[Clascomment] [EXTERNAL] Re: OPT-IN: Proton Transparency and Neutrino Physics: New methods and Modeling

Steven Dytman dytman at pitt.edu
Tue Mar 25 16:16:08 EDT 2025


Stuart,
Thanks for your concern.
Since our analysis started with the e4nu Nature paper cuts, I am sure we 
are using the latest cuts.

regards,
Steve

On 2/24/25 1:18 PM, Stuart Fegan wrote:
> [You don't often get email from s.fegan.glasgow at gmail.com. Learn why this is important at https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_LearnAboutSenderIdentification&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=9lC_IPiecGXi54_ApLpB4sC9docu8cc-D4izipD_t6U&m=8r5nSqd3DiO7o6HtUwGfkbH_oIhgCU1Kkk8J4sZa6UEwHsL4fewPXzL-qp1McX8P&s=b4r6-xiN4NBjoEVyWwBzXe876wwrlPzIrmb8kkf0PSQ&e=  ]
>
> Just for information, there were some minor updates made to the e2a fiducial cuts as part of the work towards reference [14], as detailed in a CLAS Note https://misportal.jlab.org/ul/Physics/Hall-B/clas/viewFile.cfm/2023-001.pdf?documentId=802 
>
> The focus of the update was to more accurately reflect the acceptance of pions, but there were some minor tweaks to proton fiducial cut functions, as these are reused for all positively charged hadrons. They were applied to the Nature publication (ref [14]), but I believe this analysis was already underway by then, so they may not have found their way into the event selection code.
>
> We found the affect on [14] was minimal, and I would assume it can be disregarded here as being well within the stated uncertainties.  Any further work involving pions, however, should use the updated  e2a fiducial cuts




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