English
Related papers

Related papers: Probing CPT breaking induced by quantum decoherenc…

200 papers

The question of CP violating phases and electric dipole moments (EDMs)for the electron ($d_e$) and the neutron ($d_n$) for supergravity models with nonuniversal soft breaking is considered for models with a light ($\stackrel{<}{\sim}$1 TeV)…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , R. Arnowitt , B. Dutta

A number of different effects of the violation of the Equivalence Principle (VEP), taken as sub-leading mechanism of neutrino flavor oscillation, are examined within the framework of the DUNE experiment. We study the possibility of…

High Energy Physics - Phenomenology · Physics 2020-10-07 F. N. Díaz , J. Hoefken , A. M. Gago

We investigate the joint influence of CPT violation and quantum-gravity-induced Planck-scale corrections on the entanglement entropy of two-flavor neutrino oscillations. Building on the CPT-violating neutrino mass matrix arising from…

High Energy Physics - Phenomenology · Physics 2026-04-01 Bipin Singh Koranga , Baktiar Wasir Farooq

The mixed component of the non-commutative parameter \theta_{\mu M}, where \mu = 0,1,2,3 and M is an extra dimensional index may violate four-dimensional CPT invariance. We calculate one and two-loop induced couplings of \theta_{\mu 5} with…

High Energy Physics - Phenomenology · Physics 2009-11-07 Irina Mocioiu , Maxim Pospelov , Radu Roiban

An "almost diagonal" reduced density matrix (in coordinate representation) is usually a result of environment induced decoherence and is considered the sign of classical behavior. We point out that the proton of a ground state hydrogen atom…

Quantum Physics · Physics 2016-09-08 Gyula Bene , Szabolcs Borsanyi

The ultimate objectives of ongoing and upcoming neutrino experiments are the precise measurement of neutrino mixing parameters and the confirmation of mass hierarchy. The systematic inaccuracy in the cross-section models introduces…

High Energy Physics - Phenomenology · Physics 2022-10-05 Ritu Devi , Jaydip Singh , Baba Potukuchi

Neutral $B$-meson systems serve as critical tests of the Standard Model and play a key role in limiting its extensions. While these systems are typically studied under the assumption of perfect quantum coherence, interactions with the…

High Energy Physics - Phenomenology · Physics 2025-01-07 Ashutosh Kumar Alok , Neetu Raj Singh Chundawat , Jitendra Kumar , Saurabh Rai , S. Uma Sankar

We investigate the sensitivities of future neutrino oscillation experiments for measuring the neutrino mass squared differences and leptonic mixing angles independently with neutrinos and anti-neutrinos. We update the expected sensitivities…

High Energy Physics - Phenomenology · Physics 2008-12-10 S. Antusch , E. Fernandez-Martinez

We consider the $\nu_\mu \to \nu_{\tau}$ appearance channel in the future Deep Underground Neutrino Experiment (DUNE) which offers a good statistics of the $\nu_{\tau}$ sample. In order to measure its impact on constraining the oscillation…

High Energy Physics - Phenomenology · Physics 2019-12-18 Anish Ghoshal , Alessio Giarnetti , Davide Meloni

Unmodeled beyond Standard Model (BSM) physics in neutrino propagation can masquerade as parameter degeneracies in future precision measurements. Because the upcoming DUNE and T2HK experiments will operate at substantially different…

High Energy Physics - Phenomenology · Physics 2026-03-17 João Paulo Pinheiro , Ushak Rahaman

We obtain stringent bounds on neutrino quantum decoherence from the analysis of SN1987A data. We show that for the decoherence model considered here, which allows for neutrino-loss along the trajectory, the bounds are many orders of…

High Energy Physics - Phenomenology · Physics 2025-03-07 Christoph A. Ternes , Giulia Pagliaroli , Francesco L. Villante

We show that atmospheric neutrinos can provide a sensitive and robust probe of CPT violation (CPTV). We perform realistic event-rate calculations and study the variations of the ratio of total muon to antimuon survival rates with $L/E$ and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Anindya Datta , Raj Gandhi , Poonam Mehta , S Uma Sankar

We study the matter effect caused by nonstandard neutrino interactions (NSI) in the next generation long-baseline neutrino experiments, DUNE, T2HK and T2HKK. If multiple NSI parameters are nonzero, the potential of these experiments to…

High Energy Physics - Phenomenology · Physics 2017-01-20 Jiajun Liao , Danny Marfatia , Kerry Whisnant

New neutrino degrees of freedom allow for more sources of CP-invariance violation (CPV). We explore the requirements for accessing CP-odd mixing parameters in the so-called 3+1 scenario, where one assumes the existence of one extra, mostly…

High Energy Physics - Phenomenology · Physics 2015-03-17 André de Gouvêa , Kevin J. Kelly , Andrew Kobach

We examine matter induced CPT violation effects in long baseline electron neutrino appearance experiments in a low energy neutrino factory setup. Assuming CPT invariance in vacuum, the magnitude of CPT violating asymmetry in matter has been…

High Energy Physics - Phenomenology · Physics 2015-06-23 Monika Randhawa , Mandip Singh , Manmohan Gupta

Numerous non-standard interactions between neutrinos and scalar fields have been suggested in the literature. In this work, we have outlined the case of tensorial neutrino non-standard interactions with scalar fields, which can be related…

High Energy Physics - Phenomenology · Physics 2025-01-15 Rubén Cordero , Luis A. Delgadillo , O. G. Miranda , C. A. Moura

We discuss the interplay of wave packet decoherence and decoherence induced by quantum gravity via interactions with spacetime foam for high energy astrophysical neutrinos. In this context we point out a compelling consequence of the…

High Energy Physics - Phenomenology · Physics 2022-03-23 Dominik Hellmann , Heinrich Päs , Erika Rani

Over the past few decades, data from leading neutrino experiments have firmly established neutrino oscillation, implying non-zero neutrino masses and leptonic mixing and thereby providing confirmed evidence of physics beyond the Standard…

High Energy Physics - Phenomenology · Physics 2026-03-02 Ritam Kundu

The increasingly precise neutrino experiments raise the hope for searching for new physics through studying the impact of Neutral Current (NC) Non-Standard Interactions (NSI) of neutrinos with matter fields. Neutrino oscillation experiments…

High Energy Physics - Phenomenology · Physics 2024-10-22 Saeed Abbaslu , Mehran Dehpour , Yasaman Farzan , Sahar Safari

We propose a new approach to explore CPT violation of neutrino oscillation through a fluctuating matter based on time-dependent geometric quantities. By mapping the neutrino oscillation onto a Poincare sphere structure, we obtain an…

Quantum Physics · Physics 2016-06-14 Zisheng Wang , Hui Pan