Micron-scale laser-wire at the ATF-II at KEK commissioning and results

L. J. Nevay, L. Corner, R. Walczak, G. Blair, S. Boogert, L. Deacon, P. Karataev, A. Aryshev, N. Terunuma, J. Urakawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We present the first results from the commissioning of the upgraded laser-wire experiment at the Accelerator Test Facility 2 (ATF-II) at KEK. A new laser transport line and beam diagnostics were used to collide 150 mJ, 167 ps long laser pulses with 1.28 GeV, 30 ps long electron bunches to measure the vertical transverse size. Additionally, a new detector was installed with a reduced area for lower background. Initial scans showing a convoluted beam size of 18.4 ± 0.4 μm were used to tune the electron beam optics and reduce this down to 8.0 ± 0.3 μm. Laser pulse energy and charge dependency were investigated showing a linear relationship in both with a minimum laser energy of 20 mJ required for adequate signal to make a laser-wire scan.

Original languageEnglish
Title of host publicationIPAC 2011 - 2nd International Particle Accelerator Conference
Pages1401-1403
Number of pages3
Publication statusPublished - 2011
Externally publishedYes
Event2nd International Particle Accelerator Conference, IPAC 2011 - Kursaal, San Sebastian, Spain
Duration: 4 Sep 20119 Sep 2011

Conference

Conference2nd International Particle Accelerator Conference, IPAC 2011
CountrySpain
CityKursaal, San Sebastian
Period4.9.119.9.11

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Nevay, L. J., Corner, L., Walczak, R., Blair, G., Boogert, S., Deacon, L., Karataev, P., Aryshev, A., Terunuma, N., & Urakawa, J. (2011). Micron-scale laser-wire at the ATF-II at KEK commissioning and results. In IPAC 2011 - 2nd International Particle Accelerator Conference (pp. 1401-1403)