The significance of discovering the boson 750 GeV is beyond finding a single heavy boson, because it may hint location scale for new physics standard model which target long-time exploration. There have been many models to explain diphoton excess observed by ATLAS and CMS collaborations BLMSSM one them. an extension minimal supersymmetric where baryon lepton numbers are local gauge symmetries. We analyze decay channels $Φ\rightarrow gg$, $Φ\rightarrowγγ$, Zγ$, \bar{t}t,\;VV\;(V=Z,\;W)$ with...

Abstract It is well known that the muon magnetic dipole moment (MDM) has close relation with new physics (NP) in development of Standard Model (SM). Combined Fermilab National Accelerator Laboratory (FNAL) and Brookhaven (BNL) E821 result, departure from SM prediction about 5.0 $$\sigma .$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>σ</mml:mi> <mml:mo>.</mml:mo> </mml:mrow> </mml:math> We study electroweak corrections several type two-loop SUSY diagrams...

Abstract This paper investigates the neutrino transition magnetic moment in $U(1)_X$SSM. $U(1)_X$SSM is $U(1)$ extension of Minimal Supersymmetric Standard Model (MSSM) and its local gauge group extended to $SU(3)_C\times SU(2)_L \times U(1)_Y\times U(1)_X$. To obtain this model, three singlet new Higgs superfields right-handed neutrinos are added MSSM, which can explain results oscillation experiments. The induced by electroweak radiative corrections. By applying effective Lagrangian method...

Charged lepton flavor violating processes are forbidden in the standard model (SM), hence observation of charged transitions would represent a clear signal new physics beyond model. In this work, we investigate some minimal supersymmetric extension SM with local $B\ensuremath{-}L$ gauge symmetry (B-LSSM). And including corrections from two loop diagrams to anomalous dipole moments (MDM) muon, discuss corresponding constraint on relevant parameter space Considering constraints updated...

In the supersymmetric model with local gauged baryon and lepton numbers (BLMSSM), CP violating effects are considered to study electric dipole moment (EDM). The phases in BLMSSM more than those standard (SM) can give large contributions. analysis of EDMs for leptons e, μ, τ is shown this work. It favour exploring source violation probing physics beyond SM.

Recently, the CMS and ATLAS collaborations have reported direct searches for 125 GeV Higgs decay with lepton flavor violation, h → μτ. In this work, we analyze signal of flavour violating (LFV) μτ in μ from ν Supersymmetric Standard Model (μνSSM) slepton mixing. Simultaneously, consider constraints LFV τ μγ, muon anomalous magnetic dipole moment lightest mass around GeV.

The μνSSM, one of supersymmetric extensions the Standard Model, introduces three right-handed neutrino superfields to solve μ problem and violates lepton number. Within framework we investigate flavor violating (LFV) processes [Formula: see text] with slepton mixing. Simultaneously, consider LFV muon conversion electron in nuclei.

In a supersymmetric extension of the standard model with local gauged baryon and lepton numbers (BLMSSM), there are new sources for flavor violation, because right-handed neutrinos gauginos introduced. BLMSSM, we study charged violating processes ${l}_{j}\ensuremath{\rightarrow}{l}_{i}+\ensuremath{\gamma}$ ${l}_{j}\ensuremath{\rightarrow}3{l}_{i}$ in detail. The numerical results show that some parameter space branching ratios can be large enough to detected near future.

Recently, the ATLAS and CMS Collaborations reported latest experimental upper limits on branching ratios of lepton flavor violating (LFV) 125 GeV Higgs boson decays, $h\ensuremath{\rightarrow}e\ensuremath{\mu}$, $h\ensuremath{\rightarrow}e\ensuremath{\tau}$, $h\ensuremath{\rightarrow}\ensuremath{\mu}\ensuremath{\tau}$. In this paper, we mainly investigate LFV decays $h\ensuremath{\rightarrow}\ensuremath{\mu}\ensuremath{\tau}$ in minimal supersymmetric extension Standard Model with local...

Abstract The MSSM is extended to the $$U(1)_X$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>U</mml:mi> <mml:msub> <mml:mo>(</mml:mo> <mml:mn>1</mml:mn> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>X</mml:mi> </mml:msub> </mml:math> SSM, whose local gauge group $$SU(3)_C \times SU(2)_L U(1)_Y U(1)_X$$ <mml:mi>S</mml:mi> <mml:mn>3</mml:mn> <mml:mi>C</mml:mi> <mml:mo>×</mml:mo> <mml:mn>2</mml:mn> <mml:mi>L</mml:mi> <mml:mi>Y</mml:mi> . To obtain we add new superfields...

