Physical Review Letters
We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ = 3.0–3.8 GeV and −t = 0.4–1.0 GeV2 . Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π− channel by performing a partial wave analysis of the reaction γp→pπ+π− . Clear evidence of the f0(980) meson was found in the interference between P and S waves at M π+π− ∼1 GeV. The S -wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ρ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment.
Original Publication Citation
Collaboration, C., Battaglieri, M., De Vita, R., Szczepaniak, A. P., Adhikari, K. P., Aghasyan, M., . . . Zhao, Z. W. (2009). Measurement of Direct fₒ(980) Photoproduction on the Proton. Physical Review Letters, 102(10), 102001. doi:10.1103/PhysRevLett.102.102001
0000-0003-1582-2376 (Dodge), 0000-0003-2243-6836 (Kuhn)
Adhikari, K. P.; Bagdasaryan, H.; Bültmann, S.; Careccia, S. L.; Dharmawardane, K. V.; Dodge, G. E.; Kalantarians, N.; Klein, A.; Klimenko, A.V.; Kuhn, S. E.; Lanchiet, J.; Niroula, M. R.; and Zhang, J., "Measurement of Direct fₒ(980) Photoproduction on the Proton" (2009). Physics Faculty Publications. 370.