Hi Christian,
You are refering to BAN34 in your mails.
BAN34 is "Reconstructed tracks from T3 detector" (P. Staszel).
Nothing to do with centrality!!
Regards,
Fouad
----------------------------------------------------------------------------
Fouad RAMI e-mail : fouad.rami@ires.in2p3.fr
IReS phone : 33.(0)3.88.10.62.00
23,rue du Loess : 33.(0)3.88.10.64.55
B.P.28-BAT.20 (secretary's office)
67037 STRASBOURG CEDEX 2 fax : 33.(0)3.88.10.66.14
FRANCE
-----------------------------------------------------------------------
On Wed, 5 Sep 2001, Christian Holm Christensen wrote:
> Hi Steve,
>
> On Wed, 05 Sep 2001 10:31:06 -0500
> "Stephen J. Sanders" <ssanders@ku.edu> wrote
> concerning "Re: Centrality methods (was Re: BRAT 2.0.35)":
> > Hi,
> > I think this flap might be over a misunderstanding. As I understand
> > the current brat structure, the analysis Hiro and I are doing does not
> > depend on, or use, the deleted classes.
>
> Correct.
>
> > We rely on the Si and Tile Rdo Modules as well as the
> > MultCentModule. From Christian's note, I don't believe these have
> > been changed.
>
> Also correct.
>
> > I believe Hiro's response was based on the belief that the current
> > centrality analysis structure was unilaterally removed.
>
> Yes, that was my feeling too.
>
> > I would like to note that there is considerable effort going into
> > getting correct calibrations for the 200 A-GeV data.
>
> Looking forward to see that. Also, could you please make your
> calibration code avaliable in a form that is useable by others than
> you and Hiro - that is, in the form of BRAT modules. Good inspiration
> can be found in modules/calib/tof, modules/calib/chkv, etc.
>
> I've just started to make a small application that will import last
> years calibrations in to the MySQL database on rcas0005. I should
> hopefully be done by the end of the week.
>
> > This is a necessary preamble for ANY centrality based on the
> > multiplicity array.
>
> See, that was really the point of BAN 34, to show that you don't need
> the full multiplicity calibrations for the centrality. All you need
> for a SDE centrality is pedestal, pedestal width, gain, and for the
> TMA, adc gap, and for the SMA, pulser correction. That is it. If
> that has not changed from last year, then the new centrality
> calibrations cna be redone in less then 24 hours.
>
> The rest, the conversion, and correction functions which are based (as
> far as I understood from BAN 26) BRAG simulations (which are time
> consuming) are not needed for the SDE centrality.
>
> Could I ask you, to read through BAN 34, and give comments. I really
> think, that I managed to show, that the SDE approach is at least as
> good as the SDM and AM approaches, with the additional adavantage of
> being simpler and faster to calibrate.
>
> Yours,
>
> Christian Holm Christensen -------------------------------------------
> Address: Sankt Hansgade 23, 1. th. Phone: (+45) 35 35 96 91
> DK-2200 Copenhagen N Cell: (+45) 28 82 16 23
> Denmark Office: (+45) 353 25 305
> Email: cholm@nbi.dk Web: www.nbi.dk/~cholm
>
This archive was generated by hypermail 2b30 : Wed Sep 05 2001 - 12:58:25 EDT