[G12] p K+ K- exclusive events

[Carlos Salgado]

hi Mukesh

As Lei indicates, it will hard to say much from the moments without comparing with montecarlo i.e corrected for acceptance. see you Carlos


On Jul 23, 2012, at 5:33 PM, Saini, Mukesh wrote:

> Hi Lei,
> 
> The Dalitz Plot is labelled incorrectly. It IS Mass of (proton K-) and not Mass of (proton K+).  
> 
> I am running simulations for phi cross-sections right now but I have the K+K- setup and will run them as soon as the phi gets done. So I won't be able to show the comparison tomorrow though, but next Tuesday. 
> 
> Mukesh.
> 
> 
> 
> 
> From: Lei Guo [lguo at jlab.org]
> Sent: Monday, July 23, 2012 4:38 PM
> To: Saini, Mukesh
> Cc: g12 at jlab.org, g12 at jlab.org
> Subject: Re: [G12] p K+ K- exclusive events
> 
> Hi, Mukesh,
> 
> Your moments stuff are very very  interesting. Have you looked at moments for simulation, assuming you have simulated events with M(K+K-) between 1 and 2 GeV?
> 
> On you dalitz plots, the y axis is M(pK-), not M(pK+), right?
> 
> Lei
> On Jul 22, 2012, at 2:24 AM, Saini, Mukesh wrote:
> 
>> Hi All,
>> 
>> As per Tuesdays discussion -
>> 
>> 1. Comparison of a Gaussian Fit, Breit-Wigner Fit and a Voigtian Fit and counting the phi mesons in the peak with the background fit extended over a larger mass range.  
>> 
>> With the Old MM:
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Count_Phi_GLV.pdf
>> 
>> With the New MM:
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Count_Phi_GLV_v2.pdf
>> 
>> The Difference between the MM Cuts for Selected Phi events (Invariant Mass of K+K- between 1.010,1.030 GeV):
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/MM_Cuts_Compare.pdf
>> 
>> 2. Plots of Masses, t, t-prime, Moments for K+K- with Various sets of Cuts like:
>>     a. Beam Energy 3.6 GeV and 4.4 GeV
>>     b. Without Lambda_1
>>     c. Without Lambda_2
>>     d. Without phi meson
>>     e. t-prime cuts
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Plots_4.4GeV.pdf
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Moments_4.4GeV.pdf
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Plots_3.6GeV.pdf
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Moments_3.6GeV.pdf
>>  
>> 3. Dalitz Plot for K+ K- vs proton K- with the same cuts listed above:
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Dalitz_4.4GeV.pdf
>> http://hadron.physics.fsu.edu/~mukesh/files/pKKExc/Dalitz_3.6GeV.pdf
>> 
>> We will discuss these Tuesday but since I am always short those 2 important plots, Please let me know what they are.
>> 
>> Mukesh.
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