Seaech for physics beyond the Standard Model with Kaons at NA48 and NA62 at CERN

Evgueni Goudzovski
2008 Proceedings of the XVI International Workshop on Deep-Inelastic Scattering and Related Topics   unpublished
EvgueniG oudzovski U ni versi ty ofB i rm i ngham -SchoolofPhysi cs and A stronom y Edgbaston,B i rm i ngham ,B 15 2T T -U K T he rati o R K = (K ! e ( ))= (K ! ( )) provi des a pow erful probe of the structure ofw eak i nteracti ons. It i s cal cul ated w i th very hi gh preci si on w i thi n the Standard M odel , but correcti ons due to the presence of N ew Physi cs coul d be i n a few percent range. D evel opm ent of N A 48/N A 62 m ethod based on test data sam pl es of 2003-04, and the
more » ... 03-04, and the status of anal ysi s based on a dedi cated 2007 run are di scussed. A proposal to m easure the ul tra rare decay K + ! + at the C ER N SPS i s al so presented.
doi:10.3360/dis.2008.103 fatcat:a2v3w5itcjc5fbnkyevei4oaka