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Aug 16, 2011

The Glashow resonance at IceCube: signatures, event rates and $pp$ vs…

We revisit the signatures of the Glashow resonance process $\bar{\nu}_e e \to W$ in the high-energy astrophysical neutrino observatory IceCube. We no…
Jul 01, 2013

Sensitivity of the squark flavor mixing to the CP violation of K, B0 …

We study the sensitivity of the squark flavor mixing to the CP violating phenomena of $K$, $B^0$ and $B_s$ mesons in the framework of the split-famil…
Nov 09, 2011

Histogram method in finite density QCD with phase quenched simulations

We propose a new approach to finite density QCD based on a histogram method with phase quenched simulations at finite chemical potential. Integrating…
Jan 28, 2011

Scaling behavior of chiral phase transition in two-flavor QCD with …

We study scaling behavior of a chiral order parameter performing a simulation of two-flavor QCD with improved Wilson quarks. It has been shown that t…
Dec 31, 2016

On the possibility of search for $L_μ- L_τ$ gauge boson at Belle-II…

We study the possibilities on the search of the light and weakly interacting gauge boson in the gauged $L_\mu - L_\tau$ model. Introducing the kineti…
Apr 09, 2015

First order transition regions in the quark masses and chemical pot…

We investigate the phase transitions of (2+Nf)-flavor QCD, where two light flavors and Nf massive flavors exist, aiming to understand the phase struc…
Feb 15, 2016

Many flavor approach to study the nature of chiral phase transition o…

We perform lattice numerical simulations to study the phase transition of QCD at finite temperature to clarify the nature of the transition of massle…
Mar 16, 2012

Numerical study of QCD phase diagram at high temperature and density …

We study the QCD phase structure at high temperature and density adopting a histogram method. Because the quark determinant is complex at finite dens…
Nov 30, 2013

Nature of finite temperature and density phase transitions in many-…

We investigate the phase structure of (2+Nf)-flavor QCD, where two light flavors and Nf massive flavors exist, to discuss the feasibility of the elec…
Feb 02, 2012

Squark flavor mixing and CP asymmetry of neutral $B$ mesons at LHCb

The CP violation of the neutral $B$ meson is the important phenomenon to search for the new physics. The like-sign dimuon charge asymmetry observed b…
Mar 20, 2014

Neutrino masses, leptogenesis, and sterile neutrino dark matter

We analyze a scenario in which the lightest heavy neutrino $N_1$ is a dark matter candidate and the second- heaviest neutrino $N_2$ decays producing …
Aug 20, 2015

Seesaw mechanism at electron-electron colliders

We consider the Standard Model with right-handed neutrinos to explain the masses of active neutrinos by the seesaw mechanism. Since active neutrinos …
May 07, 2014

Predicting CP violation in Deviation from Tri-bimaximal mixing of N…

We study the CP violation in the deviation from the tri-bimaximal mixing (TBM) of neutrinos. We examine non-trivial relations among the mixing angles…
Mar 21, 2015

$K_L \to π^0 ν{\bar ν}$ decay correlating with $ε_K$ in high-scale …

We have studied the contribution of the high-scale SUSY to the K_L to pi^0 nu{bar nu} and K^+ to pi^+ nu{bar nu} processes correlating with the CP vi…
Dec 28, 2012

SUSY contributions to CP violations in $b\to s$ and $b\to d$ transiti…

We study the contribution of the gluino-squark mediated flavor changing process for the CP violation in $b\to s$ and $b\to d$ transitions facing on r…
Dec 05, 2012

Phase structure of finite density QCD with a histogram method

We study the phase structure of QCD in the $T-\mu$ plane using a histogram method and the reweighting technique by performing phase quenched simulati…
Sep 06, 2016

Exploring Nf=2+1 QCD thermodynamics from the gradient flow

The energy-momentum tensor plays an important role in QCD thermodynamics. Its expectation value contains information of the pressure and the energy d…
Jun 16, 2010

Ultra-high neutrino fluxes as a probe for non-standard physics

We examine how light neutrinos coming from distant active galactic nuclei (AGN) and similar high energy sources may be used as tools to probe non-sta…
Dec 04, 2012

Probability distribution functions in the finite density lattice QCD

We study the phase structure of QCD at high temperature and density by lattice QCD simulations adopting a histogram method. We try to solve the probl…
Nov 23, 2013

Searching for the squark flavor mixing in CP violations of Bs -> K+ K…

We study CP violations in the B_s-> K+K- and Bs->K0K0 decays in order to find the contribution of the supersymmetry, which comes from the gluino-squa…
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