English
Related papers

Related papers: Hints of theta_13>0 from global neutrino data anal…

200 papers

We study the link between neutrino oscillations and leptogenesis in the minimal framework assuming an SO(10) see-saw mechanism with 3 families. Dirac neutrino masses being fixed, the solar and atmospheric data then generically induce a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Emmanuel Nezri , Jean Orloff

The Cervera et al. formula, the best known approximate formula of neutrino oscillation probability for long-baseline experiments, can be regarded as a second-order perturbative formula with small expansion parameter epsilon \equiv Delta…

High Energy Physics - Phenomenology · Physics 2015-03-19 Katsuhiro Asano , Hisakazu Minakata

A very long baseline experiment, with $L/E$ of $1.6 \times 10^4$ m/MeV, has been proposed as the ideal means to measure $\theta_{13}$, including its sign, for neutrino energies less than 50 MeV. Higher energies require consideration of the…

Nuclear Theory · Physics 2009-11-11 D. C. Latimer , D. J. Ernst

We have previously shown that the decay of high-energy neutrinos from distant astrophysical sources would be revealed by flavor ratios that deviate strongly from the $\phi_{\nu_e}:\phi_{\nu_\mu}:\phi_{\nu_\tau} = 1:1:1$ expected from…

High Energy Physics - Phenomenology · Physics 2008-11-26 John F. Beacom , Nicole F. Bell , Dan Hooper , Sandip Pakvasa , Thomas J. Weiler

From recent groundbreaking experiments, it is now known that the Pontecorvo-Maki-Nakagawa-Sakata mixing differs significantly from the tribimaximal model in which theta_13=0 and theta_23=pi/4. Flavor symmetry can require that the departures…

High Energy Physics - Phenomenology · Physics 2013-01-17 David A. Eby , Paul H. Frampton

We present a new realization of inverted neutrino mass hierarchy based on $S_3 \times {\cal U}(1)$ flavor symmetry. In this scenario, the deviation of the solar oscillation angle from $\pi/4$ is correlated with the value of $\theta_{13}$,…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. S. Babu , Abdel G. Bachri , Zurab Tavartkiladze

The neutrino mixing sum rule $\theta_{12} - \theta_{13}\cos(\delta) \approx \theta^\nu_{12}$ provides a possibility to explore the structure of the neutrino mass matrix in the presence of charged lepton corrections, since it relates the 1-2…

High Energy Physics - Phenomenology · Physics 2010-10-27 S. Antusch , P. Huber , S. F. King , T. Schwetz

New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter theta_{23}. Using an off-axis neutrino beam with a peak energy of 0.6 GeV and a data set corresponding to 6.57 x…

