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A model of the reflection distribution in the vacuum ultra violet region
C. Silva, J. Pinto da Cunha, A. Pereira +4
A reflection model with three components, a specular spike, a specular lobe and a diffuse lobe is discussed. This model was successfully applied to describe reflection of xenon sci…
Reflectance of Polytetrafluoroethylene (PTFE) for Xenon Scintillation Light
C. Silva, J. Pinto da Cunha, A. Pereira +3
Gaseous and liquid xenon particle detectors are being used in a number of applications including dark matter search and neutrino-less double beta decay experiments. Polytetrafluoro…
Calibration of Photomultiplier Arrays
F. Neves, V. Chepel, D. Yu. Akimov +31
A method is described that allows calibration and assessment of the linearity of response of an array of photomultiplier tubes. The method does not require knowledge of the photomu…
Limits on the spin-dependent WIMP-nucleon cross-sections from the first science run of the ZEPLIN-III experiment
V. N. Lebedenko, H. M. Araujo, E. J. Barnes +36
We present new experimental constraints on the WIMP-nucleon spin-dependent elastic cross-sections using data from the first science run of ZEPLIN-III, a two-phase xenon experiment…