sPHENIX is a new detector at RHIC.

["Perepelitsa, Dennis" <dvp AT bnl.gov>]

Hi Maxim and Tim,

Thanks for circulating this to the Collaboration. Please consider a handful of comments from me below. 

Dennis

— 

L41: “for event definition purposes” was a bit mysterious to me. I think the time is needed to reject signals not associated with a real beam-beam crossing, right? 

L62: I found myself curious about the specific type of interpolation. Was this a spline, polynomial, something else?

L91: would it be useful to give a citation or definition for the “modified Landau distribution” ? 

L125-126: is there any potential issue with using a training sample with a distribution over energies that may not match the distribution of energies to which the ML method will be applied? For example, if the samples from the test beam are roughly similar for each energy, but in real data this will be a steeply falling distribution. Or is this mitigated by the template shape changing minimally with E?

L178 and L181: There is no Figure 4 - should this be Figure 3? 

Ref. 4: the ROOT authors have a requested citation - https://github.com/root-project/root/#cite . You might check if there is some specific way Refs. 5-9 like to be cited, rather than just as a website.

On Mar 10, 2023, at 6:11 PM, Maxim Potekhin via sPHENIX-l <sphenix-l AT lists.bnl.gov> wrote:

Dear All,

Thanks to Dennis for pointing out my omission of not including the line numbers.
I created an additional copy with these included:

https://drive.google.com/file/d/1tCUCmqScIFHa7uaIY3YBhdIopK2UbrMK/view?usp=sharing

Please let me know if anything else needs fixing.

Best regards,
Maxim

On 3/10/2023 3:50 PM, Perepelitsa, Dennis wrote:

Hello Maxim,

Could you please circulate a version with line numbers? It may also be useful to copy the EMCal list.

Dennis

On Mar 10, 2023, at 3:42 PM, Maxim Potekhin via sPHENIX-l <sphenix-l AT lists.bnl.gov> wrote:

Dear Colleagues,

Tim Rinn and I have prepared a draft paper for the proceedings
of the ACAT 2022 Conference.

Title: "A Machine Learning Method for calorimeter signal processing in sPHENIX"
The current author list: "M.Potekhin and T.Rinn for sPHENIX Collaboration"

We are asking for your comments for this draft publication, and will
greatly appreciate it if you send them by Thursday, March 16th, as the
submission deadline is the 19th.

The link to the PDF:
https://drive.google.com/file/d/1aZOO4a5bAQjha4bqBWAmnmcuyGIshQUv/view?usp=sharing

Thank you,

Maxim and Tim

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Dennis V. Perepelitsa
Associate Professor, Physics Department
University of Colorado Boulder
on sabbatical at Brookhaven National Laboratory

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Dennis V. Perepelitsa
Associate Professor, Physics Department
University of Colorado Boulder
on sabbatical at Brookhaven National Laboratory