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BLIP operations 02-08-11

BLIP operations 02-08-11. Status – running at 117.5MeV

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BLIP operations 02-08-11

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  1. BLIP operations 02-08-11 Status – running at 117.5MeV BLIP weekly average beam increased to 100.0µA, highest this year. Reliability very good with total operating time equal to 159.0 hours including 7.2 hours off for maintenance. Isotope production of Sr-82, and Be-7 continued, along with LBNE targets downstream of the isotope targets. Operations issues Investigation of cause of Ga targets leaks continues. No Ga targets in beam last week. Replaced with an Al disk. Linac prepared new tunes that were measured to actually be narrower than before. The final try yesterday achieved a broader beam spot and a fresh Ga target has been inserted .

  2. Beam profile 2-03-11 FWHM Horizontal = 19mm, Vertical = 13mm FWTM Horizontal = 39mm, Vertical = 26mm

  3. Beam profile 2-07-11 FWHM Horizontal = 19mm, Vertical = 14mm FWTM Horizontal = 41mm, Vertical = 29mm

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