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Related papers: Leptonic CP Violation and its Origin

200 papers

We introduce the commutators of lepton mass matrices to describe the phenomenon of lepton flavor mixing, and establish their relations to the effective Hamiltonians responsible for the propagation of Dirac and Majorana neutrinos. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zhi-zhong Xing

We review flavour and CP violations in the lepton sector as probes of new physics beyond the standard model and its minimal extensions accommodating massive neutrinos. After recalling the main experimental bounds and the future…

High Energy Physics - Phenomenology · Physics 2015-09-29 Ferruccio Feruglio

Partial compositeness as a theory of flavor in the lepton sector is assessed. We begin presenting the first systematic analysis of neutrino mass generation in this context, and identifying the distinctive mass textures. We then update the…

High Energy Physics - Phenomenology · Physics 2021-01-05 Michele Frigerio , Marco Nardecchia , Javi Serra , Luca Vecchi

CP violation in B decays provides a powerful tool to probe physics from beyond the Standard Model. A theoretical overview of recent developments of benchmark channels is given, ranging from non-leptonic to rare leptonic and semileptonic…

High Energy Physics - Phenomenology · Physics 2024-02-02 Robert Fleischer

Accelerator-based neutrino oscillation experiments have the potential to revolutionise our understanding of fundamental physics, offering an opportunity to characterise charge-parity violation in the lepton sector; to determine the neutrino…

High Energy Physics - Experiment · Physics 2026-05-28 Stephen Dolan , Luke Pickering , Patrick Stowell , Callum Wilkinson , Clarence Wret

The CP violation required in leptogenesis may have different origin, but in an effective theory they all are related to the rephasing invariant CP violating measure in the mixing matrix of the leptonic sector. We point out that the maximum…

High Energy Physics - Phenomenology · Physics 2011-09-16 Yong Liu , Utpal Sarkar

We investigate under which circumstances one can show the existence of leptonic CP violation with the help of a positive or negative signal in neutrinoless double beta decay. The possibilities of cancellations are investigated for special…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Rodejohann

The manifestation of CP, T violation in the leptonic sector is studied for flavour neutrino oscillations, both in vacuum and in matter. Different conditions of short-base-line versus long-base-line experiments are discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Bernabeu

Models of leptonic flavour with discrete symmetries can provide an attractive explanation of the pattern of elements found in the leptonic mixing matrix. The next generation of neutrino oscillation experiments will allow the mixing…

High Energy Physics - Phenomenology · Physics 2015-06-19 Peter Ballett , Stephen F. King , Christoph Luhn , Silvia Pascoli , Michael A. Schmidt

The observation of neutrino masses leads to the possibility of leptonic mixing and CP violation. One of the simplest extensions of the Standard Model giving rise to neutrino masses consists of the introduction of one righthanded neutrino…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. N. Rebelo

We explore the theoretical constraints on the observable parameters of neutrino mixing on predictions for the leptonic Dirac CP-violating phase within a well-studied class of simple theoretical models that includes a single source of CP…

High Energy Physics - Phenomenology · Physics 2022-10-06 Lisa L. Everett , Raymundo Ramos , Ariel B. Rock , Alexander J. Stuart

In this topical review we argue that neutrino mass and mixing data motivates extending the Standard Model to include a non-Abelian discrete flavour symmetry in order to accurately predict the large leptonic mixing angles and CP violation.…

High Energy Physics - Phenomenology · Physics 2015-11-12 Stephen F. King

Flavour oscillations of sub-GeV atmospheric neutrinos and antineutrinos, traversing different distances inside the Earth, are a promising source of information on the leptonic CP phase $\delta$. In that energy range, the oscillations are…

High Energy Physics - Phenomenology · Physics 2020-12-02 Ara Ioannisian , Stefan Pokorski , Janusz Rosiek , Michal Ryczkowski

These proceedings introduce the main techniques and ideas for a systematic effective field theory analysis of CP violation in the charged lepton sector. This study is required because the Standard Model of particle physics predicts a very…

High Energy Physics - Phenomenology · Physics 2022-09-21 Giovanni Marco Pruna

It is by now established that neutrino oscillations occur due to non-zero masses and parameters in the leptonic mixing matrix. The extraction of oscillation parameters may be complicated due to subleading effects such as non-standard…

High Energy Physics - Phenomenology · Physics 2016-08-03 Mehedi Masud , Poonam Mehta

A general formalism is presented for violations of Lorentz and CPT symmetry in the neutrino sector. The effective hamiltonian for neutrino propagation in the presence of Lorentz and CPT violation is derived, and its properties are studied.…

