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Related papers: Mass hierarchy determination using atmospheric neu…

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We examine the possibility of determining the neutrino mass hierarchy in the limit \theta_{13} = 0 using atmospheric neutrinos as the source. In this limit, in which \theta_{13} driven matter effects are absent, independent measurements of…

High Energy Physics - Phenomenology · Physics 2014-11-18 Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , S Uma Sankar

The recent discovery by the Daya-Bay and RENO experiments, that \theta_{13} is nonzero and relatively large, significantly impacts existing experiments and the planning of future facilities. In many scenarios, the nonzero value of…

High Energy Physics - Phenomenology · Physics 2012-09-05 Vernon Barger , Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , Danny Marfatia , Suprabh Prakash , Sushant K. Raut , S. Uma Sankar

We show that the measurements of 10 GeV atmospheric neutrinos by an upcoming array of densely packed phototubes buried deep inside the IceCube detector at the South Pole can be used to determine the neutrino mass hierarchy for values of…

High Energy Physics - Phenomenology · Physics 2008-11-11 Olga Mena , Irina Mocioiu , Soebur Razzaque

We update our study of neutrino mass hierarchy determination using a high statistics reactor electron anti-neutrino experiment in the light of the recent evidences of a relatively large non-zero value of \theta_{13} from the Daya Bay and…

High Energy Physics - Phenomenology · Physics 2015-06-11 Pomita Ghoshal , S. T. Petcov

Physics potential of future measurements of atmospheric neutrinos is explored. Observation of $\Delta m^2_{21}$ driven sub-dominant effects and $\theta_{13}$ driven large matter effects in atmospheric neutrinos can be used to study the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sandhya Choubey

We explore the potential offered by large-mass Liquid Argon detectors for determination of the sign of Delta m_{31}^2, or the neutrino mass hierarchy, through interactions of atmospheric neutrinos. We give results for a 100 kT sized…

High Energy Physics - Phenomenology · Physics 2008-11-26 Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , S Uma Sankar

We have studied the mass hierarchy with atmospheric neutrinos considering the muon energy and zenith angle of the event at the magnetized iron calorimeter detector. For $\chi^2$ analysis we have migrated the number of events from neutrino…

High Energy Physics - Phenomenology · Physics 2010-02-22 Abhijit Samanta

We describe a method for determining the hierarchy of the neutrino mass spectrum and theta_13 through remote detection of antineutrinos from a nuclear reactor. This method utilizing a single, 10-kt scintillating liquid detector at a…

High Energy Physics - Experiment · Physics 2008-11-26 John Learned , Steve Dye , Sandip Pakvasa , Robert Svoboda

The possibility to determine the type of neutrino mass hierarchy by studying atmospheric neutrino oscillations with a detector capable to distinguish between neutrino and antineutrino events, such as magnetized iron calorimeters, is…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. T. Petcov , T. Schwetz

Large mass ice/water Cherenkov experiments, optimized to detect low energy (1-20 GeV) atmospheric neutrinos, have the potential to discriminate between normal and inverted neutrino mass hierarchies. The sensitivity depends on several model…

High Energy Physics - Experiment · Physics 2015-06-12 D. Franco , C. Jollet , A. Kouchner , V. Kulikovskiy , A. Meregaglia , S. Perasso , T. Pradier , A. Tonazzo , V. Van Elewyck

This paper has been withdrawn due to the use of some incorrect neutrino parameter space ranges.

High Energy Physics - Phenomenology · Physics 2007-05-23 Tanvir Rahman

We study the problem of determination of the sign of Delta m^2_{31}, or the neutrino mass hierarchy, through observations of atmospheric neutrinos in future detectors. We consider two proposed detector types : (a) Megaton sized water…

High Energy Physics - Phenomenology · Physics 2008-11-26 Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , Poonam Mehta , S Uma Sankar , Shashank Shalgar

The neutrino mass hierarchy, i.e., whether the $\nu_3$ neutrino mass eigenstate is heavier or lighter than the $\nu_1$ and $\nu_2$ mass eigenstates, is one of the remaining undetermined fundamental features of the neutrino Standard Model.…

High Energy Physics - Experiment · Physics 2015-07-01 X. Qian , P. Vogel

We show that for long-baseline experiments using a Mt water Cerenkov detector atmospheric neutrino data provide a powerful method to resolve parameter degeneracies. In particular, the combination of long-baseline and atmospheric data…

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas Schwetz

We introduce three right-handed Majorana neutrinos and combine the type-I seesaw and inert doublet mechanisms. The resultant (active) neutrino mass matrix is divided into rank=1 and =2 parts with different energy scales. The different…

High Energy Physics - Phenomenology · Physics 2015-05-27 Takeshi Araki

We show that by combining high precision measurements of the atmospheric delta m^2 in both the electron and muon neutrino (or anti-neutrino) disappearance channels one can determine the neutrino mass hierarchy. The required precision is a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hiroshi Nunokawa , Stephen Parke , Renata Zukanovich Funchal

We present a model of neutrino masses combining the seesaw mechanism and strong Dirac mass hierarchy and at the same time exhibiting a significantly reduced hierarchy at the level of active neutrino masses. The heavy Majorana masses are…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Jezabek , P. Urban

We show how one could determine the neutrino mass hierarchy with Mossbauer neutrinos and also revisit the question of whether the hierarchy can be determined with reactor neutrinos.

High Energy Physics - Phenomenology · Physics 2009-04-17 Stephen Parke , Hisakazu Minakata , Hiroshi Nunokawa , Renata Zukanovich Funchal

The paper has been withdrawn

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Machet

This paper has been withdrawn by the author, due to errors in the figures.

High Energy Physics - Phenomenology · Physics 2010-03-17 Shao-Hsuan Chiu
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