CERN Accelerating science

Article
Report number arXiv:1808.09041 ; CERN-EP-2018-231
Title Measurement of the form factors of charged kaon semileptonic decays
Author(s)

Batley, John Richard (Cambridge U.) ; Kalmus, George (Cambridge U.) ; Lazzeroni, Cristina (Cambridge U.) ; Munday, David John (Cambridge U.) ; Slater, Mark W (Cambridge U.) ; Wotton, Stephen A (Cambridge U.) ; Arcidiacono, Roberta (CERN) ; Ceccucci, Augusto (CERN) ; Bocquet, Ginette (CERN) ; Cabibbo, Nicola (CERN) ; Cundy, Donald (CERN) ; Falaleev, Valeri (CERN ; Dubna, JINR) ; Gatignon, Lau (CERN) ; Fidecaro, Maria (CERN) ; Gonidec, Allain (CERN) ; Kubischta, Werner (CERN) ; Maier, Andrew (CERN) ; Norton, Alan (CERN ; INFN, Ferrara) ; Patel, Mitesh (CERN) ; Peters, Andreas Joachim (CERN) ; Balev, Spasimir (Dubna, JINR) ; Frabetti, PierLuigi (Dubna, JINR) ; Gersabeck, Evelina Mihova (Dubna, JINR) ; Goudzovski, Evgueni (Dubna, JINR) ; Hristov, Peter (Dubna, JINR ; CERN) ; Kekelidze, Vladimir (Dubna, JINR) ; Madigozhin, Dmitry (Dubna, JINR) ; Molokanova, Natalia (Dubna, JINR) ; Polenkevich, Irina (Dubna, JINR) ; Potrebenikov, Yuri (Dubna, JINR) ; Shkarovskiy, Sergey (Dubna, JINR) ; Stoynev, Stoyan (Dubna, JINR ; Fermilab) ; Zinchenko, Andrey (Dubna, JINR) ; Kozhuharov, Venelin (Dubna, JINR) ; Litov, Leandar (Dubna, JINR) ; Monnier, Emmanuel (Chicago U., EFI) ; Swallow, Earl (Chicago U., EFI) ; Winston, Roland (Chicago U., EFI) ; Rubin, Philip David (Edinburgh U.) ; Walker, Alan (Edinburgh U.) ; Baldini, Wander (INFN, Ferrara) ; Cotta Ramusino, Angelo (INFN, Ferrara) ; Dalpiaz, Pietro (Ferrara U. ; INFN, Ferrara) ; Damiani, Chiara (Ferrara U. ; INFN, Ferrara) ; Fiorini, Massimiliano (Ferrara U. ; INFN, Ferrara) ; Gianoli, Alberto (INFN, Ferrara) ; Martini, Mara (Ferrara U. ; INFN, Ferrara) ; Petrucci, Ferruccio (Ferrara U. ; INFN, Ferrara) ; Savrié, Mauro (Ferrara U. ; INFN, Ferrara) ; Scarpa, Marcella (Ferrara U. ; INFN, Ferrara) ; Wahl, Heinrich (Ferrara U. ; INFN, Ferrara) ; Bizzeti, Andrea (INFN, Florence) ; Veltri, Michele (INFN, Florence) ; Calvetti, Mario (Florence U. ; INFN, Florence) ; Celeghini, Enrico (Florence U. ; INFN, Florence) ; Iacopini, Enrico (Florence U. ; INFN, Florence) ; Lenti, Massimo (Florence U. ; INFN, Florence) ; Ruggiero, Giuseppe (Florence U. ; INFN, Florence) ; Behler, Matthias (Mainz U., Inst. Phys.) ; Eppard, Kirsten (Mainz U., Inst. Phys.) ; Hita-Hochgesand, Manuel (Mainz U., Inst. Phys.) ; Kleinknecht, Konrad (Mainz U., Inst. Phys.) ; Marouelli, Peter (Mainz U., Inst. Phys.) ; Masetti, Lucia (Mainz U., Inst. Phys.) ; Moosbrugger, Ulrich (Mainz U., Inst. Phys.) ; Morales Morales, Cristina (Mainz U., Inst. Phys.) ; Renk, Burkhard (Mainz U., Inst. Phys.) ; Wache, Martin (Mainz U., Inst. Phys.) ; Winhart, Andreas (Mainz U., Inst. Phys.) ; Wanke, Rainer (Mainz U., Inst. Phys.) ; Coward, David (Northwestern U.) ; Dabrowski, Anne (Northwestern U. ; CERN) ; Fonseca Martin, Teresa (Northwestern U.) ; Shieh, Michal (Northwestern