(starting in the center of VTPC1 going upstream) length Mat Position %int(collision) %int(absorption) cm cm ------ ------ -------- -------------- --------------- 125.5 Ne -440 0.31 0.22 VTPC1(half) 0.0125 Mylar -505 0.030 0.022 2 N2 -506 0.004 0.003 0.0125 Mylar -507 0.030 0.022 21 air -517 0.040 0.030 0.0020 Mylar -528 0.005 0.004 41.6 He -549 0.008 0.006 He-bag 0.0175 Mylar -569 0.040 0.031 4.0 Vacuum -571 0.0 0.0 0.0075 Mylar -573 0.018 0.013 14 H2 -580 2.060 1.578 Target 0.0075 Mylar -587 0.018 0.013 114.0 Vacuum -644 0.0 0.0 0.0050 Mylar -701 0.012 0.009 15 air -708 0.030 0.022 0.0050 Mylar -7578 0.012 0.009 0.2 Scint. -1578 0.364 0.294 S2(Vac) ============================================================= 2.979 2.275 sum (from here on is upstream of V0) 0.0050 Mylar -1639 0.012 0.009 3.0 air -1640 0.006 0.004 0.0062 Mylar -1642 0.015 0.011 BPD2 2.4 Ar(/CH4)-1643 0.006 0.004 BPD2 0.0063 Mylar -1644 0.015 0.011 BPD2 7.6 air -1648 0.015 0.011 0.0050 Mylar -1652 0.012 0.009 Vacuum 0.0050 Mylar -3874 0.012 0.009 3.0 air -3875 0.006 0.004 0.0062 Mylar -3877 0.015 0.011 BPD1 2.4 Ar(/CH4)-3878 0.006 0.004 BPD1 0.0063 Mylar -3879 0.015 0.011 BPD1 8.5 air -3883 0.017 0.013 0.0050 Mylar -3888 0.012 0.009 0.5 Scint. -3946 0.909 0.735 T0 0.5 Scint. -3971 0.909 0.735 S0 distances below are approximate 0.01 Mylar -5440 0.024 0.018 trig4 60.0 air -5470 0.12 0.089 0.04 Alum -5500 0.16 0.11 cedar 607. He -5800 0.096 0.081 cedar 0.04 Alum -6100 0.16 0.11 cedar 50.0 air -6125 0.100 0.074 trig3 0.01 Mylar -6150 0.024 0.018 0.01 Mylar -9975 0.024 0.018 50.0 air -10000 0.100 0.074 trig2 0.01 Mylar -10025 0.024 0.018 ============================================================ 2.8% 2.3% sum
Please send corrections to Herbert Stroebele
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