TARGETS AND DEGRADERS FOR RELATIVISTIC HEAVY-IONS AT GSI

被引：15

作者：

FOLGER, H

GEISSEL, H

HARTMANN, W

KLEMM, J

MUNZENBERG, G

SCHARDT, D

SCHMIDT, KH

THALHEIMER, W

机构：

[1] Gesellschaft für Schwerionenforschung, W-6100 Darmstadt

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 303卷 / 01期

关键词：

D O I：

10.1016/0168-9002(91)90759-J

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

At GSI accelerator beams are now available from 0.045 to 2000 MeV/u; therefore heavy-ion targets of a wide variety have to be prepared in thicknesses from approximately 2 x 10(-3) to approximately 5 x 10(4) mg/cm2. Range values of U-238 beams in various targets for energies up to 1 GeV/u are illustrated as well as ranges of 1-GeV/u projectiles in some targets, and practicable target thicknesses for relativistic ions are discussed. The new water-cooled target system with target screws and the ion-optical fragment energy degrader system consisting of plane plates, wedged plates and wedged discs to be used in the fragment separator are described in detail.

引用

页码：24 / 33

页数：10

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