E. O. Rosanowski, T. C. Jude, S. Alef, A. J. Clara Figueiredo, R. Di Salvo, D. Elsner, A. Fantini, O. Freyermuth, F. Frommberger, F. Ghio, J. Groß, K. Kohl, P. Levi Sandri, G. Mandaglio, R. Messi, D. Moricciani, P. Pedroni, B. -E. Reitz, M. Romaniuk, G. Scheluchin, H. Schmieden, A. Sonnenschein
{"title":"$K^+Λ(1520)$ photoproduction at forward angles near threshold with the BGOOD experiment","authors":"E. O. Rosanowski, T. C. Jude, S. Alef, A. J. Clara Figueiredo, R. Di Salvo, D. Elsner, A. Fantini, O. Freyermuth, F. Frommberger, F. Ghio, J. Groß, K. Kohl, P. Levi Sandri, G. Mandaglio, R. Messi, D. Moricciani, P. Pedroni, B. -E. Reitz, M. Romaniuk, G. Scheluchin, H. Schmieden, A. Sonnenschein","doi":"arxiv-2406.01121","DOIUrl":null,"url":null,"abstract":"The differential cross section for $\\gamma p\\rightarrow K^+\\Lambda(1520)$ was\nmeasured from threshold to a centre-of-mass energy of 2090\\,MeV at forward\nangles at the BGOOD experiment. The high statistical precision and resolution\nin centre-of-mass energy and angle allows a detailed characterisation of this\nlow-momentum transfer kinematic region. The data agree with a previous LEPS\nmeasurement and support effective Lagrangian models that indicate that the\ncontact term dominates the cross section near threshold.","PeriodicalId":501206,"journal":{"name":"arXiv - PHYS - Nuclear Experiment","volume":"5 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Nuclear Experiment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2406.01121","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The differential cross section for $\gamma p\rightarrow K^+\Lambda(1520)$ was
measured from threshold to a centre-of-mass energy of 2090\,MeV at forward
angles at the BGOOD experiment. The high statistical precision and resolution
in centre-of-mass energy and angle allows a detailed characterisation of this
low-momentum transfer kinematic region. The data agree with a previous LEPS
measurement and support effective Lagrangian models that indicate that the
contact term dominates the cross section near threshold.
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