Abstract
Exclusive electroproduction of φ mesons has been studied in e±p collisions at √s = 318 GeV with the ZEUS detector at HERA using an integrated luminosity of 65.1 pb-1. The γ* p cross section is presented in the kinematic range 2 GeV2 < Q2 < 70 GeV2, 35 GeV < W < 145 GeV and t < 0.6 GeV2. The cross sections as functions of Q2, W, t and helicity angle θh are compared to cross sections for other vector mesons. The ratios R of the cross sections for longitudinally and transversely polarized virtual photons are presented as functions of Q2 and W. The data are also compared to predictions from theoretical models.
| Lingua originale | Inglese |
|---|---|
| pagine (da-a) | 3-31 |
| Numero di pagine | 29 |
| Rivista | Nuclear Physics B |
| Volume | 718 |
| Numero di pubblicazione | 1-2 |
| DOI | |
| Stato di pubblicazione | Pubblicato - 4 lug 2005 |
| Pubblicato esternamente | Sì |
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