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CARDY, M L , FAGERSTROEM, C P , FRISKEN, W R , FURUTANI, K M , KHAKZAD, M and SCHMIDKE, W B (1995) Exclusive $ρ^0$ production in deep inelastic electron-proton scattering at HERA. Physics Letters B, 356 (4).
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The exclusive production of rho(0) mesons in deep inelastic electron-proton scattering has been studied using the ZEUS detector Cross sections have been measured in the range 7 < Q(2) < 25 GeV2 for gamma*p centre of mass (c.m.) energies from 40 to 130 GeV. The gamma*p --> rho(0)p cross section exhibits a Q(-(4.2+/-0.8-0.5+14)) dependence and bath longitudinally and transversely polarised rho(0)'s are observed. The gamma*p --> rho(0)p cross section rises strongly with increasing c.m. energy, when compared with NMC data at lower energy, which cannot be explained by production through soft pomeron exchange. The data are compared with perturbative QCD calculations where the rise in the cross section reflects the increase in the gluon density at low x.
This is a Submitted version This version's date is: 24/8/1995 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/e64ea62a-2a71-3928-ce26-aa0d243e2ede/4/
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