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We present a detailed analysis of the neutrino-induced muon signals coming from neutralino pair-annihilations inside the Sun and the Earth with particular emphasis for light neutralinos. The theoretical model considered is an effective MSSM…

High Energy Physics - Phenomenology · Physics 2009-12-04 V. Niro , A. Bottino , N. Fornengo , S. Scopel

We consider two classes of supersymmetric flipped SU(5) models with gravity mediated supersymmetry breaking such that the thermal neutralino relic abundance provides the observed dark matter density in the universe. We estimate the muon…

High Energy Physics - Phenomenology · Physics 2011-05-12 Muhammad Adeel Ajaib , Ilia Gogoladze , Qaisar Shafi

We examine indirect signals produced by neutralino self-annihilations, in the galactic halo or inside celestial bodies, in the frame of an effective MSSM model without gaugino-mass unification at a grand unification scale. We compare our…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Bottino , F. Donato , N. Fornengo , S. Scopel

Neutralino annihilations in the Sun to weak boson and top quark pairs lead to high-energy neutrinos that can be detected by the IceCube and KM3 experiments in the search for neutralino dark matter. We calculate the neutrino signals from…

High Energy Physics - Phenomenology · Physics 2008-11-26 Vernon Barger , Wai-Yee Keung , Gabe Shaughnessy , Adam Tregre

The microlensing objects, Machos, recently observed in the halo of our Galaxy, can be interpreted as dense neutralino objects, neutralino stars, produced by the gravitational instability of neutralino gas. Taking the mass and radius of…

Astrophysics · Physics 2010-11-30 V. Berezinsky , A. Bottino , G. Mignola

The flux of neutrinos from annihilation of gravitationally captured dark matter in the Sun has significant constraints from direct-detection experiments. However, these constraints are relaxed for inelastic dark matter as inelastic dark…

High Energy Physics - Phenomenology · Physics 2023-08-31 Bhavesh Chauhan , Mary Hall Reno , Carsten Rott , Ina Sarcevic

Neutralino dark matter, and in particular different aspects of its detection at neutrino telescopes, has been studied within the Minimal Supersymmetric extension of the Standard Model, the MSSM. The relic density of neutralinos has been…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Edsjo

Upward-going muons observed by the Super-Kamiokande detector are produced by high-energy atmospheric neutrinos which interact in rock around the detector. Those which pass completely through the detector have a mean parent neutrino energy…

High Energy Physics - Experiment · Physics 2019-08-14 A. Habig

We consider the lightest supersymmetric particle (LSP), neutralino in minimal anomaly mediated supersymmetry breaking model (mAMSB) to be a possible candidate for weakly interacting massive particles (WIMP) or cold dark matter and…

High Energy Physics - Phenomenology · Physics 2013-06-28 Kamakshya Prasad Modak , Debasish Majumdar

Predictions for the out-going muon fluxes from the annihilation of neutralinos in the center of the Sun and the Earth in supergravity unification are given. Effects of uncertainties of the input data are analysed. It is shown that the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Achille Corsetti , Pran Nath

Neutrino telescopes of large area offer the possibility of searching for indirect signals of relic neutralinos in the galactic halo, due to annihilations in the Sun or the Earth. Here we investigate the sensitivity, using a supergravity…

High Energy Physics - Phenomenology · Physics 2009-09-11 V. Berezinsky , A. Bottino , J. Ellis , N. Fornengo , G. Mignola , S. Scopel

We examine the detectability through indirect means of weakly interacting dark matter candidates that may constitute not all but only a subdominant component of galactic cold dark matter. We show that the possibility of indirect detection…

High Energy Physics - Phenomenology · Physics 2009-11-07 Gintaras Duda , Graciela Gelmini , Paolo Gondolo , Joakim Edsjo , Joseph Silk

We investigate the prospects of indirect searches for supersymmetric neutralino dark matter. Relic neutralinos gravitationally accumulate in the Sun and their annihilations produce high energy neutrinos. Muon neutrinos of this origin can be…

High Energy Physics - Phenomenology · Physics 2009-09-15 Vernon Barger , Francis Halzen , Dan Hooper , Chung Kao

Dark matter (DM) annihilations in the Galaxy may produce high energy neutrinos, which can be detected by the neutrino telescopes, for example IceCube, ANTARES and Super-Kamiokande. The neutrinos can also arise from hadronic interaction…

Astrophysics · Physics 2009-11-13 Peng-fei Yin , Jia Liu , Qiang Yuan , Xiao-jun Bi , Shou-hua Zhu

The lightest neutralino, as the dark matter candidate, can be gravitationally captured by the Sun. In this paper, we studied the high energy neutrino signals from solar neutralino annihilations in the core of the Sun in the anomaly mediated…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jia Liu , Peng-fei Yin , Shou-hua Zhu

Accumulation and annihilation of weakly interacting massive particles (WIMPs) in the earth and the sun may be observed by the resulting neutrino signal. We demonstrate that, for certain parts of the SUSY parameter space, present and future…

High Energy Physics - Phenomenology · Physics 2011-05-12 M. Kowalski

The possible solution of dark matter problem with neutralinos of supersymmetric models within the supergravity framework is reviewed. A novel correlation between the neutralino relic abundance $\Omega_\chi$ and the soft supersymmetry…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kajia Yuan

The diffuse Galactic $\gamma$-ray emission originates from the interactions between cosmic rays and the interstellar medium or radiation fields within our Galaxy, where the production of neutrinos is also anticipated. Recently, the Large…

High Energy Astrophysical Phenomena · Physics 2025-01-28 Wenlian Li , Tian-Qi Huang , Donglian Xu , Huihai He

We discuss a robust and fairly model-independent upper bound on the possible neutrino flux produced by neutralino annihilation in the center of our galaxy, and show that its detection with present or future neutrino telescopes is highly…

Astrophysics · Physics 2007-05-23 J. Orloff

We study production of sterile neutrinos in the atmosphere and their detection at Super-Kamiokande. A sterile neutrino in the mass range $1\,{\rm MeV} \lesssim M_N \lesssim 105\,{\rm MeV}$ is produced by muon or pion decay, and decays to an…

High Energy Physics - Phenomenology · Physics 2015-06-04 Takehiko Asaka , Atsushi Watanabe
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