[Clas12_verystrange] [EXTERNAL] Re: Lambda from skim 14 - RG-A pass 1

[Jose Carvajal]

Hello all,
I have been downloading files all day long, there is no Skim3 just yet. (I
believe Raffaella is working on it)
There is skim11, but if (again, maybe) skim3 has an issue , skim 11 would
also have it.
Regards,
Jose


On Apr 9, 2020, at 1:33 PM, Eugene Pasyuk <pasyuk at jlab.org> wrote:





This is a good news, the signal is reproducible by at least two people. Now
we need to get something similar with FT.



-Eugene



*From:* Clas12_verystrange <clas12_verystrange-bounces at jlab.org> *On Behalf
Of *Matthew Nicol
*Sent:* Thursday, April 09, 2020 08:30
*To:* clas12_verystrange at jlab.org
*Subject:* [Clas12_verystrange] [EXTERNAL] Re: Lambda from skim 14 - RG-A
pass 1



These do look great Will. I have managed to recreate them using very
similar cuts and running over all the skim14 data (Pass1), analysing
directly from the hipo files. It seems where I was skimming the files,
saving as a TTree and then reading it, I had some sort of coding issue, I
am investigating what this is now.

Matt





On Wed, 8 Apr 2020 at 08:36, nicholas <nicholas at jlab.org> wrote:

Indeed this looks great!!



On 8 Apr 2020, at 01:20, Eugene Pasyuk <pasyuk at jlab.org> wrote:



Thanks, Will! I like these plots 😊



-Eugene



*From:* Clas12_verystrange <clas12_verystrange-bounces at jlab.org> *On Behalf
Of *William Phelps
*Sent:* Tuesday, April 07, 2020 20:15
*To:* clas12 verystrange <clas12_verystrange at jlab.org>
*Subject:* [Clas12_verystrange] Lambda from skim 14 - RG-A pass 1



Hello Strangers,



As promised I will send you my cuts/event selection for the plots I have
been showing:



Data: Skim14 (Electron in FD, k+ anywhere)



Event selection:

1 e^- in FD

1 pi^- anywhere

1 k+ anywhere

1 proton anywhere



Cuts:

k+ momentum < 2.0 GeV

Missing Mass^2 off of reconstructed particles (4 tracks) < 0.05 GeV^2

New** = Missing Momentum < 0.1 GeV



Assumption: e^- beam energy set to 10.614 for MM calculations (I should
look into this…).



Sorry Eugene, you’ll have to wait for the suggested plots until after I
finish writing this midterm!



-Will



--------------------------------------------------
William B. Phelps, Ph.D.
Assistant Professor and Staff Scientist
Christopher Newport University and Jefferson Lab
Newport News, VA, 23606
CNU: 757-594-8741
JLab: 757-269-5032

<image001.png><image002.png>

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