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Related papers: Leptonic Unitarity Triangle and CP-violation

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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

We address the validity of the usual procedure to determine the sensitivity of neutrino oscillation experiments to CP violation. An explicit calibration of the test statistic is performed through Monte Carlo simulations for several…

High Energy Physics - Phenomenology · Physics 2015-06-22 Mattias Blennow , Pilar Coloma , Enrique Fernandez-Martinez

The field of neutrino physics has made significant progress in measuring the strength and frequency of neutrino and antineutrino oscillations in the past two decades. It is clear that the amplitudes involved in the neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2026-02-09 Shu Luo

If the massive neutrinos are identified to be the Majorana particles via a convincing measurement of the neutrinoless double beta (0\nu\beta\beta) decay, how to determine the Majorana CP-violating phases in the 3 x 3 lepton flavor mixing…

High Energy Physics - Phenomenology · Physics 2013-08-09 Zhi-zhong Xing , Ye-Ling Zhou

One of the main goals of the Long Baseline Neutrino Oscillation experiment (LBNO) experiment is to study the L/E behaviour of the electron neutrino appearance probability in order to determine the unknown phase $\delta_{CP}$. In the…

Instrumentation and Detectors · Physics 2014-11-11 M. Calviani , S. Di Luise , V. Galymov , P. Velten

Testing the unitarity of the lepton mixing matrix, in a manner analogous to the unitarity tests of the CKM matrix in the quark sector, is an important step toward probing physics beyond the standard three-generation framework. In long…

High Energy Physics - Phenomenology · Physics 2026-05-21 Ryuichiro Kitano , Joe Sato , Sho Sugama

I review several methods for determining the CKM phases $\alpha \equiv \phi_2$ and $\gamma \equiv \phi_3$ through CP asymmetry measurements in hadronic B decays. The current status of these measurements and the near future feasibility of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Michael Gronau

Leptonic CP violation is one of the most important topics in neutrino physics. CP violation in the neutrino sector is strongly related to the nature of neutrinos: whether they are Dirac or Majorana particles. In \cite{Popov:2021icg} we have…

High Energy Physics - Phenomenology · Physics 2023-02-14 Artem Popov , Alexander Studenikin

In view of the observed strong hierarchy of quark masses, we propose a new description of flavor mixing which is particularly suited for models of quark mass matrices based on flavor symmetries. The necessary and sufficient conditions for…

High Energy Physics - Phenomenology · Physics 2010-11-23 Harald Fritzsch , Zhi-zhong Xing

A constraint on the error of leptonic CP violation, which require the phase $\delta_{CP}$ to be less than $\pi/4$ for it to be distinguishable on a $2\pi$ cycle, is presented. Under this constraint, the effects of neutrino detector 's…

High Energy Physics - Phenomenology · Physics 2015-05-20 Kai Fu , Ying Zhang

Leptonic CP Violating Phase $ \delta_{CP} $ in the light neutrino sector and leptogenesis via present matter antimatter asymmetry of the Universe entails each other. Probing CP violation in light neutrino oscillation is one of the…

High Energy Physics - Phenomenology · Physics 2021-03-24 Gayatri Ghosh

Unitarity is a fundamental property of any theory required to ensure we work in a theoretically consistent framework. In comparison with the quark sector, experimental tests of unitarity for the 3x3 neutrino mixing matrix are considerably…

High Energy Physics - Phenomenology · Physics 2016-06-22 Stephen Parke , Mark Ross-Lonergan

We discuss the determination of the CKM parameters from the forthcoming $CP$ violation observables in $B_s \to K^+ K^-$ decays. Combining the information on mixing induced CP violation in $B_s \to K^+ K^-$, with the $B_d \to J/\psi K_s$…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Salim Safir

The current status of our knowledge of the 3-neutrino mixing parameters and of the CP violation in the lepton sector is summarised. The discrete symmetry approach to understanding the observed pattern of neutrino mixing and the related…

High Energy Physics - Phenomenology · Physics 2018-09-26 S. T. Petcov

We investigate, within the framework of three generations of neutrinos, the effects of CP violation in long-baseline neutrino oscillation experiments. We aim at illuminating the global feature of the interplay between genuine effect due to…

High Energy Physics - Phenomenology · Physics 2009-10-30 Hisakazu Minakata , Hiroshi Nunokawa

LHCb will collect large samples of Bd and Bs decays. Combining the CP-violating observables of the decays Bd-->pi+pi- and Bs-->K+K- it is possible to extract the gamma angle of the unitarity triangle. The selection of these decays within…

High Energy Physics - Phenomenology · Physics 2010-11-23 V. M. Vagnoni

We propose T-odd and CP-odd odd asymmetries in order to analyze the impact of CP violating phases in neutralino production and subsequent leptonic two-body decays. We present numerical results of these asymmetries and of the cross sections…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Kittel

A low-energy non-unitary leptonic mixing matrix is a generic effect of a large class of theories accounting for neutrino masses. It is shown how the extra CP-odd phases of a general non-unitary matrix allow for sizeable CP-asymmetries in…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Fernandez-Martinez , M. B. Gavela , J. Lopez-Pavon , O. Yasuda

Coupling the scale invariant unparticle sector to flavour physics and assuming that it remains scale invariant we investigate its consequences in heavy flavour physics. A drastic feature of unparticle physics is an unusual phase leading to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Roman Zwicky

We investigate the sensitivity with which two angles of the "flat" unitarity triangle, defined by $V_{ub}^* V_{us} + V_{cb}^* V_{cs} + V_{tb}^* V_{ts} =0$, can possibly be measured directly at FCCee. We show that the measured errors on the…

High Energy Physics - Phenomenology · Physics 2022-04-06 Roy Aleksan , L. Oliver , Emmanuel Perez