Abstract
The energy dependence of the photon-proton total cross section, sigma(gamma p)(tot), was determined from e(+) p scattering data collected with the ZEUS detector at HERA at three values of the center-of-mass energy, W, of the gamma p system in the range 194 <W <296 GeV. This is the first determination of the W dependence of sigma(gamma p)(tot) from a single experiment at high W. Parameterizing sigma(gamma p)(tot) alpha W(2 epsilon), epsilon = 0.111 +/- 0.009 (stat.) +/- 0.036 (syst.) was obtained. (c) 2011 Elsevier B.V. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 184-193 |
| Number of pages | 10 |
| Journal | Physics Letters B |
| Volume | 697 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 7-Mar-2011 |
Keywords
- Photoproduction
- Total cross section
- Energy dependence
- OF-MASS ENERGY
- CENTRAL TRACKING DETECTOR
- ZEUS BARREL CALORIMETER
- LOW Q(2)
- LOW X
- DESIGN
- CONSTRUCTION
- SCATTERING
- IDENTIFICATION
- REPRESENTATION
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