Observation of the rare decay K-S ->pi(0)mu(+)mu(-)
- Batley JR
- Kalmus GE
- Lazzeroni C
- Munday DJ
- Patel M
- Slater MW
- Wotton SA
- Arcidiacono R
- Bocquet G
- Ceccucci A
- Cundy D
- Doble N
- Falaleev V
- Gatignon L
- Gonidec A
- Grafstrom P
- Kubischta W
- Marchetto F
- Mikulec I
- Norton A
- Panzer-Steindel B
- Rubin P
- Wahl H
- Monnier E
- Swallow E
- Winston R
- Goudzovski E
- Gurev D
- Hristov P
- Kekelidze V
- Kozhuharov V
- Litov L
- Madigozhin D
- Molokanova N
- Potrebenikov Y
- Stoynev S
- Zinchenko A
- Sacco R
- Walker A
- Baldini W
- Dalpiaz P
- Duclos J
- Frabetti PL
- Gianoli A
- Martini M
- Petrucci F
- Scarpa M
- Savrie M
- Bizzeti A
- Calvetti M
- Graziani G
- Iacopini E
- Lenti M
- Martelli F
- Ruggiero G
- Veltri M
- Behler M
- Eppard K
- Eppard M
- Hirstius A
- Kleinknecht K
- Koch U
- Masetti L
- Marouelli P
- Moosbrugger U
- Morales CM
- Peters A
- Wanke R
- Winhart A
- Dabrowski A
- Martin TF
- Szleper M
- Velasco M
- Anzivino G
- Cenci P
- Imbergamo E
- Lamanna G
- Lubrano P
- Michetti A
- Nappi A
- Pepe M
- Petrucci MC
- Piccini M
- Valdata M
- Cerri C
- Collazuol G
- Costantini F
- Fantechi R
- Fiorini L
- Giudici S
- Mannelli I
- Pierazzini G
- Sozzi M
- Cheshkov C
- Cheze JB
- De Beer M
- Debu P
- Gouge G
- Marel G
- Mazzucato E
- Peyaud B
- Vallage B
- Holder M
- Maier A
- Ziolkowski M
- Biino C
- Cartiglia N
- Clemencic M
- Goy-Lopez S
- Menichetti E
- Pastrone N
- Wislicki W
- Dibon H
- Jeitler M
- Markytan M
- Neuhofer G
- Widhalm L
DOIAbstract
A search for the decay K-S -->pi(o) mu(+) mu(-) has been made by the NA48/1 Collaboration at the CERN SPS accelerator. The data were collected during 2002 with a high-intensity K-S beam. Six events were found with a background expectation of 0.22(-0.11)(+0.18) events. Using a vector matrix element and unit form factor, the measured branching ratio is B(K-S --> pi(o) mu(+) mu(-)) = [2.9(-1.2)(+1.5) (stat) +/- 0.2(syst)] X10(-9). (C) 2004 Elsevier B.V All rights reserved
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