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Related papers: CP Violation in the Neutrino Sector

200 papers

Following the precise measurement of $\theta_{13}$ by reactor experiments three main questions remain within the now standard picture of neutrino oscillations: (1) Is the value of $\theta_{23}$ such that the $\nu_3$ state contains more muon…

High Energy Physics - Experiment · Physics 2019-08-13 M. D. Messier

We point out that the dependence on the order of the matter through which neutrinos pass can provide a window into CP violation in the neutrino sector. This allows for study of CP in the neutrino sector without the necessity of making a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul M. Fishbane , Peter Kaus

The theory and phenomenology of neutrinos will be addressed, especially that relating to the observation of neutrino flavor transformations. The current status and implications for future experiments will be discussed with special emphasis…

High Energy Physics - Phenomenology · Physics 2015-06-17 Stephen J Parke

In view of the latest T2K and MINOS observations regarding the mixing angle s_{13}, we have explored the possibility of existence of CP violation in the leptonic sector. Using hints from the construction of the 'db' unitarity triangle in…

High Energy Physics - Phenomenology · Physics 2015-06-05 Gulsheen Ahuja

In this short lecture, we discuss some basic phenomenological aspects of CP and T violation in neutrino oscillation. Using CP/T trajectory diagrams in the bi-probability space, we try to sketch out some essential features of the interplay…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hisakazu Minakata , Hiroshi Nunokawa , Stephen Parke

In this talk I discuss the connection between neutrino mass, flavour and CP violation. I focus on three neutrino patterns of neutrino masses and mixing angles, and the corresponding Majorana mass matrices. I discuss the see-saw mechanism,…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. F. King

Within the framework of three lepton families I present a transparent analytical relationship between the neutrino mixing and CP-violating parameters in vacuum and thos in matter. Such a model- and parametrization-independent result will be…

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

The situation connected with a possibility of CPT violation in neutrino sector is considered.

High Energy Physics - Phenomenology · Physics 2015-03-17 V. P. Efrosinin

We present a classification of possible parametrizations of the 3x3 lepton flavor mixing matrix in terms of the rotation and phase angles. A particular parametrization, which is most convenient to describe the observables of neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 Harald Fritzsch , Zhi-zhong Xing

I summarize the status of three--neutrino oscillations that follow from combining the relevant world's data. The discussion includes the small parameters Delta_m-sol/Delta_m-atm and \sin^2\theta_{13}, which characterize the strength of CP…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. W. F. Valle

Suppose the geometrical explaination to the weak CP phase in quark sector is also valid for neutrinos, the mixing and CP violation in neutrino system are discussed. We find a larger $J_{CP}$ than $3\times 10^{-3}$ implys the large-mixing…

High Energy Physics - Phenomenology · Physics 2018-01-17 Yong Liu , Utpal Sarkar

We explore the prospects of observing leptonic CP violation in a neutrino factory in the context of a scenario with three strongly oscillating neutrinos able to account for the solar, the atmospheric and the LSND results. We address also…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Barenboim , F. Scheck

Recently we proposed a framework for explaining the observed evidence for neutrino oscillations without enlarging the neutrino sector, by introducing CPT violating Dirac masses for the neutrinos. In this paper we continue the exploration of…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. Barenboim , L. Borissov , J. Lykken

Neutrino oscillation experiments suggest existence of new flavor-violating interactions in high energy scale. It may be possible to probe them by the flavor- and CP-violating processes in leptons and hadrons in the supersymmetric (SUSY)…

High Energy Physics - Phenomenology · Physics 2009-11-10 Junji Hisano

We have studied $CPT$ violation in neutrino oscillation considering three flavor framework with matter effect. We have constructed a new way to find the oscillation probability incorporating $CPT$ violating terms without any approximation.…

High Energy Physics - Phenomenology · Physics 2014-11-21 Abhijit Samanta

Assuming 3-neutrino mixing and massive Majorana neutrinos, we analyze the possibility of establishing the existence of CP-violation associated with Majorana neutrinos in the lepton sector i) by measuring of the effective Majorana mass |<m>|…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Pascoli , S. T. Petcov , W. Rodejohann

We discuss the use of the CP asymmetry parameter (Acp) as a possible observable of CP violation in the leptonic sector. In order to do this, we study for a wide range of values of L/E the behavior of this asymmetry for the corresponding…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. M. Gago , V. Pleitez , R. Zukanovich Funchal

We study the consequences of CPT and lepton number violation in neutrino sector. For CPT violation we take gravity with which neutrino and antineutrino couple differently. Gravity mixes neutrino and antineutrino in an unequal ratio to give…

High Energy Physics - Phenomenology · Physics 2008-11-26 Monika Sinha , Banibrata Mukhopadhyay

We discuss how neutrino oscillation experiments can probe new sources of leptonic flavor and CP violation.

High Energy Physics - Phenomenology · Physics 2008-11-26 Yuval Grossman

CP violation in the lepton sector, and other aspects of neutrino physics, are studied within a high scale supersymmetry model. In addition to the sneutrino vacuum expectation values (VEVs), the heavy vector-like triplet also contributes to…

High Energy Physics - Phenomenology · Physics 2020-10-14 Ying-Ke Lei , Chun Liu