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Related papers: On detecting CP violation in a single neutrino osc…

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With the Deep Underground Neutrino Experiment (DUNE) as an example, we show that the presence of even one sterile neutrino of mass $\sim$1 eV can significantly impact the measurements of CP violation in long baseline experiments. Using a…

High Energy Physics - Phenomenology · Physics 2015-11-12 Raj Gandhi , Boris Kayser , Mehedi Masud , Suprabh Prakash

It is proposed to complement the ESS proton linac with equipment that would enable the production, concurrently with the production of the planned ESS beam used for neutron production, of a 5 MW beam of 10$^{23}$ 2.5 GeV protons per year in…

High Energy Physics - Experiment · Physics 2013-02-12 E. Baussan , M. Dracos , T. Ekelof , E. Fernandez Martinez , H. Ohman , N. Vassilopoulos

Light sterile neutrino oscillations can be partially or completely washed out at short-baseline experiments due to the breaking of neutrino production coherence. In this work we address this issue in sterile searches at $\nu$STORM, an…

High Energy Physics - Phenomenology · Physics 2017-05-26 Peter Ballett , Matheus Hostert , Silvia Pascoli

In the framework of three generations, we consider the CP violation in neutrino oscillation with matter effects. At first, we show that the non-perturbative effects of two small parameters, \Delta m_{21}^2/\Delta m_{31}^2 and \sin…

High Energy Physics - Phenomenology · Physics 2009-11-11 Akira Takamura , Keiichi Kimura

The latest experimental progress have established three kinds of neutrino oscillations with three mixing angles measured to rather high precision. There is still one parameter, i.e., the CP violating phase, missing in the neutrino mixing…

High Energy Physics - Phenomenology · Physics 2012-06-22 Xinyi Zhang , Bo-Qiang Ma

In this work, we have explored the possibilities of improving CP violation discovery potential of newly planned Long-Baseline Neutrino Experiment (LBNE), U.S.A., by combining with data from reactors. The third mixing angle $\theta_{13}$ is…

High Energy Physics - Phenomenology · Physics 2015-05-28 Debajyoti Dutta , Kalpana Bora

If the value of $\theta_{13}$ is within the reach of the upcoming generation of long-baseline experiments, T2K and NO$\nu$A, we show that a low-energy neutrino factory, with peak energy in the few GeV range, would provide a sensitive tool…

High Energy Physics - Phenomenology · Physics 2008-11-26 Steve Geer , Olga Mena , Silvia Pascoli

We propose a statistical formulation to estimate possible errors in long baseline neutrino oscillation experiments caused by uncertainties in the Earth matter density. A quantitative investigation of the effect is made on the CP asymmetry…

High Energy Physics - Phenomenology · Physics 2014-11-17 Lian-You Shan , Bing-Lin Young , Xinmin Zhang

In neutrino oscillation with non-standard interactions (NSI) the system is enriched with CP violation caused by phases due to NSI in addition to the standard lepton Kobayashi-Maskawa phase \delta. In this paper we show that it is possible…

High Energy Physics - Phenomenology · Physics 2010-01-22 A. M. Gago , H. Minakata , H. Nunokawa , S. Uchinami , R. Zukanovich Funchal

We discuss how and to what extent one can determine the neutrino mass hierarchy, normal or inverted, and at the same time uncover CP violation in the lepton sector by using two identical detectors with different baselines in neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-11 Masaki Ishitsuka , Takaaki Kajita , Hisakazu Minakata , Hiroshi Nunokawa

We discuss the prospects of observing leptonic CP-violation at a neutrino factory in the context of the standard three neutrino scenario. If the large mixing angle MSW effect turned out to account for the solar neutrino deficit, we show…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andrea Romanino

We review the basic mechanisms of neutrino mass generation and the corresponding structure of the lepton mixing matrix. We summarize the status of three-neutrino oscillation parameters as determined from current observations, using…

High Energy Physics - Phenomenology · Physics 2009-11-13 Hiroshi Nunokawa , Stephen Parke , Jose W. F. Valle

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

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 , -

If massive neutrinos are Majorana particles, then the lepton number should be violated and neutrino-antineutrino oscillations will take place. In this talk, we present the properties of CP violation in neutrino-antineutrino oscillations…

High Energy Physics - Phenomenology · Physics 2022-09-12 Yilin Wang , Shun Zhou

Measurements of flavor ratios of astrophysical neutrino fluxes are sensitive to the two yet unknown mixing parameters $\theta_{13}$ and $\delta$ through the combination $\sin\theta_{13}\cos\delta$. We extend previous studies by considering…

High Energy Physics - Phenomenology · Physics 2007-07-03 Kfir Blum , Yosef Nir , Eli Waxman

Using $\Delta\chi^2$ which is defined by the difference of the number of events with the CP phase $\delta$ and the hypothetical one with $\delta=0$, we discuss correlations of errors of the CP phase and other oscillation parameters as well…

High Energy Physics - Phenomenology · Physics 2014-11-17 John Pinney , Osamu Yasuda

The evolution equation for active and sterile neutrinos propagating in general anisotropic or polarized background environment is found and solved for a special case when heavy neutrinos do not decouple, resulting in non-unitary mixing…

High Energy Physics - Phenomenology · Physics 2009-11-07 B. Bekman , J. Gluza , J. Holeczek , J. Syska , M. Zralek

In the present work, we have considered minimal unitarity violation(MUV) scheme, to obtain the general expression for $\nu_{\mu}\rightarrow\nu_{\tau}$ oscillation probability, in vacuum. For this channel, we have investigated the…

High Energy Physics - Phenomenology · Physics 2016-09-22 Surender Verma , Shankita Bhardwaj

We investigate effects of non-zero Dirac and Majorana CP violating phases on neutrino-antineutrino oscillations in a magnetic field of astrophysical environments. It is shown that in the presence of strong magnetic fields and dense matter,…

High Energy Physics - Phenomenology · Physics 2021-06-30 Artem Popov , Alexander Studenikin
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