{"id":705,"date":"2020-03-16T23:41:54","date_gmt":"2020-03-17T03:41:21","guid":{"rendered":"http:\/\/www.nuclearphysicslab.com\/npl\/?page_id=705"},"modified":"2020-03-18T15:12:25","modified_gmt":"2020-03-18T19:12:25","slug":"neutron-induced-gamma-rays","status":"publish","type":"page","link":"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/experiments\/neutrons\/neutron-induced-gamma-rays\/","title":{"rendered":"Neutron Induced Gamma Rays"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><em>Author: Tim<\/em><\/p>\n\n\n\n<p>Fast neutron can inelastically scatter off of nuclei in other materials and leave the nucleus in an excited state without transforming the element.  The exited nucleus quickly &#8220;rings down&#8221; by the emission of a gamma ray. For example exited iron will decay with a 847keV gamma.  The follow experiment shows a collection of excited nuclei within the construction materials of the cyclotron, including iron, copper, aluminum, as well as the germanium of the HPGe itself.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165.jpg\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165.jpg\" alt=\"\" class=\"wp-image-714\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3165-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><\/a><figcaption>Figure 1. Experimental Setup with portable HPGe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161.jpg\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161.jpg\" alt=\"\" class=\"wp-image-713\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_3161-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><\/a><figcaption>Figure 2. About a 10 mrem\/hr field close to the chamber.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM.png\"><img loading=\"lazy\" width=\"3360\" height=\"2100\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM.png\" alt=\"\" class=\"wp-image-708\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM.png 3360w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM-768x480.png 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM-1536x960.png 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM-2048x1280.png 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2017-04-14-at-11.48.07-PM-432x270.png 432w\" sizes=\"(max-width: 3360px) 100vw, 3360px\" \/><\/a><figcaption>Figure 3. HPGe spectrum collected over 10 minutes<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide7.png\"><img loading=\"lazy\" width=\"720\" height=\"540\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide7.png\" alt=\"\" class=\"wp-image-710\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide7.png 720w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide7-360x270.png 360w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption>Figure 4. A table of Neutron Induced Gamma Rays<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide8.png\"><img loading=\"lazy\" width=\"720\" height=\"540\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide8.png\" alt=\"\" class=\"wp-image-711\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide8.png 720w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Slide8-360x270.png 360w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><figcaption>Figure 5. Identifying the lines, all of which are materials present in the cyclotron&#8217;s construction.<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Author: Tim Fast neutron can inelastically scatter off of nuclei in other materials and leave the nucleus in an excited state without transforming the element. The exited nucleus quickly &#8220;rings down&#8221; by the emission of a gamma ray. For example exited iron will decay with a 847keV gamma. The follow experiment shows a collection&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/experiments\/neutrons\/neutron-induced-gamma-rays\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":1973,"parent":1878,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"categories":[41,18,37],"tags":[],"_links":{"self":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/705"}],"collection":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/comments?post=705"}],"version-history":[{"count":4,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/705\/revisions"}],"predecessor-version":[{"id":2166,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/705\/revisions\/2166"}],"up":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1878"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media\/1973"}],"wp:attachment":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media?parent=705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/categories?post=705"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/tags?post=705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}