{"id":2,"date":"2017-02-01T09:05:59","date_gmt":"2017-02-01T09:05:59","guid":{"rendered":"http:\/\/web.infn.it\/cygnus\/?page_id=2"},"modified":"2020-04-29T22:25:41","modified_gmt":"2020-04-29T21:25:41","slug":"sample-page","status":"publish","type":"page","link":"https:\/\/web.infn.it\/cygnus\/","title":{"rendered":"HOME"},"content":{"rendered":"<h5 style=\"text-align: justify;\">The Cygnus international collaboration &amp; the project Idea<\/h5>\n<p style=\"text-align: justify;\">The aim of CYGNUS international collaboration is to develop an underground distributed Galactic Nuclear Recoil Observatory to search and \u2028identify clear Dark Matter (DM) signature and detect Coherent Neutrino Scattering (CNS) form the Sun, exploring directionality and particle identification.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-409 aligncenter\" src=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Cygnus-Int-Collaboration.png\" alt=\"\" width=\"631\" height=\"263\" srcset=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Cygnus-Int-Collaboration.png 631w, https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Cygnus-Int-Collaboration-300x125.png 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/p>\n<p style=\"text-align: justify;\">The base of distributed detectors of the collaboration, in which Italy is participating with the <a href=\"https:\/\/web.infn.it\/cygnus\/cygno\/\">CYGNO<\/a> and <a href=\"https:\/\/web.infn.it\/cygnus\/initium\/\">INITIUM<\/a>\u00a0 projects, is to develop large Time Projection Chambers (TPC) for high precision tracking of low energy O(keV) nuclear recoils.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-417\" src=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-12-at-19.59.00.png\" alt=\"\" width=\"999\" height=\"191\" srcset=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-12-at-19.59.00.png 999w, https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-12-at-19.59.00-300x57.png 300w, https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-12-at-19.59.00-768x147.png 768w\" sizes=\"auto, (max-width: 999px) 100vw, 999px\" \/><\/p>\n<p style=\"text-align: justify;\">Alike, the signature of the very low energy solar neutrinos should be modulated by the day night effect avoiding the background radioactive noise.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-455  alignright\" src=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/TPC-1.png\" alt=\"\" width=\"308\" height=\"207\" srcset=\"https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/TPC-1.png 475w, https:\/\/web.infn.it\/cygnus\/wp-content\/uploads\/2019\/01\/TPC-1-300x201.png 300w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/>The challenging requirement of an experiment with this objectives are:<\/p>\n<ul>\n<li>Energy threshold 1 keVee\u00a0<\/li>\n<li>Target mass 100-1000 kg (F, He)<\/li>\n<li>Zero neutron background<\/li>\n<li>Capability of fiducialization in x,y,z, direction and radon rejection<\/li>\n<li>Gamma discrimination below 10 keVee<\/li>\n<li>Directional sensitivity<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">In the today scenario of Dark Matter detectors, the large TPC gas detectors offer a medium range energy threshold O(keV) and can exploit their ability to identify the directionality and to the particle nature increasing the ability to avoid the background.<\/p>\n<p style=\"text-align: justify;\">Our group is working at the construction of a 1 cubic metter demonstrator based on Micro Gas Pattern Detector (MGPD) optically read by means of a sCMOS low noise and high granularity sensor. The <a href=\"https:\/\/web.infn.it\/cygnus\/cygno\/\">CYGNO<\/a> project aims at demonstrating the feasibility of the TCP approach with a He:CF4 gas mixture at atmospheric pressure. In this framework, an ERC grant was obtained with the <a href=\"https:\/\/web.infn.it\/cygnus\/initium\/\">INITIUM<\/a> initiative that intend to exploit the potentiality of negative ions (lower diffusion and fiducialization) by the addition of a small amount of SF6.<\/p>\n<p style=\"text-align: justify;\">The projects are foreseen to be hosted at the <a href=\"https:\/\/www.lngs.infn.it\/\">National Laboratory of Gran Sasso<\/a> (LNGS), in Italy and are\u00a0funded by the <a href=\"http:\/\/home.infn.it\/\">National Institute for Nuclear Physics<\/a>\u00a0(INFN) and the European Commission.<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Cygnus international collaboration &amp; the project Idea The aim of CYGNUS international collaboration is to develop an underground distributed Galactic Nuclear Recoil Observatory to search and \u2028identify clear Dark &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/pages\/2","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/comments?post=2"}],"version-history":[{"count":57,"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/pages\/2\/revisions"}],"predecessor-version":[{"id":702,"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/pages\/2\/revisions\/702"}],"wp:attachment":[{"href":"https:\/\/web.infn.it\/cygnus\/wp-json\/wp\/v2\/media?parent=2"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}