Photoproduction of K+Λ(1405)→K+π0Σ0 extending to forward angles and low momentum transfer

G. Scheluchin,T. C. Jude, S. Alef, P. Bauer, D. Bayadilov, R. Beck, A. Braghieri,P. L. Cole,R. Di Salvo,D. Elsner,A. Fantini, O. Freyermuth, F. Fromberger,F. Ghio,A. Gridnev, D. Hammann,J. Hannappel, K. Kohl, N. Kozlenko,A. Lapik,P. Levi Sandri,V. Lisin,G. Mandaglio,R. Messi,D. Moricciani, A. Mushkarenkov,V. Nedorezov, D. Novinsky,P. Pedroni,A. Polonski, B. -E. Reitz,M. Romaniuk, H. Schmieden,V. Sumachev, V. Tarakanov

Physics Letters B（2022）

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摘要

K+Λ(1405) photoproduction has been studied at the BGOOD experiment via the all neutral decay, Λ(1405)→Σ0π0. The unique BGOOD experimental setup allows both the cross section and Λ(1405) invariant mass distribution (line shape) to be measured over a broad K+ polar angle range, extending to extreme forward K+ angles unattainable at previous experiments.

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关键词

Strangeness photoproduction,Λ(1405),BGOOD

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