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In a recent paper [arXiv:0901.0790], we showed that there is a neat geometric interpretation of two flavor neutrino oscillation formulae, and that the geometric phase involved in the physics of oscillations is restricted to be topological…

High Energy Physics - Phenomenology · Physics 2010-08-27 Poonam Mehta

We show that the phase appearing in neutrino flavor oscillation formulae has a geometric and topological contribution. We identify a topological phase appearing in the two flavor neutrino oscillation formula using Pancharatnam's…

High Energy Physics - Phenomenology · Physics 2010-04-14 Poonam Mehta

We provide explicit formulae for the noncyclic geometric phases or Pancharatnam phases of neutrino oscillations. Since Pancharatnam phase is a generalization of the Berry phase, our results generalize the previous findings for Berry phase…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xiang-Bin Wang , L. C. Kwek , Yong Liu , C. H. Oh

In [Phys. Lett. B 780, 216 (2018)], Capolupo et al. calculate the noncyclic geometric phases associated with neutrino flavor transitions in the two-neutrino scenario, and claim that the results depend on the choice of representations of…

High Energy Physics - Phenomenology · Physics 2021-05-25 Jianlong Lu

In vacuum or constant density matter, the two flavor neutrino oscillation formulae are insensitive to the presence of CP violating phases owing to the fact that the CP phase can be gauged away. In sharp contrast to the above case, we show…

High Energy Physics - Phenomenology · Physics 2010-02-05 Poonam Mehta

The geometric picture of neutrino oscillations offers a unique way to study the quantum mechanics of this phenomenon. In this picture, the propagation of a neutrino beam is described by a density matrix evolving in a state space with…

High Energy Physics - Phenomenology · Physics 2020-09-14 Sandeep Joshi

This pedagogical overview will cover the current status of neutrino physics from an experimentalist's point of view, focusing primarily on oscillation studies. The evidence for neutrino oscillations will be presented, along with the…

High Energy Physics - Experiment · Physics 2017-08-23 K. Scholberg

The geometrical representation of two-flavor neutrino oscillation represents the neutrino's flavor eigenstate as a magnetic moment-like vector that evolves around a magnetic field-like vector that depicts the Hamiltonian of the system. In…

High Energy Physics - Phenomenology · Physics 2023-12-14 Rajrupa Banerjee , Kiran Sharma , Sudhanwa Patra , Prasanta K. Panigrahi

Research in neutrino physics has been very active, both in experimental advances, with a new generation of detectors in operation and planning, and in theoretical discussions regarding the fundamental nature of the neutrino. This scientific…

High Energy Physics - Phenomenology · Physics 2024-12-24 Adriano Cherchiglia , Macello Jales , Guilherme Nogueira , Maressa P. Sampaio , Pedro C. de Holanda

In this Letter, using von Neumann entropy we examine the entanglement entropy for the neutrino oscillations in the presence of the subsequent phase shift. We numerically show that the entanglement entropy for the subsequent periods of the…

High Energy Physics - Phenomenology · Physics 2025-09-24 Hoda Abdolalizade , Ekrem Aydiner

Arguments continue to appear in the literature concerning the validity of the standard oscillation formula. We point out some misunderstandings and try to explain in simple terms our viewpoint.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. De Leo , C. C. Nishi , P. Rotelli

We study neutrino oscillations within the framework of extended theories of gravity. Based on the covariant reformulation of Pontecorvo formalism, we evaluate the oscillation probability of neutrinos propagating in static spacetimes…

General Relativity and Quantum Cosmology · Physics 2020-01-22 Luca Buoninfante , Giuseppe Gaetano Luciano , Luciano Petruzziello , Luca Smaldone

Using an analogy with the well-known double-slit experiment, we show that the standard phase of neutrino oscillations is correct, refuting recent claims of a factor of two correction. We also improve the wave packet treatment of neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Giunti

The phenomenon of neutrino oscillation has been firmly established: neutrinos change their flavor in their path from their source to observers. This paper is dedicated to the description of experimental results in the oscillation field, of…

High Energy Physics - Experiment · Physics 2009-11-05 U. Dore , D. Orestano

We present a derivation of the flavor neutrino states which describe neutrinos produced or detected in charged-current weak-interaction processes, including those operating in neutrino oscillation experiments. We also present a covariant…

High Energy Physics - Phenomenology · Physics 2017-08-23 Carlo Giunti

We develop the approach to the problem of neutrino oscillations in a magnetic field introduced in \cite{Popov:2019nkr} and extend it to the case of three neutrino generations. The theoretical framework suitable for computation of the Dirac…

High Energy Physics - Phenomenology · Physics 2020-12-15 Alexey Lichkunov , Artem Popov , Alexander Studenikin

We comment on the paper "On application of the time-energy uncertainty relation to M\"ossbauer neutrino experiments" (see arXiv: 0803.1424) in which our paper "Time-energy uncertainty relations for neutrino oscillation and M\"ossbauer…

High Energy Physics - Phenomenology · Physics 2008-04-23 S. M. Bilenky , F. von Feilitzsch , W. Potzel

We present an expression for the transition probability between Dirac or Majorana neutrino flavors obtained from first principles within quantum field theory. Our derivation is based on a standard quantum mechanical setup and includes the…

High Energy Physics - Phenomenology · Physics 2008-10-23 Luca Visinelli , Paolo Gondolo

We study the total and the geometric phase associated with neutrino mixing and we show that the phases produced by the neutrino oscillations have different values depending on the representation of the mixing matrix and on the neutrino…

High Energy Physics - Phenomenology · Physics 2020-01-08 A. Capolupo , S. M. Giampaolo

After a fascinating phase of discoveries, neutrino physics still has a few mysteries such as the absolute mass scale, the mass hierarchy, the existence of CP violation in the lepton sector and the existence of right-handed neutrinos. It is…

High Energy Physics - Experiment · Physics 2015-06-05 Fanny Dufour , Dave Wark
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