Discussion of the SIDIS task list proposed by Anselm and Ralf
- The list was drafted by Anselm (over a month ago) and never updated/commented on by Ralf. It was later shared with the entire SIDIS mailing list the week before the ePIC/EIC Physics Readiness workshop.
- There are divergences regarding the priorities of the physics tasks between the two conveners.
- Names are assigned to several tasks, but with question marks. It would be useful to have more clarity on who is actually doing what, as the current situation is unclear, partly because results are rarely presented during the SIDIS PWG meetings.
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Salvatore emphasizes the priority of some performance-related tasks, such as machine background studies and systematics. These take precedence over physics studies and it would be highly useful to include them in the Early Science report (May 1st deadline), but especially for the full TDR (end of the year) and for the physics studies that will be included in the SIDIS paper in NIM A (October deadline). Ralf had asked Lorenzo and Sara to complete some performance studies.
Misha could potentially handle the ISR studies, but the required simulation (Djangoh) is marked in red in the March simulation campaign. Salvatore will look into the issue.
Physics Channels Evaluated
Regarding the physics channels, the group evaluated which topics to focus on:
- Lambda: An interesting channel for Anselm, who produced some work on it a while ago. It needs to be redone and updated.
- Collins and Sivers: It seems Ralf is taking care of this. We could ask if he needs a hand...?
- TMDs in jets (Collins / Sivers with back-to-back jets): Rongrong might be working on this. We need to reach out to him and his group to potentially join this research line and do combined work between two PWGs.
- Back-to-back hadrons: A research line we can join by helping Charlotte once her master's student finishes (in a few months).
- Unpolarized TMDs:
- For the Early Science report:
Marco needs the pseudodata. The required energy configurations are 10x130 and 10x250. Lorenzo and Sara will work on this, joined by Susanna's master's student (who has this topic as their thesis subject).
- For the TDR / SIDIS paper in NIM A:
- systematics: Add systematic error estimations by analyzing simulations with the background.
- Deuterium: Susanna's master's student could produce the pseudodata on deuterium that Marco needs.