High Energy Physics - Experiment · Physics 2014-05-12 T2K Collaboration , K. Abe , J. Adam , H. Aihara , T. Akiri , C. Andreopoulos , S. Aoki , A. Ariga , T. Ariga , S. Assylbekov , D. Autiero , M. Barbi , G. J. Barker , G. Barr , M. Bass , M. Batkiewicz , F. Bay , S. W. Bentham , V. Berardi , B. E. Berger , S. Berkman , I. Bertram , S. Bhadra , F. d. M. Blaszczyk , A. Blondel , C. Bojechko , S. Bordoni , S. B. Boyd , D. Brailsford , A. Bravar , C. Bronner , N. Buchanan , R. G. Calland , J. Caravaca Rodríguez , S. L. Cartwright , R. Castillo , M. G. Catanesi , A. Cervera , D. Cherdack , G. Christodoulou , A. Clifton , J. Coleman , S. J. Coleman , G. Collazuol , K. Connolly , L. Cremonesi , A. Dabrowska , I. Danko , R. Das , S. Davis , P. de Perio , G. De Rosa , T. Dealtry , S. R. Dennis , C. Densham , F. Di Lodovico , S. Di Luise , O. Drapier , T. Duboyski , K. Duffy , F. Dufour , J. Dumarchez , S. Dytman , M. Dziewiecki , S. Emery , A. Ereditato , L. Escudero , A. J. Finch , L. Floetotto , M. Friend , Y. Fujii , Y. Fukuda , A. P. Furmanski , V. Galymov , S. Giffin , C. Giganti , K. Gilje , D. Goeldi , T. Golan , M. Gonin , N. Grant , D. Gudin , D. R. Hadley , A. Haesler , M. D. Haigh , P. Hamilton , D. Hansen , T. Hara , M. Hartz , T. Hasegawa , N. C. Hastings , Y. Hayato , C. Hearty , R. L. Helmer , M. Hierholzer , J. Hignight , A. Hillairet , A. Himmel , T. Hiraki , S. Hirota , J. Holeczek , S. Horikawa , K. Huang , A. K. Ichikawa , K. Ieki , M. Ieva , M. Ikeda , J. Imber , J. Insler , T. J. Irvine , T. Ishida , T. Ishii , S. J. Ives , E. Iwai , K. Iyogi , A. Izmaylov , A. Jacob , B. Jamieson , R. A. Johnson , J. H. Jo , P. Jonsson , C. K. Jung , M. Kabirnezhad , A. C. Kaboth , T. Kajita , H. Kakuno , J. Kameda , Y. Kanazawa , D. Karlen , I. Karpikov , E. Kearns , M. Khabibullin , A. Khotjantsev , D. Kielczewska , T. Kikawa , A. Kilinski , J. Kim , J. Kisiel , P. Kitching , T. Kobayashi , L. Koch , A. Kolaceke , A. Konaka , L. L. Kormos , A. Korzenev , K. Koseki , Y. Koshio , I. Kreslo , W. Kropp , H. Kubo , Y. Kudenko , S. Kumaratunga , R. Kurjata , T. Kutter , J. Lagoda , K. Laihem , I. Lamont , M. Laveder , M. Lawe , M. Lazos , K. P. Lee , T. Lindner , C. Lister , R. P. Litchfield , A. Longhin , L. Ludovici , M. Macaire , L. Magaletti , K. Mahn , M. Malek , S. Manly , A. D. Marino , J. Marteau , J. F. Martin , T. Maruyama , J. Marzec , E. L. Mathie , V. Matveev , K. Mavrokoridis , E. Mazzucato , M. McCarthy , N. McCauley , K. S. McFarland , C. McGrew , C. Metelko , M. Mezzetto , P. Mijakowski , C. A. Miller , A. Minamino , O. Mineev , S. Mine , A. Missert , M. Miura , L. Monfregola , S. Moriyama , Th. A. Mueller , A. Murakami , M. Murdoch , S. Murphy , J. Myslik , T. Nagasaki , T. Nakadaira , M. Nakahata , T. Nakai , K. Nakamura , S. Nakayama , T. Nakaya , K. Nakayoshi , D. Naples , C. Nielsen , M. Nirkko , K. Nishikawa , Y. Nishimura , H. M. O'Keeffe , R. Ohta , K. Okumura , T. Okusawa , W. Oryszczak , S. M. Oser , R. A. Owen , Y. Oyama , V. Palladino , J. Palomino , V. Paolone , D. Payne , O. Perevozchikov , J. D. Perkin , Y. Petrov , L. Pickard , E. S. Pinzon Guerra , C. Pistillo , P. Plonski , E. Poplawska , B. Popov , M. Posiadala , J. -M. Poutissou , R. Poutissou , P. Przewlocki , B. Quilain , E. Radicioni , P. N. Ratoff , M. Ravonel , M. A. M. Rayner , A. Redij , M. Reeves , E. Reinherz-Aronis , F. Retiere , A. Robert , P. A. Rodrigues , P. Rojas , E. Rondio , S. Roth , A. Rubbia , D. Ruterbories , R. Sacco , K. Sakashita , F. Sánchez , F. Sato , E. Scantamburlo , K. Scholberg , S. Schoppmann , J. Schwehr , M. Scott , Y. Seiya , T. Sekiguchi , H. Sekiya , D. Sgalaberna , M. Shiozawa , S. Short , Y. Shustrov , P. Sinclair , B. Smith , R. J. Smith , M. Smy , J. T. Sobczyk , H. Sobel , M. Sorel , L. Southwell , P. Stamoulis , J. Steinmann , B. Still , Y. Suda , A. Suzuki , K. Suzuki , S. Y. Suzuki , Y. Suzuki , T. Szeglowski , R. Tacik , M. Tada , S. Takahashi , A. Takeda , Y. Takeuchi , H. K. Tanaka , H. A. Tanaka , M. M. Tanaka , D. Terhorst , R. Terri , L. F. Thompson , A. Thorley , S. Tobayama , W. Toki , T. Tomura , Y. Totsuka , C. Touramanis , T. Tsukamoto , M. Tzanov , Y. Uchida , K. Ueno , A. Vacheret , M. Vagins , G. Vasseur , T. Wachala , A. V. Waldron , C. W. Walter , D. Wark , M. O. Wascko , A. Weber , R. Wendell , R. J. Wilkes , M. J. Wilking , C. Wilkinson , Z. Williamson , J. R. Wilson , R. J. Wilson , T. Wongjirad , Y. Yamada , K. Yamamoto , C. Yanagisawa , S. Yen , N. Yershov , M. Yokoyama , T. Yuan , M. Yu , A. Zalewska , J. Zalipska , L. Zambelli , K. Zaremba , M. Ziembicki , E. D. Zimmerman , M. Zito , J. Zmuda

