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THE OPTICAL-PROPERTIES OF THE QDQ MAGNETIC SPECTROMETER AT NIKHEF

被引：12
作者：
DEVRIES, L
LANEN, JBJM
BLOK, HP
DEVRIES, H
机构：
[1] FREE UNIV AMSTERDAM,NAT KUNDIG LAB,1007 MC AMSTERDAM,NETHERLANDS
[2] STATE UNIV UTRECHT,RJ NANDEGRAAF LAB,3508 TA UTRECHT,NETHERLANDS
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1990年 / 292卷 / 03期
关键词：
D O I：
10.1016/0168-9002(90)90181-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The optical properties of the large-solid-angle QDQ spectrometer at NIKHEF have been studied. Over the full solid angle a momentum resolution better than 2 × 10-4 for electrons is achieved. By particle back-tracing the target vector can be reconstructed with high precision: 7 mrad (FWHM) angular resolution in the dispersive direction and 8 mrad (FWHM) resolution in the scattering angle. The nondispersive target coordinate can be reconstructed with a resolution better than 1 mm. As a result, (e, e′ p) coincidence experiments, with the QDQ spectrometer used for hadron detection, can be performed with 75 keV (FWHM) missing-energy resolution and a timing resolution better than 1 ns (FWHM). © 1990.
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页码：629 / 642
页数：14
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