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Comment for target fiber size

Sep. 2, 2007 JPARC TREK Collaboration meeting at Saskatchewan. Comment for target fiber size. fiber size is to be determined. Target size is fixed to be f 75.

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Comment for target fiber size

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  1. Sep. 2, 2007 JPARC TREK Collaboration meeting at Saskatchewan Comment for target fiber size

  2. fiber size is to be determined. • Target size is fixed to be f75. • From this value, segmentation of fiber is uniquely determined. s [K+ stopping pos. (hit-track) ]= √ s [rdiff ]2 + s [tdiff ] 2rdiff = K+ stopping pos. (true-hit)(determined by fiber size)tdiff = K+ stopping pos. (true-track)(determined by target radius and GEM trackers) • RMS of tdiff is to be 0.1 cm from target size f75. • s(rdif) should be comparable to s(tdif) • If RMS of rdiff is fixed, adequate fiber size is determined ~3mm. phi 100 phi 60 Km3 0.12 cm in RMS 0.07 cm in RMS tdiff tdiff rdiff

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