Physics, 2023
In addition to classical analytical data processing methods, machine learning methods are widely used for data analysis in elementary particle physics.
DEAP Collaboration
doaj   +1 more source

Small Scale Isocurvature Perturbation of Weakly Interacting Massive Particle [PDF]

International Journal of Modern Physics: Conference Series, 2016
It is known that the smallest size of the structures of the Universe with the weakly interacting massive dark matter is determined by the scale that enters the Hubble horizon at the time of kinetic decoupling of WIMP. This comes from the fact that the perturbation at smaller scales is erased due to the collisional damping during the kinetic decoupling.
Ki-Young Choi, Jinn-Ouk Gong, Chang Sub Shin   +2 more
openaire   +1 more source

Dark-photon search using data from CRESST-II Phase 2

European Physical Journal C: Particles and Fields, 2017
Identifying the nature and origin of dark matter is one of the major challenges for modern astro and particle physics. Direct dark-matter searches aim at an observation of dark-matter particles interacting within detectors.
G. Angloher, P. Bauer, A. Bento, C. Bucci, L. Canonica, X. Defay, A. Erb, F. v. Feilitzsch, N. Ferreiro Iachellini, P. Gorla, A. Gütlein, D. Hauff, J. Jochum, M. Kiefer, H. Kluck, H. Kraus, J.-C. Lanfranchi, J. Loebell, M. Mancuso, A. Münster, C. Pagliarone, F. Petricca, W. Potzel, F. Pröbst, R. Puig, F. Reindl, K. Schäffner, J. Schieck, S. Schönert, W. Seidel, L. Stodolsky, C. Strandhagen, R. Strauss, A. Tanzke, H. H. Trinh Thi, C. Türkoǧlu, M. Uffinger, A. Ulrich, I. Usherov, S. Wawoczny, M. Willers, M. Wüstrich, A. Zöller   +42 more
doaj   +1 more source

Directionality for nuclear recoils in a LAr TPC [PDF]

EPJ Web of Conferences, 2023
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.
Pino N., Agnes P., Ahmad I., Albergo S., Albuquerque I., Ave M., Bonivento W. M., Bottino B., Cadeddu M., Caminata A., Canci N., Cappello G., Caravati M., Catalanotti S., Cataudella V., Cesarano R., Cicalò C., Covone G., de Candia A., De Filippis G., De Rosa G., Dell’Aquila D., Davini S., Dionisi C., Dolganov G., Fiorillo G., Franco D., Galbiati C., Gulino M., Ippolito V., Kemmerich N., Kimura M., Kuss M., La Commara M., Li X., Mari S. M., Martoff C. J., Matteucci G., Oleynikov V., Pallavicini M., Pandola L., Rescigno M., Rode J., Sanfilippo S., Sosa A., Suvorov Y., Testera G., Tricomi A., Wada M., Wang H., Wang Y., Zakhary P.   +51 more
doaj   +1 more source

Velocity distributions and annual-modulation signatures of weakly-interacting massive particles [PDF]

, 2000
An annual modulation in the event rate of the NaI detector of the DAMA collaboration has been used to infer the existence of particle dark matter in the Galactic halo. Bounds on the WIMP mass and WIMP-nucleon cross section have been derived.
Kamionkowski, Marc, Ullio, Piero
core   +2 more sources

Detection rate of weakly interacting massive particles

Physics Letters B, 1993
Abstract An analytic expression allowing to evaluate the spin-independent detection rate of weakly interacting massive particles as a function of the detector energy threshold for any dark matter mass and absorber material, is presented. The detection rate is calculated taking into account the dynamics of the dark matter particles and the loss of ...
A. Gabutti, K. Schmiemann
openaire   +1 more source

Weakly interacting massive particle annihilation in caustics [PDF]

Physical Review D, 2007
The continuous infall of dark matter with low velocity dispersion from all directions in a galactic halo leads to the formation of caustics which are very small scale ({approx}parsec) high density structures. If the dark matter is made up of supersymmetric neutralinos, the annihilation of these particles produces a characteristic spectrum of gamma rays
openaire   +1 more source