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SUMMARY:Search for light scalar dark matter with quadratic interactions wi
 th the SM fields
DTSTART;VALUE=DATE-TIME:20260319T030000Z
DTEND;VALUE=DATE-TIME:20260319T040000Z
DTSTAMP;VALUE=DATE-TIME:20260512T080300Z
UID:indico-event-4823@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Da Liu（柳达） (Shandong University)\n\nAbstract
 : In this talk\, I will discuss about my recent work on the searches for 
 the light scalar dark matter with quadratic interactions with SM fields. T
 his will lead to the effective interactions between the light dark matter 
 and the nucleon fields phi^2 N N/f below the QCD confinement scale\, which
  can be thought as potential barrier for the dark matter wind in the prese
 nce of ordinary matter. When the potential barrier is large enough compare
 d with the kinetic energy of the dark matter\, the dark matter flux will b
 ounce back from the ordinary object\, as a result inducing a pressure forc
 e on the object. After taking into the constraints from Supernova cooling\
 , BBN and gravitational inverse square law test\, there exists parameter s
 paces in our model which can be searched for by utilizing this force effec
 t on the experiment for the test of the weak equivalence principle.Biograp
 hy：柳达，山东大学研究员。2016年博士毕业于中国科学
 院大学理论物理研究所，之后在阿贡国家实验室（2016-201
 9），加州大学戴维斯分校（2019-2023）和匹兹堡大学（2023
 -2024）从事博士后研究，2025年入职山东大学。主要从事
 超出标准模型的新物理在对撞机的唯象学研究，轻暗物
 质的探测和在壳散射振幅在粒子物理唯象学的研究，在PR
 L\, JHEP\, PRD 等期刊发表29篇SCI论文。Alternative online link：
  https://meeting.tencent.com/dm/jzI9sd3no6WJID: 154995713\n\nhttps://indi
 co-tdli.sjtu.edu.cn/event/4823/
LOCATION:Tsung-Dao Lee Institute/N6F-N600 - Lecture Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/4823/
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