The radiation emitted by 180-GeVc volume-reflected electrons and positrons impinging on a bent crystal has been measured by the H8RD22 Collaboration on the H8 beamline at the CERN SPS. A dedicated spectrometer has been developed to measure high-energy photon spectra _up to _100 GeV_ under volume reflection: photon and charged particle beams have been separated by a bending magnet and leptons were detected and tagged by microstrip silicon detectors and a Pb-scintillator sampling calorimeter. A comparison between the experimental and analytical data for the amorphous and volume-reflection cases is presented and the differences are discussed.
Experimental study of the radiation emitted by 180-GeV/c electrons and positrons volume-reflected in a bent crystal / Scandale, W., Vomiero, A., Baricordi, S., Dalpiaz, P., Fiorini, M., Guidi, V., Mazzolari, A., Milan, R., Della Mea, G., Ambrosi, G., Bertucci, B., Burger, W.J., Duranti, M., Zuccon, P., Cavoto, G., Iacoangeli, F., Luci, C., Pisano, S., Santacesaria, R., Valente, P., et al.. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - STAMPA. - 79:1(2009), pp. 012903-1-012903-9. [10.1103/PhysRevA.79.012903]
Experimental study of the radiation emitted by 180-GeV/c electrons and positrons volume-reflected in a bent crystal
Della Mea, Gianantonio;P. Zuccon;
2009-01-01
Abstract
The radiation emitted by 180-GeVc volume-reflected electrons and positrons impinging on a bent crystal has been measured by the H8RD22 Collaboration on the H8 beamline at the CERN SPS. A dedicated spectrometer has been developed to measure high-energy photon spectra _up to _100 GeV_ under volume reflection: photon and charged particle beams have been separated by a bending magnet and leptons were detected and tagged by microstrip silicon detectors and a Pb-scintillator sampling calorimeter. A comparison between the experimental and analytical data for the amorphous and volume-reflection cases is presented and the differences are discussed.| File | Dimensione | Formato | |
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PhysRevA 79-2009- 1 012903.pdf
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