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First Measurement of the Branching Fraction of the Decay psi(2S) --> tau tau
J. Z. Bai
The branching fraction of the psi(2S) decay into tau pair has been measured for the first time using the BES detector at the Beijing Electron-Positron Collider. The result is $B_{τ…
The Electronics and Data Acquisition Systems of a CsI(Tl) Scintillating Crystal Detector for Low Energy Neutrino Experiment
W. P. Lai, TEXONO Collaboration
A 500 kg CsI(Tl) scintillating crystal detector is under construction for the studies of low-energy neutrino physics. The requirements, design, realization and the performance of t…
Protons in near earth orbit
AMS Collaboration
The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380 km. Ab…
Search for antihelium in cosmic rays
AMS Collaboration
The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10…
A Measurement of the Mass and Full-Width of the Meson
J. Z. Bai
In a sample of 7.8 million decays collected in the Beijing Spectrometer, the process J/ is observed for five different decay channels: , $π^+π^-…
A CsI(Tl) Scintillating Crystal Detector for the Studies of Low Energy Neutrino Interactions
TEXONO Collaboration
Scintillating crystal detector may offer some potential advantages in the low-energy, low-background experiments. A 500 kg CsI(Tl) detector to be placed near the core of Nuclear Po…