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Volume reflection dependence of 400 GeV/c protons on the bent crystal curvature.
Scandale, W; Vomiero, A; Baricordi, S; Dalpiaz, P; Fiorini, M; Guidi, V; Mazzolari, A; Milan, R; Della Mea, Gianantonio; Ambrosi, G; Bertucci, B; Burger, W J; Duranti, M; Zuccon, P; Cavoto, G; Iacoangeli, F; Luci, C; Pisano, S; Santacesaria, R; Valente, P; Vallazza, E; Afonin, A G; Chesnokov, Yu A; Kotov, V I; Maisheev, V A; Yazynin, I A; Kovalenko, A D; Taratin, A M; Denisov, A S; Gavrikov, Yu A; Ivanov, Yu M; Lapina, L P; Malyarenko, L G; Skorobogatov, V V; Suvorov, V M; Vavilov, S A; Bolognini, D; Hasan, S; Lietti, D; Mozzanica, A; Prest, M.
Afiliación
  • Scandale W; CERN, European Organization for Nuclear Research, CH-1211 Geneva 23, Switzerland.
Phys Rev Lett ; 101(23): 234801, 2008 Dec 05.
Article en En | MEDLINE | ID: mdl-19113559
ABSTRACT
The trend of volume reflection parameters (deflection angle and efficiency) in a bent (110) silicon crystal has been investigated as a function of the crystal curvature with 400 GeV/c protons on the H8 beam line at the CERN Super Proton Synchrotron. This Letter describes the analysis performed at six different curvatures showing that the optimal radius for volume reflection is approximately 10 times greater than the critical radius for channeling. A strong scattering of the beam by the planar potential is also observed for a bend radius close to the critical one.
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2008 Tipo del documento: Article País de afiliación: Suiza
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2008 Tipo del documento: Article País de afiliación: Suiza