Liquid hydrogen target for the COMPASS experiment | Zendy

J. Bremer | Zendy; N. Doshita | Zendy; L. Dufay-Chanat | Zendy; R. Geyer | Zendy; G.K. Mallot | Zendy; O. Pirotte | Zendy; B. Vullierme | Zendy

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Liquid hydrogen target for the COMPASS experiment

Author(s) -

J. Bremer,

N. Doshita,

L. Dufay-Chanat,

R. Geyer,

G.K. Mallot,

O. Pirotte,

B. Vullierme

Publication year - 2014

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4860682

Subject(s) - kapton , volume (thermodynamics) , liquid hydrogen , materials science , foil method , hydrogen , cryocooler , optics , polyimide , composite material , physics , mechanical engineering , engineering , layer (electronics) , quantum mechanics

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® foil strip, wound and glued to a thickness of 0.125 mm. The Kapton® 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®. 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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