I discuss the theoretical background and the status of neutrino oscillation parameters from the current worlds' global data sample and latest flux calculations. I give their allowed ranges, best fit values and discuss the small parameters…

High Energy Physics - Phenomenology · Physics 2009-09-17 J. W. F. Valle

Daya Bay Neutrino Experiment is dedicated to measuring the last unobserved neutrino mixing angle theta_13. The predicted precision on sin^2(2theta_13) is 0.01 at 90% confidence level. This document briefly reviews the measurement method and…

Instrumentation and Detectors · Physics 2011-09-23 Zhe Wang

The data on neutrino mixing are at present compatible with Tri-Bimaximal (TB) mixing. If one takes this indication seriously then the models that lead to TB mixing in first approximation are particularly interesting and A4 models are…

High Energy Physics - Phenomenology · Physics 2009-05-15 Guido Altarelli

This paper discusses recent results and near-term prospects of the long-baseline neutrino experiments MINOS, MINOS+, T2K and NOvA. The non-zero value of the third neutrino mixing angle {\theta}13 allows experimental analysis in a manner…

High Energy Physics - Experiment · Physics 2016-02-17 Tsuyoshi Nakaya , Robert K. Plunkett

There are experimentally determined two best-fit points for the atmospheric neutrino mixing angle $\theta_{23}$: $\sin^2 \theta_{23} = 0.413$ (case A) and $\sin^2 \theta_{23} = 0.594$ (case B). In the bipair neutrino mixing scheme, we…

High Energy Physics - Phenomenology · Physics 2015-06-17 Teruyuki Kitabayashi , Masaki Yasue

Among all neutrino mixing parameters, the atmospheric neutrino mixing angle theta_{23} introduces the strongest variation on the flux ratios of ultra high energy neutrinos. We investigate the potential of these flux ratio measurements at…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sandhya Choubey , Viviana Niro , Werner Rodejohann

Collective neutrino flavor transformations deep inside a supernova are sensitive to the neutrino mass hierarchy even at extremely small values of theta(13). Exploiting this effect, we show that comparison of the antineutrino signals from a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Basudeb Dasgupta , Amol Dighe , Alessandro Mirizzi

The technical breakthroughs of multiple detectors developed by Daya Bay and RENO collaborations have gotten great attention. Yet the optimal determination of neutrino mixing parameters from reactor data depends on the statistical method and…

High Energy Physics - Phenomenology · Physics 2014-09-23 Amir N. Khan , Douglas W. McKay , John P. Ralston

The JUNO collaboration has released its first measurement of reactor neutrino oscillations results, obtaining $\sin^2\theta_{12} = 0.3092\pm 0.0087$, an improvement in precision by a factor of 1.6 over previous combined results. We confront…

High Energy Physics - Phenomenology · Physics 2025-11-25 Xiao-Gang He

The smallness of the 1-3 lepton mixing angle $\theta_{13}$ and of the neutrino mass-squared-difference ratio $\Delta m^2_{12}/\Delta m^2_{23}$ can be understood as the departure from a common limit where they both vanish. We discuss in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michele Frigerio , Ernest Ma

As pointed out by many authors, recent observations are consistent with an intriguing relation between the Cabibbo angle $\theta_C$ and the solar neutrino mixing angle $\theta_{12}$, namely $\theta_{12} \simeq \pi/4 - \theta_C$. Such…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Antusch , Steve F. King , Rabindra N. Mohapatra

Measuring flux ratios of ultra-high energy neutrinos is an alternative method to determine the neutrino mixing angles and the CP phase delta. We conduct a systematic analysis of the neutrino mixing probabilities and of various flux ratios…

High Energy Physics - Phenomenology · Physics 2014-11-18 Werner Rodejohann