Liquid Hydrogen Target for the COMPASS Experiment

被引：1
|
作者：
Bremer, J. [1 ]
Doshita, N.
Dufay-Chanat, L. [1 ]
Geyer, R.
Mallot, G. K.
Pirotte, O. [1 ]
Vullierme, B. [1 ]
机构：
[1] CERN, Dept Technol, CH-1211 Geneva 23, Switzerland
来源：
ADVANCES IN CRYOGENIC ENGINEERING | 2014年 / 1573卷
关键词：
D O I：
10.1063/1.4860682
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A liquid hydrogen target has been developed for the COMPASS experiment at CERN. The target has a diameter of 40 mm and a length of 2.5 meter, creating an active volume of about 3 liter of liquid hydrogen. The cylindrical part of the target wall is formed by a Kapton (R) foil strip, wound and glued to a thickness of 0.125 mm. The Kapton r foil is used to minimize the energy loss of the particles, scattered or created within the target volume, crossing the target boundary. The two end-caps enclosing the target volume have been fabricated from Mylar (R). The system is cooled with a 30 W at 20 K cryocooler, delivering the cooling capacity for the cool-down as well as for the continuous operation of the system.
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收藏
页码：52 / 57
页数：6
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