[Clas12_first_exp] No clas12 first experiment meeting today

[Latifa Elouadrhiri]

There will be no meeting this morning.

Below is Timothy's email regarding the validation testing of the RGA Sp19 pass-2 software (8.7.0). Please run your analysis code on this data to get the final quantitative information comparing pass-2 to pass-1.
We will go over the details of the validation next week to make sure we are ready to process the pass2 data.

Best regards,

Latifa




________________________________
From: Clas12_first_exp <clas12_first_exp-bounces at jlab.org> on behalf of Hayward, Timothy via Clas12_first_exp <clas12_first_exp at jlab.org>
Sent: Tuesday, April 4, 2023 1:10 PM
To: clas12_first_exp at jlab.org <clas12_first_exp at jlab.org>
Cc: Joo, Kyungseon <kyungseon.joo at uconn.edu>
Subject: [Clas12_first_exp] [EXTERNAL] RGA Sp19 pass-2 release software (8.7.0) validation runs available

Dear RGA,

We have processed runs with a new tentative pass-2 release tag (8.7.0) and timestamp of 9:00AM EDT, March 30th.

They are located here: /volatile/clas12/rg-a/production/pass0/Spring19/sp19_dst_v1_29/dst/

The runs in questions are:
6616 (5 nA),
6618, 6723 (10 nA)
6642, 6670, 6712, 6714, 6716, 6718, 6728, 6769 (50 nA, production runs)

I would appreciate any analyzers that have been doing pass-2 validation studies to please repeat their studies on the newly cooked data. In addition, we need to pay particular attention to the ECAL in this particular tag as a number of changes (hopefully improvements!) have been made. At the following link, https://clasweb.jlab.org/wiki/images/c/ce/20230330_ecal.pdf, you can find a presentation given at last week’s software meeting with a list of suggested checks that would be useful to study (unfortunately I do not believe we have any 8.5.0 files still available, but in general and in comparison to the pass-1 cook),

▪ - check electron yield and sampling fraction
▪ - photon/neutron multiplicity per sector
▪ - photons with the same xy coordinates
▪ - pi0 yield as a function of momentum

Please let me know if you have any questions,
Timothy
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