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    User name Templon

    Log entry time 01:04:58 on October27,2000

    Entry number 50980

    keyword=replay documentation

    for replay of elastic ep events:
    1) create the appropriate header file. Use header/hdr_eep_80 as a Template
    2) replay some events using file ek/e97111.kumac while run is in progress.
    .... verify that the coinc time (tc variable, not tc_cor) is in the proper window.
    .... window is 180 -- 235 ns for highest mom trigger (1700-4000).
    3) then replay one entire file using the kumac ek/prod_eep.kumac.
    ... check the kumac to make sure certain limits are OK, for example
    ... limits on tc, tc_cor and reactz variables. Make a cross section by
    ... hand using info in runend file. For an example log onto adaql1,
    ... type 'goespace' and look at the file 'csec.py' modify this with
    ... your info (see up top) and perhaps also if you have a better guess
    ... at the effective target length, add this near the bottom. Compare your
    ... answer to Mitchell's cross sections (see halog entry). Worry if you are
    ... off more than a factor of two. Worry even more if you have an intelligent
    ... guess for effective target length and/or solid angle and are off by much.