[Clas12_verystrange] Cascade comparison
Johann Goetz
jgoetz at ucla.edu
Tue Feb 28 07:58:02 EST 2012
Mike,
If you let me know what cuts you are making for event selection I can give
you a direct comparison to g12 very quickly.
--
Johann
On Mon, Feb 27, 2012 at 11:33 AM, Igor Strakovsky <igor at va.gwu.edu> wrote:
> Mike,
>
> How is about to use Johann's result as well. Johann, can you please
> provide Mike your figures?
>
> Thanks, Igor
>
>
> On Mon, 27 Feb 2012 11:27:56 -0500 (EST), Michael Dugger <dugger at jlab.org>
> wrote:
>
> >
> > John,
> >
> > I was just trying to get a feel for the background to expect and
> > quickly found your results off the web. No big deal. I will start using
> > Lei's stuff.
> >
> > As far as the backgrounds go, we just need some way to verify that they
> > look reasonable.
> >
> > I am new to this strange stuff and have not committed to memory what the
> > latest and best results are.
> >
> > Please bear with me as I get up to speed.
> >
> > Take care,
> > Michael
> >
> > On Mon, 27 Feb 2012, John Price wrote:
> >
> >> Hi Mike:
> >>
> >> I haven't been able to participate in the meetings lately (see my
> message of
> >>a few minutes ago); why are you comparing to my results rather than Lei
> Guo's
> >>from 2007, which are probably superior in every way?
> >>
> >> John
> >>
> >> --
> >> John W. Price
> >> Professor and Chair of Physics
> >> CSU Dominguez Hills
> >> 310-243-3403
> >>
> >> -----Original Message-----
> >> From: Michael Dugger <dugger at jlab.org>
> >> Sender: "clas12_verystrange-bounces at jlab.org"
> >> <clas12_verystrange-bounces at jlab.org>
> >> Date: Fri, 24 Feb 2012 09:53:52
> >> To: clas12_verystrange at jlab.org<clas12_verystrange at jlab.org>
> >> Reply-To: "clas12_verystrange at jlab.org" <clas12_verystrange at jlab.org>
> >> Subject: [Clas12_verystrange] Cascade comparison
> >>
> >>
> >> Hi,
> >>
> >> I have attached a plot of Cascade-(1321) using the same code that I used
> >> to generate the Omega- (cascadeM.gif). The plot is the missing mass
> >> spectrum (MassX) from the reaction:
> >> gamma p -> K+ K+ X
> >>
> >> I have also included plots from John Price's paper showing the same
> >> spectrum from g6 data (PriceCascade.png).
> >>
> >> The incident photon energy range for the g6 experiment is, of course,
> >> different than what CLAS12 will have, however, the signal to background
> >> ratio I get in my plot looks somewhat consistent with what John saw from
> >> g6 data.
> >>
> >> Perhaps the simulated backgrounds are not too far off from reality?
> >>
> >> Take care,
> >> Michael
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>
--
Johann T. Goetz, PhD. <http://sites.google.com/site/theodoregoetz/>
jgoetz at ucla.edu
Nefkens Group, UCLA Dept. of Physics & Astronomy
Hall-B, Jefferson Lab, Newport News, VA
Office: 757-269-5465 (CEBAF Center F-335)
Mobile: 757-768-9999
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