Measurement of the pi0 electromagnetic transition form factor slope
- Lazzeroni, C.
- Lurkin, N.
- Romano, A.
- The NA62 Collaboration, null
- 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.
- Molokanova, N.
- Movchan, S.
- Potrebenikov, Yu.
- Shkarovskiy, S.
- Zinchenko, A.
- Rubin, P.
- Baldini, W.
- Cotta Ramusino, A.
- Dalpiaz, P.
- Fiorini, M.
- Gianoli, A.
- Norton, A.
- Petrucci, F.
- Savrié, M.
- Wahl, H.
- Bizzeti, A.
- Bucci, F.
- Iacopini, E.
- Lenti, M.
- Veltri, M.
- Antonelli, A.
- Moulson, M.
- Raggi, M.
- Spadaro, T.
- Eppard, K.
- Hita-Hochgesand, M.
- Kleinknecht, K.
- Renk, B.
- Wanke, R.
- Winhart, A.
- Winston, R.
- Bolotov, V.
- Duk, V.
- Gushchin, E.
- Ambrosino, F.
- Di Filippo, D.
- Massarotti, P.
- Napolitano, M.
- Palladino, V.
- Saracino, G.
- Anzivino, G.
- Imbergamo, E.
- Piandani, R.
- Sergi, A.
- Cenci, P.
- Pepe, M.
- Costantini, F.
- Doble, N.
- Giudici, S.
- Pierazzini, G.
- Sozzi, M.
- Venditti, S.
- Balev, S.
- Collazuol, G.
- DiLella, L.
- Gallorini, S.
- Goudzovski, E.
- Lamanna, G.
- Mannelli, I.
- Ruggiero, G.
- Cerri, C.
- Fantechi, R.
- Kholodenko, S.
- Kurshetsov, V.
- Obraztsov, V.
- Semenov, V.
- Yushchenko, O.
- D'Agostini, G.
- Leonardi, E.
- Serra, M.
- Valente, P.
- Fucci, A.
- Salamon, A.
- Bloch-Devaux, B.
- Peyaud, B.
- Engelfried, J.
- Coward, D.
- Kozhuharov, V.
- Litov, L.
- Arcidiacono, R.
- Bifani, S.
- Biino, C.
- Dellacasa, G.
- Marchetto, F.
- Numao, T.
- Retière, F.
DOIAbstract
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 Ï0electromagnetic transition form factor slope parameter from 1.11Ã106fully reconstructed K±âϱÏD0, ÏD0âe+eâγ events is reported. The measured value a=(3.68±0.57)Ã10â2is 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
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