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A neutron irradiation facility featuring cryogenic temperatures and dedicated to Large Hadron Collider detector design |
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| Authors: | J. Collot P. De Saintignon P. Gabor A. Hoummada G. Mahout D. Marchand F. Merchez E.Le n Flori n C. Leroy Ph. Jean B. Merkel |
| Affiliation: | aInstitut des sciences nucléaires de Grenoble, CNRS IN2P3 - Université Joseph Fourier, 53, Av. des Martyrs, 38026 Grenoble Cedex, France bUniversité de Montréal, Centre de physique nucléaire, C.P. 6128, succursale “A” Montréal, Québec H3C3J7, Canada cLaboratoire de l'accélérateur linéaire d'Orsay, CNRS IN2P3 - Université de Paris Sud, Bâtiment 200, F91405 Orsay Cedex, France |
| Abstract: | The SARA facility at Grenoble provides the possibility to carry out neutron irradiation studies at both cryogenic and room temperatures, and permits at the same time to measure on-line the deterioration of the electronic performance of the tested circuits. The cryogenic vessel consists of a 101 liquid argon cryostat placed behind the neutron source. A TOF technique was used to measure the neutron energy spectrum produced by the collision of a 20 MeV deuteron beam on a thick Be target. Alanine and thermoluminescent dosimeters were used to determine the neutron and photon doses. The results show that the neutron and the gamma dose components are about 78% and 22%, respectively. The angular distribution of the dose was also measured. |
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