U.) ; Szleper, Michal (Northwestern U.) ; Velasco, Mayda (Northwestern U.) ; Wood, Matthew D (Northwestern U.) ; Cenci, Patrizia (INFN, Perugia) ; Pepe, Monica (INFN, Perugia) ; Petrucci, Maria Cristina (INFN, Perugia) ; Anzivino, Giuseppina (INFN, Perugia ; Perugia U.) ; Imbergamo, Ermanno (INFN, Perugia ; Perugia U.) ; Nappi, Aniello (INFN, Perugia ; Perugia U.) ; Piccini, Mauro (INFN, Perugia ; Perugia U.) ; Raggi, Mauro (INFN, Perugia ; Perugia U.) ; Valdata-Nappi, Marisa (INFN, Perugia ; Perugia U.) ; Cerri, Claudio (INFN, Pisa) ; Fantechi, Riccardo (INFN, Pisa) ; Collazuol, Gianmaria (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Di Lella, Luigi (INFN, Pisa ; Pisa, Scuola Normale Superiore ; Pisa U.) ; Lamanna, Gianluca (INFN, Pisa ; Pisa, Scuola Normale Superiore ; Pisa U.) ; Mannelli, Italo (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Michetti, Andrea (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Costantini, Flavio (INFN, Pisa ; Pisa U.) ; Doble, Niels (INFN, Pisa ; Pisa U.) ; Fiorini, Luca (INFN, Pisa ; Pisa U.) ; Giudici, Sergio (INFN, Pisa ; Pisa U.) ; Pierazzini, Giuseppe (INFN, Pisa ; Pisa U.) ; Sozzi, Marco (INFN, Pisa ; Pisa U.) ; Venditti, Stefano (INFN, Pisa ; Pisa U.) ; Bloch-Devaux, Brigitte (IRFU, Saclay) ; Peyaud, Bernard (IRFU, Saclay) ; Cheshkov, Cvetan (IRFU, Saclay) ; Chèze, Jean-Baptiste (IRFU, Saclay) ; De Beer, Michel (IRFU, Saclay) ; Derré, Jacques (IRFU, Saclay) ; Marel, Gerard (IRFU, Saclay) ; Mazzucato, Eduardo (IRFU, Saclay) ; Vallage, Bertrand (IRFU, Saclay) ; Holder, Martin (Siegen U.) ; Ziolkowski, Michal (Siegen U.) ; Biino, Cristina (INFN, Turin) ; Cartiglia, Nicolo (INFN, Turin) ; Marchetto, Flavio (INFN, Turin) ; Bifani, Simone (INFN, Turin ; Turin U.) ; Clemencic, Marco (INFN, Turin ; Turin U. ; CERN) ; Goy Lopez, Silvia (INFN, Turin ; Turin U.) ; Dibon, Heinz (Vienna, OAW) ; Jeitler, Manfred (Vienna, OAW) ; Markytan, Manfred (Vienna, OAW) ; Mikulec, Ivan (Vienna, OAW) ; Neuhofer, Gunther (Vienna, OAW) ; Widhalm, Laurenz (Vienna, OAW)

Publication 2018-10-24
Imprint 23 Aug 2018
Number of pages 20
Note 20 pages , 9 figures, 5 tables
In: JHEP 10 (2018) 150
DOI 10.1007/JHEP10(2018)150
Subject category Particle Physics - Experiment ; hep-ex
Accelerator/Facility, Experiment CERN SPS ; NA48-2
Free keywords flavor physics ; QCD ; experimental results ; semileptonic kaon decays ; form factors
Abstract A measurement of the form factors of charged kaon semileptonic decays is presented, based on $4.4 \times 10^{6}$ $K^\pm \to \pi^0 e^\pm \nu_e$ ($K^\pm_{e3}$) and $2.3 \times 10^{6}$ $K^\pm \to \pi^0 \mu^\pm \nu_\mu$ ($K^\pm_{\mu3}$) decays collected in 2004 by the NA48/2 experiment. The results are obtained with improved precision as compared to earlier measurements. The combination of measurements in the $K^\pm_{e3}$ and $K^\pm_{\mu3}$ modes is also presented.
Copyright/License Preprint: © 2018-2024 CERN (License: CC-BY-4.0)



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