\/svg>","ionicons-filled--link":"<\/svg>"}) Accessibility Tools Invert colors Monochrome Dark contrast Light contrast Low saturation High saturation Highlight links Highlight headings Screen reader Read mode Content scaling 100% Font size 100% Line height 100% Letter spacing 100% Skip to main content PL The Institute The Institute General information Emploees News Scientific News Gender equality plan Address and contact data Research Research profile List of publications Information in BIP Scientific Council Organizational structure GDPR Events Seminars Current seminars List of seminars Conferences Current conferences Past conferences For students Doctoral school General Information Curriculum Recruitment School Council Doctoral Student Council Teaching Doctoral students Mid-term evaluation For students Master theses Student training Visiting the Institute For employees Institute e-mail Eduroam Publication registry Contact us Address and contact data Important phone numbers and emails PL The Institute The Institute General information Emploees News Scientific News Gender equality plan Address and contact data Research Research profile List of publications Information in BIP Scientific Council Organizational structure GDPR Events Seminars Current seminars List of seminars Conferences Current conferences Past conferences For students Doctoral school General Information Curriculum Recruitment School Council Doctoral Student Council Teaching Doctoral students Mid-term evaluation For students Master theses Student training Visiting the Institute For employees Institute e-mail Eduroam Publication registry Contact us Address and contact data Important phone numbers and emails Events Home Events List of seminars Seminar of the Institute of Theoretical Physics of University of Wrocław 12:15, 12-12-21 UWr, pl. Maksa Borna 9, sala 422 Direct detection of an arrow of timeprof. dr hab. Ludwik TurkoRecent result of the BABAR collaboration concerning microscopic time-reversal non-invariance will be presented. Time reversal violation effects have been usually claimed through the registration of the CP (charge-parity) violation effects in kaons and B meson decay and then as the corollary from the CPT theorem. Recent BABAR study, published in October this year, of B meson decays allows for a direct observation of time-reversal non-invariance without relying on CPT symmetries. This important and fundamental result is based on the quantum entanglement of B0-antiB0 states resulting from the Upsilon Y(4s) meson decay.
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Recent result of the BABAR collaboration concerning microscopic time-reversal non-invariance will be presented. Time reversal violation effects have been usually claimed through the registration of the CP (charge-parity) violation effects in kaons and B meson decay and then as the corollary from the CPT theorem. Recent BABAR study, published in October this year, of B meson decays allows for a direct observation of time-reversal non-invariance without relying on CPT symmetries. This important and fundamental result is based on the quantum entanglement of B0-antiB0 states resulting from the Upsilon Y(4s) meson decay.