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Related papers: The unfinished fabric of the three neutrino paradi…

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We explore as clearly as possible the features of neutrino oscillation which are relevant for measurements of the CP violating Kobayashi-Maskawa phase delta and the sign of \Delta m^2_{13}. We focus on the so called low-energy option and…

High Energy Physics - Phenomenology · Physics 2010-02-03 Hisakazu Minakata , Hiroshi Nunokawa

Relying upon the usefulness of the \mu-\tau symmetry, we find a new type of neutrino mass texture with a single phase parameter \delta that describes maximal atmospheric neutrino mixing and Dirac CP violation due to the presence of \delta.…

High Energy Physics - Phenomenology · Physics 2014-11-18 Ichiro Aizawa , Masaki Yasue

When combining cosmological and oscillations results to constrain the neutrino sector, the question of the propagation of systematic uncertainties is often raised. We address this issue in the context of the derivation of an upper bound on…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-25 F. Couchot , S. Henrot-Versillé , O. Perdereau , S. Plaszczynski , B. Rouillé d'Orfeuil , M. Spinelli , M. Tristram

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

The latest results from atmospheric and accelerator neutrino experiments indicate that the normal neutrino mass ordering $m^{}_1 < m^{}_2 < m^{}_3$, a maximal leptonic CP-violating phase $\delta = 270^\circ$ and the second octant of…

High Energy Physics - Phenomenology · Physics 2016-03-02 Shun Zhou

By postulating the relation \theta_{23} \simeq 45^\circ + \eta\theta_{13}, we seek preferable correction terms to tri-bi-maximal mixing and discuss their origins. Global analyses of the neutrino oscillation parameters favor \eta=\pm…

High Energy Physics - Phenomenology · Physics 2014-05-07 Takeshi Araki

We perform a global analysis of neutrino oscillation data, including high-precision measurements of the neutrino mixing angle theta_13 at reactor experiments, which have confirmed previous indications in favor of theta_13>0. Recent data…

High Energy Physics - Phenomenology · Physics 2013-05-30 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo , A. M. Rotunno

The T2K experiment reports an updated analysis of neutrino and antineutrino oscillations in appearance and disappearance channels. A sample of electron neutrino candidates at Super-Kamiokande in which a pion decay has been tagged is added…

