Experiment of positron generation using a crystal target at the KEK electron/positron linac; Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms; Vol. 173, iss. 1-2 : Radiation from Relativistic Electrons in Periodic Structures
| Parent link: | Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms: Scientific Journal.— , 1984- Vol. 173, iss. 1-2 : Radiation from Relativistic Electrons in Periodic Structures.— 2001.— [P. 104-111] |
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| Altres autors: | , , , , , , , , , , , , , , , , |
| Sumari: | Title screen We have performed an experiment of positron generation using a crystal target at an electron/positron linac at KEK. The target consists of a tungsten crystal to emit photons and an amorphous tungsten for pair creation, whose thicknesses are 0.5 and 2.0 radiation length, respectively. When the ?1 1 1? crystal axis is oriented parallel to the 3 GeV incident electron beam, the positron yield is enhanced by 40% compared to values for the disoriented crystal. No effect of injecting intense ultra-short electron bunches on the crystalline structure is observed. The crystal orientation dependence of the positron yield as well as the enhancement factor can be explained by a simulation assuming a coherent bremsstrahlung process of the electron in the crystal. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | anglès |
| Publicat: |
2001
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| Matèries: | |
| Accés en línia: | http://dx.doi.org/10.1016/S0168-583X(00)00195-6 |
| Format: | xMaterials Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643847 |
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| 200 | 1 | |a Experiment of positron generation using a crystal target at the KEK electron/positron linac |f M. Inoue, S. Takenaka, I. Endo [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a We have performed an experiment of positron generation using a crystal target at an electron/positron linac at KEK. The target consists of a tungsten crystal to emit photons and an amorphous tungsten for pair creation, whose thicknesses are 0.5 and 2.0 radiation length, respectively. When the ?1 1 1? crystal axis is oriented parallel to the 3 GeV incident electron beam, the positron yield is enhanced by 40% compared to values for the disoriented crystal. No effect of injecting intense ultra-short electron bunches on the crystalline structure is observed. The crystal orientation dependence of the positron yield as well as the enhancement factor can be explained by a simulation assuming a coherent bremsstrahlung process of the electron in the crystal. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms |o Scientific Journal |d 1984- | ||
| 463 | |t Vol. 173, iss. 1-2 : Radiation from Relativistic Electrons in Periodic Structures |v [P. 104-111] |d 2001 | ||
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| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Endo |b I. | |
| 701 | 1 | |a Yoshida |b K. | |
| 701 | 1 | |a Takahashi |b T. | |
| 701 | 1 | |a Iinuma |b M. | |
| 701 | 1 | |a Bogdanov |b A. V. |c physicist |c Senior Lecturer of Tomsk Polytechnic University |f 1974- |g Aleksey Viktorovich |3 (RuTPU)RU\TPU\pers\34312 |9 17821 | |
| 701 | 1 | |a Кольчужкин |b А. М. |c российский физик-ядерщик |c профессор кафедры экспериментальной ядерной физики Томского политехнического университета |f 1935- |g Анатолий Михайлович |3 (RuTPU)RU\TPU\pers\19798 | |
| 701 | 1 | |a Potylitsyn |b A. P. |c Russian physicist |c Professor of the TPU |f 1945- |g Alexander Petrovich |3 (RuTPU)RU\TPU\pers\26306 |9 12068 | |
| 701 | 1 | |a Vnukov |b I. E. | |
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