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With the compelling evidence for massive neutrinos from recent neutrino oscillation experiments, one of the most fundamental tasks of particle physics over the next years will be the determination of the absolute mass scale of neutrinos,…

高能物理 - 实验 · 物理学 2007-05-23 Christian Weinheimer

One of the most important tasks in neutrino physics is to determine the neutrino mass scale to distinguish between hierarchical and degenerate neutrino mass models and to clarify the role of neutrinos as dark matter particles in the…

高能物理 - 实验 · 物理学 2007-05-23 Christian Weinheimer

With the compelling evidence for massive neutrinos from recent neutrino-oscillation experiments, one of the most fundamental tasks of particle physics over the next years will be the determination of the absolute mass scale of neutrinos.…

高能物理 - 实验 · 物理学 2012-08-27 KATRIN collaboration

The various experiments on neutrino oscillation evidenced that neutrinos have indeed non-zero masses but cannot tell us the absolute neutrino mass scale. This scale of neutrino masses is very important for understanding the evolution and…

高能物理 - 实验 · 物理学 2013-09-05 Christian Weinheimer , Kai Zuber

We study the discovery potential of future beta decay experiments on searches for the neutrino mass in the sub-eV range, and, in particular, KATRIN experiment with sensitivity $m > 0.3$ eV. Effects of neutrino mass and mixing on the beta…

高能物理 - 唯象学 · 物理学 2014-11-17 Y. Farzan , O. L. G. Peres , A. Yu. Smirnov

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…

高能物理 - 唯象学 · 物理学 2009-07-24 Werner Maneschg , Alexander Merle , Werner Rodejohann

The investigation of the endpoint region of the tritium beta decay spectrum is still the most sensitive direct method to determine the neutrino mass scale. In the nineties and the beginning of this century the tritium beta decay experiments…

高能物理 - 实验 · 物理学 2009-12-10 C. Weinheimer

The properties of neutrinos and especially their rest mass play an important role at the intersections of cosmology, particle physics and astroparticle physics. At present there are two complementary approaches to address this topic in…

高能物理 - 实验 · 物理学 2019-08-13 Thomas Thümmler

Neutrino oscillation and tritium beta decay experiments taken simultaneously into account are able to access the so far imperceptible absolute neutrino masses at the electronvolt level. The neutrino mass spectrum derived in this way is…

高能物理 - 唯象学 · 物理学 2011-02-21 M. Czakon , J. Gluza , J. Studnik , M. Zralek

We discuss four approaches to the determination of absolute neutrino mass. These are the measurement of the zero-neutrino double beta decay rate, of the tritium decay end-point spectrum, of the cosmic ray spectrum above the GZK cutoff (in…

高能物理 - 唯象学 · 物理学 2009-11-07 H. Päs , T. J. Weiler

Since the discovery of neutrino oscillations, it is known that neutrinos have small but non-zero masses. The neutrino mass scale, which is of fundamental importance for cosmology, astrophysics and particle physics, can be measured directly…

核实验 · 物理学 2026-01-13 Guido Drexlin , Christian Weinheimer

The sum of the masses of the three neutrino mass eigenstates is now constrained both from above and below, and lies between 55 and 6900 meV. The lower limit is set by neutrino oscillations and the fact that masses are non-negative. The…

核实验 · 物理学 2009-07-24 R. G. Hamish Robertson

Nearly 70 years since the neutrino was discovered, and 25 years since discovery of neutrino oscillations established its non-zero mass, the absolute neutrino-mass scale remains unknown. Due to its unique characteristics, determining this…

核实验 · 物理学 2024-11-14 Larisa A. Thorne

Thanks to oscillation experiments it is now an established fact that neutrinos are massive particles. Yet, the assessment of neutrinos absolute mass scale is still an outstanding challenge in particle physics and cosmology as oscillation…

仪器与探测器 · 物理学 2017-06-28 Andrea Giachero

With a mass at least six orders of magnitudes smaller than the mass of an electron -- but non-zero -- neutrinos are a clear misfit in the Standard Model of Particle Physics. On the one hand, its tiny mass makes the neutrino one of the most…

核实验 · 物理学 2016-06-22 Susanne Mertens

The search for neutrinoless double beta decay is a rich source for new physics. The observation of this decay will lead to understanding of the absolute mass scale of neutrinos, the Majorana nature of the neutrino (whether the neutrino is…

核实验 · 物理学 2013-05-16 Lisa J. Kaufman

Neutrinoless double decay is a unique probe for lepton number conservation and neutrino properties. It allows to investigate the Dirac/Majorana nature of the neutrinos and their absolute mass scale (hierarchy problem) with unprecedented…

核实验 · 物理学 2015-06-12 Oliviero Cremonesi

In the light of recent neutrino oscillation and non-oscillation data, we revisit the phenomenological constraints applicable to three observables sensitive to absolute neutrino masses: The effective neutrino mass in single beta decay…

高能物理 - 唯象学 · 物理学 2008-11-26 G. L. Fogli , E. Lisi , A. Marrone , A. Melchiorri , A. Palazzo , P. Serra , J. Silk , A. Slosar

Study of the neutrinoless double beta decay and searches for the manifestation of the neutrino mass in ordinary beta decay are the main sources of information about the absolute neutrino mass scale, and the only practical source of…

The absolute scale of neutrino masses is very important for understanding the evolution and the structure formation of the universe as well as for nuclear and particle physics beyond the present Standard Model. Complementary to deducing…

高能物理 - 实验 · 物理学 2010-05-12 C. Weinheimer
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