Shu's weekly group discussion

Wednesday 16 Jul 2025, 10:00 → 13:00 Asia/Shanghai

Tsung-Dao Lee Institute/N6F-N631 - Smart Classroom (Tsung-Dao Lee Institute)

点击链接入会，或添加至会议列表：

https://meeting.tencent.com/p/7659960274

#腾讯会议：765-996-0274

会议密码：2025

10:00 → 10:10 Status

Speaker: Jun Wei Lok (TDLI, SJTU)

10:10 → 10:20 Status

Speaker: Zelin Yan (TDLI, SJTU)

H2a4b_updates.pptx

10:20 → 10:30 Status

Speaker: Bai-Hong Zhou (TDLI, SJTU)

Finished:

• Xbb Calibration:
  • Fixed one bug for the Ttbar k-factor.
  • Successfully produced a histogram with systematics.
• ssWWjj Polarisation:
  • Built FastFrames and checked the event selection code in FastFrames.
  • Validated the results in the full Run 2 data;

Plan:

• Xbb Calibration:
  • Prepare for the final summary slides.
  • Get the fitting results with systematics.
  • Talk with Changqiao for further plans.
• ssWWjj Polarisation:
  • Update the easyjet pipeline in the ssWWjj analysis.
  • Validate the Fastframes framework in all the MC samples.

10:30 → 10:40 Status

Speaker: Xuliang Zhu (TDLI, SJTU)

10:40 → 10:50 Status

Speaker: Zhiyu Zhao (TDLI, SJTU)

10:50 → 11:00 Status

Speaker: Danning Liu (TDLI, SJTU)

11:00 → 11:10 Status

Speaker: Ngoc Khanh Vu (TDLI, SJTU)

Run-3 ggHyyd:

• Using the combination FW: The BR limit gets worse (2.8%) with new Run-3 ggF channel workspace (including new photon-related syst. uncertainties and JET_JERUnc_Noise_PreRec) (trex: 2.0%) --> cross-checking with Milano team to understand this.
• Convener happy with the note, they are contacting potential candidates for EB.

Others:

• Preparing for the FCPPN/L next week
• Taking shifts.

11:10 → 11:20 Status

Speaker: Rui Yuan (TDLI, SJTU)

11:20 → 11:30 Status

Speaker: Haidar Mas'ud Alfanda (TDLI, SJTU)

• The Bayesian optimization task has been developed, but met a problem: the algorithm terminated after several hours of running. Upon investigating I found that it was due memory, this was due to the number of variables used
• Principal component analysis (PCA) is now employed to optimize the choice of the independent variables to speed up the algorithm
• Taking AdCos shift
• Preparing slides for the Axion 2025 conference talk

11:30 → 12:10 REU: Undergrad Research Discussions

11:30 Status

Speaker: Linjing Duan (Sun Yat-sen University, Shenzhen Campus (CN) & TDLI/SJTU (CN))

7.17.pptx

11:40 Status

Speaker: Kang Yu (Jilin University(JLU) & TDLI/SJTU)

1. I have finished CP Algorithm sections in ATLAS Analysis Tutorials.
2. I am able to use some existing tools to store NTuples outputs instead of building TTree by hand, with prefixes for variable names automatically filled.

11:50 Status

Speaker: Peixu Teng (SPA, SJTU)

report——7.16.pdf

12:00 Status

Speaker: 柄贤 李 (上海交通大学)