Radiation measurement around a 10-T superconducting wiggler at SPring-8

被引：0

作者：

Shoji, M ^{[1
]}

Soutome, K ^{[1
]}

Kumagai, N ^{[1
]}

Tada, J ^{[1
]}

Magome, T ^{[1
]}

Oishi, M ^{[1
]}

Ohshima, T ^{[1
]}

Sasaki, S ^{[1
]}

Takao, M ^{[1
]}

Takagi, T ^{[1
]}

Tsumaki, K ^{[1
]}

Yorita, T ^{[1
]}

Yonehara, H ^{[1
]}

Asano, Y ^{[1
]}

机构：

[1] JASRI Spring 8, Hyogo 6795198, Japan

来源：

PROCEEDINGS OF THE 2003 PARTICLE ACCELERATOR CONFERENCE, VOLS 1-5 | 2003年

关键词：

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In August 2002, a 10-T superconducting wiggler was installed in the 8-GeV electron storage ring at SPring-8. High-energy (similar to3MeV) and intense synchrotron radiation was produced from the wiggler, and scattered photons were generated by the interaction of synchrotron radiation with photon absorber materials. The intense radiation environment in the storage ring tunnel damages accelerator components, such as cable insulators and coils for electromagnets. To suppress such damage, it is necessary to understand the dose distribution and the spectrum of scattered photons near the wiggler. The dose distribution and the spectrum of scattered photons from the photon absorber was measured by thermoluminescent dosimeters (LiF TLD) with lead filters (0, 0.5, 1, 3, 6 turn in thickness). At the same time, alanine dosimeters and GafChromic film (made of polyethylene) were used to measure the dose of photons which exceeded the dynamic range of TLD dosimeters. The results of an experimental data analysis showed that, as expected, photons of energies of several hundred keV were scattered over a wide range.

引用

页码：782 / 784

页数：3

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