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DTSTART:20260329T010000
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DTSTART;TZID=Europe/Rome:20260615T143000
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DTSTAMP:20260511T112121
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UID:40727-1781533800-1781537400@w3.lnf.infn.it
SUMMARY:New Physics searches at BESIII
DESCRIPTION:Speaker: Vindy Prasad (Jilin Univ.) \nThe Standard Model (SM) successfully describes fundamental particles and their interactions but fails to explain several outstanding issues\, including the nature of dark matter (DM). DM constitutes approximately one quarter of the total matter density of the universe and is invisible across the electromagnetic spectrum. It may account for observed anomalies such as galaxy rotation curves and other fundamental characteristics of our universe. DM may couple to SM particles via portals. These portals introduce several new physics particles\, such as light Higgs boson\, dark photon\, axion-like particle\, and sterile neutrinos. \nThese new physics scenarios may also appear in several baryon- and lepton-number-violating processes. Furthermore\, the origin of DM and the observed asymmetry between visible matter and antimatter may be connected through the introduction of a dark baryon. \nThe new physics particles can be accessible at high-intensity electron-positron collider experiments\, such as the BESIII experiment\, if their masses are in the MeV-GeV range. BESIII has recently explored the possibilities of these new physics scenarios using large data samples collected at several energy points\, including the J/psi\, psi(2S) and psi(3770) resonances. \nThis talk will review the recent BESIII results related to searches for new physics.
URL:/event/new-physics-searches-at-besiii/
LOCATION:Aula B-1\, Via Enrico Fermi\, 40\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari generali
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