High Energy Physics - Experiment · Physics 2017-11-23 K. Abe , J. Amey , C. Andreopoulos , M. Antonova , S. Aoki , A. Ariga , Y. Ashida , S. Ban , M. Barbi , G. J. Barker , G. Barr , C. Barry , M. Batkiewicz , V. Berardi , S. Berkman , S. Bhadra , S. Bienstock , A. Blondel , S. Bolognesi , S. Bordoni , S. B. Boyd , D. Brailsford , A. Bravar , C. Bronner , M. Buizza Avanzini , R. G. Calland , T. Campbell , S. Cao , S. L. Cartwright , M. G. Catanesi , A. Cervera , A. Chappell , C. Checchia , D. Cherdack , N. Chikuma , G. Christodoulou , J. Coleman , G. Collazuol , D. Coplowe , A. Cudd , A. Dabrowska , G. De Rosa , T. Dealtry , P. F. Denner , S. R. Dennis , C. Densham , F. Di Lodovico , S. Dolan , O. Drapier , K. E. Duffy , J. Dumarchez , P. Dunne , S. Emery-Schrenk , A. Ereditato , T. Feusels , A. J. Finch , G. A. Fiorentini , M. Friend , Y. Fujii , D. Fukuda , Y. Fukuda , A. Garcia , C. Giganti , F. Gizzarelli , T. Golan , M. Gonin , D. R. Hadley , L. Haegel , J. T. Haigh , D. Hansen , J. Harada , M. Hartz , T. Hasegawa , N. C. Hastings , T. Hayashino , Y. Hayato , A. Hillairet , T. Hiraki , A. Hiramoto , S. Hirota , M. Hogan , J. Holeczek , F. Hosomi , K. Huang , A. K. Ichikawa , M. Ikeda , J. Imber , J. Insler , R. A. Intonti , T. Ishida , T. Ishii , E. Iwai , K. Iwamoto , A. Izmaylov , B. Jamieson , M. Jiang , S. Johnson , P. Jonsson , C. K. Jung , M. Kabirnezhad , A. C. Kaboth , T. Kajita , H. Kakuno , J. Kameda , D. Karlen , T. Katori , E. Kearns , M. Khabibullin , A. Khotjantsev , H. Kim , J. Kim , S. King , J. Kisiel , A. Knight , A. Knox , T. Kobayashi , L. Koch , T. Koga , P. P. Koller , A. Konaka , L. L. Kormos , Y. Koshio , K. Kowalik , Y. Kudenko , R. Kurjata , T. Kutter , J. Lagoda , I. Lamont , M. Lamoureux , P. Lasorak , M. Laveder , M. Lawe , M. Licciardi , T. Lindner , Z. J. Liptak , R. P. Litchfield , X. Li , A. Longhin , J. P. Lopez , T. Lou , L. Ludovici , X. Lu , L. Magaletti , K. Mahn , M. Malek , S. Manly , L. Maret , A. D. Marino , J. F. Martin , P. Martins , S. Martynenko , T. Maruyama , V. Matveev , K. Mavrokoridis , W. Y. Ma , E. Mazzucato , M. McCarthy , N. McCauley , K. S. McFarland , C. McGrew , A. Mefodiev , C. Metelko , M. Mezzetto , A. Minamino , O. Mineev , S. Mine , A. Missert , M. Miura , S. Moriyama , J. Morrison , Th. A. Mueller , T. Nakadaira , M. Nakahata , K. G. Nakamura , K. Nakamura , K. D. Nakamura , Y. Nakanishi , S. Nakayama , T. Nakaya , K. Nakayoshi , C. Nantais , C. Nielsen , K. Nishikawa , Y. Nishimura , P. Novella , J. Nowak , H. M. O'Keeffe , K. Okumura , T. Okusawa , W. Oryszczak , S. M. Oser , T. Ovsyannikova , R. A. Owen , Y. Oyama , V. Palladino , J. L. Palomino , V. Paolone , N. D. Patel , P. Paudyal , M. Pavin , D. Payne , Y. Petrov , L. Pickering , E. S. Pinzon Guerra , C. Pistillo , B. Popov , M. Posiadala-Zezula , J. -M. Poutissou , A. Pritchard , P. Przewlocki , B. Quilain , T. Radermacher , E. Radicioni , P. N. Ratoff , M. A. Rayner , E. Reinherz-Aronis , C. Riccio , P. A. Rodrigues , E. Rondio , B. Rossi , S. Roth , A. C. Ruggeri , A. Rychter , K. Sakashita , F. Sánchez , E. Scantamburlo , K. Scholberg , J. Schwehr , M. Scott , Y. Seiya , T. Sekiguchi , H. Sekiya , D. Sgalaberna , R. Shah , A. Shaikhiev , F. Shaker , D. Shaw , M. Shiozawa , T. Shirahige , M. Smy , J. T. Sobczyk , H. Sobel , J. Steinmann , T. Stewart , P. Stowell , Y. Suda , S. Suvorov , A. Suzuki , S. Y. Suzuki , Y. Suzuki , R. Tacik , M. Tada , A. Takeda , Y. Takeuchi , R. Tamura , H. K. Tanaka , H. A. Tanaka , T. Thakore , L. F. Thompson , S. Tobayama , W. Toki , T. Tomura , T. Tsukamoto , M. Tzanov , M. Vagins , Z. Vallari , G. Vasseur , C. Vilela , T. Vladisavljevic , T. Wachala , C. W. Walter , D. Wark , M. O. Wascko , A. Weber , R. Wendell , M. J. Wilking , C. Wilkinson , J. R. Wilson , R. J. Wilson , C. Wret , Y. Yamada , K. Yamamoto , C. Yanagisawa , T. Yano , S. Yen , N. Yershov , M. Yokoyama , M. Yu , A. Zalewska , J. Zalipska , L. Zambelli , K. Zaremba , M. Ziembicki , E. D. Zimmerman , M. Zito

