Isotopic mass separation with the RICH detector of the AMS Experiment
Abstract
The Alpha Magnetic Spectrometer (AMS) to be installed on the International Space Station (ISS) will be equipped with a proximity focusing Ring Imaging Cerenkov detector (RICH). Reconstruction of the Cerenkov angle and the electric charge with RICH are discussed. A likelihood method for the Cerenkov angle reconstruction was applied leading to a velocity determination for protons with a resolution around 0.1%. The electric charge reconstruction is based on the counting of the number of photoelectrons and on an overall efficiency estimation on an event-by-event basis. The isotopic mass separation of helium and beryllium is presented.
Keywords
Cite
@article{arxiv.0801.4658,
title = {Isotopic mass separation with the RICH detector of the AMS Experiment},
author = {Luísa Arruda and Fernando Barão and João Borges and Patrícia Gonçalves and Rui Pereira and Mário Pimenta and Fernando Carmo},
journal= {arXiv preprint arXiv:0801.4658},
year = {2008}
}
Comments
6 pages. Contribution to the International School of Cosmic Ray Astrophysics- 15th Course Astrophysics at Ultra-High Energies (Erice, Italy, 2006). Presenter: Luisa Arruda