Abstract
NA62 has searched for the \(K^+\rightarrow \pi ^+\nu \overline{\nu }\) decay using a new kaon decay in-flight technique. One candidate event, compatible with the Standard Model prediction, has been observed from a sample of \(1.2\times 10^{11}\) decays. Assuming that the event is background, an upper limit of \(1.4\times 10^{-9}\) (95% CL) has been placed. Prospects for further improvements of the measurement are given.
The speakers acknowledges support from CONACyT to attend this conference.
For the NA62 Collaboration.
The NA62 Collaboration: R. Aliberti, F. Ambrosino, R. Ammendola, B. Angelucci, A. Antonelli, G. Anzivino, R. Arcidiacono, M. Barbanera, A. Biagioni, L. Bician, C. Biino, A. Bizzeti, T. Blazek, B. Bloch-Devaux, V. Bonaiuto, M. Boretto, M. Bragadireanu, D. Britton, F. Brizioli, M.B. Brunetti, D. Bryman, F. Bucci, T. Capussela, A. Ceccucci, P. Cenci, V. Cerny, C. Cerri, B. Checcucci, A. Conovaloff, P. Cooper, E. Cortina Gil, M. Corvino, F. Costantini, A. Cotta Ramusino, D. Coward, G. D’Agostini, J. Dainton, P. Dalpiaz, H. Danielsson, N. De Simone, D. Di Filippo, L. Di Lella, N. Doble, B. Dobrich, F. Duval, V. Duk, J. Engelfried, T. Enik, N. Estrada-Tristan, V. Falaleev, R. Fantechi, V. Fascianelli, L. Federici, S. Fedotov, A. Filippi, M. Fiorini, J. Fry, J. Fu, A. Fucci, L. Fulton, E. Gamberini, L. Gatignon, G. Georgiev, S. Ghinescu, A. Gianoli, M. Giorgi, S. Giudici, F. Gonnella, E. Goudzovski, C. Graham, R. Guida, E. Gushchin, F. Hahn, H. Heath, T. Husek, O. Hutanu, D. Hutchcroft, L. Iacobuzio, E. Iacopini, E. Imbergamo, B. Jenninger, K. Kampf, V. Kekelidze, S. Kholodenko, G. Khoriauli, A. Khotyantsev, A. Kleimenova, A. Korotkova, M. Koval, V. Kozhuharov, Z. Kucerova, Y. Kudenko, J. Kunze, V. Kurochka, V.Kurshetsov, G. Lanfranchi, G. Lamanna, G. Latino, P. Laycock, C. Lazzeroni, M. Lenti, G. Lehmann Miotto, E. Leonardi, P. Lichard, L. Litov, R. Lollini, D. Lomidze, A. Lonardo, P. Lubrano, M. Lupi, N. Lurkin, D. Madigozhin, I. Mannelli, G. Mannocchi, A. Mapelli, F. Marchetto, R. Marchevski, S. Martellotti, P. Massarotti, K. Massri, E. Maurice, M. Medvedeva, A. Mefodev, E. Menichetti, E. Migliore, E. Minucci, M. Mirra, M. Misheva, N. Molokanova, M. Moulson, S. Movchan, M. Napolitano, I. Neri, F. Newson, A. Norton, M. Noy, T. Numao, V. Obraztsov, A. Ostankov, S. Padolski, R. Page, V. Palladino, C. Parkinson, E. Pedreschi, M. Pepe, M. Perrin-Terrin, L. Peruzzo, P. Petrov, F. Petrucci, R. Piandani, M. Piccini, J. Pinzino, I. Polenkevich, L. Pontisso, Yu. Potrebenikov, D. Protopopescu, M. Raggi, A. Romano, P. Rubin, G. Ruggiero, V. Ryjov, A. Salamon, C. Santoni, G. Saracino, F. Sargeni, V. Semenov, A. Sergi, A. Shaikhiev, S. Shkarovskiy, D. Soldi, V. Sougonyaev, M. Sozzi, T. Spadaro, F. Spinella, A. Sturgess, J. Swallow, S. Trilov, P. Valente, B. Velghe, S. Venditti, P. Vicini, R. Volpe, M. Vormstein, H. Wahl, R. Wanke, B. Wrona, O. Yushchenko, M. Zamkovsky, A. Zinchenko.
