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28 papers · 1 filter
Non-perturbative renormalization of quark bilinear operators and B_K using domain wall fermions
Y. Aoki, P. A. Boyle, N. H. Christ +11
We present a calculation of the renormalization coefficients of the quark bilinear operators and the K-Kbar mixing parameter B_K. The coefficients relating the bare lattice operato…
Flavor Changing Neutral Higgs Bosons in a Supersymmetric Extension based on a Family Symmetry
Naoko Kifune, Jisuke Kubo, Alexander Lenz
A supersymmetric extension of the standard model based on the discrete family symmetry is considered, and we investigate flavor-changing neutral current (FCNC) processes, esp…
On Black Hole Mass Estimation from X-ray Spectra of Ultraluminous X-ray Sources
Kiki Vierdayanti, Ken-ya Watarai, Shin Mineshige
We propose a methodology to derive a black-hole mass for super-critical accretion flow. Here, we use the extended disk blackbody (extended DBB) model, a fitting model in which the…
Suzaku Observation of the Anomalous X-ray Pulsar CXOU J164710.2--455216
Sachindra Naik, Tadayasu Dotani, Nobuyuki Kawai +11
Suzaku TOO observation of the anomalous X-ray pulsar CXOU J164710.2-455216 was performed on 2006 September 23--24 for a net exposure of 38.8 ks. During the observation, the XIS was…
In Orbit Timing Calibration of the Hard X-Ray Detector on Board Suzaku
Yukikatsu Terada, Teruaki Enoto, Ryouhei Miyawaki +28
The hard X-ray detector (HXD) on board the X-ray satellite Suzaku is designed to have a good timing capability with a 61 s time resolution. In addition to detailed descriptions…
Redshift Dependent Lag-Luminosity Relation in 565 BASTE Gamma Ray Bursts
Ryo Tsutsui, Takashi Nakamura, Daisuke Yonetoku +3
We compared redshifts from Yonetoku relation and from the lag-luminosity relation for 565 BASTE GRBs and were surprised to find that the correlation is very low. As…