EPJ Web of Conferences
Volume 81, 2014MESON 2014 – 13th International Workshop on Production, Properties and Interaction of Mesons
|Number of page(s)||3|
|Section||Symmetries - contributions|
|Published online||26 November 2014|
A direct test of time-reversal symmetry in the neutral K meson system with KS → πℓν and KL → 3π0 at KLOE-2
Institute of Physics, Jagiellonian University, ul. Reymonta 4, 30-059 Cracow, Poland
a e-mail: email@example.com
Published online: 26 November 2014
Quantum entanglement of K and B mesons allows for a direct experimental test of time-reversal symmetry independent of CP violation. The T symmetry can be probed by exchange of initial and final states in the reversible transitions between flavor and CP- definite states of the mesons which are only connected by the T conjugation. While such a test was successfully performed by the BaBar experiment with neutral B mesons, the KLOE-2 detector can probe T -violation in the neutral kaons system by investigating the process with KS → π±l∓νl and KL → 3π0 decays. Analysis of the latter is facilitated by a novel reconstruction method for the vertex of KL → 3π0 decay which only involves neutral particles. Details of this new vertex reconstruction technique are presented as well as prospects for conducting the direct T symmetry test at the KLOE-2 experiment.
© Owned by the authors, published by EDP Sciences, 2014
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