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Related papers: Vector leptoquark $U_3$ and CP violation at T2K, N…

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Neutrino non-standard interactions (NSI), previously introduced for the sun, are studied in the supernova context. For normal hierarchy the probability for electron neutrinos and antineutrinos at low energy ($E\lesssim 0.8-0.9 MeV$) is…

High Energy Physics - Phenomenology · Physics 2013-04-10 C. R. Das , Joao Pulido

Neutrino oscillation experiments are known to be sensitive to Non-Standard Interactions (NSIs). We extend the NSI formalism to include one-loop effects. We discuss universal effects induced by corrections to the tree level W exchange, as…

High Energy Physics - Phenomenology · Physics 2015-05-20 Brando Bellazzini , Yuval Grossman , Itay Nachshon , Paride Paradisi

We analyze the possibility of probing non-standard neutrino interactions (NSI, for short) through the detection of neutrinos produced in a future galactic supernova (SN).We consider the effect of NSI on the neutrino propagation through the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Esteban-Pretel , R. Tomàs , J. W. F. Valle

Within low-scale seesaw mechanisms, such as the inverse and linear seesaw, one expects (i) potentially large lepton flavor violation (LFV) and (ii) sizeable non-standard neutrino interactions (NSI). We consider the interplay between the…

High Energy Physics - Phenomenology · Physics 2015-05-30 D. V. Forero , S. Morisi , M. Tortola , J. W. F. Valle

The impact of heavy mediators on neutrino oscillations is typically described by non-standard four-fermion interactions (NSIs) or non-unitarity (NU). We focus on leptonic dimension-six effective operators which do not produce charged lepton…

High Energy Physics - Phenomenology · Physics 2012-07-13 Davide Meloni , Tommy Ohlsson , Walter Winter , He Zhang

Oscillations of the Dirac neutrinos of three generations in vacuum are considered with allowance made for the effect of the CP-violating leptonic phase (analogue of the quark CP phase) in the lepton mixing matrix. The general formulas for…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. A. Ryzhikh , K. A. Ter-Martirosyan

We discuss ways to explore non-standard interactions (NSI) which neutrinos may possess by expressing them as effective four Fermi operators with coefficient of the order of (M_{W} / M_{NP})^2 ~0.01 (0.0001) for energy scales of new physics…

High Energy Physics - Phenomenology · Physics 2008-05-19 Hisakazu Minakata

Neutrino-electron scatterings are purely leptonic processes with robust Standard Model (SM) predictions. Their measurements can therefore provide constraints to physics beyond SM. The $\nuebar$-e data taken at the Kuo-Sheng Reactor Neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-21 M. Deniz er al. , TEXONO Collaboration

To measure the last unknown $3\nu$ oscillation parameter ($\delta$), several long baseline neutrino experiments have been designed or proposed. Recently it has been shown that turning on neutral current Non-Standard Interactions (NSI) of…

High Energy Physics - Phenomenology · Physics 2016-12-08 Pouya Bakhti , Yasaman Farzan

Non-standard neutrino-nucleon interaction is formulated and explored within the energy range of quasi-elastic scattering. In particular, the study focuses on the neutral-current elastic (anti)neutrino scattering off nucleons described by…

High Energy Physics - Phenomenology · Physics 2016-12-28 D. K. Papoulias , T. S. Kosmas

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

One of the primary objectives of Deep Underground Neutrino Experiment (DUNE) is to discover the leptonic CP violation and to identify it's source. In this context, we study the impact of non-standard neutrino interactions (NSIs) on…

High Energy Physics - Phenomenology · Physics 2018-10-17 K. N. Deepthi , Srubabati Goswami , Newton Nath

We study the impact of the positivity of the measure of CP violation in neutrino oscillations on the values of |V_e3| and |V_mu1|. We use the available information on the solar and atmospheric mixing parameters |V_e2| and |V_mu3| provided…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Couture , C. Hamzaoui , A. M. Lussier

In this paper we investigate impacts of non-standard neutrino interactions (NSIs) to the limitations on the discovery potential of dark matter in direct detection experiments. New neutrino floors are derived taking into account current…

High Energy Physics - Phenomenology · Physics 2019-08-14 Wei Chao , Jian-guo Jiang , Xuan Wang , Xing-yu Zhang

Neutrinos are the fundamental particles, blind to all kind of interactions except the weak and gravitational. Hence, they can propagate very long distances without any deviation. This characteristic property can thus provide an ideal…

High Energy Physics - Phenomenology · Physics 2020-05-20 Rudra Majhi , Soumya C , Rukmani Mohanta

In this article, we review the status of the tension between the long-baseline accelerator neutrino experiments T2K and NO$\nu$A. The tension arises mostly due to the mismatch in the appearance data of the two experiments. We explain how…

High Energy Physics - Phenomenology · Physics 2022-02-11 Ushak Rahaman , Soebur Razzaque , S. Uma Sankar

One of the main purposes of long-baseline neutrino experiments is to unambiguously measure the CP violating phase in the neutrino sector within the three neutrino oscillation picture. In the presence of physics beyond the Standard Model,…

High Energy Physics - Phenomenology · Physics 2018-08-29 L. J. Flores , E. A. Garcés , O. G. Miranda

The two long-baseline experiments T2K and NO$\nu$A have recently presented new findings. T2K has shown the first $\bar \nu_e$ appearance data while NO$\nu$A has released the first $\nu_e$ appearance results. These data are of particular…

High Energy Physics - Phenomenology · Physics 2016-05-04 Antonio Palazzo

If the flavor dependent non-standard interactions (NSI) in neutrino propagation exist, then the matter effect is modified and the modification is parametrized by the dimensionless parameter $\epsilon_{\alpha\beta}~(\alpha,\beta=e, \mu,…

High Energy Physics - Phenomenology · Physics 2017-03-15 Shinya Fukasawa , Monojit Ghosh , Osamu Yasuda

As limits improve on the neutrino mixing angles and mass-squared differences, the focus of T2K has shifted towards studying antineutrino oscillation. This will give an insight into CP violation (if P($\bar{\nu}_{\mu} \rightarrow…

High Energy Physics - Experiment · Physics 2016-05-06 Kirsty Duffy