{"id":8220,"date":"1997-06-23T23:32:29","date_gmt":"1997-06-23T21:32:29","guid":{"rendered":"https:\/\/www.jassemajaka.com\/?p=8220"},"modified":"2019-02-14T23:43:50","modified_gmt":"2019-02-14T21:43:50","slug":"break-up-and-coherent-photoproduction-of-%ce%b7-mesons-on-the-deuteron","status":"publish","type":"post","link":"https:\/\/www.jassemajaka.com\/?p=8220","title":{"rendered":"Break-up and Coherent Photoproduction of \u03b7 Mesons on the Deuteron"},"content":{"rendered":"
\n
\n

Break-up and Coherent Photoproduction of \u03b7<\/span><\/span><\/span><\/span><\/span><\/span> Mesons on the Deuteron<\/h3>\n
P. Hoffmann-Rothe, M. Krebeck, J. Hey, M. Breuer, G. v. Edel, E. Hourany, M. Rigney, J. Ajaka, G. Anton, J. Arends, G. Berrier-Ronsin, W. Beulertz, G. Blanpied, A. Bock, J.-P. Didelez, K. Helbing, R. Maass, G. N\u00f6ldeke, B. Preedom, B. Richie, L. Rosier, B. Saghai, M. Schumacher, and F. Smend<\/h5>\n
Phys. Rev. Lett. 78<\/b>, 4697 \u2013 Published 23 June 1997<\/h5>\n

\n<\/div>\n

Abstract <\/i><\/h4>\n
\n

We present new break-up and coherent data for \u03b7<\/span><\/span><\/span><\/span><\/span><\/span> meson photoproduction on the deuteron, using a deuterium target and tagged bremsstrahlung photons up to 1 GeV. The differential cross sections for the coherent process were measured from threshold to 800 MeV. They are much smaller than those previously reported. The break-up channel provides a direct measurement of the neutron to proton differential cross section ratios. At the S<\/span><\/span><\/span><\/span>11<\/span><\/span><\/span><\/span><\/span><\/span>(<\/span><\/span>1535<\/span><\/span>)<\/span><\/span><\/span><\/span><\/span><\/span> resonance peak, \u03c3<\/span><\/span><\/span><\/span>n<\/span><\/span><\/span><\/span><\/span><\/span>\/<\/span><\/span>\u03c3<\/span><\/span><\/span><\/span>p<\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span>0.68<\/span><\/span><\/span>\u00b1<\/span><\/span>0.06<\/span><\/span><\/span><\/span><\/span><\/span> leading to an isoscalar to isovector amplitude ratio of A<\/span><\/span><\/span><\/span>s<\/span><\/span><\/span><\/span><\/span><\/span>\/<\/span><\/span>A<\/span><\/span><\/span><\/span>\u03c5<\/span><\/span><\/span><\/span><\/span><\/span><\/span>=<\/span><\/span><\/span>0.096<\/span><\/span><\/span>\u00b1<\/span><\/span>0.02<\/span><\/span><\/span><\/span><\/span><\/span>.<\/p>\n

    \n
  • Received 26 November 1996<\/li>\n<\/ul>\n

    DOI: <\/span>https:\/\/doi.org\/10.1103\/PhysRevLett.78.4697<\/span><\/p>\n

    \u00a91997 American Physical Society<\/p>\n<\/section>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

    We present new break-up and coherent data for \u03b7 meson photoproduction on the deuteron, using a deuterium target and tagged bremsstrahlung photons up to 1 GeV. The differential cross sections for the coherent process were measured from threshold to 800 MeV. They are much smaller than those previously reported. The break-up channel provides a direct measurement of the neutron to proton differential cross section ratios. At the S11(1535) resonance peak, \u03c3n\/\u03c3p=0.68\u00b10.06 leading to an isoscalar to isovector amplitude ratio of As\/A\u03c5=0.096\u00b10.02.<\/p>\n","protected":false},"author":12,"featured_media":8228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[50],"tags":[788,791,790,679,787,676],"class_list":["post-8220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-50","tag-eta-meson","tag-eta-photoproduction","tag-hadronic-physics","tag-jassem-ajaka","tag-physical-review-letters","tag-scientific-article"],"jetpack_featured_media_url":"https:\/\/www.jassemajaka.com\/wp-content\/uploads\/2019\/02\/images.png","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paTyQg-28A","_links":{"self":[{"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/posts\/8220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8220"}],"version-history":[{"count":2,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/posts\/8220\/revisions"}],"predecessor-version":[{"id":8232,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/posts\/8220\/revisions\/8232"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=\/wp\/v2\/media\/8228"}],"wp:attachment":[{"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jassemajaka.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}