{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='The Higgs Field Explained: How Particles Get Their Mass' data-url='/boclips/videos/68961f477cbf35e76a835664' data-video-url='/boclips/videos/68961f477cbf35e76a835664' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nThe Higgs Field Explained: How Particles Get Their Mass\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eHow does the Higgs give mass to particles? How do elementary particles gain mass? All mass is Energy. 99% of the mass of an atom is contained in the binding energy within the nucleus. But about 1% of your mass is contained in the mass of...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eHow does the Higgs give mass to particles? How do elementary particles gain mass? All mass is Energy. 99% of the mass of an atom is contained in the binding energy within the nucleus. But about 1% of your mass is contained in the mass of the subatomic particles that make up the atoms, electrons and quarks.\u003cbr/\u003e\u003cbr/\u003eHow do these subatomic particles get an intrinsic mass? This is due to the Higgs Field. To understand how it works, let's look at the standard model of particle physics. \u003cbr/\u003e\u003cbr/\u003eEvery particle is a quantized excitation in its own field. An excitation of the electromagnetic field is a photon, an excitation of the electron field is an electron, etc. All fields, in their lowest energy state, even when no excitations or particles are present, always have fluctuations. These are virtual particles that exist for such a short period of time, that they cannot be measured. They borrow energy from the vacuum and give it right back very quickly when they are annihilated. \u003cbr/\u003e\u003cbr/\u003eBut this energy from virtual particles, collectively adds up to no real particles. Real particles are created only when enough energy is transferred to a field from other fields to cause an excitation. An electron can only occur in energy units of 0.511 MeV, which is its mass.\u003cbr/\u003e#higgs \u003cbr/\u003eBut it only has a mass  because of its interaction with the Higgs field. Without this interaction, an electron would be massless. A massless electron would be like a charged photon, and move at the speed of light. Without the Higgs field, all the other fundamental particles of the standard model would also be massless, with the possible exception of neutrinos. \u003cbr/\u003e\u003cbr/\u003eSo the question is how does this mass come about? To understand this, we have to understand the concept of vacuum expectation value of the various fields.\u003cbr/\u003e\u003cbr/\u003eLet’s imagine there were no Higgs field. If we then took any of the fields and put them inside an empty box, like the electron field, the weight of that box would be zero. In other words the field would have no mass, even though the virtual electrons would be present throughout it. Similarly, all the other fields of the Standard Model would also have no mass inside the empty box, just quantum fluctuations. \u003cbr/\u003e\u003cbr/\u003eBut, there is an exception to this rule, the Higgs Field. It is unique because the Higgs Field in empty space, unlike every other field, has a mass. So if were to weigh the box with the Higgs field inside, it would have a weight. This is called the vacuum energy, or vacuum expectation value. It is equal to 246 GeV. This is just the value that we would \"expect\" the Higgs Field to have when it is in its lowest energy state. \u003cbr/\u003e\u003cbr/\u003eAnything that interacts with the Higgs field now effectively interacts with this new vacuum expectation value. And that interaction imparts energy. And since energy and mass are equivalent, the form this interaction energy takes is indistinguishable from the energy associated with a rest mass. So when a fundamental particle interacts with the Higgs field, it gains an energy or intrinsic mass. \u003cbr/\u003e\u003cbr/\u003eIndividual electrons are constantly interacting with the Higgs field, which effectively slows the electron down. So if you apply a force to an electron, it gets a sort of push-back from the Higgs field that causes the electron to resist acceleration. This property is what we call inertial mass. \u003cbr/\u003e\u003cbr/\u003eHow much mass an excitation or particle in any given field has, depends on its coupling constant. The fields of all massive particles are coupled to the Higgs field. The larger the coupling constant, the more mass its particles will have.  Without the Higgs field, none of the fundamental particles would have an intrinsic mass. So electrons, quarks, and W and Z bosons are coupled to the Higgs field, while the fields of massless particles, like photons and gluons are not. Why are some particles coupled, meaning why do some particles interact with the Higgs field, while others do not? We’re not sure. \u003cbr/\u003e \u003cbr/\u003eThe mechanism of the Higgs Field giving out mass to other particles is called symmetry breaking. \u003cbr/\u003e\u003cbr/\u003eRegarding neutrinos, the Standard Model predicts that they should be massless, but measurements indicate that they do have a very tiny mass. We don’t know the origin of that mass. It could be that they also interact with the Higgs, but no one really knows for sure.\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eCurator Rating\u003c/dt\u003e\n\u003cdd\u003e\u003cspan class=\"star-rating\" aria-label=\"4.0 out of 5 stars\" role=\"img\"\u003e\u003ci class=\"fa-solid fa-star text-action\" 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