A Low Energy Antineutron Detector

Author

Bressani, Tullio ; Chiavassa, Emilio ; Costa, Sergio ; Dellacasa, Giuseppe ; De Marco, Nora ; Gallio, Mauro ; Musso, Alfredo ; Vercellin, Ermanno ; Morandin, Mauro ; Voci, Cesare ; Iazzi, Felice ; Minetti, Bruno ; Serci, Sergio

Author_Institution

Istituto di Fisica Superiore dell´´UniversitÃ\xa0 di Torino, 10125 Torino, Italy Istituto Nazionale di Fisica Nucleare, Sezione di Torino, 10125 Torino, Italy

Volume

32

Issue

1

fYear

1985

Firstpage

733

Lastpage

735

Abstract

A detector for antineutrons in the momentum range 0.1 - 1 Gev/c, to be used at LEAR faci= lity at CERN, is described. The antineutrons are detected by means of the charged pions produced in an annihilation event and their energy is determined by a time of flight mea= surement. The detector consist of 10 equal modules; each one contains: an iron slab (the converter) of 20Ã—20Ã—1 cm , a scintillation of the same dimensions for T.O.F. measurements, an iron sheet of 100Ã—100Ã—0.2 cm that stops the low energy high ionizing particles and finally a plane of limited streamer tubes with 1 cm pitch and read-out on both horizontal and vertical cohordinates. Principal features of the detector are: T.O.F. resolution of 0.5 ns, spatial resolution of 1 cm in both vertical and horizontal directions, estimated efficien= cy of 0.65.

Keywords

Computer vision; Energy measurement; Energy resolution; Event detection; Iron; Mesons; Particle measurements; Slabs; Solid scintillation detectors; Spatial resolution;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/TNS.1985.4336932

Filename

4336932