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SUMMARY:The hadronic decays of charmed mesons at BESIII
DTSTART;VALUE=DATE-TIME:20260430T020000Z
DTEND;VALUE=DATE-TIME:20260430T040000Z
DTSTAMP;VALUE=DATE-TIME:20260514T133300Z
UID:indico-event-29464@indico.ihep.ac.cn
DESCRIPTION:点击链接入会，或添加至会议列表：\nhttps://meet
 ing.tencent.com/dm/cDsN5ZSzLjtJ\n\n#腾讯会议：702-611-959\n\n报告
 摘要：\n\nThe BESIII experiment has collected $20.3 fb^(-1)$ of $e^+ e
 ^-$  collision data at $\\sqrt(s)=3.773 GeV$ and $7.33 fb^(-1)$  at c
 enter-of-mass energies from 4.128 to 4.226 GeV. These constitute the worl
 d's largest samples of $D\\bar{D}$  and $D_s \\bar{D_s}$ pairs\, respect
 ively\, providing a unique laboratory to probe non-perturbative Quantum Ch
 romodynamics  in the charm sector.\n\nI will present recent measurements 
 of hadronic decays of charmed mesons at BESIII\, including branching fract
 ions of fifteen $D_s^+$ decay modes determined from a global fit\, as well
  as amplitude analyses of $D→ππη$\, $D^+→π^+ π^0 π^0$\, $D^+→
 π^+ ηη$\, $D^+→πππη$\,  $D^0→ K_S π^0 π^0$\, $D_s^+  → K_
 S  K_L  π^+$\, and $D_s^+→π^+ π^+  π^-  π^0  (π^0  )$. These
  analyses enable detailed investigations of intermediate processes involvi
 ng scalar mesons and the polarization properties of  D→ VV decays. BESI
 II also observe deviations in the branching fractions of ϕ-meson decays f
 rom the Particle Data Group (PDG) world averages\, as well as anomalously 
 large branching fractions for decays involving scalar particles and W-anni
 hilation topologies.\n\n报告人简介：柯百谦，郑州大学，河
 南省特聘教授。2017年获美国卡内基·梅隆大学博士学位
 ，后于中国科学院高能物理研究所从事博士后研究。现
 任北京谱仪（BESIII）粲物理组共同召集人、BESIII成员委
 员会（IB）成员、国际重味物理平均组（HFLAV）粲衰变召
 集人，并担任《中国物理C》期刊编委。主要研究方向为B
 ESIII实验上的粲物理与粲偶素物理，包括粲强子衰变的精
 确检验、多体振幅分析、半轻衰变及蒙特卡罗产生子等
 。获2024年河南省杰出青年科学基金，曾入选中国科学院
 台湾青年访问学者计划，和美国费米实验室John Peoples青
 年研究学术奖金。\nhttps://indico.ihep.ac.cn/event/29464/
URL:https://indico.ihep.ac.cn/event/29464/
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