English
Related papers

Related papers: Neutrinoless Double Beta Decay Overview

200 papers

Neutrinoless double-beta decay (0$\nu\beta\beta$) decay is a hypothetical process that violates lepton number, and whose observation would unambiguously indicate that neutrinos are Majorana fermions. In the standard inverted-ordering…

Nuclear Experiment · Physics 2019-12-10 J. M. López-Castaño , I. Guinn

Neutrinoless double beta decay (\( 0 \nu \beta \beta \)) is a hypothetical nuclear decay mode with important implications. In particular, observation of this decay would demonstrate that the neutrino is a Majorana particle and that lepton…

High Energy Physics - Lattice · Physics 2020-04-17 W. Detmold , D. J. Murphy

Neutrinoless double beta decay belongs to the most sensitive tools for the search of new physics beyond the standard model. The recent half life limit of the Heidelberg-Moscow experiment implies restrictive bounds on the absolute mass scale…

High Energy Physics - Phenomenology · Physics 2016-11-03 H. V. Klapdor-Kleingrothaus , H. Päs

Neutron decay spectroscopy has become a successful tool to explore nuclear properties of nuclei with the largest neutron-to-proton ratios. Resonances in nuclei located beyond the neutron dripline are accessible by kinematic reconstruction…

Two neutrino double $\beta$ decay can create irremovable background even in high energy resolution detectors searching for neutrinoless double $\beta$ decay due to random coincidence of $2\nu2\beta$ events in case of poor time resolution.…

Instrumentation and Detectors · Physics 2013-01-21 D. M. Chernyak , F. A. Danevich , A. Giuliani , E. Olivieri , M. Tenconi , V. I. Tretyak

The present status of calculations of the nuclear matrix elements for neutrinoless double beta decay is reviewed. A proposal which allows in principle to measure the neutrinoless double beta decay Fermi matrix element is briefly described.

Nuclear Theory · Physics 2009-11-02 Vadim Rodin

The SuperNEMO project aims to search for neutrinoless double beta decay ($0\nu\beta\beta$) up to a sensitivity of 10$^{26}$ years for the $0\nu\beta\beta$ half-life (down to $\sim$ 50~meV in the effective Majorana neutrino mass), using…

High Energy Physics - Experiment · Physics 2019-08-14 Yu. A. Shitov

We perform a study of neutrinoless double beta ($0\nu\beta\beta$) decay mediated by the lightest neutralino of arbitrary mass in the Minimal Supersymmetric Standard Model (MSSM) under the presence of R-parity violating trilinear…

High Energy Physics - Phenomenology · Physics 2022-04-13 Patrick D. Bolton , Frank F. Deppisch , P. S. Bhupal Dev

NEMO 3 is a currently running experiment to search for the neutrinoless double beta decay and to study the two-neutrino double beta decay with 10kg of enriched isotopes. On the basis of the first two years of data taking, a limit on the…

Nuclear Experiment · Physics 2019-08-13 V. I. Tretyak

The half-life of the 2 neutrino double-beta-decay of 160Gd, a process which was previously reported as theoretically forbidden, is estimated by including the pairing interaction, which mixes different occupations and opens channels for the…

Nuclear Theory · Physics 2009-11-07 Jorge G. Hirsch , Octavio Castanos , Peter O. Hess , Osvaldo Civitarese

Neutrinoless double beta decay searches are currently among the major foci of experimental physics. The observation of such a decay will have important implications in our understanding of the intrinsic nature of neutrinos and shed light on…

Nuclear Theory · Physics 2020-12-15 L. Coraggio , N. Itaco , G. De Gregorio , A. Gargano , R. Mancino , S. Pastore

We review current experimental efforts to search for neutrinoless double beta decay (0$\nu\beta\beta$). A description of the selected leading experiments is given and the strongest recent results are compared in terms of achieved background…

High Energy Physics - Experiment · Physics 2016-06-29 Igor Ostrovskiy , Kevin O'Sullivan

The first evidence for neutrinoless double beta decay has been observed in the HEIDELBERG-MOSCOW experiment, which is the most sensitive double beta decay experiment since ten years. This is the first evidence for lepton number violation…

High Energy Physics - Phenomenology · Physics 2017-08-23 H. V. Klapdor-Kleingrothaus

Nuclear decays with simultaneous emission of two alpha particles are energetically possible for a number of nuclides. Prospects of searching for such kind of decay for nuclides present in the natural isotopic composition of elements are…

