ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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Issue
vol 60 / FEBRUARY, 2017
Article
UDC 53.082.77

CRYOGENIC TIME-PROJECTION IONIZATION CHAMBER FOR INVESTIGATION OF μ-MESON CAPTURE BY DEUTERON IN MUSUN EXPERIMENT

I. Y. Ivanov
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Department of Instruments and Methods of Polarization Measurements of St. Petersburg State University of Information Technologies, Mechanics and Optics; Senior Laboratory Assistant


A. A. Vasiliev
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Department of Instruments and Methods of Polarization Measurements of St. Petersburg State University of Information Technologies, Mechanics and Optics; Head of Department


M. E. Vznuzdaev
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Department of Instruments and Methods of Polarization Measurements of St. Petersburg State University of Information Technologies, Mechanics and Optics; Senior Scientist


N. I. Voropaev
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Senior Scientist


P. . Kammel
University of Washington, Seattle, USA; Professor


P. A. Kravtsov
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Department of Instruments and Methods of Polarization Measurements of St. Petersburg State University of Information Technologies, Mechanics and Optics; Senior Scientist


A. V. Nadtochy
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Senior Scientist


G. E. Petrov
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS ; Leading Engineer


C. . Petitjean
Switzerland; Leading Researcher; Paul Sherrer Institute


V. A. Trofimov
B. P. Konstantinov Petersburg Nuclear Physics Institute RAS; Department of Instruments and Methods of Polarization Measurements of St. Petersburg State University of Information Technologies, Mechanics and Optics;; Senior Scientist


Abstract.   The experimental goal of MuSUN experiment at Paul Scherrer Institute (PSI) is a high-precision measurement of the rate for μ-meson capture by deuteron to better than 1,5 %. Experimental technique based on Cryogenic Time Projection Chamber (CryoTPC) specially developed at St. Petersburg Nuclear Physics Institute is applied. The chamber is filled with deuterium of ultra-high isotopic and chemical purity. The detector is cooled by closed neon circulation system. Basic operation principles of the CryoTPC and its cooling system are described.
Keywords: time projection chamber, м-meson capture, deuterium, cryogenics.