Total cross section of the reaction pp→pK+Λ close to threshold

J.T Balewski,A Budzanowski,H Dombrowski, W Eyrich,C Goodman,D Grzonka,J Haidenbauer,C Hanhart, J Hauffe,L Jarczyk,M Jochmann,A Khoukaz,K Kilian,M Köhler,A Kozela,T Lister, A Metzger,P Moskal,W Oelert, C Quentmeier, R Santo,G Schepers, U Seddik,T Sefzick,J Smyrski,M Sokołowski, F Stinzing,A Strzałkowski,C Thomas, S Wirth,M Wolke, R Woodward,P Wüstner,D Wyrwa

Physics Letters B（1998）

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摘要

The energy dependence of the total cross section for the pp pK q L reaction was measured in the threshold region covering the excess energy range up to 7 MeV. Existing model calculations describe the slope of the measured cross sections well, but are too low by a factor of two to three in rate. The data were used for a precise determination of the beam momentum of the COSY-synchrotron. q 1998 Elsevier Science B.V.

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关键词

14.20.Jn,14.40.Aq

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