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Re: diffractive analysis
Hi Ryan,
thank you very much for all the informations.
Nobody else will be presenting diffractive FOCUS results at
the Photon2003 conference, but we don't have new results
from focus-6pi or kkpipi ready to be shown at the conference.
see you next week,
ciao Monica
============================================================================
Dr. Monica Bertani
Laboratori Nazionali di Frascati phone : +39 06 94032760
dell'INFN - Alte Energie fax : +39 06 94032427
Via Enrico Fermi, 40 e-mail: monica.bertani@lnf.infn.it
00044 Frascati (Italy)
============================================================================
On Fri, 28 Mar 2003, Ryan E. Mitchell wrote:
> Hi Monica,
>
> I've attached the code I used for the beam direction corrections. The
> data file has the format...
>
> (total number of runs)
> (run number) (cosx) (cosy) (cosz) (number of events in run)
> (run number) (cosx) (cosy) (cosz) (number of events in run)
> .
> .
> .
>
> where cosx, cosy, and cosz are the three direction cosines for the
> corrected beam direction. I read the data into a FORTRAN "structure"
> which you might need to change into a set of independent arrays, but
> other than that it should be ready to run.
>
>
> There is more documentation here...
>
> http://utkhep.phys.utk.edu/~ryan/focus0202/beam/beam.html
>
> The corrections I've attached are from method 2.
>
>
> I use run numbers from 6054 to 14547. I'm pretty sure the target is
> always BeO in the runs I use, but I should double check. I don't use run
> numbers 7440 to 7492 because of problems with the particle id.
>
>
> Also, I'll be presenting the KK(1750) data at Photon 2003 in Frascati in a
> few weeks. Will anyone else be presenting diffractive FOCUS results?
> If not, should I include any new results from 6pi or kkpipi?
>
> Ryan
>
>
> On Fri, 28 Mar 2003, Monica Bertani wrote:
>
> >
> >Dear Ryan,
> >I'm working at the 1.9 GeV dip in Focus data, and I would
> >like to apply your run-dependent corrections to the photon
> >beam direction. Can you please send me the relative table
> >and code?
> >Also John Cumalat at the Mexico meeting said that you have
> >selected a particular run period based on target configuration.
> >Can you comment? The problem is that I'm seeing a diffractive
> >slope for pt2 for my 6pion sample (B=39) very different from yours
> >(B=69).
> >
> >thank you very much,
> >ciao Monica
> >
> >============================================================================
> >Dr. Monica Bertani
> >Laboratori Nazionali di Frascati phone : +39 06 94032760
> >dell'INFN - Alte Energie fax : +39 06 94032427
> >Via Enrico Fermi, 40 e-mail: monica.bertani@lnf.infn.it
> >00044 Frascati (Italy)
> >============================================================================
> >
> >
> >