Re: [BLAST_ANAWARE] fitting coplanarity peaks--more to come

From: Chris Crawford (chris2@lns.mit.edu)
Date: Thu Nov 14 2002 - 01:26:39 EST


hi everyone,
    genya has a good point about the coplanarity plot (ptl:ptr) not having a
slope of exactly -1
--chris

Genya wrote:

> Chris,
> It appears that you are using R="ptl+ptr" as a coplanarity cut.
> I just want to remind you that actually R="ptl+ptr*k" is a much better
> option. Parameter k depends on the actual distance from the target to the
> ddetectors, and detector sizes, and it may range from 0.6 to 1.4. Using
> this form improve "coplanarity resolution" by at least factor of 2.
> Genya



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