High Energy Physics - Phenomenology · Physics 2009-09-25 Alan Kostelecky , Matthew Mewes

Neutrino non-standard interactions (NSI) can be constrained using coherent elastic neutrino-nucleus scattering. We discuss here two aspects in this respect, namely the effects of (i) charged current NSI in neutrino production and (ii)…

High Energy Physics - Phenomenology · Physics 2021-07-19 Amir N. Khan , Douglas W. McKay , Werner Rodejohann

One of the main goals of the Long Baseline Neutrino Observatory (LBNO) is to study the $L/E$ behaviour (spectral information) of the electron neutrino and antineutrino appearance probabilities, in order to determine the unknown CP-violation…

High Energy Physics - Phenomenology · Physics 2014-12-02 LBNO Collaboration , S. K. Agarwalla , L. Agostino , M. Aittola , A. Alekou , B. Andrieu , F. Antoniou , R. Asfandiyarov , D. Autiero , O. Bésida , A. Balik , P. Ballett , I. Bandac , D. Banerjee , W. Bartmann , F. Bay , B. Biskup , A. M. Blebea-Apostu , A. Blondel , M. Bogomilov , S. Bolognesi , E. Borriello , I. Brancus , A. Bravar , M. Buizza-Avanzini , D. Caiulo , M. Calin , M. Calviani , M. Campanelli , C. Cantini , G. Cata-Danil , S. Chakraborty , N. Charitonidis , L. Chaussard , D. Chesneanu , F. Chipesiu , P. Crivelli , J. Dawson , I. De Bonis , Y. Declais , P. Del Amo Sanchez , A. Delbart , S. Di~Luise , D. Duchesneau , J. Dumarchez , I. Efthymiopoulos , A. Eliseev , S. Emery , T. Enqvist , K. Enqvist , L. Epprecht , A. N. Erykalov , T. Esanu , D. Franco , M. Friend , V. Galymov , G. Gavrilov , A. Gendotti , C. Giganti , S. Gilardoni , B. Goddard , C. M. Gomoiu , Y. A. Gornushkin , P. Gorodetzky , A. Haesler , T. Hasegawa , S. Horikawa , K. Huitu , A. Izmaylov , A. Jipa , K. Kainulainen , Y. Karadzhov , M. Khabibullin , A. Khotjantsev , A. N. Kopylov , A. Korzenev , S. Kosyanenko , D. Kryn , Y. Kudenko , P. Kuusiniemi , I. Lazanu , C. Lazaridis , J. -M. Levy , K. Loo , J. Maalampi , R. M. Margineanu , J. Marteau , C. Martin-Mari , V. Matveev , E. Mazzucato , A. Mefodiev , O. Mineev , A. Mirizzi , B. Mitrica , S. Murphy , T. Nakadaira , S. Narita , D. A. Nesterenko , K. Nguyen , K. Nikolics , E. Noah , Yu. Novikov , A. Oprima , J. Osborne , T. Ovsyannikova , Y. Papaphilippou , S. Pascoli , T. Patzak , M. Pectu , E. Pennacchio , L. Periale , H. Pessard , B. Popov , M. Ravonel , M. Rayner , F. Resnati , O. Ristea , A. Robert , A. Rubbia , K. Rummukainen , A. Saftoiu , K. Sakashita , F. Sanchez-Galan , J. Sarkamo , N. Saviano , E. Scantamburlo , F. Sergiampietri , D. Sgalaberna , E. Shaposhnikova , M. Slupecki , D. Smargianaki , D. Stanca , R. Steerenberg , A. R. Sterian , P. Sterian , S. Stoica , C. Strabel , J. Suhonen , V. Suvorov , G. Toma , A. Tonazzo , W. H. Trzaska , R. Tsenov , K. Tuominen , M. Valram , G. Vankova-Kirilova , F. Vannucci , G. Vasseur , F. Velotti , P. Velten , V. Venturi , T. Viant , S. Vihonen , H. Vincke , A. Vorobyev , A. Weber , S. Wu , N. Yershov , L. Zambelli , M. Zito

We show how a minimization principle of quantum entanglement between the oscillating flavors of a neutrino leads to a unique prediction for the CP-violation phase in the neutrino sector without assuming extra symmetries in the Standard…

High Energy Physics - Phenomenology · Physics 2022-07-08 Gonçalo M. Quinta , Alexandre Sousa , Yasser Omar

The prospects of measuring the leptonic angles and CP-odd phases at a neutrino factory are discussed in two scenarios: 1) three active neutrinos as indicated by the present ensemble of atmospheric plus solar data; 2) three active plus one…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Donini , M. B. Gavela , P. Hernandez , S. Rigolin , -