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Related papers: Dark-Matter Harmonics Beyond Annual Modulation

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Direct detection experiments, which are designed to detect the scattering of dark matter off nuclei in detectors, are a critical component in the search for the Universe's missing matter. The count rate in these experiments should…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-04 Katherine Freese , Mariangela Lisanti , Christopher Savage

The time-dependent modulation of the event rate in dark matter direct detection experiments, arising from the motion of the Earth with respect to the Galactic rest frame, is a distinctive signature whose observation is crucial for claiming…

High Energy Physics - Phenomenology · Physics 2026-02-19 Carlos Blanco , Joshua W. Foster , Yonatan Kahn , Benjamin Lillard

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

The aim of the current work is a detailed time-series analysis of the data from Dark Matter direct detection experiments as well as related datasets. We examine recent claims that the cosmic ray muon flux can be responsible for generating…

High Energy Physics - Phenomenology · Physics 2015-03-19 Spencer Chang , Josef Pradler , Itay Yavin

I derive new halo-independent lower bounds on the product of the dark matter-nucleon scattering cross section and the local dark matter density that are valid for annual modulations of dark matter direct detection signals. They are obtained…

High Energy Physics - Phenomenology · Physics 2015-09-16 Juan Herrero-Garcia

The scattering rate at dark-matter direct-detection experiments should modulate annually due to the Earth's orbit around the Sun. The rate is typically thought to be extremized around June 1, when the relative velocity of the Earth with…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-03 Samuel K. Lee , Mariangela Lisanti , Annika H. G. Peter , Benjamin R. Safdi

We study the effect of gravitational focusing of the earth on dark matter. We find that the effect can produce a detectable diurnal modulation in the dark matter signal for part of the parameter space which for high dark matter masses is…

High Energy Physics - Phenomenology · Physics 2015-11-06 Chris Kouvaris , Niklas Grønlund Nielsen

The measurement of an annual modulation in the event rate of direct dark matter detection experiments is a powerful tool for dark matter discovery. Indeed, several experiments have already claimed such a discovery in the past decade. While…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-05 Francis Froborg , Alan R Duffy

We calculate the diurnal and annual modulation of the signals in axion and WIMP dark matter detectors on Earth caused by a cold flow of dark matter in the Solar neighborhood. The effects of the Sun's and the Earth's gravity, and of the…

Astrophysics · Physics 2009-11-10 Fu-Sin Ling , Pierre Sikivie , Stuart Wick

Due to Earth's revolution around the Sun, the expected scattering rate in direct dark matter searches is annually modulated. This modulation is expected to differ between experiments when given as a function of recoil energy $E_\text{R}$,…

High Energy Physics - Phenomenology · Physics 2015-06-24 Eugenio Del Nobile , Graciela B. Gelmini , Samuel J. Witte

We derive constraints on the annual modulation signal in Dark Matter (DM) direct detection experiments in terms of the unmodulated event rate. A general bound independent of the details of DM distribution follows from the assumption that…

High Energy Physics - Phenomenology · Physics 2015-06-03 Juan Herrero-Garcia , Thomas Schwetz , Jure Zupan

Earth's rotation about the Sun produces an annual modulation in the expected scattering rate at direct dark matter detection experiments. The annual modulation as a function of the recoil energy $E_\text{R}$ imparted by the dark matter…

High Energy Physics - Phenomenology · Physics 2016-02-17 Eugenio Del Nobile , Graciela B. Gelmini , Samuel J. Witte

Aromatic organic compounds, because of their small excitation energies ~ O(few eV) and scintillating properties, are promising targets for detecting dark matter of mass ~ O(few MeV). Additionally, their planar molecular structures lead to…

High Energy Physics - Phenomenology · Physics 2021-09-14 Carlos Blanco , Yonatan Kahn , Benjamin Lillard , Samuel D. McDermott

Distinguishing the signals due to scattering of WIMP dark matter off of nuclear targets from those due to background noise is a major challenge. The Earth's motion relative to the galactic halo should produce halo-dependent seasonal…

High Energy Physics - Phenomenology · Physics 2009-10-31 Craig J. Copi , Junseong Heo , Lawrence M. Krauss

We consider a simple generic dissipative dark matter model: a hidden sector featuring two dark matter particles charged under an unbroken $U(1)'$ interaction. Previous work has shown that such a model has the potential to explain dark…

High Energy Physics - Phenomenology · Physics 2018-12-13 R. Foot , S. Vagnozzi

The detection of dark matter is central to particle physics and cosmology. Current fashionable supersymmetric models provide a dark matter candidate, the lightest supersymmetric particle (LSP). When combined with fairly well understood…

Astrophysics · Physics 2007-05-23 J. D. Vergados

The motion of the Earth around the Sun causes an annual change in the magnitude and direction of the arrival velocity of dark matter particles on Earth, in a way analogous to aberration of stellar light. In directional detectors, aberration…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Nassim Bozorgnia , Graciela B. Gelmini , Paolo Gondolo

We investigate the diurnal modulation of the event rate for dark matter scattering on solid targets arising from the directionally dependent defect creation threshold energy. In particular, we quantify how this effect would help in…

High Energy Physics - Phenomenology · Physics 2021-09-29 Sebastian Sassi , Abolfazl Dinmohammadi , Matti Heikinheimo , Nader Mirabolfathi , Kai Nordlund , Hossein Safari , Kimmo Tuominen

Plasma dark matter, which arises in dissipative dark matter models, can give rise to large annual modulation signals from keV electron recoils. Previous work has argued that the DAMA annual modulation signal could have an explanation within…

High Energy Physics - Phenomenology · Physics 2018-09-13 R. Foot

The detection of the theoretically expected dark matter is central to particle physics cosmology. Current fashionable supersymmetric models provide a natural dark matter candidate which is the lightest supersymmetric particle (LSP). Such…

Astrophysics · Physics 2014-10-13 J. D. Vergados
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