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Currently the best prospect for detecting Weakly Interacting Massive Particles (WIMPs) is via the annual modulation, which occurs due to the Earth's rotation around the Sun, of the direct detection signal. We investigate the effect of…

Astrophysics · Physics 2014-10-13 Anne M. Green

Dark Matter detectors with directional sensitivity have the potential of yielding an unambiguous positive observation of WIMPs as well as discriminating between galactic Dark Matter halo models. In this article, we introduce the motivation…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Gabriella Sciolla , C. Jeff Martoff

In this paper, as a preparation of developing data analysis procedures for using 3-dimensional information offered by directional Dark Matter (DM) detection experiments, we study the patterns of the angular distribution of the Monte…

High Energy Astrophysical Phenomena · Physics 2020-03-12 Chung-Lin Shan

The Halo Assembly in Lambda-CDM: Observations in 7 Dimensions (HALO7D) dataset consists of Keck II/DEIMOS spectroscopy and Hubble Space Telescope-measured proper motions of Milky Way (MW) halo main sequence turnoff stars in the CANDELS…

Tidal streams of disrupted clusters are routinely detected in the halo of the Milky Way. It was recently shown that tidal streams of open clusters can now also be detected within the disc. In this work, we highlight the fact that tidal…

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

High Energy Physics - Phenomenology · Physics 2009-01-06 Manuel Drees , Chung-Lin Shan

We report results of a search for Weakly Interacting Massive Particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg-days of data taken between July 2007 and September 2008 revealed three…

We demonstrate a new type of analysis for the DRIFT-IId directional dark matter detector using a machine learning algorithm called a Random Forest Classifier. The analysis labels events as signal or background based on a series of selection…

In this paper, as the first part of the third step of our study on developing data analysis procedures for using 3-dimensional information offered by directional direct Dark Matter detection experiments in the future, we present our…

High Energy Physics - Phenomenology · Physics 2021-03-12 Chung-Lin Shan

The signals in dark matter direct-detection experiments should exhibit modulation signatures due to the Earth's motion with respect to the Galactic dark matter halo. The annual and daily modulations, due to the Earth's revolution about the…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-21 Vivian Britto , Joel Meyers

Recoil imaging entails the detection of spatially resolved ionization tracks generated by particle interactions. This is a highly sought-after capability in many classes of detector, with broad applications across particle and astroparticle…

Instrumentation and Detectors · Physics 2022-07-19 C. A. J. O'Hare , D. Loomba , K. Altenmüller , H. Álvarez-Pol , F. D. Amaro , H. M. Araújo , D. Aristizabal Sierra , J. Asaadi , D. Attié , S. Aune , C. Awe , Y. Ayyad , E. Baracchini , P. Barbeau , J. B. R. Battat , N. F. Bell , B. Biasuzzi , L. J. Bignell , C. Boehm , I. Bolognino , F. M. Brunbauer , M. Caamaño , C. Cabo , D. Caratelli , J. M. Carmona , J. F. Castel , S. Cebrián , C. Cogollos , D. Collison , E. Costa , T. Dafni , F. Dastgiri , C. Deaconu , V. De Romeri , K. Desch , G. Dho , F. Di Giambattista , D. Díez-Ibáñez , G. D'Imperio , B. Dutta , C. Eldridge , S. R. Elliott , A. C. Ezeribe , A. Fava , T. Felkl , B. Fernández-Domínguez , E. Ferrer Ribas , K. J. Flöthner , M. Froehlich , J. Galán , J. Galindo , F. García , J. A. García Pascual , B. P. Gelli , M. Ghrear , Y. Giomataris , K. Gnanvo , E. Gramellini , G. Grilli Di Cortona , R. Hall-Wilton , J. Harton , S. Hedges , S. Higashino , G. Hill , P. C. Holanda , T. Ikeda , I. G. Irastorza , P. Jackson , D. Janssens , B. Jones , J. Kaminski , I. Katsioulas , K. Kelly , N. Kemmerich , E. Kemp , H. B. Korandla , H. Kraus , A. Lackner , G. J. Lane , P. M. Lewis , M. Lisowska , G. Luzón , W. A. Lynch , G. Maccarrone , K. J. Mack , P. A. Majewski , R. D. P. Mano , C. Margalejo , D. Markoff , T. Marley , D. J. G. Marques , R. Massarczyk , G. Mazzitelli , C. McCabe , L. J. McKie , A. G. McLean , P. C. McNamara , Y. Mei , A. Messina , A. F. Mills , H. Mirallas , K. Miuchi , C. M. B. Monteiro , M. R. Mosbech , H. Muller , H. Natal da Luz , K. D. Nakamura , A. Natochii , T. Neep , J. L. Newstead , K. Nikolopoulos , L. Obis , E. Oliveri , G. Orlandini , A. Ortiz de Solórzano , J. von Oy , T. Papaevangelou , O. Pérez , Y. F. Perez-Gonzalez , D. Pfeiffer , N. S. Phan , S. Piacentini , E. Picatoste Olloqui , D. Pinci , S. Popescu , A. Prajapati , F. S. Queiroz , J. L. Raaf , F. Resnati , L. Ropelewski , R. C. Roque , E. Ruiz-Choliz , A. Rusu , J. Ruz , J. Samarati , E. M. Santos , J. M. F. dos Santos , F. Sauli , L. Scharenberg , T. Schiffer , S. Schmidt , K. Scholberg , M. Schott , J. Schueler , L. Segui , H. Sekiya , D. Sengupta , Z. Slavkovska , D. Snowden-Ifft , P. Soffitta , M. van Stenis , N. J. C. Spooner , L. Strigari , A. E. Stuchbery , X. Sun , S. Torelli , E. G. Tilly , A. W. Thomas , T. N. Thorpe , P. Urquijo , A. Utrobičić , S. E. Vahsen , R. Veenhof , J. K. Vogel , A. G. Williams , M. H. Wood , J. Zettlemoyer

