English
Related papers

Related papers: Constraining CPT violation with Hyper-Kamiokande a…

200 papers

Having a far detector in Korea for the J-PARC neutrino beam in addition to one at Kamioka has been shown to be a powerful way to lift neutrino parameter ($\Delta m^2$ and mixing angles) degeneracies. In this talk, I report the sensitivity…

High Energy Physics - Phenomenology · Physics 2008-01-29 N. Cipriano Ribeiro , T. Kajita , P. Ko , H. Minakata , S. Nakayama , H. Nunokawa

We examine the sensitivity of the ESSnuSB and DUNE long-baseline neutrino experiments to isotropic, CPT-violating Lorentz Invariance Violation (LIV). Using detailed simulations for the 360 km and 540 km ESSnuSB baselines and the 1300 km…

High Energy Physics - Phenomenology · Physics 2025-12-09 Himanshu Bora , Debajyoti Dutta , Abinash Medhi

We show that $CPT$ is in general violated in a non-quantum-mechanical way in the effective low-energy theory derived from string theory, as a result of apparent world-sheet charge non-conservation induced by stringy monopoles corresponding…

High Energy Physics - Theory · Physics 2009-09-11 J. Ellis , N. E. Mavromatos , D. V. Nanopoulos

The precise determination of the leptonic $CP$-phase is one of the major goals for future generation long Baseline experiments. On the other hand, if new physics beyond the Standard Model exists, a robust determination of such a $CP$-phase…

High Energy Physics - Phenomenology · Physics 2023-11-08 Luis A. Delgadillo , O. G. Miranda

The Tokai-to-Kamioka-and-Korea (T2KK) neutrino oscillation experiment under examination can have a high sensitivity to determine the neutrino mass hierarchy for a combination of relatively large (\sim 3.0^circ) off-axis angle beam at…

High Energy Physics - Phenomenology · Physics 2009-07-22 Kaoru Hagiwara , Naotoshi Okamura

The possible existence of light and heavy sterile neutrinos may give rise to direct and indirect unitarity violation of the $3\times3$ lepton mixing matrix respectively. In the current work we study the potential of future accelerator…

High Energy Physics - Phenomenology · Physics 2017-11-22 Jian Tang , Yibing Zhang , Yu-Feng Li

Discovering new neutrino interactions would represent evidence of physics beyond the Standard Model. We focus on new flavor-dependent long-range neutrino interactions mediated by ultra-light mediators, with masses below $10^{-10}$ eV,…

High Energy Physics - Phenomenology · Physics 2023-08-28 Masoom Singh , Mauricio Bustamante , Sanjib Kumar Agarwalla

Neutrinos can push our search for new physics to a whole new level. What makes them so hard to be detected, what allows them to travel humongous distances without being stopped or deflected allows to amplify Planck suppressed effects (or…

High Energy Physics - Phenomenology · Physics 2018-11-28 Gabriela Barenboim , Mehedi Masud , Christoph A. Ternes , Mariam Tórtola

Detection of parity (P) and time-reversal (T) symmetry-odd electric dipole moments (EDMs) within currently achievable resolution would evidence physics beyond the Standard Model of particle physics. Via the CPT-theorem, which includes…

High Energy Physics - Phenomenology · Physics 2024-09-24 Konstantin Gaul , Robert Berger

The proposed KAON factory at the Triumf Laboratory in Vancouver, Canada provides a unique opportunity for high statistics long baseline neutrino oscillation experiments. Several possibilities are under active consideration. In this paper we…

High Energy Physics - Phenomenology · Physics 2008-02-03 Scott Hayward , Martin Sevior , Nathan Weiss , Dennis Wright

The Non-Standard Interactions (NSIs) are subdominant effects, often appearing in various extensions of SM, which may impact the neutrino oscillations through matter. It is important and interesting to explore the impact of NSIs in the…

High Energy Physics - Phenomenology · Physics 2023-02-08 Abinash Medhi , Moon Moon Devi , Debajyoti Dutta

I review briefly various models and ways of Quantum-Gravity induced CPT violation, and discuss in some detail their phenomenology, in particular precision CPT tests in neutral mesons, and hydrogen/antihydrogen spectroscopy. As I shall…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nick E. Mavromatos

We make an analysis of the fake CPT-violating asymmetries between the survival probabilities of neutrinos and antineutrinos, induced by the terrestrial matter effects, in three different scenarios of long-baseline neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2011-09-06 Zhi-zhong Xing

Hyper-Kamiokande (Hyper-K) is a next-generation long baseline neutrino experiment. One of its primary physics goals is to measure neutrino oscillation parameters precisely, including the Dirac CP violating phase. As conventional $\nu_{\mu}$…

High Energy Physics - Experiment · Physics 2025-05-19 T. Mondal , N. W. Prouse , P. de Perio , M. Hartz , D. Bose

Precision measurement of the neutrino mixing parameters and the determination of mass hierarchy are the primary goals of the present and upcoming neutrino experiments. In this work, we study the sensitivity of T2K,NO$\nu$A and LBNE…

High Energy Physics - Phenomenology · Physics 2015-06-22 K. N. Deepthi , C. Soumya , R. Mohanta

Future long-baseline experiments will play an important role in exploring physics beyond the standard model. One such new physics concept is the large extra dimension (LED), which provides an elegant solution to the hierarchy problem. This…

High Energy Physics - Phenomenology · Physics 2023-12-15 Samiran Roy

While most of the results of the neutrino oscillation experiments can be accommodated within the standard paradigm of three active flavor, there are tantalizing hints of an light eV-scale sterile neutrino from anomalous results of a few…

High Energy Physics - Phenomenology · Physics 2025-03-12 Sabila Parveen , Kiran Sharma , Sudhanwa Patra , Poonam Mehta

The Deep Underground Neutrino Experiment (DUNE) together with the Long Baseline Neutrino Facility (LBNF) hosted at the Fermilab will provide a unique, world-leading program for the exploration of key questions at the forefront of neutrino…

Instrumentation and Detectors · Physics 2016-02-17 Yujing Sun , Jelena Maricic

The 6-year dataset of high-energy starting events (HESE) at IceCube indicates a spectrum of astrophysical neutrinos much softer than expected from the Fermi shock acceleration mechanism. On the other hand, IceCube's up-going muon neutrino…

High Energy Physics - Phenomenology · Physics 2018-02-27 Jiajun Liao , Danny Marfatia

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