Shu's weekly group discussion

Wednesday 16 Oct 2024, 10:00 → 12:40 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：2024

1 Status

Speaker: Jun Wei Lok (TDLI, SJTU)

2 Status

Speaker: Zelin Yan (TDLI, SJTU)

3 Status

Speaker: Bai-Hong Zhou (TDLI, SJTU)

4 Status

Speaker: Xuliang Zhu (TDLI, SJTU)

5 Status

Speaker: Zhiyu Zhao (TDLI, SJTU)

6 Status

Speaker: Danning Liu (TDLI, SJTU)

7 Status

Speaker: Zhen Wang (TDLI, SJTU)

8 Status

Speaker: Qibin LIU (TDLI, SJTU)

9 Status

Speaker: Ngoc Khanh Vu (TDLI, SJTU)

Run-3 DP Combination:

• BDT for vertex tagging (for gamm+jets bkgs)
• BDT for SR.
• Preliminary Fit: limit on BR(H->yyd) @ 95% CL = 2% (SR-only) or 4% (1mu CR + SR) (for Run-3 L = 25.7 ifb)

Xbb gbb calibration:

• Bkg-like calibration: Fit using new Flat-Mass-QCD WPs.
• Implement systematic uncertainties. 

10 Status

Speaker: Rui Yuan (TDLI, SJTU)

DarkSHINE:

HCAL hardware test: working on building a reasonable uniformity test procedure for plastic scintillator, so far the issue is that gamma source only give an undistinguishable (from background) photon yield while only a small portion of the beta source have enough energy to meet the requirement of coincident trigger.

CDR: move back to baseline 1.0 forsome materials

 

Hzy/Hyy*: a preliminary significance result obtained, 0.82 for MC23a+d Hzy, so as the limit. writing internal note

 

H2a4b: signal DAOD samples were done, working on the ntuples with Zelin. also preparing the LLP H2a2b vs. normal prompt H2a2b comparison to introduce in UEH

11 Status

Speaker: Tong Sun (TDLI, SJTU)

DarkSHINE

• electron on target:  the nBkgs(3e14EOT) were estimated with rare processes. Next, we need to adjust the order of cuts in order to facilitate to comparison with the result of baseline 1.0

the results of baseline1.6

	EN_ECAL	PN_ECAL	GMM_ECAL	EN_target	PN_target	GMM_target
MC events (with filter)	97975842		217183412	499444293	380267123	9029044
1 track	68382727		158964111	56703117	29986500	859
P_tag-P_rec>3 GeV	12492		60477354	23743835	13310505	750
E_ECAL^total<1200MeV	0		12735943	5482205	2729256	72
E_HCAL^total<10 MeV	0		20	495611	184334	0
E_HCAL^(Max cell)< 0.3 MeV	0		14	150072	51651	0
E_sideHCAL^total< 20MeV	0		13	8831	4990	0
E_sideHCAL^(Maxcell)<1.5 MeV	0		13	4402	2811	0
			1.0368750	1298.2736	228.37618

• positron on target:  tested  the effect for tag tracker seeding with the hit close to the target

REU: Undergrad Research Discussions

12 Status

Speakers: Fengyi Jiang (ShanghaiTech Univ. (CN)), Sian Yang (ShanghaiTech University)

13 Status

Speaker: Peixu Teng (SPA, SJTU)

14 Status

Speaker: Linjing Duan (Sun Yat-sen University)