The NA62 experiment collected a large sample of charged kaon decays in 2007 with a highly efficient trigger for decays into electrons. A measurement of the π0electromagnetic transition form factor slope parameter from 1.11×106fully reconstructed K±→π±πD0, πD0→e+e−γ events is reported. The measured value a=(3.68±0.57)×10−2is in good agreement with theoretical expectations and previous measurements, and represents the most precise experimental determination of the slope in the time-like momentum transfer region.

Measurement of the pi0 electromagnetic transition form factor slope / Lazzeroni, C., Lurkin, N., Romano, A., The Na62 Collaboration, N., Blazek, T., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P.L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 768:(2017), pp. 38-45. [10.1016/j.physletb.2017.02.042]

Measurement of the pi0 electromagnetic transition form factor slope

Bizzeti, A.;
2017

Abstract

The NA62 experiment collected a large sample of charged kaon decays in 2007 with a highly efficient trigger for decays into electrons. A measurement of the π0electromagnetic transition form factor slope parameter from 1.11×106fully reconstructed K±→π±πD0, πD0→e+e−γ events is reported. The measured value a=(3.68±0.57)×10−2is in good agreement with theoretical expectations and previous measurements, and represents the most precise experimental determination of the slope in the time-like momentum transfer region.
2017
768
38
45
Measurement of the pi0 electromagnetic transition form factor slope / Lazzeroni, C., Lurkin, N., Romano, A., The Na62 Collaboration, N., Blazek, T., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P.L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 768:(2017), pp. 38-45. [10.1016/j.physletb.2017.02.042]
Lazzeroni, C.; Lurkin, N.; Romano, A.; The Na62 Collaboration, Null; Blazek, T.; Ceccucci, A.; Danielsson, H.; Falaleev, V.; Gatignon, L.; Goy Lopez, ...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1156312
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