We had a fairly stable trigger rate up to day 65 then, after some days of variablility, a stable rate after day 79. Stephen & I had a look at the pion rates between runs in the earlier and later stable periods.

Normalising to BBC MB rate:

RUN         PIONS   BBCx10**9   PIONS/BBC*10**9    JP2/BBC*10**9

R12064078  22996   1670*956705= 1.6       14393              115752

R12083055  36393   2892*713997= 2.1       17625              141938

The ratio of Pion Yields was 17625/14393 -> 22% increase in pion yield

The ratio of JP2 triggers was 141938./115752 -> 23% increase in JP2