The newly observed $D_{sJ}^*$ family containing $D_{sJ}^{*}(2317)$, $D_{sJ}(2460)$ and $D_{sJ}(2632)$ attracts great interests. Determining their structure may be important tasks for both theorists experimentalists. In this work we use the heavy quark effective theory (HQET) a non-relativistic model to evaluate production rate of $D_{sJ}^{*}(2317)$ from decays $\psi(4415)$, find that it is sizable at BES III CLEO, if p-wave excited state $D_s(1968)$. Unfortunately, other two members cannot...

Recently the ATLAS and CMS Collaborations have reported significant events that are attributed to neutral Higgs boson with mass around 125 GeV. In this work, we investigate signals of decay channels $h\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma}$, $h\ensuremath{\rightarrow}V{V}^{*}\text{ }(V=Z,W)$, $h\ensuremath{\rightarrow}f\overline{f}\text{ }(f=b,\ensuremath{\tau})$ in $\ensuremath{\mu}$ from $\ensuremath{\nu}$ supersymmetric standard model...

People extend the MSSM with local gauge group U(1)X to obtain U(1)XSSM. In framework of U(1)XSSM, we study flavor transition process b→sγ mass insertion approximation (MIA). By MIA method and some reasonable parameter assumptions, can intuitively find parameters that have obvious effect on analytic results b→sγ. means influences different sensitive parameters, better fit experimental data.

Abstract In the present study, we investigated decays of top quark: , and . They are extremely rare processes in standard model (SM). As extension minimal supersymmetric (MSSM), SSM features new superfields such as right-handed neutrinos three Higgs singlets. We analyzed effects different sensitive parameters on results made reasonable theoretical predictions, thereby providing a useful reference for future experimental development. Considering constraint set by updated data, numerical show...

Recently, several reactor oscillation experiments have successively measured a nonzero value for the neutrino mixing angle ${\theta_{13}}$, which is greater than 5 standard deviations. Within framework of $\mu$ from $\nu$ Supersymmetric Standard Model ($\mu\nu$SSM), three tiny masses are generated at tree level through TeV scale seesaw mechanism. In this work, we analyze and in $\mu\nu$SSM with "top down" method, assuming mass spectrum normal ordering (NO) or inverted (IO).

We precisely derive the mass squared matrices for charged and neutral (CP-odd CP-even) Higgs, as well neutrino-neutralino lepton-chargino in minimal $R$-parity violating supersymmetry with local $U(1{)}_{B\ensuremath{-}L}$ symmetry. In framework nonzero TeV scale vacuum expectations of right-handed sneutrinos induce heavy gauge bosons result relatively large mixing between lightest CP-even Higgs when we include one-loop corrections to scalar potential. numerically show that there is...

We perform an analysis on ${B^0} - {{\bar B}^0}$ mixing in the extension of minimal supersymmetric standard model where baryon and lepton numbers are local gauge symmetries (BLMSSM) by using effective Hamiltonian method. And constraint a 125 GeV Higgs to parameter space has also been consid-ered. The numerical results indicate that contributions extra particles can be sizeable mixing. For certain sets, theoretical prediction mass differences $\Delta m_{B}$ agrees with current experimental...

A bstract U(1) X SSM is the extension of minimal supersymmetric standard model (MSSM) and its local gauge group SU(3) C × SU(2) L Y . To obtain this model, three singlet new Higgs superfields right-handed neutrinos are added to MSSM. In framework SSM, we study lepton flavor violating decays τ → Pl( P = π , η ′; l μ e ). According latest experimental data Pe Pμ, influence different sensitive parameters on results analyzed make a reasonable prediction for future experiments. From numerical...

The $\mu\nu$SSM, one of supersymmetric extensions beyond the Standard Model, introduces three singlet right-handed neutrino superfields to solve $\mu$ problem and can generate tiny Majorana masses through seesaw mechanism. In this work, we investigate rare decay process $\bar{B}\rightarrow X_s\gamma$ in under a minimal flavor violating assumption for soft breaking terms. Constrained by SM-like Higgs with mass around 125 GeV, numerical results show that new physics fit experimental data...