Recent results by the NA48 collaboration on neutral kaons rare decays into the pi+pi- e+e- final state are presented. A large CP-violating asymmetry A(K_L) = (13.9+-2.7+-2.0)% has been observed in the K_L to pi+ pi- e+ e- decay. The K_S to pi+ pi- e+ e- decay has been observed for the first time, showing no such asymmetry.
New results from NA48 experiment on neutral kaon rare decays / Bizzeti, Andrea. - STAMPA. - unico:(2001), pp. 573-578. (Intervento presentato al convegno XXX Int. Symposium on Multiparticle Dynamics "From e+e- to heavy ion collisions" tenutosi a Tihany, Hungary nel 9-15 october 2000).
New results from NA48 experiment on neutral kaon rare decays
BIZZETI, Andrea
2001
Abstract
Recent results by the NA48 collaboration on neutral kaons rare decays into the pi+pi- e+e- final state are presented. A large CP-violating asymmetry A(K_L) = (13.9+-2.7+-2.0)% has been observed in the K_L to pi+ pi- e+ e- decay. The K_S to pi+ pi- e+ e- decay has been observed for the first time, showing no such asymmetry.
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