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P. Bryant et al., “Improvement in Luminosity, Background and Chamber Protection with Beam Scrapers in the ISR”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 799-802. |
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K. Potter and S. Turner, “High Precision Scrapers for ISR Luminosity Measurements”, in Proc. 6th Particle Accelerator Conf. (PAC'75), Washington D.C., USA, Mar. 1975, pp. 1589-1593. |