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We calculate spin-dependent cross sections for the scattering from mica of hypothetical weakly interacting dark-matter particles such as neutralinos. The most abundant odd-A isotopes in mica, Al27 and K39, require different shell-model…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Engel , M. T. Ressell , I. S. Towner , W. E Ormand

We present the results of detailed nuclear shell model calculations of the spin-dependent elastic cross section for neutralinos scattering from \si29 and \ge73. The calculations were performed in large model spaces which adequately describe…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. T. Ressell , M. B. Aufderheide , S. D. Bloom , K. Griest , G. J. Mathews , D. A. Resler

We calculate the scattering rate of sub-GeV dark matter in solid-state targets for spin-dependent dark matter -- nucleon interactions. For dark matter particles with mass below 100 MeV, the scattering occurs predominantly through incoherent…

High Energy Physics - Phenomenology · Physics 2025-06-16 Stefania Gori , Simon Knapen , Tongyan Lin , Pankaj Munbodh , Bethany Suter

We analyze the elastic scattering of particles interacting with nuclei through vector and axial currents with overall couplings of the order of the Standard Model weak interaction, or smaller; the dominant contribution to the elastic cross…

High Energy Physics - Phenomenology · Physics 2016-03-21 O. Moreno , T. W. Donnelly

We perform nuclear shell model calculations of the neutralino-nucleus cross section for several nuclei in the A = 127 region. Each of the four nuclei considered is a primary target in a direct dark matter detection experiment. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. T. Ressell , D. J. Dean

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

The Weakly Interacting Massive Particle (WIMP) is the main candidate for the relic dark matter. A set of exclusion curves currently obtained for cross sections of the spin-dependent WIMP-proton and WIMP-neutron interaction is given. A…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. A. Bednyakov

The paper presents a novel approach to the description of the nonrelativistic weak interaction of a massive neutral particle (lepton) and a nucleus, in which the latter retains its integrity. The cross section of such a process is a sum of…

High Energy Physics - Phenomenology · Physics 2023-05-10 V. A. Bednyakov

We review the calculation of spin-dependent matrix elements relevant to scattering of weakly interacting massive particles on nuclei. A comprehensive list, to our knowledge, of the proton and neutron total spin expectation values ($<{\bf…

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

Abstract: The interaction of dark matter particles (WIMPs) with the odd-mass $^{73}$Ge and $^{131}$Xe target nuclei ,{ {that is the recoil rates corresponding to the elastic scattering of WIMPs by these nuclei}}, is analysed in the context…

Nuclear Theory · Physics 2023-04-19 M. M. Saez , O. Civitarese , T. Tarutina , K. Fushimi

We investigate the neutralino dark matter in the focus point gaugino mediation model with the O(100) GeV gravitino. The thermal relic abundance of the neutralino with a sizable Higgsino fraction can explain the dark matter density at the…

High Energy Physics - Phenomenology · Physics 2015-06-16 Tsutomu T. Yanagida , Norimi Yokozaki

We present a detailed discussion of the elastic scattering of a supersymmetric neutralino off a nucleon or nucleus, with emphasis on the spin--independent interaction. We carefully treat QCD effects on the squark exchange contribution. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Drees , M. M. Nojiri

We study dark matter, assumed to be composed by weak interacting massive particles (WIMPs), scattering off ${}^2$H and ${}^4$He nuclei. In order to parameterize the WIMP-nucleon interaction the chiral effective field theory approach is…

High Energy Physics - Phenomenology · Physics 2024-09-26 E. Filandri , M. Viviani

Predicted rates for direct and indirect detection of dark-matter neutralinos depend in general on the spin content of the nucleon. Neutralinos that are predominantly $B$-ino are the likeliest candidates for detection via spin-dependent…

High Energy Physics - Phenomenology · Physics 2008-02-03 Marc Kamionkowski , Lawrence M. Krauss , M. Ted Ressell

Nuclear structure calculations in the context of a novel hybrid nuclear model, combining the nuclear shell model and the microscopic quasiparticle-phonon model are presented. The predictivity of the hybrid model is tested by computing…

Nuclear Theory · Physics 2025-02-13 Matti Hellgren , Dimitrios K. Papoulias , Jouni Suhonen

We consider the potential benefits of searching for supersymmetric dark-matter through its inelastic excitation, via the "scalar current", of low-lying collective nuclear states in a detector. If such states live long enough so that the…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. Engel , P. Vogel

The Split SUSY scenario with light Higgsino states is treated as an application to the Dark Matter problem. We have considered the structure of the neutralino-nucleon interaction and calculated cross-section of the neutralino-nucleon…

High Energy Physics - Phenomenology · Physics 2010-01-21 V. A. Beylin , V. I. Kuksa , R. S. Pasechnik , G. M. Vereshkov

Neutralino can be the dark matter candidate in the gauge-mediated supersymmetry breaking models if the conformal sequestered mechanism is assumed in the hidden sector. In this paper, we study this mechanism by using the current experimental…

High Energy Physics - Phenomenology · Physics 2015-06-19 Ran Ding , Liucheng Wang , Bin Zhu

The $\rm{keV}$ scale sterile neutrino was a qualified candidate for dark matter particles in the Dodelson-Widrow mechanism. But the mixing angle, needed to provide enough amount of dark matter, is in contradiction with the astrophysical…

High Energy Physics - Phenomenology · Physics 2023-11-01 Shu-Yuan Guo , Xuewen Liu , Bin Zhu

Radiative corrections are calculated for antineutrino proton quasielastic scattering, neutrino deuteron scattering, and the asymmetry of polarised neutron beta decay from which $G_{A}/G_{V}$ is determined. A particular emphasis is given to…

High Energy Physics - Phenomenology · Physics 2015-06-25 T. Kubota , M. Fukugita
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