In hierarchical structure formation models of disk galaxies, a dark matter disk forms as massive satellites are preferentially dragged into the disk-plane where they dissolve. Here, we quantify the importance of this dark disk for direct…

Astrophysics · Physics 2010-02-17 T. Bruch , J. Read , L. Baudis , G. Lake

The nature of dark matter (DM) remains one of the most fundamental open questions in physics. Among the main DM candidates are Weakly Interacting Massive Particles (WIMPs), expected to interact with matter through scattering. Directional…

High Energy Physics - Experiment · Physics 2025-09-16 David José Gaspar Marques

In this paper, we revisit the expressions for the (double) differential event rates for elastic WIMP-nucleus scattering and discuss some unusual thoughts on (the incompleteness of) the uses of these expressions in (directional) direct Dark…

High Energy Physics - Phenomenology · Physics 2021-10-22 Chung-Lin Shan

Weakly Interacting Massive Particle (WIMP) direct detection experiments are closing in on the region of parameter space where relic neutralinos may constitute the galactic halo dark matter. We discuss two issues in the interpretation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Anne M. Green

The highly sensitive method to search for WIMPs dark matter particles is proposed. An array of thin NaI(Tl) plate has the great selectivity for distinguishing the WIMPs events and background ones. The principle of signal selection for WIMPs…

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

We present a halo-independent analysis of direct detection data on "light WIMPs," i.e. weakly interacting massive particles with mass close to or below 10 GeV/c^2. We include new results from silicon CDMS detectors (bounds and excess…

High Energy Physics - Phenomenology · Physics 2015-06-15 Eugenio Del Nobile , Graciela B. Gelmini , Paolo Gondolo , Ji-Haeng Huh

The annihilation of Weakly Interactive Massive Particles (WIMP) in the centre of the sun could give rise to neutrino fluxes. We study the prospects of searching for these neutrinos at the upcoming Iron CALorimeter (ICAL) detector to be…

High Energy Physics - Experiment · Physics 2018-05-04 Sandhya Choubey , Anushree Ghosh , Deepak Tiwari

Directional dark matter detectors will be able to record the recoil momentum spectrum of nuclei hit by dark matter WIMPs. We show that the recoil momentum spectrum is the Radon transform of the WIMP velocity distribution. This allows us to…

High Energy Physics - Phenomenology · Physics 2009-11-07 Paolo Gondolo