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The DAMA/NaI and DAMA/LIBRA annual modulation data, which may be interpreted as a signal for the existence of weakly interacting dark matter (WIMPs) in our galactic halo, are examined in light of null results from other experiments. We use…

Astrophysics · Physics 2014-11-18 Christopher Savage , Graciela Gelmini , Paolo Gondolo , Katherine Freese

Once weakly-interacting massive particles (WIMPs) are unambiguously detected in direct-detection experiments, the challenge will be to determine what one may infer from the data. Here, I examine the prospects for reconstructing the local…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-29 Annika H. G. Peter

Presently the CDMS-II collaboration's Weakly Interacting Massive Particle (WIMP) search at the Soudan Underground Laboratory sets the most stringent exclusion limits of any WIMP cold dark matter direct-detection experiment. To extend our…

The Weakly Interacting Massive Particles (WIMPs) are among the main candidates for the relic dark matter (DM). The idea of the direct DM detection relies on elastic in-dependent (SD) and spin-independent (SI) interaction of WIMPs with…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Bednyakov , F. Simkovic , I. V. Titkova

We perform an indirect search for Weakly Interacting Massive Particles (WIMPs) using the MACRO detector to look for neutrino-induced upward-going muons resulting from the annihilation of WIMPs trapped in the Sun and Earth. The search is…

High Energy Physics - Experiment · Physics 2010-04-06 The MACRO Collaboration , M. Ambrosio et al

Recently there has been a huge activity in the dark matter direct detection field, with the report of an excess from CoGeNT and CRESST along with the annual modulated signal of DAMA/Libra and the strong exclusion bound from XENON100. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Chiara Arina

Where is the long--awaited one? A supersymmetric neutralino has been a favored candidate for the WIMP dark matter but, so far, it has not been found. One way to locate it is to identify where it can be hiding in the vast supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 Leszek Roszkowski

Using improved Ge and Si detectors, better neutron shielding, and increased counting time, the Cryogenic Dark Matter Search (CDMS) experiment has obtained stricter limits on the cross section of weakly interacting massive particles (WIMPs)…

High Energy Physics - Experiment · Physics 2012-08-27 CDMS Collaboration

Many observations suggest that much of the matter of the universe is non-baryonic. Recently, the DAMA NaI dark matter direct detection experiment reported an annual modulation in their event rate consistent with a WIMP relic. However, the…

High Energy Physics - Phenomenology · Physics 2016-09-06 David Smith , Neal Weiner

For many working in particle physics and cosmology successful discovery and characterisation of the new particles that most likely explain the non-baryonic cold dark matter, known to comprise the majority of matter in the Universe, would be…

Astrophysics · Physics 2009-06-23 N. J. Spooner

In this thesis, we investigate various possibilities of Weakly Interacting Massive Particle (WIMP) dark matter (DM) and their implications. These possibilities are important because they challenge the viability of WIMP DM in light of tight…

High Energy Physics - Phenomenology · Physics 2024-03-04 Shivam Gola

The Weakly Interacting Massive Particle (WIMP) is one of the main candidates for the relic dark matter (DM).In the effective low-energy minimal supersymmetric standard model (effMSSM) the neutralino-nucleon spin and scalar cross sections in…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. A. Bednyakov , H. V. Klapdor-Kleingrothaus

Assuming for Weakly Interacting Massive Particles (WIMPs) a Maxwellian velocity distribution in the Galaxy we explore in a systematic way the relative sensitivity of an extensive set of existing and projected Dark Matter (DM) direct…

High Energy Physics - Phenomenology · Physics 2019-03-01 Sunghyun Kang , Stefano Scopel , Gaurav Tomar , Jong-Hyun Yoon

The DAMA experiment searches for Weakly Interacting Massive Particle (WIMP) dark matter via its expected but rare interactions within the detector, where the interaction rates will modulate throughout the year due to the orbital motion of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Chris Kelso , Pearl Sandick , Christopher Savage

New constraints are presented on the spin-dependent WIMP-nucleon interaction from the PandaX-II experiment, using a data set corresponding to a total exposure of 3.3$\times10^4$ kg-days. Assuming a standard axial-vector spin-dependent WIMP…

Weakly Interacting Massive Particles (WIMPs) are among the main candidates for the relic dark matter (DM). The idea of the direct DM detection relies on elastic spin-dependent (SD) and spin-independent (SI) interaction of WIMPs with target…

High Energy Physics - Phenomenology · Physics 2009-10-20 V. A. Bednyakov , H. V. Klapdor-Kleingrothaus

Recently, the DAMA/LIBRA collaboration has repeated and reinforced their claim to have detected an annual modulation in their signal rate, and have interpreted this observation as evidence for dark-matter particles at the 8.2 sigma…

High Energy Physics - Phenomenology · Physics 2009-02-26 Dan Hooper , Frank Petriello , Kathryn M. Zurek , Marc Kamionkowski

We continue the study of weakly interacting massive particles (WIMP) started in [arXiv:2107.09688], focusing on a single complex electroweak $n$-plet with non-zero hypercharge added to the Standard Model. The minimal splitting between the…

High Energy Physics - Phenomenology · Physics 2022-11-23 Salvatore Bottaro , Dario Buttazzo , Marco Costa , Roberto Franceschini , Paolo Panci , Diego Redigolo , Ludovico Vittorio

We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg-days was analyzed for WIMPs with mass < 30 GeV/c2, with the signal region blinded.…

The Cryogenic Dark Matter Search (CDMS) employs low-temperature Ge and Si detectors to search for Weakly Interacting Massive Particles (WIMPs) via their elastic-scattering interactions with nuclei while discriminating against interactions…

Astrophysics · Physics 2012-08-27 CDMS Collaboration