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In this letter we present the study of the eightfold degeneracy in the $(\theta_{13},\delta)$ measurement including both appearance and disappearance channels. We analyse, for definiteness, the case of a standard low-$\gamma$ $\beta$-Beam…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. Donini , E. Fernandez-Martinez , S. Rigolin

One of the unknown parameters in neutrino oscillations is the octant of the mixing angle theta_{23}. In this paper, we discuss the possibility of determining the octant of theta_{23} in the long baseline experiments T2K and NOvA in…

High Energy Physics - Phenomenology · Physics 2013-07-11 Animesh Chatterjee , Pomita Ghoshal , Srubabati Goswami , Sushant K. Raut

Top quark pair decay events resulting in final states containing {\tau} leptons present interesting channels in the search for physics beyond the Standard Model. This document describes the in-progress analyses of two channels, {\tau}+jets…

High Energy Physics - Experiment · Physics 2011-09-28 Allison McCarn

This research continues to focus on the idea using cyclotronic antineutrino source for purposes of neutrino physics. Long baseline experiments suffer from degeneracies and correlations between $\Theta_{23}$, $\delta_{\rm CP}$ and the mass…

High Energy Physics - Phenomenology · Physics 2019-03-19 M. V. Smirnov , Zh. J. Hu , S. J. Li , J. J. Ling

We introduce a new method to search for the lepton-flavor violating Higgs decays $h\rightarrow\tau\mu$ and $h\rightarrow\tau e$ in the leptonic $\tau$ decay channel. In particular, the Standard Model background is estimated in a fully data…

High Energy Physics - Phenomenology · Physics 2014-07-30 Shikma Bressler , Avital Dery , Aielet Efrati

A search for pair production of third-generation scalar leptoquarks decaying to top quark and tau lepton pairs is presented using proton-proton collision data at a center-of-mass energy of sqrt(s) = 8 TeV collected with the CMS detector at…

High Energy Physics - Experiment · Physics 2016-11-22 CMS Collaboration

During the run III of the LHC, the forward experiments FASER$\nu$ and SND@LHC will be able to detect the Charged Current (CC) interactions of the high energy neutrinos of all three flavors produced at the ATLAS Interaction Point (IP). This…

High Energy Physics - Phenomenology · Physics 2022-07-13 Saeed Ansarifard , Yasaman Farzan

We discuss the optimization of a neutrino factory experiment for neutrino oscillation physics in terms of muon energy, baselines, and oscillation channels (gold, silver, platinum). In addition, we study the impact and requirements for…

High Energy Physics - Phenomenology · Physics 2014-11-18 P. Huber , M. Lindner , M. Rolinec , W. Winter

We study the measurement of the atmospheric neutrino oscillation parameters, $\theta_{23}$ and $\Delta m^2_{23}$, at the $\nu_\mu$ disappearance channel at three conventional beam facilities, the SPL, T2K-phase I and NO$\nu$A. These two…

High Energy Physics - Phenomenology · Physics 2009-07-29 A. Donini , E. Fernandez-Martinez , D. Meloni , S. Rigolin

We analyze the sensitivity of hadronic tau decays to non-standard interactions within the model-independent framework of the Standard Model Effective Field Theory (SMEFT). Both exclusive and inclusive decays are studied, using the latest…

High Energy Physics - Phenomenology · Physics 2019-06-14 Vincenzo Cirigliano , Adam Falkowski , Martín González-Alonso , Antonio Rodríguez-Sánchez

The presence of degeneracies can considerably worsen the measure of the neutrino oscillation parameters $\theta_{13}$ and $\delta$. We study the physics reach of a specific ``CERN'' setup, using a standard $\beta$-Beam and Super-Beam…

High Energy Physics - Phenomenology · Physics 2014-11-18 S. Rigolin

The measurement of the mixing angle \theta_{13}, sign of \Delta m^2_{13} and the CP or T violating phase \delta is fraught with ambiguities in neutrino oscillation. In this paper we give an analytic treatment of the paramater degeneracies…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hisakazu Minakata , Hiroshi Nunokawa , Stephen Parke

Most neutrino mass theories contain non-standard interactions (NSI) of neutrinos which can be either non-universal (NU) or flavor-changing (FC). We study the impact of such interactions on the determination of neutrino mixing parameters at…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Huber , T. Schwetz , J. W. F. Valle

We report on an updated sensitivity for proton decay via $p \rightarrow \bar{\nu} K^+ $ at large, dual phase liquid argon time projection chambers (LAr TPCs). Our work builds on a previous study in which several nucleon decay channels have…

High Energy Physics - Experiment · Physics 2021-04-30 Christoph Alt , Balint Radics , André Rubbia

We study how the eightfold-degeneracy in the ($\theta_{13},\delta$) plane observed in $\gamma \sim 100$ $\beta$-beams can be reduced by periodically changing the ions in the storage ring. This ``ions cocktail'' allows to change the neutrino…

High Energy Physics - Phenomenology · Physics 2008-04-17 E. Fernandez-Martinez

This paper describes the performance and sensitivity to neutrino mixing parameters of a Magnetised Iron Neutrino Detector (MIND) at a Neutrino Factory with a neutrino beam created from the decay of 10 GeV muons. Specifically, it is…

High Energy Physics - Experiment · Physics 2013-10-14 R. Bayes , A. Laing , F. J. P. Soler , A. Cervera Villanueva , J. J. Gómez Cadenas , P. Hernández , J. Martín-Albo , J. Burguet-Castell

We study how the eightfold-degeneracy in the ($\theta_{13},\delta$) plane observed in $\gamma \sim 100$ $\beta$-beams can be reduced by periodically changing the ions in the storage ring. This ``ions cocktail'' allows to change the neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Donini , E. Fernandez-Martinez

According to the recent results of the neutrino oscillation experiment MINOS, the neutrino mixing angle $\theta_{23}$ may not be maximal ($45^{\circ}$). Two nearly degenerate solutions are possible, one in the lower octant (LO) where…

High Energy Physics - Phenomenology · Physics 2017-03-14 C. R. Das , Jukka Maalampi , Joao Pulido , Sampsa Vihonen

Preliminary results of MINOS experiment indicate that theta23 is not maximal. Global fits to world neutrino data suggest two nearly degenerate solutions for theta23: one in the lower octant (LO: theta23 < 45 degree) and the other in the…

High Energy Physics - Phenomenology · Physics 2015-06-12 Sanjib Kumar Agarwalla , Suprabh Prakash , S. Uma Sankar

The OPERA experiment aims at measuring the \nu_{\mu} -> \nu_{\tau} oscillation through the \nu_{\tau} appearance in an almost pure \nu_{\mu} beam (CNGS). For the direct identification of the short-lived {\tau} lepton, produced in \nu_{\tau}…

Instrumentation and Detectors · Physics 2017-08-23 Fabio Pupilli