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The Dark Matter Time Projection Chamber (DMTPC) experiment uses CF_4 gas at low pressure (0.1 atm) to search for the directional signature of Galactic WIMP dark matter. We describe the DMTPC apparatus and summarize recent results from a…

In direct dark matter detection experiments, conventional elastic scattering of WIMPs results in exponentially falling recoil spectra. In contrast, theories of WIMPs with excited states can lead to nuclear recoil spectra that peak at finite…

High Energy Physics - Phenomenology · Physics 2014-11-20 Rafael F. Lang , Neal Weiner

We study the dependence of the exposure required to directly detect a WIMP directional recoil signal on the capabilities of a directional detector. Specifically we consider variations in the nuclear recoil energy threshold, the background…

Astrophysics · Physics 2008-11-26 Anne M. Green , Ben Morgan

Directional detection of WIMPs, in which the energies and directions of the recoiling nuclei are measured, currently presents the only prospect for probing the local velocity distribution of Galactic dark matter. We investigate the extent…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-11 Ciaran A. J. O'Hare , Anne M. Green

New techniques for the laboratory direct detection of dark matter weakly interacting massive particles (WIMPs) are sensitive to the recoil direction of the struck nuclei. We compute and compare the directional recoil rates…

Astrophysics · Physics 2008-11-26 Moqbil S. Alenazi , Paolo Gondolo

Weakly Interacting Massive Particles (WIMPs) are one of the leading candidates for Dark Matter. We developed a model-independent method for determining the WIMP mass by using data (i.e., measured recoil energies) of direct detection…

High Energy Physics - Phenomenology · Physics 2009-02-02 Manuel Drees , Chung-Lin Shan

The Dark Matter Time Projection Chamber (DMTPC) is a low pressure (75 Torr CF4) 10 liter detector capable of measuring the vector direction of nuclear recoils with the goal of directional dark matter detection. In this paper we present the…

Among the many experimental techniques available, those providing directional information have the potential of yielding an unambiguous observation of WIMPs even in the presence of insidious backgrounds. A measurement of the distribution of…

Astrophysics · Physics 2014-11-18 Gabriella Sciolla

Several directional techniques have been proposed for a directional detection of Dark matter, among others anisotropic crystal detectors, nuclear emulsion plates, and low-pressure gaseous TPCs. The key point is to get access to the initial…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 C. Couturier , J. P. Zopounidis , N. Sauzet , F. Naraghi , D. Santos

Directional detection of Dark Matter is a promising search strategy. However, to perform such detection, a given set of parameters has to be retrieved from the recoiling tracks : direction, sense and position in the detector volume. In…

Instrumentation and Methods for Astrophysics · Physics 2012-04-12 J. Billard , F. Mayet , D. Santos

Weakly interacting massive particles (WIMPs) are one of the leading candidates for Dark Matter. So far we can use direct Dark Matter detection to estimate the mass of halo WIMPs only by fitting predicted recoil spectra to future…

High Energy Physics - Phenomenology · Physics 2011-11-10 Chung-Lin Shan , Manuel Drees

Astrophysical and cosmological observations suggest the existence of beyond standard model ingredient known as dark matter (DM). One of the most supported class of theories suggests that DM is composed of weakly interactive massive…

Instrumentation and Detectors · Physics 2025-07-04 Giorgio Dho

Directional detection of non-baryonic DarkMatter is a promising search strategy for discriminating WIMP events from background ones. This strategy requires both a measurement of the recoil energy down to a few keV and 3D reconstruction of…

Instrumentation and Methods for Astrophysics · Physics 2011-11-08 D. Santos , J. Billard , G. Bosson , J. L. Bouly , O. Bourrion , Ch. Fourel , O. Guillaudin , F. Mayet , J. P. Richer , A. Delbart , E. Ferrer , I. Giomataris , F. J. Iguaz , J. P. Mols , C. Golabek , L. Lebreton

Nowadays there is compelling evidence for the existence of dark matter in the Universe. A general consensus has been expressed on the need for a directional sensitive detector to confirm, with a complementary approach, the candidates found…

Direct detection experiments are poised to detect dark matter in the form of weakly interacting massive particles (WIMPs). The signals expected in these experiments depend on the ultra-local WIMP density and velocity distribution. Firstly…

Cosmology and Nongalactic Astrophysics · Physics 2012-02-14 Anne M. Green

We extend and correct a recently proposed maximum-likelihood halo-independent method to analyze unbinned direct dark matter detection data. Instead of the recoil energy as independent variable we use the minimum speed a dark matter particle…

High Energy Physics - Phenomenology · Physics 2015-12-02 Graciela B. Gelmini , Andreea Georgescu , Paolo Gondolo , Ji-Haeng Huh

Searches for dark matter-induced recoils have made impressive advances in the last few years. Yet the field is confronted by several outstanding problems. First, the inevitable background of solar neutrinos will soon inhibit the conclusive…

Instrumentation and Detectors · Physics 2021-06-23 Sven E. Vahsen , Ciaran A. J. O'Hare , Dinesh Loomba

The three-dimensional (3-D) reconstruction of nuclear recoils is of interest for directional detection of fast neutrons and for direction-sensitive searches for weakly interacting massive particles(WIMPs), which may constitute the Dark…

Instrumentation and Detectors · Physics 2015-12-09 S. E. Vahsen , M. T. Hedges , I. Jaegle , S. J. Ross , I. S. Seong , T. N. Thorpe , J. Yamaoka , J. A. Kadyk , M. Garcia-Sciveres

A low pressure time projection chamber for the detection of WIMPs is discussed. Discrimination against Compton electron background in such a device should be very good, and directional information about the recoil atoms would be obtainable.…

In the earlier work on the development of a model-independent data analysis method for determining the mass of Weakly Interacting Massive Particles (WIMPs) by using measured recoil energies from direct Dark Matter detection experiments…

High Energy Physics - Phenomenology · Physics 2015-03-13 Yu-Ting Chou , Chung-Lin Shan