CLEARING TIME IN MAGNETIC FIELD SPARK CHAMBERS
Technical Report
·
OSTI ID:4777299
Electric fields commonly used to reduce sensitive time in a spark chamber introduce some problems, such as shifts in spark positions, when the spark chamber is used in a magnetic field. The usefulness of chemical clearing agents (gases with electron affinity) should not, however, be affected by magnetic fields. It is found that 1/2% SO/sub 2/ in Ne at 1.3 atm. in a spark chamber with 50 3-mm gaps reduces track efficiency at 2 mu sec total delay to less than 20% of the efficiency at 0.39 mu sec, and is substantially unaffected by 10 kgauss field, while 1% SO/sub 2/ clears even faster. (auth)
- Research Organization:
- Princeton-Pennsylvania Accelerator, PPrinceton, N.J.
- NSA Number:
- NSA-17-003311
- OSTI ID:
- 4777299
- Report Number(s):
- PPAD-454E
- Country of Publication:
- United States
- Language:
- English
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