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001 643847
005 20231030040557.0
035 _a(RuTPU)RU\TPU\network\8846
090 _a643847
100 _a20151007a2001 k y0engy50 ba
101 0 _aeng
102 _aNL
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aExperiment of positron generation using a crystal target at the KEK electron/positron linac
_fM. Inoue, S. Takenaka, I. Endo [et al.]
203 _aText
_celectronic
300 _aTitle screen
330 _aWe 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 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
_oScientific Journal
_d1984-
463 _tVol. 173, iss. 1-2 : Radiation from Relativistic Electrons in Periodic Structures
_v[P. 104-111]
_d2001
610 1 _aтруды учёных ТПУ
610 1 _aэлектронный ресурс
701 0 _aInoue
_bM.
701 1 _aTakenaka
_bS.
701 1 _aEndo
_bI.
701 1 _aYoshida
_bK.
701 1 _aTakahashi
_bT.
701 1 _aIinuma
_bM.
701 1 _aBogdanov
_bA. V.
_cphysicist
_cSenior Lecturer of Tomsk Polytechnic University
_f1974-
_gAleksey Viktorovich
_2stltpush
_3(RuTPU)RU\TPU\pers\34312
701 1 _aКольчужкин
_bА. М.
_cроссийский физик-ядерщик
_cпрофессор кафедры экспериментальной ядерной физики Томского политехнического университета
_f1935-
_gАнатолий Михайлович
_2stltpush
_3(RuTPU)RU\TPU\pers\19798
701 1 _aPotylitsyn
_bA. P.
_cRussian physicist
_cProfessor of the TPU
_f1945-
_gAlexander Petrovich
_2stltpush
_3(RuTPU)RU\TPU\pers\26306
701 1 _aVnukov
_bI. E.
701 1 _aOkuno
_bH.
701 1 _aAnami
_bS.
701 1 _aEnomoto
_bA.
701 1 _aFurukawa
_bK.
701 1 _aKamitani
_bT.
701 1 _aOgawa
_bY.
701 1 _aOhsawa
_bS.
801 2 _aRU
_b63413507
_c20220405
_gRCR
856 4 _uhttp://dx.doi.org/10.1016/S0168-583X(00)00195-6
942 _cCF