Dear Flemming,
in your plot I presume that the left hand plots
are 22GeV and the right ones (with high statistics) 100GeV. The
mean multiplicities seem to be almost equal in both tubes.
So I don't understand why you said their were 1/3 as many hits.
Yours Michael
>
> I regard to the 22 GeV running the proposal for running is
> - change ZDC HV to accomodate for lower gain. Since the beam will not be
> rebunched just take data with trigger 1 i.e. BB(L) BB(R) coinc.
> this has a resonmable effeciency, but will clearly drop off for less
> central coll. I attach a simulation for 22 GeV Hijing hit multiplicity
> for
> central BBL and BBr. The #hits is ~1/3 at 200 geV, but do also have
> wider fluctuations. Never the less it looks resonable efficient for
> those collisions.
>
> regards
> Flamming
> ------------------------------------------------------
> Flemming Videbaek
> Physics Department
> Brookhaven National Laboratory
>
> tlf: 631-344-4106
> fax 631-344-1334
> e-mail: videbaek@bnl.gov
>
Michael Murray, Cyclotron TAMU, 979 845 1411 x 273, Fax 1899
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