Resistive plate chambers for precise measurement of high-momentum protons in short range correlations at R3B
Artikel i vetenskaplig tidskrift, 2023
The Reactions with Relativistic Radioactive Beams (R3B) collaboration of the Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, has constructed an experimental setup to perform fundamental studies of nuclear matter, using as a probe reactions with exotic nuclei at relativistic energies. Among the various detection systems, one of the most recent upgrades consists of the installation of a large area, around 2 m2, multi-gap Resistive Plate Chamber (RPC). The chamber is equipped with twelve 0.3mm gaps and readout by 30mm pitch strips, exhibiting a timing precision down to 50 ps and efficiencies above 98% for minimum ionizing particles in a previous characterization of the detector. The RPC was part of the setup of the FAIR Phase 0 experiment that focused on measuring for the first time, in spring 2022, nucleon–nucleon short-range correlations (SRC) inside an exotic nucleus (16C). The excellent timing precision of this detector will allow the measurement of the forward emitted proton momentum with a resolution of around 1%. In beam measurements show an RPC efficiency above 95% and a time precision better than 100 ps (including the contribution of a reference scintillator and the momentum spread of the particles) for forward emitted particles.
Short range correlations
Time of flight
Gaseous detectors
Timing
Resistive plate chamber
Författare
M. Xarepe
Laboratório de Instrumentação e Física Experimental de Partículas
Universidade de Lisboa
T. Aumann
Technische Universität Darmstadt
Helmholtz
A. Blanco
Laboratório de Instrumentação e Física Experimental de Partículas
A. Corsi
Université Paris-Saclay
D. Galaviz
Universidade de Lisboa
Laboratório de Instrumentação e Física Experimental de Partículas
Håkan T Johansson
Chalmers, Fysik, Subatomär, högenergi- och plasmafysik
S. Linev
Helmholtz
B. Loher
Helmholtz
L. Lopes
Laboratório de Instrumentação e Física Experimental de Partículas
J. Michel
Johann Wolfgang Goethe Universität Frankfurt am Main
V. Panin
Helmholtz
D. Rossi
Technische Universität Darmstadt
Helmholtz
J. Saraiva
Laboratório de Instrumentação e Física Experimental de Partículas
Hans Törnqvist
Chalmers, Fysik, Subatomär, högenergi- och plasmafysik
M. Traxler
Helmholtz
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
0168-9002 (ISSN)
Vol. 1055 168445Ämneskategorier
Acceleratorfysik och instrumentering
Subatomär fysik
DOI
10.1016/j.nima.2023.168445