Characteristics of magnetic shields for protection PMT in the LHCb hadron calorimeter

International Conference on Particle Physics and Astrophysics

物理学;天文学

Dmitrenko, V.V.^1 ; Vlasik, K.F.^1 ; Grachev, V.M.^1 ; Muravyev-Smirnov, S.S.^1 ; Novikov, A.S.^1 ; Ulin, S.E.^1 ; Uteshev, Z.M.^1 ; Shustov, A.E.^1 ; Petrenko, D.V.^1 ; Chernysheva, I.V.^1 ; Lobova, E.I.^1 ; Nepochataya, O.E.^1

National Research Nuclear University MEPhI, Moscow Engineering Physics Institute, Kashirskoe highway 31, Moscow

115409, Russia^1

关键词: Hadron calorimeters;    Manufacturing techniques;    Photomultiplier tube;    Ship experiments;    Technological solution;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/798/1/012139/pdf
DOI  :  10.1088/1742-6596/798/1/012139

学科分类：天文学(综合)

来源: IOP

【 摘 要 】

CERN is preparing the new experiment aimed at the detection of weakly interacting massive long-lived particles. The experiment was called SHiP. The instrumental and technological solutions successfully used in experimental setups ATLAS, LHCb and others will be applied in experimental setup SHiP. One of these units is a hadrons calorimeter. It uses several thousands photomultiplier tubes (PMT) placed in protective magnetic shields because PMTs are located near strong permanent magnets. Taking into account that since the creation of the experimental setup LHCb has been passed more than 10 years and there are new manufacturing techniques of magnetic screens appeared, we investigate the characteristics of shielding screens used in the LHCb, and proposed the recommendations to magnetic screens' designs for SHiP experiment.