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   <subfield code="a">Study of the reaction γp → K+Λ(1520) at photon energies up to 2.65 GeV</subfield>
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   <subfield code="c">[F. Wieland, J. Barth, K. Glander, J. Hannappel, N. Jöpen, F. Klein, E. Klempt, R. Lawall, D. Menze, M. Ostrick, E. Paul, I. Schulday, W. Schwille]</subfield>
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   <subfield code="a">The reaction γp → K + Λ(1520) was measured in the energy range from threshold to 2.65 GeV with the SAPHIR detector at the electron stretcher facility ELSA in Bonn. The Λ(1520) production cross-section was analyzed in the decay modes pK −, $$ n\bar K^0 $$ , Σ ± π ∓, and Λπ + π − as a function of the photon energy and the squared four-momentum transfer t . While the cross-sections for the inclusive reactions rise steadily with energy, the cross-section of the process γp → K + Λ(1520) peaks at a photon energy of about 2.0 GeV, falls off exponentially with t , and shows a slope flattening with increasing photon energy. The angular distributions in the t-channel helicity system indicate neither a K nor a K * exchange dominance. Rather, the rapid change of the angular distribution with energy suggests that, in addition to t -channel K and K* exchange, amplitudes for formation of nucleon resonances in the s-channel play an important role.</subfield>
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