High-statistics measurement of neutral-pion pair production in two-photon collisions

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dc.creatorUehara, S.
dc.creatorWatanabe, Y.
dc.date2008-10-03
dc.date.accessioned2026-07-07T12:27:32Z
dc.date.available2026-07-07T12:27:32Z
dc.descriptionWe have measured the cross section for pi^0 pi^0 production in two-photon collisions using a data sample with an ntegrated luminosity of 95 fb^-1 collected with the Belle detector. We find at least four resonant structures including a peak from f_0(980), and a fitting of the result to partial-wave amplitudes assuming some resonances are applied. We also make a discussion on the higher-energy region data based on the preliminary results from an increased sample corresponding to the integrated luminosity of 223 fb^-1.
dc.description3 pages, 4 figures, proceedings to poster session at ICHEP08, Jul.29-Aug.5, 2008, Philadelphia, PA, USA
dc.identifierhttps://arxiv.org/abs/0810.0655
dc.identifierhttp://arxiv.org/abs/0810.0655
dc.identifierPhys.Rev.D78:052004,2008
dc.identifierdoi:10.1103/PhysRevD.78.052004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215237
dc.subjectHigh Energy Physics - Experiment
dc.titleHigh-statistics measurement of neutral-pion pair production in two-photon collisions
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