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256 papers · 1 filter
Measurement of the gamma gamma -> pi+ pi- and gamma gamma -> K+ K- processes at energies of 2.4 - 4.1 GeV
H. Nakazawa
We have measured pi+pi- and K+K- production in two-photon collisions using 87.7 /fb of data collected with the Belle detector at the asymmetric energy e+e- collider KEKB. The cross…
Measurement of positron lifetime to probe the mixed molecular states of liquid water
Katsushige Kotera, Tadashi Saito, Taku Yamanaka
Positron lifetime spectra were measured in liquid water at temperatures between 0c and 50c. The long lifetime of ortho-positronium atoms (o-Ps) determined by electron pick-off in m…
Plans for the LIGO-TAMA Joint Search for Gravitational Wave Bursts
Patrick J. Sutton, Masaki Ando, Patrick Brady +18
We describe the plans for a joint search for unmodelled gravitational wave bursts being carried out by the LIGO and TAMA collaborations using data collected during February-April 2…
Real-space electronic-structure calculations with timesaving double-grid technique
Tomoya Ono, Kikuji Hirose
We present a set of efficient techniques in first-principles electronic-structure calculations utilizing the real-space finite-difference method. These techniques greatly reduce th…
Emergence of a Barchan Belt in a Unidirectional Flow: Experiment and Numerical Simulation
Atsunari Katsuki, Macoto Kikuchi, Noritaka Endo
We observed time evolution of dune fields in a water tank experiment and simulated it by using a simple model without taking complex fluid dynamics into account. The initial sand b…
Measurements of Branching Fractions and CP Asymmetries in B-> etah Decays
Paoti Chang
We report measurements of B to pseudoscalar-pseudoscalar decays with at least one eta meson in the final state using 140 fb^{-1} of data collected by the Belle detector at KEKB e^+…