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We reconstruct the neutrino mass as a function of redshift, z, from current cosmological data using both standard binned priors and linear spline priors with variable knots. Using cosmic microwave background temperature, polarization and…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-22 Christiane S. Lorenz , Lena Funcke , Matthias Löffler , Erminia Calabrese

The planned rhenium beta-decay experiment MARE might probe the absolute mass scale of neutrinos with the same sensitivity as the tritium beta-decay experiment KATRIN, which will start data taking in 2011 and will proceed for five years. We…

High Energy Physics - Phenomenology · Physics 2015-03-17 Rastislav Dvornicky , Kazuo Muto , Fedor Simkovic , Amand Faessler

In this paper, we emphasize why it is important for future neutrinoless double-beta ($0\nu\beta\beta$) decay experiments to reach the sensitivity to the effective neutrino mass $|m^{}_{\beta\beta}| \approx 1~{\rm meV}$. Assuming such a…

High Energy Physics - Phenomenology · Physics 2020-04-22 Jun Cao , Guo-yuan Huang , Yu-Feng Li , Yifang Wang , Liang-Jian Wen , Zhi-zhong Xing , Zhen-hua Zhao , Shun Zhou

The discovery of neutrino oscillations has shown that neutrinos, in contradiction to a prediction of the minimal standard model, have mass. Oscillations do not yield a value for the mass, but do set a lower limit of 0.02 eV on the average…

Nuclear Experiment · Physics 2015-02-03 R. G. Hamish Robertson

We performed a search for any sign of an additional neutrino mass state in beta-electron spectrum based on data reanalysis of direct electron antineutrino mass measurements in Tritium beta-decay in the Troitsk nu-mass experiment. The…

High Energy Physics - Experiment · Physics 2015-06-12 A. I. Belesev , A. I. Berlev , E. V. Geraskin , A. A. Golubev , N. A. Likhovid , A. A. Nozik , V. S. Pantuev , V. I. Parfenov , A. K. Skasyrskaya

The expected sensitivity of cluster SZ number counts to neutrino mass in the sub-eV range is assessed. We find that from the ongoing {\it Planck}/SZ measurements the (total) neutrino mass can be determined at a (1-sigma) precision of 0.06…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Yoel Rephaeli , Meir Shimon

The framework of three-flavor neutrino oscillation is a well-established phenomenon, but results from the short-baseline experiments, such as the Liquid Scintillator Neutrino Detector (LSND) and MiniBooster Neutrino Experiment (MiniBooNE),…

High Energy Physics - Phenomenology · Physics 2024-05-08 Srubabati Goswami , Debashis Pachhar , Supriya Pan

This proceedings paper briefly reviews the status of direct experimental probes into the neutrino-mass scale, with an emphasis on recent results from the KATRIN experiment.

Nuclear Experiment · Physics 2026-01-06 Diana S. Parno

The shape of the beta decay energy distribution is sensitive to the mass of the electron neutrino. Attempts to measure the endpoint shape of tritium decay have so far seen no distortion from the zero-mass form, thus placing an upper limit…

Nuclear Experiment · Physics 2009-09-24 Benjamin Monreal , Joseph A. Formaggio

The most stringent constraint on the so-called effective electron neutrino mass from the present neutrinoless double beta decay experiments is |M_{ee}| < 0.2 eV, while the planned next generation experiment GENIUS is anticipated to reach a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Anna Kalliomaki , Jukka Maalampi

The nuGeN experiment is aimed to investigate neutrino properties using antineutrinos from the reactor of the Kalinin Nuclear Power Plant. The experimental setup is located at about 11 meters from the center of the 3.1 GWth reactor core.…

Within the framework of the Standard Model of particle physics and standard cosmology, observations of the Cosmic Microwave Background (CMB) and Baryon Acoustic Oscillations (BAO) set stringent bounds on the sum of the masses of neutrinos.…

High Energy Physics - Phenomenology · Physics 2016-03-16 Yasaman Farzan , Steen Hannestad

We introduce a new method to detect the absolute neutrino mass scale. It uses a macroscopic mass of tritium source. We explain that the neutrino mass can be measured by scaling the mass difference of the source between initial and final…

High Energy Physics - Phenomenology · Physics 2014-11-20 Akihiro Matsuzaki , Hidekazu Tanaka

We perform a statistical analysis with the prospective results of future experiments on neutrino-less double beta decay, direct searches for neutrino mass (KATRIN) and cosmological observations. Realistic errors are used and the nuclear…

High Energy Physics - Phenomenology · Physics 2009-07-24 Werner Maneschg , Alexander Merle , Werner Rodejohann

We discuss the physics potential of future tritium beta-decay experiments having a sensitivity to a neutrino mass ~\sqrt{|\Delta m^{2}_{23}|}~5x10^{-2} eV. The case of three-neutrino mixing is analised. A negative result of such an…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. Bilenky , M. D. Mateev , S. T. Petcov

Neutrino oscillation experiments have proved that neutrinos are massive particles, but can't determine their absolute mass scale. Therefore the neutrino mass is still an open question in elementary particle physics. An international…

According to different effects on neutrino oscillations, the unitarity violation in the MNSP matrix can be classified into the direct unitarity violation and the indirect unitarity violation which are induced by the existence of the light…

High Energy Physics - Phenomenology · Physics 2015-12-09 Shu Luo

We report first constraints on neutrino electromagnetic properties from neutrino-electron scattering using data obtained from the CONUS germanium detectors, i.e. an upper limit on the effective neutrino magnetic moment and an upper limit on…

High Energy Physics - Experiment · Physics 2023-01-31 H. Bonet , A. Bonhomme , C. Buck , K. Fülber , J. Hakenmüller , J. Hempfling , G. Heusser , T. Hugle , M. Lindner , W. Maneschg , T. Rink , H. Strecker , R. Wink

Next generation tritium decay experiments to determine the absolute neutrino mass require high-precision measurements of $\beta$-decay electron energies close to the kinematic end point. To achieve this, the development of high phase-space…

Sterile neutrinos are a minimal extension of the Standard Model of Particle Physics. If their mass is in the kilo-electron-volt regime, they are viable dark matter candidates. One way to search for sterile neutrinos in a laboratory-based…