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Notes
- 1.
Taking the latest PDG [8] values gives \(\mathcal{B}(K^+\rightarrow \pi ^+\nu \overline{\nu })_\mathrm{SM} = (0.93\pm 0.07)\times 10^{-10}\).
References
N. Cabibbo, Phys. Rev. Lett. 10, 531 (1963). https://doi.org/10.1103/PhysRevLett.10.531
M. Kobayashi, T. Maskawa, Prog. Theor. Phys. 49, 652 (1973). https://doi.org/10.1143/PTP.49.652
S.L. Glashow, J. Iliopoulos, L. Maiani, Phys. Rev. D 2, 1285 (1970). https://doi.org/10.1103/PhysRevD.2.1285
G. Buchalla, A.J. Buras, Nucl. Phys. B 400, 225 (1993). https://doi.org/10.1016/0550-3213(93)90405-E
G. Buchalla, A.J. Buras, Nucl. Phys. B 412, 106 (1994). https://doi.org/10.1016/0550-3213(94)90496-0 [hep-ph/9308272]
M. Misiak, J. Urban, Phys. Lett. B 451, 161 (1999). https://doi.org/10.1016/S0370-2693(99)00150-1 [hep-ph/9901278]
A.J. Buras, D. Buttazzo, J. Girrbach-Noe, R. Knegjens, JHEP 1511, 033 (2015). https://doi.org/10.1007/JHEP11(2015)033. [arXiv:1503.02693] [hep-ph]
M. Tanabashi et al., Particle data group. Phys. Rev. D 98, 030001 (2018)
A.V. Artamonov et al. (BNL-E949 Collaboration), Phys. Rev. D 79, 092004 (2009). https://doi.org/10.1103/PhysRevD.79.092004. [arXiv:0903.0030] [hep-ex]
E. Cortina Gil et al. (NA62 Collaboration), JINST 12(05), P05025 (2017). https://doi.org/10.1088/1748-0221/12/05/P05025. [arXiv:1703.08501] [physics.ins-det]
M. Blanke, A.J. Buras, B. Duling, K. Gemmler, S. Gori, JHEP 0903, 108 (2009). https://doi.org/10.1088/1126-6708/2009/03/108. [arXiv:0812.3803] [hep-ph]
T. Blaźek, P. Maták, Int. J. Mod. Phys. A 29(27), 1450162 (2014). https://doi.org/10.1142/S0217751X14501620 [arXiv:1410.0055] [hep-ph]
G. Isidori, F. Mescia, P. Paradisi, C. Smith, S. Trine, JHEP P0608, 064 (2006). https://doi.org/10.1088/1126-6708/2006/08/064 [hep-ph/0604074]
A.J. Buras, D. Buttazzo, R. Knegjens, JHEP 1511, 166 (2015). https://doi.org/10.1007/JHEP11(2015)166.[arXiv:1507.08672] [hep-ph]
M. Blanke, A.J. Buras, S. Recksiegel, Eur. Phys. J. C 76(4), 182 (2016). https://doi.org/10.1140/epjc/s10052-016-4019-7. [arXiv:1507.06316] [hep-ph]
M. Bordone, D. Buttazzo, G. Isidori, J. Monnard, Eur. Phys. J. C 77(9), 618 (2017). https://doi.org/10.1140/epjc/s10052-017-5202-1. [arXiv:1705.10729] [hep-ph]
N. Estrada-Tristán (NA62 Collaboration), These proceedings
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Engelfried, J. (2019). Search for \(K^+\rightarrow \pi ^+\nu \overline{\nu }\): First NA62 Results. In: Giri, A., Mohanta, R. (eds) 16th Conference on Flavor Physics and CP Violation. FPCP 2018. Springer Proceedings in Physics, vol 234. Springer, Cham. https://doi.org/10.1007/978-3-030-29622-3_19
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