{"id":103,"date":"2020-03-07T02:23:54","date_gmt":"2020-03-07T02:23:08","guid":{"rendered":"http:\/\/www.nuclearphysicslab.com\/npl\/?page_id=103"},"modified":"2020-03-18T14:59:31","modified_gmt":"2020-03-18T18:59:31","slug":"hpge-systems","status":"publish","type":"page","link":"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/spectroscopy\/gamma-ray-spectroscopy\/hpge-systems\/","title":{"rendered":"HPGe Systems"},"content":{"rendered":"\n\n\n\n<p class=\"has-text-align-center\"><em>Author: Tim<\/em><\/p>\n\n\n\n<p>This page is dedicated to providing a step-by-step setup of an HPGe system<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087.jpg\" alt=\"\" class=\"wp-image-884\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4087-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>The graded shield uses 4-inch thick walls of low background lead, layered with tin and copper to suppress x-rays excited by the lead.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088.jpg\" alt=\"\" class=\"wp-image-885\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4088-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>There is a small hole at the bottom of the shield for the HPGe cryogenic dip-stick to exit the shield and enter the externally held liquid  nitrogen.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089.jpg\" alt=\"\" class=\"wp-image-886\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4089-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>A small slot permits the necessary cabling to also enter the shield. These include the detector HV, preamp power, test signal in, energy pulse out, and HV inhibit out. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091.jpg\" alt=\"\" class=\"wp-image-888\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4091-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>The preamplifier is house in the bottom section of the detector.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092.jpg\" alt=\"\" class=\"wp-image-889\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4092-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>Slowly lower through the shield into the dewar.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093.jpg\" alt=\"\" class=\"wp-image-890\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4093-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>The underneath view.  <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094.jpg\" alt=\"\" class=\"wp-image-891\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_4094-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>The fully seated detector.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Author: Tim This page is dedicated to providing a step-by-step setup of an HPGe system<\/p>\n","protected":false},"author":3,"featured_media":875,"parent":25,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"categories":[5,46,3],"tags":[],"_links":{"self":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/103"}],"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=103"}],"version-history":[{"count":8,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/103\/revisions"}],"predecessor-version":[{"id":2156,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/103\/revisions\/2156"}],"up":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/25"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media\/875"}],"wp:attachment":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media?parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/categories?post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/tags?post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}