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SUMMARY:Second-order perturbation theory corrections to hyperfine structur
 e of muonic helium
DTSTART;VALUE=DATE-TIME:20261027T153500Z
DTEND;VALUE=DATE-TIME:20261027T154000Z
DTSTAMP;VALUE=DATE-TIME:20261025T155122Z
UID:indico-contribution-6417@cern.ch
DESCRIPTION:Speakers: Ksenia Seredina (Самарский национал
 ьный исследовательский университет име
 ни академика С.П. Королева)\nUsing perturbation theor
 y for the fine-structure constant α and the electron-to-\nmuon mass ratio
 \, we calculate new contributions to the hyperfine structure of the\ngroun
 d state of the muon-electron helium atom. Compared to our previous results
 \,\nwe incorporated new corrections in the second order of perturbation th
 eory. This\ncalculation reduces the discrepancy between the theoretical va
 lue and the new ex-\nperimental hyperfine structure measurement.\n\nhttps:
 //indico.particle.mephi.ru/event/626/contributions/6417/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6417/
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