{"id":121835,"date":"2024-08-26T17:11:13","date_gmt":"2024-08-26T17:11:13","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/08\/26\/the-possibilities-for-dark-matter-have-just-shrunk-by-a-lot\/"},"modified":"2024-08-26T17:11:13","modified_gmt":"2024-08-26T17:11:13","slug":"the-possibilities-for-dark-matter-have-just-shrunk-by-a-lot","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/08\/26\/the-possibilities-for-dark-matter-have-just-shrunk-by-a-lot\/","title":{"rendered":"The possibilities for dark matter have just shrunk \u2014 by a lot\u00a0"},"content":{"rendered":"<div style=\"text-align:center\"><\/div> \r\n<br><div>\n\t\t\t<div class=\"rich-text rich-text--with-sidebar single__rich-text___RmCDp\" data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n\n<p>Scientists have just slashed the potential hiding spaces for dark matter particles.<\/p>\n\n\n\n<p>The LUX-ZEPLIN, or LZ, experiment has searched for and ruled out the existence of dark matter particles with a wide swath of properties, researchers report August 26 at two conferences. Dark matter is a substance whose influence can be seen on the scale of galaxies and galaxy clusters, but which has never been directly detected.\u00a0<\/p>\n\n\n\n<p>LZ searches for a hypothetical type of dark matter particle called a weakly interacting massive particle, specifically WIMPs with masses above 9 billion electron volts. (For comparison, a proton has a mass of around 1 billion electron volts). The LZ detector, filled with 10 metric tons of liquid xenon,\u00a0<a href=\"https:\/\/www.sciencenews.org\/article\/dark-matter-lz-experiment-physics\">monitors for atomic nuclei recoiling<\/a>\u00a0when WIMPs plow into the liquid (<em>SN: 7\/7\/22<\/em>).\u00a0<\/p>\n\n\n<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<style><![CDATA[\n.email-conversion {\n  border: 1px solid #ffcccb;\n  color: white;\n  margin-top: 50px;\n  background-image: url(\"\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg\");\n  padding: 20px;\n  clear: both;\n}\n\n]]><\/style>\n\n\n\n<div class=\"is-layout-flow wp-block-group-is-layout-flow\" style=\"clear:both\">\n<style><![CDATA[\n.subscribe-cta {\n  color: black;\n  margin-top: 0px;\n  background-color: #EDD695;\n  background-size: cover;\n  padding: 20px;\n  border: 1px solid black;\n  border-top: 5px solid black;\n  clear: both;\n}\n\n.centered {\n  text-align:center;\n  margin:auto;\n}\n\n]]><\/style>\n\n\n\n<div id=\"subscribeConversion\" class=\"wp-block-group subscribe-cta\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center\" style=\"font-size:2em\">Extreme Climate Survey<\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:1.1em\"><strong><em>Science News <\/em>is collecting reader questions about how to navigate our planet&#8217;s changing climate.<\/strong><\/p>\n<p class=\"has-text-align-center\" style=\"font-size:1.1em\">What do you want to know about extreme heat and how it can lead to extreme weather events?<\/p>\n\n\n\n\n\n\n\n\n<\/div><\/div>\n\n\n\n<p>The researchers characterize WIMPs by their cross section \u2014 the probability that a particle will interact. The result shrinks the maximum possible cross section to about a fifth that allowed by previous results, LZ researchers report at the\u00a0<a href=\"https:\/\/indico.uchicago.edu\/event\/427\/contributions\/1325\/\" target=\"_blank\" rel=\"noopener\">TeV Particle Astrophysics meeting<\/a>\u00a0in Chicago and at the\u00a0<a href=\"https:\/\/indico.cern.ch\/event\/1390649\/contributions\/6061507\/\" target=\"_blank\" rel=\"noopener\">Light Detection in Noble Elements meeting<\/a>\u00a0in S\u00e3o Paulo.<\/p>\n\n\n\n<p>\u201cWe are making massive strides into new territory,\u201d says physicist Chamkaur Ghag of University College London, spokesperson of LZ.\u00a0<\/p>\n\n\n\n<p>The study was performed with 200 days\u2019 worth of data. LZ\u2019s final results will be based on 1,000 days of data, and it\u2019s expected to further carve away at the dark matter\u2019s possibilities \u2014 or find evidence of it.