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Related papers: A predictive scheme for neutrino masses

200 papers

A neutrino mass matrix is considered under conditions of a CP invariance and a small reactor mixing $\theta_{13}$ angle. Absolute mass values for three neutrinos are evaluated for normal and inverted hierarchy spectra on the ground of data…

High Energy Physics - Phenomenology · Physics 2009-05-20 V. V. Khruschov

Two schemes of mixing of four massive neutrinos with two close neutrino masses separated by a gap of Delta m^2 about 1 eV^2 can accommodate solar, atmospheric and LSND neutrino oscillation data. It is shown that long-baseline nu(e)->nu(x)…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky , C. Giunti , W. Grimus

In the presence of mixing between massive neutrino states, the distortion of the electron spectrum in beta decay is, in general, a function of several masses and mixing angles. For $3\nu$-schemes which describe the solar and atmospheric…

High Energy Physics - Phenomenology · Physics 2009-11-07 Y. Farzan , A. Yu. Smirnov

We discuss the connection between the origin of neutrino masses and their mixings which arises in a class of scenarios with radiatively induced neutrino masses. In these scenarios, the neutrino mass matrix acquires textures with two entries…

High Energy Physics - Phenomenology · Physics 2014-07-18 Michael Gustafsson , Jose M. No , Maximiliano A. Rivera

Two schemes of mixing of four massive neutrinos with two couples of close neutrino masses separated by a gap of the order of 1 eV can accommodate solar, atmospheric and LSND neutrino oscillation data. It is shown that long-baseline…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. M. Bilenky , C. Giunti , W. Grimus

We examine some patterns of Majorana neutrino mass matrix which is compatible with the phenomenological lepton flavor mixing matrix and non-observation of neutrinoless double beta decay. Imposing $(M_{\nu})_{ee}=0$ for the Majorana neutrino…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sin Kyu Kang , C. S. Kim

A parametrisation of the degenerate neutrino mass matrix obeying $\mu -\tau$ symmetry, is introduced for detailed numerical analysis. As a continuation of our earlier work on normal and inverted hierarchical models, the present…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. Nimai Singh , H. Zeen Devi , Abhijit Borah , S. Somorendro Singh

When three Majorana neutrinos describe the solar and atmospheric neutrino data via oscillations, a nonzero measurement of neutrinoless double beta ($0\nu\beta\beta$) decay can determine the sum of neutrino masses $\sum m_\nu$ if the solar…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , K. Whisnant

The neutrinoless double $\beta$-decay is reviewed. Model independent evidence in favor of neutrino masses and mixing is briefly summarized. The data of the recent experiments on the search for $0\nu\beta\beta$-decay are presented and some…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. M. Bilenky

We investigate the prospects for neutrinoless double beta decay, texture zeros and equalities between neutrino mass matrix elements in scenarios with vanishing determinant mass matrices for vanishing and finite $\theta_{13}$ mixing angle in…

High Energy Physics - Phenomenology · Physics 2007-06-22 Bhag C. Chauhan , Joao Pulido , Marco Picariello

In this work, we investigate a predictive class of neutrino mass matrices characterized by one texture zero and one vanishing sub-trace within the framework of the scotogenic model, wherein neutrino masses, dark matter, and neutrinoless…

High Energy Physics - Phenomenology · Physics 2025-11-11 Ankush , Sangeeta Dey , Rishu Verma , Manoj Kumar , B. C. Chauhan , Mahadev Patgiri

We study predictive textures for the lepton mass matrices in which the charged-lepton mass matrix has either four or five zero matrix elements while the neutrino Majorana mass matrix has, respectively, either four or three zero matrix…

High Energy Physics - Phenomenology · Physics 2015-05-20 P. M. Ferreira , L. Lavoura

Specific class of textures for the Dirac and Majorana mass matrices in the seesaw model leading to a pair of almost degenerate neutrinos is discussed. These textures can be obtained by imposing a horizontal $U(1)$ symmetry. A specific model…

High Energy Physics - Phenomenology · Physics 2009-10-28 Gautam Dutta , Anjan S. Joshipura

There are three observables related to neutrino mass, namely the kinematic mass in direct searches, the effective mass in neutrino-less double beta decay, and the sum of neutrino masses in cosmology. In the limit of exactly degenerate…

High Energy Physics - Phenomenology · Physics 2010-05-12 Werner Rodejohann

An approximate neutrino mixing matrix is formutated by using the standard neutrino mixing matrix as a basis and experimental data of neutrino oscillations as inputs. By using the resulted approximate neutrino mixing matrix to proceed the…

High Energy Physics - Phenomenology · Physics 2016-07-05 Asan Damanik

The relations between the effective Majorana mass of the electron neutrino, $m_{ee}$, responsible for neutrinoless double beta decay, and the neutrino oscillation parameters are considered. We show that for any specific oscillation pattern…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. V. Klapdor-Kleingrothaus , H. Päs , A. Y. Smirnov

We discuss to what extent future precision measurements of neutrino mixing observables will influence the information we can draw from a measurement of (or an improved limit on) neutrinoless double beta decay. Whereas the Delta m^2…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Choubey , W. Rodejohann

We present a concise formula to relate the effective mass term of the neutrinoless double beta decay to a single neutrino mass, two Majorana CP-violating phases and four observables of neutrino oscillations for a generic neutrino mass…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhi-zhong Xing

We propose a model where neutrino masses are generated at three loop order but neutrinoless double beta decay occurs at one loop. Thus we can have large neutrinoless double beta decay observable in the future experiments even when the…

High Energy Physics - Phenomenology · Physics 2018-06-21 Julien Alcaide , Dipankar Das , Arcadi Santamaria

As a viable alternative to the LMA solution to the solar neutrino problem, the LOW solution is confronted with two-zero textures of the $3\times 3$ neutrino mass matrix. We find out nine acceptable textures, from which instructive…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wan-lei Guo , Zhi-zhong Xing