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Related papers: SUSY radiative corrections on mu-tau neutrino refr…

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We analyze CP violation in the supersymmetric standard model (MSSM) embedded minimally into a left-right symmetric gauge structure with the seesaw mechanism for neutrino masses. With the plausible assumption of universal scalar masses it is…

High Energy Physics - Phenomenology · Physics 2009-12-30 K. S. Babu , B. Dutta , R. N. Mohapatra

In this paper we review our main results for Lepton Flavour Violating (LFV) semileptonic tau decays and muon-electron conversion in nuclei within the context of two Constrained SUSY-Seesaw Models, the CMSSM and the NUHM. The relevant…

High Energy Physics - Phenomenology · Physics 2010-11-11 E. Arganda , M. Herrero , J. Portoles , A. Rodriguez-Sanchez , A. Teixeira

In this paper we explore the possibility of explaining the muon $g-2$ anomaly in various types of supersymmetric extensions of the Standard Model. In particular, we investigate and compare the phenomenological constraints in the MSSM with…

High Energy Physics - Phenomenology · Physics 2022-08-23 Manimala Chakraborti , Sho Iwamoto , Jong Soo Kim , Rafał Masełek , Kazuki Sakurai

Assuming universality of Yukawa coupling of the superpotential and maximal spontaneous CP violation, fermion masses and mixing angles including that of neutrinos are studied in an SUSY SO(10)$\times \Delta (48)\times$ U(1) model with small…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. C. Chou , Yue-Liang Wu

We embed $\mu-\tau$ reflection symmetry into the minimal seesaw formalism, where two right-handed neutrinos are added to the Standard Model of particle physics. Assuming that both the left- and right-handed neutrino fields transform under…

High Energy Physics - Phenomenology · Physics 2022-10-19 Newton Nath , Zhi-zhong Xing , Jue Zhang

We analyze the one loop correction to $Z\rightarrow \nu\nu$ decay in framework of Minimal R-symmetric Supersymmetric Standard Model(MRSSM) in detail with normal and inverse neutrino mass orderings, as a function of $\tan\beta$, Dirac mass…

High Energy Physics - Phenomenology · Physics 2019-03-27 Ke-Sheng Sun , Jian-Bin Chen , Xiu-Yi Yang , Hai-Bin Zhang

We review an efficient formulation of the complete theory of supersymmetry without R-parity, where all the admissible R-parity violating terms incorporated. Some interesting recent results will be discussed, including newly identified…

High Energy Physics - Phenomenology · Physics 2007-05-23 Otto C. W. Kong

We show that in a large class of supersymmetric models with spontaneously broken B-L symmetry, neutron--antineutron oscillations occur at an observable level even though the scale of B-L breaking is very high, v_{B-L} ~ 2 x 10^{16} GeV, as…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. S. Babu , R. N. Mohapatra

We consider minimal type-I seesaw framework to realize $ \mu-\tau $ reflection symmetry in the low-energy neutrino mass matrix, $ M_{\nu} $. Considering DUNE experiment, we scrutinize its potential to measure the precision of 2-3 mixing…

High Energy Physics - Phenomenology · Physics 2018-10-19 Newton Nath

The $\mu\nu$SSM is a simple supersymmetric extension of the Standard Model (SM) capable of predicting neutrino physics in agreement with experiment. In this paper we perform the complete one-loop renormalization of the neutral scalar sector…

High Energy Physics - Phenomenology · Physics 2018-06-21 T. Biekötter , S. Heinemeyer , C. Muñoz

We consider the neutrino oscillations within the minimal supersymmetric standard model with R-parity violation. The Super-Kamiokande atmospheric neutrino data are used to set limits on the bilinear R-parity violating terms. These very…

High Energy Physics - Phenomenology · Physics 2009-10-31 Vadim Bednyakov , Amand Faessler , Sergey Kovalenko

Using the seesaw mechanism and a discrete symmetry, we construct a class of models for the neutrino mass matrix where the inverse of that matrix is the sum of a mu-tau antisymmetric background and a perturbation. We consider various…

High Energy Physics - Phenomenology · Physics 2009-11-11 Walter Grimus , Satoru Kaneko , Luis Lavoura , Hideyuki Sawanaka , Morimitsu Tanimoto

We compute supersymmetric contributions to pion leptonic (\pi_{l2}) decays in the Minimal Supersymmetric Standard Model (MSSM). When R-parity is conserved, the largest contributions to the ratio R_{e/\mu} = \Gamma[ \pi^+ \to e^+…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Ramsey-Musolf , Shufang Su , Sean Tulin

Two-loop threshold corrections for both the strong coupling constant and Yukawa couplings of heavy SM fermions are considered in the context of Minimal Supersymmetric Standard Model (MSSM). With the help of the well-known SOFTSUSY code the…

High Energy Physics - Phenomenology · Physics 2010-10-08 A. V. Bednyakov

The renormalization group (RG) running of the neutrino mass operator is required for comparing the predictions of neutrino models at high energy with the experimental data at low energies. In the type I seesaw scenario with n_G right-handed…

High Energy Physics - Phenomenology · Physics 2016-01-27 Stefan Antusch , Eros Cazzato

We study the effects of non-standard interactions (NSI) and the genuine CP phase $\delta_D$ in neutrino oscillations at low, $E_\nu \lesssim 1\,\mbox{GeV}$, and very low, $E_\nu \lesssim 0.1\,\mbox{GeV}$, energies. For experimental setup…

High Energy Physics - Phenomenology · Physics 2018-05-18 Shao-Feng Ge , Alexei Yu. Smirnov

Radiatively-induced neutrino mass matrix is investigated within the framework of an SU(5) SUSY GUT model. The model has matter fields of three families \bar{5}_{L(+)i}+5_{L(+)i} in addition to the ordinary matter fields…

High Energy Physics - Phenomenology · Physics 2015-06-25 Yoshio Koide

We perform a systematic study of radiative corrections to the masses of the Higgs bosons in the minimal supersymmetric standard model (MSSM) augmented by a single gauge singlet, the so-called next-to-minimal supersymmetric standard model…

High Energy Physics - Phenomenology · Physics 2011-01-13 T. Elliott , S. F. King , P. L. White

We study the R-parity violating minimal supergravity models accounting for the observed neutrino masses and mixing, which can be tested in future collider experiments. The bi-large mixing can be explained by allowing five dominant…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dong-Won Jung , Sin Kyu Kang , Jong Dae Park , Eung Jin Chun

We address the following question. Take the Constrained Minimal Supersymmetric Standard Model (CMSSM) with the two CP violating SUSY phases different from zero, and neglect the bound coming from the electric dipole moment of the neutron…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. A. Demir , A. Masiero , O. Vives