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Supernova neutrinos can easily be detected by a spherical gaseous TPC detector measuring very low energy nuclear recoils. The expected rates are quite large for a neutron rich target since the neutrino nucleus neutral current interaction…

Astrophysics · Physics 2009-11-13 J. D. Vergados , Y. Giomataris

The neutrino mass hierarchy, presently unknown, is a powerful discriminator among various classes of unification theories. We show that the $\nu_{\mu} + \bar{\nu}_\mu$ survival rate in atmospheric events can provide a novel method of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Raj Gandhi , Pomita Ghoshal , Srubabati Goswami , Poonam Mehta , S Uma Sankar

We study in detail the sensitivity of neutrino oscillation probabilities to the fundamental neutrino parameters and their possible determination through experiments. The first part of the paper is devoted to the broad theme of isolating…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Indumathi , M. V. N. Murthy , G. Rajasekaran , Nita Sinha

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

We assess the potential of using presupernova neutrino signals at the Jiangmen Underground Neutrino Observatory (JUNO) to probe the yet-unknown neutrino mass hierarchy. Using models for stars of 12, 15, 20, and 25 solar masses, we find that…

High Energy Astrophysical Phenomena · Physics 2019-09-04 Gang Guo , Yong-Zhong Qian , Alexander Heger

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

We study electron-neutrino and electron-antineutrino signals from a supernova with strong magnetic field detected by a 100 kton liquid Ar detector. The change of neutrino flavors by resonant spin-flavor conversions, matter effects, and…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Takashi Yoshida , Akira Takamura , Keiichi Kimura , Shio Kawagoe , Toshitaka Kajino , Hidekazu Yokomakura

IceCube, a future km^3 antarctic ice Cherenkov neutrino telescope, is highly sensitive to a galactic supernova (SN) neutrino burst. The Cherenkov light corresponding to the total energy deposited by the SN neutrinos in the ice can be…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. S. Dighe , M. T. Keil , G. G. Raffelt

In this paper, we investigate whether it is possible to determine the neutrino mass hierarchy via a high-statistics and real-time observation of supernova neutrinos with short-time characteristics. The essential idea is to utilize distinct…

High Energy Physics - Phenomenology · Physics 2019-06-27 Junji Jia , Yaoguang Wang , Shun Zhou

The coherent contribution of all neutrons in neutrino nucleus scattering due to the neutral current offers a realistic prospect of detecting supernova neutrinos. As a matter of fact. for a typical supernova at 10 kpc, about 1000 events are…

High Energy Physics - Experiment · Physics 2009-11-11 Y. Giomataris , J. D. Vergados

Core-collapse supernovae emit of order $10^{58}$ neutrinos and antineutrinos of all flavors over several seconds, with average energies of 10--25 MeV. In the Sudbury Neutrino Observatory (SNO), a future Galactic supernova at a distance of…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. F. Beacom

The next supernova in our galaxy will be detected by a variety of neutrino detectors. In this lecture I discuss the set of observables needed to constrain the models of supernova neutrino emission. They are the flux normalizations, and…

Nuclear Theory · Physics 2009-11-07 P. Vogel

Neutrino oscillations in the Earth matter may introduce peculiar modulations in the supernova (SN) neutrino spectra. The detection of this effect has been proposed as diagnostic tool for the neutrino mass hierarchy at "large" 1-3 leptonic…

High Energy Physics - Phenomenology · Physics 2015-03-20 Enrico Borriello , Sovan Chakraborty , Alessandro Mirizzi , Pasquale Dario Serpico , Irene Tamborra

Neutrinos are guaranteed to be observable from the next galactic supernova (SN). Optical light and gravitational waves are also observable, but may be difficult to observe if the location of the SN in the galaxy or the details of the…

Future galactic supernovae will provide an extremely long baseline for studying the properties and interactions of neutrinos. In this paper, we discuss the possibility of using such an event to constrain (or discover) the effects of exotic…

High Energy Astrophysical Phenomena · Physics 2010-10-01 Chris Kelso , Dan Hooper

Dark matter detectors that utilize liquid xenon have now achieved tonne-scale targets, giving them sensitivity to all flavours of supernova neutrinos via coherent elastic neutrino-nucleus scattering. Considering for the first time a…

High Energy Astrophysical Phenomena · Physics 2016-12-21 Rafael F. Lang , Christopher McCabe , Shayne Reichard , Marco Selvi , Irene Tamborra

The next core-collapse supernova in our Galaxy will be a spectacular event, with some $10^4$ neutrino detections in total expected among several detectors. This data will allow unprecedented tests of neutrino properties and new…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. F. Beacom

We have simulated the response of a high energy neutrino telescope to the stream of low energy neutrinos produced by a supernova. The nominal threshold of such detectors is in the GeV energy range. The passage of a large flux of MeV…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Halzen , J. E. Jacobsen , E. Zas

While existing detectors would see a burst of many neutrinos from a Milky Way supernova, the supernova rate is only a few per century. As an alternative, we propose the detection of ~ 1 neutrino per supernova from galaxies within 10 Mpc, in…

Astrophysics · Physics 2009-11-10 Shin'ichiro Ando , John F. Beacom , Hasan Yuksel

The strange quark contribution to proton's spin ($\Delta s$) is a fundamental quantity that is poorly determined from current experiments. Neutrino-proton elastic scattering (pES) is a promising channel to measure this quantity, and…

High Energy Physics - Phenomenology · Physics 2022-11-17 Bhavesh Chauhan