<\/p>\n\n\n\n\t\t\t<\/div> <!-- \/.rich-text -->\n\t\t\t\n<footer class=\"article-footer__wrapper___eChRS article-footer__with-sidebar___9oDuK\">\n\t\t\t<p class=\"article-footer__feedback___sNXjz\">Questions or comments on this article? E-mail us at\u00a0<a href=\"https:\/\/www.sciencenews.org\/article\/mailto:feedback@sciencenews.org\">feedback@sciencenews.org<\/a> | <a href=\"https:\/\/www.sciencenews.org\/permission-republish\">Reprints FAQ<\/a><\/p>\n\t\n\t\n\t\n\t\n\n\n\t\n<div class=\"author-bio__wrapper___ODe-4\">\n\t\t\t<figure class=\"author-bio__figure___e3jd0\">\n\t\t\t<a class=\"author-bio__thumbnail___TixlC\" href=\"https:\/\/www.sciencenews.org\/author\/emily-conover\" aria-hidden=\"true\" tabindex=\"-1\">\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/figure>\n\t\n\t<div class=\"author-bio__content___F9GU3\">\n\t\t\n\n\t\t<div class=\"author-bio__bio___jkxvt\">\n\t\t\t<p>Physics writer Emily Conover has a Ph.D. in physics from the University of Chicago. She is a two-time winner of the D.C. Science Writers\u2019 Association Newsbrief award.<\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\t<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<style><![CDATA[\n.donate-box {\n  border-top: 7px solid red !important;\n  border: 1px solid #ffcccb;\n  margin-top: 50px;\n  background-color: #fdfbf2;\n  padding: 20px;\n}\n.from-nature-index__heading___AhgOe {\n  display: none;\n}\n]]><\/style>\n\n\n\n<style><![CDATA[\n.from-nature-index__heading___AhgOe {\n    display: none;\n}\n]]><\/style>\n<div id=\"donateConversion\" class=\"wp-block-group donate-box\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-align-left\" style=\"font-size:1.1em\">\nWe are at a critical time and <mark><strong>supporting climate journalism is more important than ever.<\/strong><\/mark> Science News and our parent organization, the Society for Science, need your help to strengthen environmental literacy and ensure that our response to climate change is informed by science.\n \n<\/p>\n<p class=\"has-text-align-left\" style=\"font-size:1.1em\">\nPlease\n<a href=\"https:\/\/www.sciencenews.org\/subscribe1-print-digital?key=9MENDTEST&amp;utm_source=end-of-article&amp;utm_medium=site&amp;utm_campaign=non-sub-control\">\nsubscribe to <em>Science News<\/em> and <strong>add $16<\/strong><\/a> to expand\nscience literacy and understanding.\n<\/p>\n\n\n\n<\/div><\/div>\n<\/aside><\/footer>\n\t\t<\/aside><\/div>\n\n\t\t\t\t\t<aside class=\"single__sidebar___A2uoe\">\n\t\t\t\t<section class=\"ad-block__mq-wrapper ad-block-sidebar__wrapper___-VwzJ ad-block-sidebar__freestar___92vhb\">\n\t\n<\/section>\n\n<section class=\"ad-block__mq-wrapper ad-block-sticky-sidebar__wrapper___Te-qO freestar\">\n\t\n<\/section>\n\t\t\t<\/aside>\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/dark-matter-wimps-lz\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>Scientists have just slashed the potential hiding spaces for dark matter particles. The LUX-ZEPLIN, or LZ, experiment has searched for and ruled out the existence of dark matter particles with a wide swath of properties, researchers report August 26 at two conferences. Dark matter is a substance whose influence can be seen on the scale [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":121836,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2019\/08\/e_conover.jpg?resize=214%2C214&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[1866,3416,6776,46831,99022],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/121835"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=121835"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/121835\/revisions"}],"predecessor-version":[{"id":121837,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/121835\/revisions\/121837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/121836"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=121835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=121835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=121835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}