Re: [ROOT] Event-Shape-Variables

From: Michael Bussmann (Michael.Bussmann@Physik.uni-muenchen.de)
Date: Mon Nov 12 2001 - 21:50:38 MET


Hi Rene,

Thanks :). I found it in the ROOT-Talk as well but unfortunatly the
library doesn't cover all the things I need. I'm missing Sphericity and
some other things...

Michael

On Mon, 12 Nov 2001, Rene Brun wrote:

> Hi Michael,
>
> In our example of Applications page, we have a reference to URL:
>       ftp://ftp.slac.stanford.edu/groups/lcd/Physics_tools/
> The README file says:
> Overview
> --------
> Physics analysis needs some of the standard utilities like JetFinders
> and event shape analyzers. We have translated the Jade, Jade E, and
> Durham jet algorithms and the JETSET thrust & event shape routines
> to C++/Root.
>
> This directory contains source files, and Makefile to make two shared
> libs, libJetFind.so and libEventShape.so, containing JetFinders and
> event shape analyzers, respectively.
> To create the shared libs, modify Makefile (the default Makefile is
> for SunOS.) by referring to the $ROOTSYS/test/Makefile in your system.
>
> Example Macro
> -------------
> The directory contains two sample programs, sample_jet.cxx and
> sample_thrust.cxx. These macros use the events generated
> by a test program of Event and libEvent.so, in $ROOTSYS/test.
>
> sample_jet.cxx    :: Using the Jet Finder (Jade algorithm, for
>                      example) in libJetFinder.so
>
>
>
> sample_thrust.cxx :: Using the event shape analyzers (getting
>                      thrust, major, and minor) in libEventShape.so.
>
>
>
>                        Sep 03, 1999
>                        M. Iwasaki  (masako@slac.stanford.edu)
>
>
> Rene Brun
>
>
> On Mon, 12 Nov 2001, Michael Bussmann wrote:
>
> > Hi Rooters,
> >
> > does anybody know a nice ROOT-implementation of event-shape-variables like
> > Thrust and Sphericity using ROOT-Vectors (or similar stuff)?
> >
> > Michael
> >
>



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