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Related papers: CP violation in neutrino-photon scattering

200 papers

Small neutrino masses confirmed in the neutrino oscillation experiments indicate the need for new physics beyond the standard model. Seesaw mechanism is an interesting way to extend the standard model for explaining the neutrino masses. In…

High Energy Physics - Phenomenology · Physics 2023-11-28 Zhe Wang , Xing-Hua Yang , Xin-Yi Zhang

CP-violation in the loop-mediated photon-photon interactions would modify the birefringence of the quantum vacuum. We discuss the implications of this effect on the PVLAS-Phase II experiment, in which a time-dependent magnetic field is…

High Energy Physics - Phenomenology · Physics 2010-04-30 R. Millo , P. Faccioli

CP violation in the lepton mass matrix will be probed with good precision in upcoming experiments. The amount of CP violation present in oscillations can be quantified in numerous ways and is typically parameterized by the complex phase…

High Energy Physics - Phenomenology · Physics 2021-05-20 Peter B. Denton , Rebekah Pestes

A general introduction to Lorentz and CPT violation is presented. The observable effects of the breakdown of such fundamental symmetries in neutrinos are outlined and different experimental searches of some of the key signals of Lorentz…

High Energy Physics - Phenomenology · Physics 2011-09-22 Jorge S. Diaz

The enhancements of CP-violating effects in resonance neutron transmissionthrough polarized targets are studied for 2 possible versions of experiment. The importance is stressed of error analysis and of pseudomagnetic effects' compensation.

Nuclear Theory · Physics 2009-10-31 V. Bunakov , Y. Novikov

Within the framework of three lepton families we have derived an exact and compact formula to describe the matter effect on neutrino mixing and CP violation. This model- and parametrization-independent result can be particularly useful for…

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

We examine the possibility of detecting effects of leptonic CP violation by precise measurement of the solar neutrinos within the framework of standard electroweak theory minimally extended to include neutrino masses and mixing. We prove a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hisakazu Minakata , Shinji Watanabe

The CP asymmetry in neutrino oscillations, assuming new physics at production and/or detection processes, is analyzed. We compute this CP asymmetry using the standard quantum field theory within a general new physics scenario that may…

High Energy Physics - Phenomenology · Physics 2010-04-14 David Delepine , Vannia Gonzalez Macias , Shaaban Khalil , Gabriel Lopez Castro

We present an explicit computation of the CP asymmetry in scattering processes involving the heavy right-handed neutrinos of the type I seesaw framework and the Standard Model gauge bosons. Compared to CP violation in two--body decays and…

High Energy Physics - Phenomenology · Physics 2011-03-07 Chee Sheng Fong , M. C. Gonzalez-Garcia , J. Racker

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

Loop corrections for physics beyond the Standard Model are computed. DWe discuss the influence of new physics on CP-violating observables. Assuming the standard model gives a correct description of tree level processes, we show how a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Daniel Wyler

In this paper, we analyze the scattering of the neutrino beam on the polarized electron target, and predict the effects of two theoretically possible scenarios beyond the Standard Model. In both scenarios, Dirac neutrinos are assumed to be…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Ciechanowicz , M. Misiaszek , W. Sobkow

Parity violating electron nucleus scattering is a clean and powerful tool for measuring the spatial distributions of neutrons in nuclei with unprecedented accuracy. Parity violation arises from the interference of electromagnetic and weak…

Nuclear Theory · Physics 2014-11-18 C. J. Horowitz , S. J. Pollock , P. A. Souder , R. Michaels

A model independent study of non-Standard Model CP-violating processes is presented with emphasis on the observability of the effects.

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

In this talk we discuss the possibility to measure CP violation in neutrino oscillation experiments using the neutrino beam with energy which is lower (E_\nu \gsim 100 MeV) than the one usually considered (typically > 1 GeV) in accelerator…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hisakazu Minakata , Hiroshi Nunokawa

Recent highlights in CP violation phenomena are reviewed. B-factory results imply that CP-violation phase in the CKM matrix is the dominant contributor to the observed CP violation in K and B-physics. Deviations from the predictions of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Amarjit Soni

If observed, charged lepton flavour violation is a clear sign of new physics - beyond the Standard Model minimally extended to accommodate neutrino oscillation data. After a brief review of several charged lepton flavour violation…

High Energy Physics - Phenomenology · Physics 2016-12-20 Ana M. Teixeira

The existence of CP-violation in the leptonic sector is one of the most important issues for modern science. Neutrino physics is a key to the solution of this problem. JUNO (under construction) is the near future of neutrino physics.…

High Energy Physics - Phenomenology · Physics 2018-08-14 Mikhail Smirnov , Zhuojun Hu , Shuaijie Li , Jiajie Ling

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

The observation of a sizable CP asymmetry in the inclusive decays B -> Xs gamma would be a clean signal of New Physics. In the Standard Model, this asymmetry is below 1 % in magnitude. In extensions of the Standard Model with new…

High Energy Physics - Phenomenology · Physics 2009-10-31 Matthias Neubert