High-efficiency deflection of high-energy protons through axial channeling in a bent crystal.
Beam deflection due to axial channeling in a silicon crystal bent along the 111 axis was observed with 400 GeV/c protons at the CERN Super Proton Synchrotron. The condition for doughnut scattering of protons by the atomic strings of the crystal was attained. Such a condition allowed one to observe a beam deflection of 50 murad with about 30% efficiency. The contribution of hyperchanneled states of protons to the observed beam deflection was less than 2% according to simulation results.
Scandale
Walter
W
CERN, European Organization for Nuclear Research, Geneva 23, Switzerland.
Vomiero
Alberto
A
Baricordi
Stefano
S
Dalpiaz
Pietro
P
Fiorini
Massimiliano
M
Guidi
Vincenzo
V
Mazzolari
Andrea
A
Della Mea
Gianantonio
G
Milan
Riccardo
R
Ambrosi
Giovanni
G
Bertucci
Bruna
B
Burger
William J
WJ
Zuccon
Paolo
P
Cavoto
Gianluca
G
Luci
Claudio
C
Santacesaria
Roberta
R
Valente
Paolo
P
Vallazza
Erik
E
Afonin
Alexander G
AG
Chesnokov
Yury A
YA
Maisheev
Vladimir A
VA
Yazynin
Igor A
IA
Kovalenko
Alexander D
AD
Taratin
Alexander M
AM
Denisov
Alexander S
AS
Gavrikov
Yury A
YA
Ivanov
Yuri M
YM
Lapina
Lyubov P
LP
Malyarenko
Liudmila G
LG
Skorobogatov
Vyacheslav V
VV
Suvorov
Vsevolod M
VM
Vavilov
Sergey A
SA
Bolognini
Davide
D
Hasan
Said
S
Mozzanica
Aldo
A
Prest
Michela
M