Tyvek is widely used as the inner lining material of water Cherenkov detectors. Therefore, infor- mation about its optical properties plays an important role in the simulation and reconstruction of particles passing t...Tyvek is widely used as the inner lining material of water Cherenkov detectors. Therefore, infor- mation about its optical properties plays an important role in the simulation and reconstruction of particles passing through water Cherenkov detectors. In this paper, a water tank experiment is performed to study the Tyvek reflectivity in water. The so-called UNIFIED model, which is an optical model of surface reflection in Geant4, is adopted to describe the Tyvek reflectivity. Two key optical parameters are obtained from a comparison between the measured data and a Monte Carlo simulation.展开更多
基金Supported by Ministry of Science and Technology of the People's Republic of China (2006CB808102)
文摘Tyvek is widely used as the inner lining material of water Cherenkov detectors. Therefore, infor- mation about its optical properties plays an important role in the simulation and reconstruction of particles passing through water Cherenkov detectors. In this paper, a water tank experiment is performed to study the Tyvek reflectivity in water. The so-called UNIFIED model, which is an optical model of surface reflection in Geant4, is adopted to describe the Tyvek reflectivity. Two key optical parameters are obtained from a comparison between the measured data and a Monte Carlo simulation.