Seminarium Instytutu Fizyki Teoretycznej Uniwersytetu Wrocławskiego
12:15 piątek, 21-12-12 UWr, pl. Maksa Borna 9, sala 422
Direct detection of an arrow of time
prof. dr hab. Ludwik Turko
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.
