Письма в ЖЭТФ,
2015 , том 101, выпуск 10, страницы 755–760
(Mi jetpl4634)
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ПОЛЯ, ЧАСТИЦЫ, ЯДРА Comparative results on the deflection of positively and negatively charged particles by multiple volume reflections in a multi-strip silicon deflector W. Scandale abc ,
C. Arduini c ,
M. Butcher c ,
F. Cerutti c ,
M. Garattini c ,
S. Gilardoni c ,
A. Lechner c ,
R. Losito c ,
A. Masi c ,
A. Mereghetti c ,
E. Metral c ,
D. Mirarchi dc ,
S. Montesano c ,
S. Redaelli c ,
R. Rossi bc ,
P. Schoofs c ,
G. Smirnov c ,
C. Bagli e ,
L. Bandiera e ,
S. Baricordi e ,
P. Dalpiaz e ,
G. Germogli e ,
V. Guidi e ,
A. Mazzolari e ,
D. Vincenzi e ,
G. Claps f ,
S. Dabagov fgh ,
D. Hampai f ,
F. Murtas f ,
G. Cavoto b ,
F. Iacoangeli b ,
L. Ludovici b ,
R. Santacesaria b ,
P. Valente b ,
F. Galluccio i ,
A. G. Afonin j ,
Yu. A. Chesnokov j ,
A. A. Durum j ,
V. A. Maisheev j ,
Yu. E. Sandomirskiy j ,
A. A. Yanovich j ,
A. D. Kovalenko k ,
A. M. Taratin k ,
Yu. A. Gavrikov l ,
Yu. M. Ivanov l ,
L. P. Lapina l ,
W. Ferguson d ,
J. Fulcher d ,
G. Hall d ,
M. Pesaresi d ,
M. Raymond d ,
D. Bolognini mn ,
S. Hasan mn ,
M. Prest nm ,
E. Vallazza o a Laboratoire de l’Accelerateur Lineaire (LAL), Universite Paris Sud Orsay, 91898 Orsay France b INFN Sezione di Roma, 00185 Rome, Italy c CERN, European Organization for Nuclear Research, CH-1211 Geneva 23, Switzerland d Imperial College, London, United Kingdom e INFN Sezione di Ferrara, Dipartimento di Fisica, Universita' di Ferrara, 44122 Ferrara, Italy f INFN LNF, 40 00044 Frascati (Roma), Italy g Lebedev Physical Institute of the RAS, 119991 Moscow, Russia h National Research Nuclear University "MEPhI", 119991 Moscow, Russia i INFN Sezione di Napoli, 80126 Napoli, Italy j Institute of High Energy Physics, RU-142284 Protvino, Russia k Joint Institute for Nuclear Research, 141980, Dubna, Russia l Petersburg Nuclear Physics Institute, 188300 Gatchina, Russia m Universita' dell'Insubria, 22100 Como, Italy n INFN Sezione di Milano Bicocca, 20126 Milano, Italy o INFN Sezione di Trieste, 34127 Trieste, Italy Аннотация:
Bent silicon crystals in channeling mode are already used for beam extraction and collimation in particle accelerators. Volume reflection of beam particles is more efficient than beam channeling; however the mean deflection angle is rather small. An experiment on the deflection of a 400 GeV/c proton beam and a 150 GeV/c
$\pi^-$ beam at CERN using a multi-strip silicon deflector in reflection mode is described. The mean deflection angle of beam particles has been considerably increased due to sequential volume reflections realized in the deflector. This gives possibility for a successful usage of the multi-strip deflectors for beam collimation in high energy accelerators.
Поступила в редакцию: 17.04.2015
Язык публикации: английский
DOI:
10.7868/S0370274X15100057
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