A FOCAL-PLANE DETECTOR FOR THE RECOIL-MASS SPECTROMETER OF LNL

被引:9
|
作者
GUERRIERI, A
MARON, G
MONTAGNOLI, G
NAPOLI, DR
PRETE, G
机构
[1] INFN, Laboratori Nazionali di Legnaro, Legnaro, Padua
关键词
D O I
10.1016/0168-9002(90)90763-V
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A focal-plane detector for a recoil-mass spectrometer has been developed. It consists of a 14 x 14 cm2 position-sensitive parallel-plate avalanche counter backed by a 43 cm long Bragg chamber. Both detectors work in the same gas volume thus reducing the dead layers. The intrinsic resolution of the position detector is +/- 0.5 mm, and an overall timing resolution of 660 ps FWHM was measured with 5.5 MeV alpha-particles. The Bragg chamber allows the identification of elements with energy high enough to overcome the Bragg peak: in all cases it allows the separation between the reaction channels and the beam scattering. The detector has already been used with a good reliability in a variety of transfer and fusion experiments at the LNL Recoil mass Spectrometer.
引用
收藏
页码:133 / 142
页数:10
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