| OCR Text |
Show 82 mesons, rate in and thus 54 is 54 is as reasonably constant*. thresholds, rate. The Cl depends s,ensitively illustrated in Fig. A3.1. as known flux df penetrating particles. Sl' although the No photomultiplier a 3. G1C1G2S1C2-1 Cl had to G1C1G2S1C2lS4L-l ditional check f'S on the very the a tendency to pull very sensitive test at its normal threshold. mesons stable throughout the experimet, although The rate of this event rate. performance of both "leaking" by 54 through the ... a (See Fig. A3.1). 5. Picture taking rate, day's of corners run : 51' 52 S4s. (roughly of the overall provides an ad These events consist C2 and 54. G1C1G251C2-1S4L-l is calculated at the end of each 800 and S3. The picture rate pictures). provides a quite reliable test paratus, with a good statistical sample for daily comparison. rate on Even so, its calibration The rate of this event is rate. the rate varied somewhat of slow primarily seriously affected. C2 threshold remained 4. Cl instability has been experienced faces in C2, since 'C2 efficiently rejects fast The through and 51 calculation based away from their counter windows from time to time. not upon the The event is due The measured rate agrees with of fast's never threshold for this event only is set ,to 20 fast mesons. was background, rate is of use counting impractical. Then the rate of this event with 54 counting threshold test for 54, since the a 2, G1C1G251 mv. The The one. low energy cosmic ray and radioactive largely whose intensity is theless used reliable test, though not the only a performance This of the ap- *Constant until fall-out from atom-bomb tests in Nevada increased the S4s, Gl,and G2 rates drastically. |
