Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$

A search for the decay $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$ 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 $0.22^{+0.18}_{0.11}$ events. Using a vecto...

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Detalles Bibliográficos
Autores principales: Batley, J.R., Kalmus, G.E., Lazzeroni, C., Munday, D.J., Patel, M., Slater, M.W., Wotton, S.A., 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, Yu., Stoynev, S., Zinchenko, A., Sacco, R., Walker, A., Baldini, W., Dalpiaz, P., Duclos, J., Frabetti, P.L., 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 Morales, C., Peters, A., Wanke, R., Winhart, A., Dabrowski, A., Fonseca Martin, T., Szleper, M., Velasco, M., Anzivino, G., Cenci, P., Imbergamo, E., Lamanna, G., Lubrano, P., Michetti, A., Nappi, A., Pepe, M., Petrucci, M.C., 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, J.B., 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, Ezio A., Pastrone, N., Wislicki, W., Dibon, H., Jeitler, M., Markytan, M., Neuhofer, G., Widhalm, L.
Lenguaje:eng
Publicado: 2004
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2004.08.058
http://cds.cern.ch/record/777240
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author Batley, J.R.
Kalmus, G.E.
Lazzeroni, C.
Munday, D.J.
Patel, M.
Slater, M.W.
Wotton, S.A.
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, Yu.
Stoynev, S.
Zinchenko, A.
Sacco, R.
Walker, A.
Baldini, W.
Dalpiaz, P.
Duclos, J.
Frabetti, P.L.
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 Morales, C.
Peters, A.
Wanke, R.
Winhart, A.
Dabrowski, A.
Fonseca Martin, T.
Szleper, M.
Velasco, M.
Anzivino, G.
Cenci, P.
Imbergamo, E.
Lamanna, G.
Lubrano, P.
Michetti, A.
Nappi, A.
Pepe, M.
Petrucci, M.C.
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, J.B.
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, Ezio A.
Pastrone, N.
Wislicki, W.
Dibon, H.
Jeitler, M.
Markytan, M.
Neuhofer, G.
Widhalm, L.
author_facet Batley, J.R.
Kalmus, G.E.
Lazzeroni, C.
Munday, D.J.
Patel, M.
Slater, M.W.
Wotton, S.A.
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, Yu.
Stoynev, S.
Zinchenko, A.
Sacco, R.
Walker, A.
Baldini, W.
Dalpiaz, P.
Duclos, J.
Frabetti, P.L.
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 Morales, C.
Peters, A.
Wanke, R.
Winhart, A.
Dabrowski, A.
Fonseca Martin, T.
Szleper, M.
Velasco, M.
Anzivino, G.
Cenci, P.
Imbergamo, E.
Lamanna, G.
Lubrano, P.
Michetti, A.
Nappi, A.
Pepe, M.
Petrucci, M.C.
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, J.B.
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, Ezio A.
Pastrone, N.
Wislicki, W.
Dibon, H.
Jeitler, M.
Markytan, M.
Neuhofer, G.
Widhalm, L.
author_sort Batley, J.R.
collection CERN
description A search for the decay $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$ 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 $0.22^{+0.18}_{0.11}$ events. Using a vector matrix element and unit form factor, the measured branching ratio is $B(K_{S} \to \pi^{0}\mu^{+}\mu^{-}) = [2.9^{+1.5}_{-1.2}(stat) \pm 0.2(syst)] \times 10^{9}$.
id cern-777240
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2004
record_format invenio
spelling cern-7772402023-08-03T03:41:35Zdoi:10.1016/j.physletb.2004.08.058http://cds.cern.ch/record/777240engBatley, J.R.Kalmus, G.E.Lazzeroni, C.Munday, D.J.Patel, M.Slater, M.W.Wotton, S.A.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, Yu.Stoynev, S.Zinchenko, A.Sacco, R.Walker, A.Baldini, W.Dalpiaz, P.Duclos, J.Frabetti, P.L.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 Morales, C.Peters, A.Wanke, R.Winhart, A.Dabrowski, A.Fonseca Martin, T.Szleper, M.Velasco, M.Anzivino, G.Cenci, P.Imbergamo, E.Lamanna, G.Lubrano, P.Michetti, A.Nappi, A.Pepe, M.Petrucci, M.C.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, J.B.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, Ezio A.Pastrone, N.Wislicki, W.Dibon, H.Jeitler, M.Markytan, M.Neuhofer, G.Widhalm, L.Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$Particle Physics - ExperimentA search for the decay $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$ 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 $0.22^{+0.18}_{0.11}$ events. Using a vector matrix element and unit form factor, the measured branching ratio is $B(K_{S} \to \pi^{0}\mu^{+}\mu^{-}) = [2.9^{+1.5}_{-1.2}(stat) \pm 0.2(syst)] \times 10^{9}$.A search for the decay KS→π0μ+μ− has been made by the NA48/1 Collaboration at the CERN SPS accelerator. The data were collected during 2002 with a high-intensity KS 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(KS→π0μ+μ−)=[2.9−1.2+1.5(stat)±0.2(syst)]×10−9.A search for the decay K_S -> pi^0mu^+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^+0.18_-0.11 event. Using a vector matrix element and unit form factor, the measured branching ratio is B(K_S -> pi^0mu^+mu^-)=[2.9^+1.5_-1.2(stat)+/-0.2(syst)]x10^{-9}.hep-ex/0409011CERN-PH-EP-2004-025CERN-PH-EP-2004-025oai:cds.cern.ch:7772402004-06-15
spellingShingle Particle Physics - Experiment
Batley, J.R.
Kalmus, G.E.
Lazzeroni, C.
Munday, D.J.
Patel, M.
Slater, M.W.
Wotton, S.A.
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, Yu.
Stoynev, S.
Zinchenko, A.
Sacco, R.
Walker, A.
Baldini, W.
Dalpiaz, P.
Duclos, J.
Frabetti, P.L.
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 Morales, C.
Peters, A.
Wanke, R.
Winhart, A.
Dabrowski, A.
Fonseca Martin, T.
Szleper, M.
Velasco, M.
Anzivino, G.
Cenci, P.
Imbergamo, E.
Lamanna, G.
Lubrano, P.
Michetti, A.
Nappi, A.
Pepe, M.
Petrucci, M.C.
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, J.B.
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, Ezio A.
Pastrone, N.
Wislicki, W.
Dibon, H.
Jeitler, M.
Markytan, M.
Neuhofer, G.
Widhalm, L.
Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title_full Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title_fullStr Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title_full_unstemmed Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title_short Observation of the rare decays $K_{S} \to \pi^{0} \mu^{+} \mu^{-}$
title_sort observation of the rare decays $k_{s} \to \pi^{0} \mu^{+} \mu^{-}$
topic Particle Physics - Experiment
url https://dx.doi.org/10.1016/j.physletb.2004.08.058
http://cds.cern.ch/record/777240
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