{"id":183613,"date":"2022-05-10T20:54:19","date_gmt":"2022-05-10T15:24:19","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=183613"},"modified":"2022-05-10T20:54:19","modified_gmt":"2022-05-10T15:24:19","slug":"the-standard-model-of-particle-physics-gets-a-jolt","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/the-standard-model-of-particle-physics-gets-a-jolt\/","title":{"rendered":"The standard model of particle physics gets a jolt"},"content":{"rendered":"\n<h5><b>What is the News?\u00a0<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Researchers from the Collider Detector at Fermilab(CDF) Collaboration in the U.S announced that they have made a precise measurement of the mass of the so-called W boson.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They stated that the W boson <\/span><span style=\"font-weight: 400;\">is slightly heavier than that predicted by the so-called Standard Model of particle physics.\u00a0<\/span><span style=\"font-weight: 400;\">This result is highly significant because this implies the incompleteness of the <\/span><b>Standard Model of Elementary Particles.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">However, the mass discrepancy of the W boson needs to be <\/span><span style=\"font-weight: 400;\">checked and confirmed to the same accuracy by other facilities, for example, the Large\u00a0<\/span><span style=\"font-weight: 400;\">Hadron Collider (LHC).<\/span><\/p>\n<h5><b>What is the Standard Model of Elementary Particles?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">The Standard Model of Elementary Particles is a theoretical construct in physics that describes particles of matter and their interaction.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is a description that views the elementary particles of the world as being connected by mathematical symmetries, just as an object and its mirror image are connected by a bilateral (left-right) symmetry.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These are mathematical groups generated by continuous transformations from, say, one particle to another.\u00a0<\/span><\/p>\n<h5><b>What are the Fundamental Particles described by this Model?<\/b><\/h5>\n<figure style=\"width: 560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/d2r55xnwy6nx47.cloudfront.net\/uploads\/2020\/10\/SM_graphic-FINAL_T02.svg\" alt=\"fundamental particles of the standard model\" width=\"560\" height=\"600\" \/><figcaption class=\"wp-caption-text\">Source: Quant Magazine<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">This model <\/span><span style=\"font-weight: 400;\">describes the universe in terms of the following 17 fundamental particles: <strong>six quarks<\/strong> (three families of two each), <strong>six leptons<\/strong> (three families of two each), <strong>the massless photon<\/strong> (carrier of the electromagnetic force), <strong>the massive W<\/strong> (charge neutral), <strong>Z0 bosons<\/strong> (carriers of the weak nuclear force), <strong>massive Higgs boson<\/strong> (which endows mass to all massive particles) and <strong>massless gluons<\/strong> (carriers of the strong nuclear force) and their antiparticles.\u00a0<\/span><\/p>\n<h5><b>Why is the standard model believed to be incomplete?<\/b><\/h5>\n<p><b>Firstly, <\/b><span style=\"font-weight: 400;\">the standard model is thought to be incomplete because it gives a unified picture of only three of the four fundamental forces of nature \u2014 electromagnetic, weak nuclear, strong <\/span><span style=\"font-weight: 400;\">nuclear and gravitational interactions \u2014 it totally omits gravity.<\/span><\/p>\n<p><b>Secondly,<\/b><span style=\"font-weight: 400;\"> the model does not include a description of dark matter particles. So far these have been detected only through their gravitational pull on surrounding matter.<\/span><\/p>\n<h5><b>What is W Boson?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Discovered in 1983, the W boson is a fundamental particle. <\/span><span style=\"font-weight: 400;\">Together with the Z boson, it is responsible for the weak force, one of four fundamental forces that govern the behavior of matter in universe.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The W boson, which is electrically charged, changes the very make-up of particles. It switches protons into neutrons, and vice versa, through the weak force, triggering nuclear fusion and letting stars burn.<\/span><\/p>\n<p><b>Source:<\/b> <span style=\"font-weight: 400;\">The post is based on the article<\/span><b> \u201c<\/b><b>The standard model of particle physics gets a jolt<\/b><b>\u201d <\/b><span style=\"font-weight: 400;\">published in<\/span><b> The Hindu <\/b><span style=\"font-weight: 400;\">on<\/span> <b>10th May 2022<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the News?\u00a0 Researchers from the Collider Detector at Fermilab(CDF) Collaboration in the U.S announced that they have made a precise measurement of the mass of the so-called W boson.\u00a0 They stated that the W boson is slightly heavier than that predicted by the so-called Standard Model of particle physics.\u00a0This result is highly significant&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/the-standard-model-of-particle-physics-gets-a-jolt\/\">Continue reading <span class=\"screen-reader-text\">The standard model of particle physics gets a jolt<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[10498],"class_list":["post-183613","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/183613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=183613"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/183613\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=183613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=183613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=183613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}