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We discuss reactor antineutrino oscillations with non-standard interactions (NSIs) at the neutrino production and detection processes. The neutrino oscillation probability is calculated with a parametrization of the NSI parameters by…

High Energy Physics - Phenomenology · Physics 2015-03-23 Yu-Feng Li , Ye-Ling Zhou

The Landau Fermi Liquid parameters are calculated for charge neutral asymmetric nuclear matter in beta equilibrium at zero temperature in the presence of a very strong magnetic field with relativistic mean-field models. Due to the isospin…

Nuclear Theory · Physics 2015-05-27 M. A. Perez-Garcia , C. Providencia , A. Rabhi

We discuss neutrino sector in models with two Higgs doublet and one singlet scalar fields under local $U(1)_{L_\alpha- L_\beta}$ symmetry. A neutrino mass matrix is formulated for these models where the matrix is generated via type-I seesaw…

High Energy Physics - Phenomenology · Physics 2025-01-28 Yuanchao Lou , Takaaki Nomura

I address the question of whether supersymmetry provides a viable candidate for the dark matter in the Universe. I review the properties of the lightest neutralino as a candidate for solving the dark matter problem. I discuss the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Leszek Roszkowski

It is pointed out (not for the first time) that the minimal Standard Model, without additional gauge-singlet right-handed neutrinos or isotriplet Higgs fields, allows for nonvanishing neutrino masses and mixing. The required interaction…

High Energy Physics - Phenomenology · Physics 2013-02-01 F. R. Klinkhamer

We analyze the lepton sector of a Left-Right Model based on the gauge group SU(2)_L x SU(2)_R x U(1), concentrating mainly on neutrino properties. Using the seesaw mechanism and a horizontal symmetry, we keep the right-handed symmetry…

High Energy Physics - Phenomenology · Physics 2009-11-11 Ken Kiers , Michael Assis , David Simons , Alexey A. Petrov , Amarjit Soni

We compute the neutralino decay rate in the minimal supersymmetric standard model with the addition of explicit R-parity violation. We include the complete squark and slepton mixing matrices, previously neglected, and we improve and correct…

High Energy Physics - Phenomenology · Physics 2009-10-30 E. A. Baltz , P. Gondolo

We compute the neutralino relic density in the minimal supersymmetric standard model by using exact expressions for the neutralino annihilation cross section into all tree-level final states, including all contributions and interference…

High Energy Physics - Phenomenology · Physics 2010-02-03 Takeshi Nihei , Leszek Roszkowski , Roberto Ruiz de Austri

The determination of the masses of Supersymmetric particles such as the Selectron for energies above threshold using the energy end-points method is subject to signal deconvolution difficulties and to Standard Model and Supersymmetric…

High Energy Physics - Experiment · Physics 2009-11-07 Mihai Dima , James Barron , Anthony Johnson , Luke Hamilton , Uriel Nauenberg , Matthew Route , David Staszak , Matthew Stolte , Tara Turner

The interplay between the LHC and the $e^+ e^-$ International Linear Collider (ILC) with $\sqrt{s}=500$ GeV might be crucial for the discrimination between the minimal and next-to-minimal supersymmetric standard model. We present an NMSSM…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Moortgat-Pick , S. Hesselbach , F. Franke , H. Fraas

The linear regression models are widely used statistical techniques in numerous practical applications. The standard regression model requires several assumptions about the regres- sors and the error term. The regression parameters are…

Methodology · Statistics 2016-10-23 P. Vellaisamy

In this talk we discuss the implications of the Minimal Supersymmetric Standard Model augmented by a single U(1) anomalous family symmetry for neutrino masses and mixing angles. The left-handed neutrino states are provided with Majorana…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Psallidas

Status of determination of the neutrino masses and mixing is formulated and possible uncertainties, especially due to presence of the sterile neutrinos, are discussed. The data hint an existence of special ``neutrino'' symmetries. If not…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alexei Yu. Smirnov

Dark matter candidates arising in models of particle physics incorporating weak scale supersymmetry may produce detectable signals through their annihilation into neutrinos, photons, or positrons. A large number of relevant experiments are…

Astrophysics · Physics 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Frank Wilczek

We propose a parametrization of the lepton mixing matrix in terms of an expansion in powers of the deviations of the reactor, solar and atmospheric mixing angles from their tri-bimaximal values. We show that unitarity triangles and neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. F. King

We compute the neutralino direct detection rate in non-standard cosmological scenarios where neutralinos account for the dark matter of the Universe. Significant differences are found when such rates are compared with those predicted by the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Gelmini , P. Gondolo , A. Soldatenko , C. E. Yaguna

Processes of the form $pp\to anything \to X_i X_j \to x\bar{x} + y\bar{y} (+ \slashchar{E})$ are studied via a technique that may be viewed as an adaptation of time-honoured Dalitz plot analyses. $X_i$ and $X_j$ are new heavy states (with…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. Bisset , N. Kersting , J. Li , ; F. Moortgat , S. Moretti , Q. L. Xie

We apply the covariant derivative expansion method to integrate out the neutralinos and charginos in the minimal supersymmetric Standard Model. The results are presented as set of pure bosonic dimension-6 operators in the Standard Model…

High Energy Physics - Phenomenology · Physics 2018-05-08 Huayong Han , Ran Huo , Minyuan Jiang , Jing Shu

In high-dimensional statistical inference in which the number of parameters to be estimated is larger than that of the holding data, regularized linear estimation techniques are widely used. These techniques have, however, some drawbacks.…

Methodology · Statistics 2025-08-06 Takashi Takahashi , Yoshiyuki Kabashima

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