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Experimental observations and theoretical arguments point out that Dark Matter (DM) particles are one of the most prominent component of the Universe. This motivated the pioneer DAMA experiment to investigate the presence of these particles…

High Energy Physics - Phenomenology · Physics 2021-10-12 R. Bernabei , P. Belli , V. Caracciolo , R. Cerulli , V. Merlo , F. Cappella , A. d'Angelo , A. Incicchitti , C. J. Dai , X. H. Ma , X. D. Sheng , F. Montecchia , Z. P. Ye

We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in…

The DAMA/LIBRA collaboration has reported the observation of an annual modulation in the event rate that has been attributed to dark matter interactions over the last two decades. However, even though tremendous efforts to detect similar…

We examine the dark matter interpretation of the modulation signal reported by the DAMA experiment from the perspective of effective field theories displaying Galilean invariance. We consider the most general effective coupling leading to…

High Energy Physics - Phenomenology · Physics 2016-05-25 Riccardo Catena , Alejandro Ibarra , Sebastian Wild

Inelastic dark matter, in which WIMP-nucleus scatterings occur through a transition to an excited WIMP state ~ 100 keV above the ground state, provides a compelling explanation of the DAMA annual modulation signal. We demonstrate that the…

High Energy Physics - Phenomenology · Physics 2009-05-22 Spencer Chang , Graham D. Kribs , David Tucker-Smith , Neal Weiner

We re-analyse the implications of the DAMA/NaI experiment for mirror matter-type dark matter, taking into account information from the energy dependence of the DAMA annual modulation signal. This is combined with the null results from the…

Astrophysics · Physics 2008-11-26 R. Foot

In this paper we evaluate sources of background for the $\gamma p \to \omega p$, with the $\omega$ detected through its $\pi^0 \gamma$ decay channel, to compare with the experiment carried out at ELSA. We find background from $\gamma p \to…

Nuclear Theory · Physics 2010-12-09 M. Kaskulov , E. Hernandez , E. Oset

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

Data collected during three years with a germanium spectrometer at the Sierra Grande underground laboratory have been analyzed for distinctive features of annual modulation of the signal induced by WIMP dark matter candidates. The main…

We study the compatibility of the observed DAMA modulation signal with inelastic scattering of dark matter (DM) off of the $0.1\%$ Thallium (Tl) dopant in DAMA. In this work we test whether there exist regions of parameter space where the…

High Energy Physics - Phenomenology · Physics 2021-11-03 Sunniva Jacobsen , Katherine Freese , Chris Kelso , Pearl Sandick , Patrick Stengel

If dark matter is composed of new fundamental particles, Earth's orbital motion around the Sun may induce an annual modulation in the rate at which these particles interact in a terrestrial detector. The DAMA collaboration has identified at…

High Energy Physics - Phenomenology · Physics 2021-10-27 Douglas Q. Adams , Sunniva Jacobsen , Chris Kelso

Peaking consistently in June for nearly eleven years, the annual modulation signal reported by DAMA/NaI and DAMA/LIBRA offers strong evidence for the identity of dark matter. DAMA's signal strongly suggest that dark matter inelastically…

High Energy Physics - Phenomenology · Physics 2015-03-13 Daniele S. M. Alves , Siavosh R. Behbahani , Philip Schuster , Jay G. Wacker

The rare decay $H \to Z\gamma$ has been investigated by both the ATLAS and CMS Collaborations, with each reporting an excess in Run~2 in 2023 characterized by $\mu = 2.2 \pm 0.7$. This anomaly was initially attributed to possible…

High Energy Physics - Phenomenology · Physics 2025-12-02 Aliaksei Kachanovich

We present a halo-independent determination of the unmodulated signal corresponding to the DAMA modulation if interpreted as due to dark matter weakly interacting massive particles (WIMPs). First we show how a modulated signal gives…

High Energy Physics - Phenomenology · Physics 2017-09-27 Paolo Gondolo , Stefano Scopel

We explore the dark matter interpretation of the anomalies claimed by the DAMA and CoGeNT experiments, in conjunction with the various null direct-detection experiments. An independent analysis of the CoGeNT data is employed and several…

High Energy Physics - Phenomenology · Physics 2015-05-28 Marco Farina , Duccio Pappadopulo , Alessandro Strumia , Tomer Volansky

We investigate deviations from $\Lambda$CDM by independently parameterizing modifications in the background evolution and the growth of structures. The background is characterized by two parameters, $A$ and $B$, which reduce to…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-08 Shibendu Gupta Choudhury , Purba Mukherjee , Anjan Ananda Sen

We show that the annual modulation signal observed by DAMA can be reconciled with all other negative results from dark matter searches with a conventional halo model for particle masses around 5 to 9 GeV. We also show which particular dark…

High Energy Physics - Phenomenology · Physics 2009-11-11 Graciela B. Gelmini

Recently published data suggest a possible solar influence on some nuclear decay rates, including evidence for an annual variation attributed to the varying Earth-Sun distance. Here, we consider the possibility that the annual signal seen…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jonathan Nistor , Ephraim Fischbach , John T. Gruenwald , Daniel Javorsek , Jere H. Jenkins , Robert H. Lee

As a coauthor of the article mentioned in the title, I discuss the criticism in the comment of Aalseth et al. Part of the criticism is justified.

High Energy Physics - Phenomenology · Physics 2007-05-23 H. L. Harney

We point out three apparent inconsistencies in the treatment of oscillation coherence from reactor neutrino and source neutrino experiments in recent paper "Damping of neutrino oscillations, decoherence and the lengths of neutrino wave…

High Energy Physics - Phenomenology · Physics 2022-09-02 B. J. P. Jones