One of the major open questions in particle physics is the issue of the neutrino mass ordering (NMO). The current data of the two long-baseline experiments NO$\nu$A and T2K, interpreted in the standard 3-flavor scenario, provide a…

High Energy Physics - Phenomenology · Physics 2020-03-25 Francesco Capozzi , Sabya Sachi Chatterjee , Antonio Palazzo

This pedagogical overview will cover the current status of neutrino physics from an experimentalist's point of view, focusing primarily on oscillation studies. The evidence for neutrino oscillations will be presented, along with the…

High Energy Physics - Experiment · Physics 2017-08-23 K. Scholberg

We diagonalize Majorana neutrino mass matrix with the help of PMNS matrix and obtain analytical relations between the mass matrix elements and mixing parameters, viz., three mixing angles- $\theta_{12}, \theta_{23}, \theta_{13}$ and Dirac…

High Energy Physics - Phenomenology · Physics 2019-05-21 Chandan Duarah

We aim to constrain mass-varying neutrino models using large scale structure observations and produce forecast for the Euclid survey. We investigate two models with different scalar field potential and both positive and negative coupling…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-20 Giuseppe La Vacca , David F. Mota

We perform a global analysis of cosmological observables in generalized cosmologies which depart from $\Lambda$CDM models by allowing non-vanishing curvature $\Omega_k\neq 0$, dark energy with equation of state with $\omega\neq -1$, the…

High Energy Physics - Phenomenology · Physics 2011-06-17 M. C. Gonzalez-Garcia , Michele Maltoni , Jordi Salvado

We explore whether KamLAND and solar data may end up inconsistent when analyzed in terms of two-flavor neutrino oscillations. If this turned out to be the case, one would be led to conclude that there is more new physics, besides neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andre de Gouvea , Carlos Pena-Garay

We present updated values for the mass-mixing parameters relevant to neutrino oscillations, with particular attention to emerging hints in favor of theta_13>0. We also discuss the status of absolute neutrino mass observables, and a possible…

High Energy Physics - Phenomenology · Physics 2008-09-19 G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , A. M. Rotunno

We present new constraints on the neutrino oscillation parameters $/textyen Delta m^{2}_{21}$, $/textyen theta_{12}$, and $/textyen theta_{13}$ from a three-flavor analysis of solar and KamLAND data. The KamLAND data set includes data…

High Energy Physics - Experiment · Physics 2012-08-27 The KamLAND Collaboration

One of the outstanding issues in neutrino physics is the experimental determination of the neutrino mass hierarchy: Is the order of the neutrino masses ``normal'' - m_1^2<m_2^2<m_3^2 - or is it inverted - m_3^2<m_1^2<m_2^2, with m_2^2-m_1^2…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andre de Gouvea , James Jenkins

The only experimentally observed phenomenon that lies outside the standard model of the electroweak interaction is neutrino oscillations. A way to try to unify the extensive neutrino oscillation data is to add a phenomenological mass term…

Nuclear Theory · Physics 2017-08-23 D. J. Ernst , B. K. Cogswell , H. R. Burroughs , J. Escamilla-Roa , D. C. Latimer

We explore a simple but extremely predictive extension of the scotogenic model. We promote the scotogenic symmetry $\mathbb{Z}_2$ to the flavour non-Abelian symmetry $\Sigma(81)$, which can also automatically protect dark matter stability.…

High Energy Physics - Phenomenology · Physics 2023-01-10 Salvador Centelles Chuliá , Ricardo Cepedello , Omar Medina

In the limit of an approximate $\mu-\tau$ symmetry in the neutrino mass matrix, we explore deviations to the Tri-Bi-Maximal mixing pattern in the neutrino sector. We consider two different ansatzes for the corrected pattern to predict the…

High Energy Physics - Phenomenology · Physics 2019-05-22 Diana C. Rivera-Agudelo , S. L. Tostado , Abdel Pérez-Lorenzana