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Related papers: CP Violation in Neutrino Oscillations without Anti…

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We discuss to what extent future precision measurements of neutrino mixing observables will influence the information we can draw from a measurement of (or an improved limit on) neutrinoless double beta decay. Whereas the Delta m^2…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Choubey , W. Rodejohann

After reviewing the general framework to study EPR-like neutrino oscillations, we derive expressions for the oscillation probabilities and a direct measure of CP violation. We compare the possibility of studying CP violation in this case…

High Energy Physics - Phenomenology · Physics 2009-10-30 M K Samal

We examine the constraints on the MNS lepton mixing matrix from the present and future experimental data of the neutrino oscillation and lepton number violation processes. We introduce a graphical representation of the CP violation phases…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. Matsuda , N. Takeda , T. Fukuyama , H. Nishiura

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 illustrate the graphical method that gives the constraints on the parameters appearing in the neutrino oscillation experiments and the neutrinoless double beta decay. This method is applicable in three and four generations. Though this…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. Matsuda , N. Takeda , T. Fukuyama , H. Nishiura

We calculate the running of low-energy neutrino parameters from the bottom up, parameterizing the unknown seesaw parameters in terms of the dominance matrix $R$. We find significant running only if the $R$ matrix is non-trivial and the…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Andi Hektor , Mario Kadastik , Kristjan Kannike , Martti Raidal

We revisit correlations of neutrino oscillation parameters in reactor and long-baseline neutrino oscillation experiments. A framework based on an effective value of $\theta_{13}$ is presented, which can easily reproduce experimental…

High Energy Physics - Phenomenology · Physics 2018-04-25 Manfred Lindner , Werner Rodejohann , Xun-Jie Xu

In a recent work by us, we have studied, how CP violation discovery potential can be improved at long baseline neutrino experiments (LBNE/DUNE), by combining with its ND (near detector) and reactor experiments. In this work, we discuss how…

High Energy Physics - Phenomenology · Physics 2016-10-04 Kalpana Bora , Gayatri Ghosh , Debajyoti Dutta

We examine how large violation of CP and T is allowed in long base line neutrino experiments. When we attribute only the atmospheric neutrino anomaly to neutrino oscillation we may have large CP violation effect. When we attribute both the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Jiro Arafune , Joe Sato

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

The discovery of neutrino mixing and oscillations over the past decade provides firm evidence for new physics beyond the Standard Model. Recently, theta13 has been determined to be moderately large, quite close to its previous upper bound.…

High Energy Physics - Phenomenology · Physics 2014-01-21 Sanjib Kumar Agarwalla

One of the fundamental parameters entering neutrino oscillation framework is the leptonic CP phase $\delta_{13}$ and its measurement is an important goal of the planned long baseline experiments. It should be noted that ordinary matter…

High Energy Physics - Phenomenology · Physics 2017-05-03 Jogesh Rout , Mehedi Masud , Poonam Mehta

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on…

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

We analyze many aspects of the phenomenon of the decoherence for neutrinos propagating in long baseline experiments. We show that, in the presence of an off-diagonal term in the dissipative matrix, the Majorana neutrino can violate the CP T…

High Energy Physics - Phenomenology · Physics 2019-05-22 A. Capolupo , S. M. Giampaolo , G. Lambiase

Experiments on neutrino oscillations have uncovered several small parameters, $\theta_{13}$ being a prominent one. Others are the solar mass splitting {\em vis-\`{a}-vis} the atmospheric one and the deviation of $\theta_{23}$ from maximal…

High Energy Physics - Phenomenology · Physics 2015-05-27 Soumita Pramanick , Amitava Raychaudhuri

Till 2010 we had three unknown parameters of neutrino oscillation: the third mixing angle {\theta}_(13), the sign of the larger mass difference {\Delta}m^(2)_(31) and the CP violating phase {\delta}. Thanks to a number of consistent…

High Energy Physics - Phenomenology · Physics 2015-06-16 D. P. Roy

This article illustrates the possibility of investigating mass hierarchy and CP-violating phase \delta^{CP}, in the context of CP trajectory diagrams in the bi-probability plane. Separation between normal mass hierarchy (NH) and inverted…

High Energy Physics - Phenomenology · Physics 2016-06-13 Mandip Singh

The two kinds of indirect CP violation in neutral meson systems are related, in the absence of new weak phases in decay. The result is a model-independent expression relating CP violation in mixing, CP violation in the interference of…

High Energy Physics - Phenomenology · Physics 2009-11-05 Alexander L. Kagan , Michael D. Sokoloff

We present a systematic study of 400 combinations of the charged lepton and neutrino mass matrices with six vanishing entries or texture zeros. Only 24 of them, which can be classified into a few distinct categories, are found to be…

High Energy Physics - Phenomenology · Physics 2011-09-13 Shun Zhou , 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