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We discuss the operation principle of a detector based on superheated droplets of Freon-12 and its feasibility for the search of weakly interacting cold dark matter particles. In particular we are interested in a neutralino search…

High Energy Physics - Experiment · Physics 2009-10-28 L. A. Hamel , L. Lessard , L. Rainville , B. Sur , V. Zacek

It is shown that under realistic background considerations, an improvement in Cold Dark Matter sensitivity of several orders of magnitude is expected from a detector based on superheated liquid droplets. Such devices are totally insensitive…

Astrophysics · Physics 2010-01-06 J. I. Collar

Relic neutralinos produced after the Big Bang are favoured candidates for Dark Matter. They can accumulate at the centre of massive celestial objects like our Sun. Their annihilation can result in a high-energy neutrino flux that could be…

Astrophysics · Physics 2019-08-13 Gordon Lim

Superheated Droplet Detectors (SDDs) are becoming commonplace in neutron personnel dosimetry. Their total insensitivity to minimum ionizing radiation (while responsive to nuclear recoils of energies ~ few keV), together with their low cost,…

Astrophysics · Physics 2008-02-03 J. I. Collar , T. A. Girard , D. Limagne , G. Waysand

Low Temperature Detectors (LTDs) offer the best signal-to-noise performance and thus, lowest energy threshold among other particle detection technologies available today. The excellent background rejection provided by these detectors is…

Instrumentation and Methods for Astrophysics · Physics 2013-08-02 Nader Mirabolfathi

We present results of systematic studies of the radiation response of superheated liquid droplet detectors, which are used in the PICASSO dark matter search experiment. This detection technique is based on the phase transitions of…

The supersymmetric extension to the Standard Model offers a promising cold dark matter candidate, the lightest neutralino. I will review the prospects for the detection of this candidate in both accelerator and direct detection searches.

High Energy Physics - Phenomenology · Physics 2017-08-23 Keith A. Olive

We consider the prospects for the detection of relatively light dark matter through direct annihilation to neutrinos. We specifically focus on the detection possibilities of water Cherenkov and liquid scintillator neutrino detection…

High Energy Physics - Phenomenology · Physics 2010-04-30 Jason Kumar , John G. Learned , Stefanie Smith

The lightest neutralino in supersymmetric models with conserved R-parity is an attractive candidate for non-luminous matter in the universe. If relic neutralinos are indeed present as dark matter in our galaxy, they can be directly detected…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michal Brhlik

Direct and indirect dark matter detection relies on the scattering of the dark matter candidate on nucleons or nuclei. Here, attention is focused on dark matter candidates (neutralinos) predicted in the minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2014-11-17 John Ellis , Andrew Ferstl , Keith A. Olive

To reach ultra-low detection thresholds necessary to probe unprecedentedly low Dark Matter masses, target material alternatives and novel detector designs are essential. One such target material is superfluid $^4$He which has the potential…

We review some properties of the neutralino as a candidate for dark matter in the Universe. After presentation of evaluations for the neutralino relic abundance, possibilities for its direct and indirect detections are discussed, with…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bottino , N. Fornengo , G. Mignola , S. Scopel

Dark matter detection experiments are getting ever closer to the sensitivity needed to detect the primary particle physics candidates for nonbaryonic dark matter. Indirect detection methods include searching for antimatter and gamma rays,…

Astrophysics · Physics 2009-10-31 L. Bergstrom

Evaluations of the event rates relevant to direct search for dark matter neutralino are presented for a wide range of neutralino masses and for various detector materials of preeminent interest. Differential and total rates are…

High Energy Physics - Phenomenology · Physics 2011-05-23 A. Bottino , V. de Alfaro , N. Fornengo , G. Mignola , S. Scopel

The PICASSO project is a cold dark matter (CDM) search experiment relying on the superheated droplet technique. The detectors use superheated freon liquid droplets (active material) dispersed and trapped in a polymerized gel. This detection…

A large experimental program is underway to extend the sensitivity of direct detection experiments, searching for interaction of Dark Matter with nuclei, down to the neutrino floor. However, such experiments are becoming increasingly…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-28 Sebastian Baum , Andrzej K. Drukier , Katherine Freese , Maciej Górski , Patrick Stengel

Direct searches for light dark matter particles (mass $<10$ GeV) are especially challenging because of the low energies transferred in elastic scattering to typical heavy nuclear targets. We investigate the possibility of using liquid…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Wei Guo , Daniel N. McKinsey

The combined measurement of dark matter interactions with different superheated liquids has recently been suggested as a cross-correlation technique in identifying WIMP candidates. We describe the fabrication of high concentration…

Instrumentation and Detectors · Physics 2015-06-17 M. Felizardo , T. Morlat , J. G. Marques , A. R. Ramos , TA Girard , A. C. Fernandes , A. Kling , I. Lazaro , R. C. Martins , J. Puibasset

There is currently vast evidence for Dark Matter (DM) from astronomical observations. However, in spite of tremendous efforts by large experimental groups, there is no confirmed direct detection of the dark matter in our galaxy. Recent…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Juan Estrada

Indirect searches for dark matter are based on detecting an anomalous flux of photons, neutrinos or cosmic-rays produced in annihilations or decays of dark matter candidates gravitationally accumulated in heavy cosmological objects, like…

High Energy Astrophysical Phenomena · Physics 2020-10-09 Carlos Pérez de los Heros
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