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Related papers: Towards Resolving the Gallium Anomaly

200 papers

Open neutrino physics issues require precision studies, both theoretical and experimental ones, and towards this aim coherent neutral current neutrino-nucleus scattering events are expected to be observed soon. In this work, we explore…

Nuclear Theory · Physics 2016-12-23 D. K. Papoulias , T. S. Kosmas

I provide a (personal) review of the current hints for physics beyond the Standard Model, called ``anomalies'', obtained both at the intensity frontier (flavour and electroweak precision observables) and in direct LHC searches. This…

High Energy Physics - Phenomenology · Physics 2023-04-10 Andreas Crivellin

Analysis of data from the EGRET gamma-ray detector on the Compton Gamma Ray Observatory indicated an anomaly in the form of an excess diffuse galactic flux at GeV energies over that which was theoretically predicted. Various explanations…

Astrophysics · Physics 2009-06-23 F. W. Stecker , S. D. Hunter , D. A. Kniffen

The construction of large volume detectors of high energy, >1 TeV, neutrinos is mainly driven by the search for extra-Galactic neutrino sources. The existence of such sources is implied by observations of ultra-high energy, >10^{19} eV,…

Astrophysics · Physics 2009-11-13 E. Waxman

We calculate limits to the properties of massive, unstable neutrinos using data from gamma-ray detectors on the Pioneer Venus Orbiter Satellite; a massive neutrino emitted from SN1987A that decayed in flight and produced gamma rays would be…

Astrophysics · Physics 2008-11-26 A. Jaffe , M. S. Turner

Numerous anomalous results in neutrino oscillation experiments can be attributed to interference of ~1 eV sterile neutrino. The specially designed to fully explore the Gallium anomaly Baksan Experiment on Sterile Transitions (BEST) starts…

High Energy Physics - Phenomenology · Physics 2016-04-13 Vladislav Barinov , Vladimir Gavrin , Dmitry Gorbunov , Tatiana Ibragimova

The claims that the GSI time anomaly is due to the mixing of neutrinos in the final state of the observed electron-capture decays of hydrogen-like heavy ions are refuted with the help of an analogy with a double-slit experiment. It is a…

High Energy Physics - Phenomenology · Physics 2014-11-20 Carlo Giunti

Recently new reactor antineutrino spectra have been provided for 235U, 239Pu, 241Pu and 238U, increasing the mean flux by about 3 percent. To good approximation, this reevaluation applies to all reactor neutrino experiments. The synthesis…

High Energy Physics - Experiment · Physics 2011-05-12 G. Mention , M. Fechner , Th. Lasserre , Th. A. Mueller , D. Lhuillier , M. Cribier , A. Letourneau

All of the experimental data points presented in the original paper are correct and unchanged (including statistical and systematic uncertainties). However, herein we correct a comparison between the experimental data and a theoretical…

Nuclear Experiment · Physics 2014-11-18 PHENIX Collaboration , A. Adare

We perform a global analysis of most up-to-date solar neutrino data and KamLAND reactor antineutrino data in the framework of the 3+1 sterile neutrino mixing scenario (invoked to explain the results of the Gallium source experiments) with…

High Energy Physics - Phenomenology · Physics 2025-02-07 M. C. Gonzalez-Garcia , Michele Maltoni , João Paulo Pinheiro

We study the physics potential of the detection of the Cosmic Neutrino Background via neutrino capture on tritium, taking the proposed PTOLEMY experiment as a case study. With the projected energy resolution of $\Delta \sim$ 0.15 eV, the…

High Energy Physics - Phenomenology · Physics 2014-11-13 Andrew J. Long , Cecilia Lunardini , Eray Sabancilar

The solar neutrino capture rate measured by the Russian-American Gallium Experiment (SAGE) on metallic gallium during the period January 1990 through December 1997 is 67.2 (+7.2-7.0) (+3.5-3.0) SNU, where the uncertainties are statistical…

Astrophysics · Physics 2012-08-27 SAGE Collaboration

Since the expected rates for neutralino-nucleus scattering are expected to be small, one should exploit all the characteristic signatures of this reaction. Such are: (i) In the standard recoil measurements the modulation of the event rate…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. D. Vergados

The radiative decay of ultrarelativistic massive neutrino $\nu_i \rightarrow \nu_j \gamma$ is investigated in electromagnetic fields in the framework of the Standard Model with lepton mixing. Estimates of the decay probability and ``decay…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Gvozdev , N. V. Mikheev , L. A. Vassilevskaya

We consider the interpretation of the MiniBooNE low-energy anomaly and the Gallium radioactive source experiments anomaly in terms of short-baseline electron neutrino disappearance in the framework of 3+1 four-neutrino mixing schemes. The…

High Energy Physics - Phenomenology · Physics 2010-10-12 Carlo Giunti , Marco Laveder

Weak Gamow-Teller (GT) responses for low-lying states in ${}^{71}\mathrm{Ga}$ are crucial for studying low-energy solar neutrinos and the Ga anomaly, i.e., the possible transition to the sterile state. The responses for the ground state,…

Nuclear Theory · Physics 2025-04-17 Yoritaka Iwata , Hiroyasu Ejiri , Shahariar Sarkar

Recent experimental searches for neutrino mass in tritium beta decay yield a negative value for the mass-squared of the electron neutrino. If this effect is genuine, then it is hard to understand it using conventional particle physics ideas…

High Energy Physics - Phenomenology · Physics 2009-10-28 Rabindra N. Mohapatra , Shmuel Nussinov

Data from several neutrino experiments suggest an anomalous neutrino flavor transition across relatively short baselines which is in conflict with the three-flavor neutrino oscillation paradigm. In particular, MiniBooNE and BEST…

High Energy Physics - Phenomenology · Physics 2023-05-16 Vedran Brdar

Recent experimental results in $B$ physics from Belle, BaBar and LHCb suggest new physics (NP) in the weak $b\to c$ charged-current and the $b\to s$ neutral-current processes. Here we focus on the charged-current case and specifically on…

High Energy Physics - Phenomenology · Physics 2023-01-18 Bhubanjyoti Bhattacharya , Thomas E. Browder , Quinn Campagna , Alakabha Datta , Shawn Dubey , Lopamudra Mukherjee , Alexei Sibidanov

The MiniBooNE experiment has recently reported an anomalous 4.5$\sigma$ excess of electron-like events consistent with $\nu_e$ appearance from a $\nu_\mu$ beam at short-baseline. Given the lack of corresponding $\nu_\mu$ disappearance…

High Energy Physics - Phenomenology · Physics 2019-08-08 Johnathon R. Jordan , Yonatan Kahn , Gordan Krnjaic , Matthew Moschella , Joshua Spitz