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Physics > Instrumentation and Detectors

arXiv:1512.08881 (physics)
[Submitted on 30 Dec 2015]

Title:Dual Position Sensitive MWPC for tracking reaction products at VAMOS++

Authors:Marine Vandebrouck, Antoine Lemasson, Maurycy Rejmund, Georges Fremont, Julien Pancin, Alahari Navin, Caterina Michelagnoli, Johan Goupil, Charles Spitaels, Bertrand Jacquot
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Abstract:The characteristics and performance of a Dual Position Sensitive Multi-Wire Proportional Counter (DPS-MWPC) used to measure the scattering angle, interaction position on the target and the velocity of reaction products, detected in the VAMOS++ magnetic spectrometer, are reported. The detector consists of a pair of position sensitive low pressure MWPCs and provides both fast timing signals, along with the two-dimensional position coordinates required to define the trajectory of the reaction products. A time-of-flight resolution of 305(11) ps (FWHM) was measured. The measured resolutions (FWHM) were 2.5(3) mrad and 560(70) {\mu}m for the scattering angle and the interaction point at the target respectively. The subsequent improvement of the Doppler correction of the energy of the gamma-rays, detected in the gamma-ray tracking array AGATA in coincidence with isotopically identified ions in VAMOS++, is also discussed.
Comments: Accepted for publication in Nuclear Inst. and Methods in Physics Research, A
Subjects: Instrumentation and Detectors (physics.ins-det); Nuclear Experiment (nucl-ex)
Cite as: arXiv:1512.08881 [physics.ins-det]
  (or arXiv:1512.08881v1 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.1512.08881
Related DOI: https://doi.org/10.1016/j.nima.2015.12.040

Submission history

From: Antoine Lemasson [view email]
[v1] Wed, 30 Dec 2015 08:49:30 UTC (9,311 KB)
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