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SUMMARY:$S$-wave scattering length of the $J/\\psi J/\\psi$ system from la
 ttice QCD in coordinate space
DTSTART;VALUE=DATE-TIME:20261010T065500Z
DTEND;VALUE=DATE-TIME:20261010T071000Z
DTSTAMP;VALUE=DATE-TIME:20261005T035250Z
UID:indico-contribution-2812@indico.itp.ac.cn
DESCRIPTION:Speakers: 嘉竣 谢 (School of Physical Sciences\, University
  of Chinese Academy of Sciences\, Beijing 100049\, China)\nThe $J/\\psi J/
 \\psi$ energy spectra are extracted from lattice QCD by utilzing the Coord
 inate-Space Two-Hadron Operators\, named as dumbbell method.  \n\nFinite-v
 olume energies indicate an attractive interaction in total spin $S=0$ chan
 nel and a repulsive interaction in total spin $S=1$ channel and total spin
  $S=2$ channel. \n\nThe scattering lengths of three different total spin a
 re also extracted from the lattice energy levels.\n\nhttps://indico.itp.ac
 .cn/event/437/contributions/2812/
LOCATION:会议楼2 CXII102
URL:https://indico.itp.ac.cn/event/437/contributions/2812/
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