Nuclear Experiment · Physics 2024-05-30 V. I. Tretyak

We study neutrinoless double-beta decay in extensions of the Standard Model that include $n$ right-handed neutrino singlets, with masses $m_s$ below the GeV scale. Generalizing recently developed matching methods, we determine the $m_s$…

High Energy Physics - Phenomenology · Physics 2025-04-24 Vincenzo Cirigliano , Wouter Dekens , Sebastián Urrutia Quiroga

We treat 0+ -> 2+ neutrinoless double beta decays taking into account recoil corrections to the nuclear currents. The decay probability can be written as a quadratic form of the effective coupling constants of the right-handed leptonic…

High Energy Physics - Phenomenology · Physics 2009-10-31 T. Tomoda

Neutrinoless double beta decay is a process that violates lepton number conservation. It is predicted to occur in extensions of the Standard Model of particle physics. This Letter reports the results from Phase I of the GERmanium Detector…

Nuclear Experiment · Physics 2013-12-09 M. Agostini , M. Allardt , E. Andreotti , A. M. Bakalyarov , M. Balata , I. Barabanov , M. Barnabé Heider , N. Barros , L. Baudis , C. Bauer , N. Becerici-Schmidt , E. Bellotti , S. Belogurov , S. T. Belyaev , G. Benato , A. Bettini , L. Bezrukov , T. Bode , V. Brudanin , R. Brugnera , D. Budjáš , A. Caldwell , C. Cattadori , A. Chernogorov , F. Cossavella , E. V. Demidova , A. Domula , V. Egorov , R. Falkenstein , A. Ferella , K. Freund , N. Frodyma , A. Gangapshev , A. Garfagnini , C. Gotti , P. Grabmayr , V. Gurentsov , K. Gusev , K. K. Guthikonda , W. Hampel , A. Hegai , M. Heisel , S. Hemmer , G. Heusser , W. Hofmann , M. Hult , L. V. Inzhechik , L. Ioannucci , J. Janicskó Csáthy , J. Jochum , M. Junker , T. Kihm , I. V. Kirpichnikov , A. Kirsch , A. Klimenko , K. T. Knöpfle , O. Kochetov , V. N. Kornoukhov , V. V. Kuzminov , M. Laubenstein , A. Lazzaro , V. I. Lebedev , B. Lehnert , H. Y. Liao , M. Lindner , I. Lippi , X. Liu , A. Lubashevskiy , B. Lubsandorzhiev , G. Lutter , C. Macolino , A. A. Machado , B. Majorovits , W. Maneschg , M. Misiaszek , I. Nemchenok , S. Nisi , C. O'Shaughnessy , L. Pandola , K. Pelczar , G. Pessina , %F. Potenza , A. Pullia , S. Riboldi , N. Rumyantseva , C. Sada , M. Salathe , C. Schmitt , J. Schreiner , O. Schulz , B. Schwingenheuer , S. Schönert , E. Shevchik , M. Shirchenko , H. Simgen , A. Smolnikov , L. Stanco , H. Strecker , M. Tarka , C. A. Ur , A. A. Vasenko , O. Volynets , K. von Sturm , V. Wagner , M. Walter , A. Wegmann , T. Wester , M. Wojcik , E. Yanovich , P. Zavarise , I. Zhitnikov , S. V. Zhukov , D. Zinatulina , K. Zuber , G. Zuzel

One possible probe to physics beyond the standard model is to look for scalar bilinears, which couple to two fermions of the standard model. We point out that the scalar bilinears allow new diagrams contributing to the neutrinoless double…

High Energy Physics - Phenomenology · Physics 2009-11-07 H. V. Klapdor-Kleingrothaus , U. Sarkar

Heavy neutrino potential for neutrinoless double beta decay is studied with focusing on its statistical property. The existence condition for heavy neutrinos is also presented. In particular sterile neutrinos are possible candidate for…

High Energy Physics - Phenomenology · Physics 2018-04-13 Yoritaka Iwata

The $\lambda$ mechanism ($W_L$-$W_R$ exchange) of the neutrinoless double beta decay ($0\nu\beta\beta$-decay), which has origin in left-right symmetric model with right-handed gauge boson at TeV scale, is investigated. The revisited…

High Energy Physics - Phenomenology · Physics 2018-04-13 Fedor Šimkovic , Dušan Štefánik , Rastislav Dvornický , Amand Faessler