Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model

Dugan, G. F.; Sonnad, K. G.; Cimino, R.; Ishibashi, T.; Schäfers, F.

doi:10.1103/PhysRevSTAB.18.040704

Title: Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model

Abstract

This study compares measurements and calculations of scattering of photons from technical vacuum chamber surfaces typical of accelerators. Synchrotron radiation generated by a charged particle beam in the accelerator is either absorbed, specularly reflected, or scattered by the vacuum chamber surface. This phenomenon has important implications on the operation of the accelerator. Measurements of photon scattering were made at the BESSY-II synchrotron radiation facility using samples of aluminum vacuum chamber from Cornell electron storage ring (CESR). A description of the analytic model used in the calculation is given, which takes into account the reflectivity of the material, the surface features of the sample, the wavelengths and the incident angles of the photons. The surface properties used in these calculations were obtained from measurements made from an atomic force microscope.

Authors:: Dugan, G. F.; Sonnad, K. G.; Cimino, R.; Ishibashi, T.; Schäfers, F.

Publication Date:: Thu Apr 30 00:00:00 EDT 2015

Research Org.:: Cornell Univ., Ithaca, NY (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1182834

Alternate Identifier(s):: OSTI ID: 1454518

Grant/Contract Number:: FC02-08ER41538; SC0006505

Resource Type:: Published Article

Journal Name:: Physical Review Special Topics. Accelerators and Beams

Additional Journal Information:: Journal Name: Physical Review Special Topics. Accelerators and Beams Journal Volume: 18 Journal Issue: 4; Journal ID: ISSN 1098-4402

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Dugan, G. F., Sonnad, K. G., Cimino, R., Ishibashi, T., and Schäfers, F. Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevSTAB.18.040704.

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                    Dugan, G. F., Sonnad, K. G., Cimino, R., Ishibashi, T., & Schäfers, F. Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model.  United States.  https://doi.org/10.1103/PhysRevSTAB.18.040704

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                    Dugan, G. F., Sonnad, K. G., Cimino, R., Ishibashi, T., and Schäfers, F. Thu .  
"Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model".  United States.  https://doi.org/10.1103/PhysRevSTAB.18.040704.

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@article{osti_1182834,

  title        = {Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model},

  author       = {Dugan, G. F. and Sonnad, K. G. and Cimino, R. and Ishibashi, T. and Schäfers, F.},

  abstractNote = {This study compares measurements and calculations of scattering of photons from technical vacuum chamber surfaces typical of accelerators. Synchrotron radiation generated by a charged particle beam in the accelerator is either absorbed, specularly reflected, or scattered by the vacuum chamber surface. This phenomenon has important implications on the operation of the accelerator. Measurements of photon scattering were made at the BESSY-II synchrotron radiation facility using samples of aluminum vacuum chamber from Cornell electron storage ring (CESR). A description of the analytic model used in the calculation is given, which takes into account the reflectivity of the material, the surface features of the sample, the wavelengths and the incident angles of the photons. The surface properties used in these calculations were obtained from measurements made from an atomic force microscope.},

  doi          = {10.1103/PhysRevSTAB.18.040704},

  journal      = {Physical Review Special Topics. Accelerators and Beams},

  number       = 4,

  volume       = 18,

  place        = {United States},

  year         = {Thu Apr 30 00:00:00 EDT 2015},

  month        = {Thu Apr 30 00:00:00 EDT 2015}

}

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Works referenced in this record:

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Cimino, Roberto
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Title: Measurements of x-ray scattering from accelerator vacuum chamber surfaces, and comparison with an analytical model

Abstract

Citation Formats

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