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DTSTART:20210328T010000
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DTSTART;TZID=Europe/Rome:20210520T143000
DTEND;TZID=Europe/Rome:20210520T171000
DTSTAMP:20260824T155004
CREATED:20210430T082937Z
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UID:30166-1621521000-1621530600@w3.lnf.infn.it
SUMMARY:TOTEM and D0: the discovery of the Odderon
DESCRIPTION:The TOTEM experiment at LHC has performed total and differential elastic p-p cross-section measurements at different LHC energies. Since 2018 a first hint of the presence of the Odderon was found in TOTEM results. Now the discovery has been confirmed after a comparison with the p-bar-p data measured by the D0 collaboration at Fermilab.\nThe comparison of the two experiment results led to the first experimental observation of the exchange of the Odderon with a significance of 5.4σ. \nThe Odderon\, first theorized in 1973\, represents the C-odd counterpart of the Pomeron\, the dominant Regge trajectory in the soft high energy diffractive interactions.\nThe Odderon emerges not only in the Regge framework\, but also in QCD theory where it can be modelled as an exchange of a colourless C-odd gluonic compound.\nStates comprising two\, three or more gluons are usually called “glueballs”\, and their observation represents a key test of the QCD.\nThe talk will give a theoretical introduction to the Odderon in the context of both Regge and QCD frameworks\, highlighting the best strategy to observe such enigmatic object at the LHC. \nThe TOTEM experiment and results will be described and a detailed report of the latest analysis\, in collaboration with D0\, will be given. The future measurements of TOTEM at a centre-of-mass energy of 14 TeV will be briefly commented as well. \nMore ways to join: \nJoin from the meeting link: \nhttps://infn-lnf.webex.com/infn-lnf/j.php?MTID=m6cebc17c489f7f980507828a4169c690 \nJoin by meeting number: \nMeeting number (access code): 163 403 6625 \nMeeting password: 20052021
URL:/event/totem-and-d0-the-discovery-of-the-odderon/
LOCATION:INFN – Laboratori Nazionali di Frascati\, Via Enrico Fermi\, 54\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari generali
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