We study the process e+e-→e+e-η′ in the double-tag mode and measure for the first time the γ γ →η′ transition form factor Fη′(Q12,Q22) in the momentum-transfer range 2<Q12, Q22<60 GeV2. The analysis is based on a data sample corresponding to an integrated luminosity of around 469 fb-1 collected at the PEP-II e+e- collider with the BABAR detector at center-of-mass energies near 10.6 GeV.

Lees, J., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., et al. (2018). Measurement of the γ∗γ∗ →η′ transition form factor. PHYSICAL REVIEW D, 98(11), 1-11 [10.1103/PhysRevD.98.112002].

Measurement of the γ∗γ∗ →η′ transition form factor

Patrignani, C.;
2018

Abstract

We study the process e+e-→e+e-η′ in the double-tag mode and measure for the first time the γ γ →η′ transition form factor Fη′(Q12,Q22) in the momentum-transfer range 2
2018
Lees, J., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., et al. (2018). Measurement of the γ∗γ∗ →η′ transition form factor. PHYSICAL REVIEW D, 98(11), 1-11 [10.1103/PhysRevD.98.112002].
Lees, J.P.; Poireau, V.; Tisserand, V.; Grauges, E.; Palano, A.; Eigen, G.; Brown, D.N.; Kolomensky, Yu.G.; Fritsch, M.; Koch, H.; Schroeder, T.; Hear...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/661134
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