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First observation and study of the K-+/- -> pi(+/-)pi(0)e(+)e(-) decay
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 1-s2.0-S037026931830892X-main.pdf | Published version | 466.59 kB | Adobe PDF | View/Open |
| Title: | First observation and study of the K-+/- -> pi(+/-)pi(0)e(+)e(-) decay |
| Authors: | Batley, JR Kalmus, G Lazzeroni, C Munday, DJ Slater, MW Wotton, SA Arcidiacono, R Bocquet, G Cabibbo, N Ceccucci, A Cundy, D Falaleev, V Fidecaro, M Gatignon, L Gonidec, A Kubischta, W Maier, A Norton, A Patel, M Peters, A Balev, S Frabetti, PL Gersabeck, E Goudzovski, E Hristov, P Kekelidze, V Kozhuharov, V Litov, L Madigozhin, D Misheva, M Molokanova, N Polenkevich, I Potrebenikov, Y Stoynev, S Zinchenko, A Monnier, E Swallow, E Winston, R Rubin, P Walker, A Dalpiaz, P Damiani, C Fiorini, M Martini, M Petrucci, F Savrie, M Scarpa, M Wahl, H Baldini, W Ramusino, AC Gianoli, A Calvetti, M Celeghini, E Iacopini, E Lenti, M Ruggiero, G Bizzeti, A Veltri, M Behler, M Eppard, K Hita-Hochgesand, M Kleinknecht, K Marouelli, P Masetti, L Moosbrugger, U MoralesMorales, C Renk, B Wache, M Wanke, R Winhart, A Coward, D Dabrowski, A Martin, TF Shieh, M Szleper, M Velasco, M Wood, MD Anzivino, G Imbergamo, E Nappi, A Piccini, M Raggi, M Valdata-Nappi, M Cenci, P Pepe, M Petrucci, MC Costantini, F Doble, N Fiorini, L Giudici, S Pierazzini, G Sozzi, M Venditti, S Collazuol, G DiLella, L Lamanna, G Mannelli, I Michetti, A Cerri, C Fantechi, R Bloch-Devaux, B Cheshkov, C Cheze, JB De Beer, M Derre, J Marel, G Mazzucato, E Peyaud, B Vallage, B Holder, M Ziolkowski, M Bifani, S Clemencic, M Lopez, SG Biino, C Cartiglia, N Marchetto, F Dibon, H Jeitler, M Markytan, M Mikulec, I Neuhofer, G Widhalm, L |
| Item Type: | Journal Article |
| Abstract: | The NA48/2 experiment at CERN reports the first observation of the decay from an exposure of charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region, . The study of the kinematic space shows evidence for a structure dependent contribution in agreement with predictions based on chiral perturbation theory. Several P- and CP-violating asymmetries are also evaluated. |
| Issue Date: | 10-Jan-2019 |
| Date of Acceptance: | 26-Nov-2018 |
| URI: | http://hdl.handle.net/10044/1/67249 |
| DOI: | https://dx.doi.org/10.1016/j.physletb.2018.11.046 |
| ISSN: | 0370-2693 |
| Publisher: | Elsevier |
| Start Page: | 552 |
| End Page: | 561 |
| Journal / Book Title: | Physics Letters B |
| Volume: | 788 |
| Copyright Statement: | © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. |
| Keywords: | Science & Technology Physical Sciences Astronomy & Astrophysics Physics, Nuclear Physics, Particles & Fields Physics CP VIOLATION MONTE-CARLO SEARCH 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics Nuclear & Particles Physics |
| Publication Status: | Published |
| Open Access location: | http://doi.org/10.1016/j.physletb.2018.11.046 |
| Online Publication Date: | 2018-11-29 |
| Appears in Collections: | Physics High Energy Physics |