Experimental study of positron production from a 2.55-mm-thick silicon crystal target using 8-GeV electron beams with high-bunch charges; Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms; Vol. 252, iss. 1

Experimental study of positron production from a 2.55-mm-thick silicon crystal target using 8-GeV electron beams with high-bunch charges; Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms; Vol. 252, iss. 1

Manylion Llyfryddiaeth
Parent link:Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.— , 2006
Vol. 252, iss. 1.— 2006.— P. 142-147
Awduron Eraill: Suwada T., Furukawa K., Kamitani T., Satoh M., Sugimura T., Umemori K., Okuno H., Hamatsu R., Yoshida K., Potylitsyn A. P. Alexander Petrovich, Tropin I. S., Chehab R.
Crynodeb:We have investigated quenching phenomena of channeling radiation through positron production from a silicon crystal hit by a single-bunch electron beam with high-bunch charge at the 8-GeV electron/positron injector linac. The crystal axis, 1 1 0, was aligned to the electron beam with a precise goniometer, and positrons produced in the forward direction with a momentum of 20 MeV/c were detected with a magnetic spectrometer. Positron yields were measured by varying the charge in a bunch with a typical bunch length of 10 ps from 0.1 nC to 2 nC. The corresponding instantaneous current density ranged from 0.15 × 104 to 1.2 × 104 A/cm2. The results show that, at these current densities, the positron yield is proportional to the bunch charge within the experimental accuracy, which implies that no non-linear phenomena are observed in channeling radiation.
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Cyhoeddwyd: 2006
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KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=595877

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