Observation of Multiple Volume Reflection of Ultrarelativistic Protons by a Sequence of Several Bent Silicon Crystals
Journal Article
·
· Physical Review Letters
- CERN, European Organization for Nuclear Research, CH-1211 Geneva 23 (Switzerland) and INFM-CNR, Via Vallotti 9, 25133 Brescia (Italy) and INFN Sezione di Ferrara and Universita degli Studi di Ferrara, Dipartimento di Fisica, Via Saragat 1, 44100 Ferrara (Italy)
The interactions of 400 GeV protons with different sequences of bent silicon crystals have been investigated at the H8 beam line of the CERN Super Proton Synchrotron. The multiple volume reflection of the proton beam has been studied in detail on a five-crystal reflector measuring an angular beam deflection {theta}=52.96{+-}0.14 {mu}rad. The efficiency was found larger than 80% for an angular acceptance at the reflector entrance of 70 {mu}rad, with a maximal efficiency value of {epsilon}=0.90{+-}0.01{+-}0.03.
- OSTI ID:
- 21180239
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 102; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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