<\/p>\n
Researchers have detected pairs of particles emerging directly from vacuum during collisions of high-energy protons, providing the clearest evidence yet that mass can originate from empty space.<\/p>\n
This discovery reconfigures where much of the weight of ordinary matter comes from, pointing to space itself as an active source rather than a passive background.<\/p>\n
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Inside the burst of debris from the shattered protons, bound lambda particles emerged with a shared spin pattern consistent with quark pairs expected to form in a vacuum.<\/p>\n
By tracing the pattern through the aftermath of the collision, Zhoudunming Tu of Brookhaven National Laboratory showed that the original arrangement persisted in the detected particles.<\/p>\n
The arrangement did not disappear immediately, but carried over into the short-lived hyperon before those particles collapsed to reveal their internal structure.<\/p>\n
Such persistence sets clear boundaries on how long vacuum-born order can persist and points to deeper questions about how that order becomes measurable mass.<\/p>\n
With angles close to each other, the lambda and anti-lambda pair showed a relative polarization of 18%, with a standard deviation significance of 4.4.<\/p>\n
Such an arrangement is the signature the researchers expected if strange quarks and antiquarks emerged from a vacuum already pointing in the same direction.<\/p>\n
Other pairs did not show the same pattern, and the main signal stood out instead of blending in with the normal collision noise.<\/p>\n
This contrast strengthened the argument that the linked quark pairs were not random leftovers from collisions.<\/p>\n
The lambda particle gave the team a valuable advantage because its decay preserves clues about the spin carried by the strange quarks inside.<\/p>\n
As each lambda broke apart in less than 10 billionths of a second, its daughter particles revealed the spin direction of the parent particle.<\/p>\n
This allowed the researchers to reconstruct whether the two original particles were aligned, even though the quark itself never appeared on its own.<\/p>\n
The technique turned short decay chains into readable records of where particles came from.<\/p>\n
Modern physics no longer treats the vacuum as a blank void. This is because the energy field inside the vacuum is constantly flickering and temporarily creating pairs of particles.<\/p>\n
The strong force theory, quantum chromodynamics (QCD), states that quarks are so tightly bound that no free quark can survive alone.<\/p>\n
However, with sufficient stress, these temporary pairs can transform into actual components of larger particles after high-energy collisions.<\/p>\n
The reason this result is important beyond a single detector is because it treats the vacuum as an active source of matter.<\/p>\n
The Higgs field remains essential because it gives elementary particles their reference mass, a situation confirmed by CERN in 2012 through the Higgs boson.<\/p>\n
However, protons and neutrons are much heavier than the small masses of individual quarks would suggest.<\/p>\n
Most of the visible mass therefore appears to come from the energy of strong interactions and the vacuum state surrounding the confined quarks.<\/p>\n
This new signal doesn’t completely solve the problem, but it does give physicists a new experimental way to address it.<\/p>\n
Widely separated pairs of particles lose the shared alignment found in close pairs, so the effect weakens with increasing distance.<\/p>\n
The researchers explain the loss as decoherence, a loss of quantum order as initially linked systems become scrambled by interactions.<\/p>\n
Once the pair separation became large enough in the detector, the spins appeared normal rather than remaining tightly tuned.<\/p>\n
This drop is important because it suggests that the signal was real at birth, rather than being created by later measurements.<\/p>\n
Competing explanations needed to be checked because particle collisions can mimic meaningful patterns when many processes stack up.<\/p>\n
The researchers compared their data to a baseline case and found that no matching spin correlation existed for kaon pairs or standard event simulations.<\/p>\n
They also investigated other possible causes, such as gluon fission and subsequent interactions between the generated particles, and reported that they were negligible.<\/p>\n
These checks do not end the debate, but they narrow the scope for simpler explanations.<\/p>\n
STAR is built to track massive showers of debris from energy collisions, and the detector itself is the size of a house and weighs about 1,200 tons at STAR’s Brookhaven campus in New York.<\/p>\n
RHIC also holds a special place in physics, as it is the only collider in the world capable of colliding polarized proton beams for high-energy RHIC spin studies.<\/p>\n
This combination allowed the collaboration to study not only what particles are created, but also how the particles’ internal spin information moves through confinement.<\/p>\n
This result paves the way for testing how vacuum structure, rotation, and the appearance of mass fit into the same story.<\/p>\n
Not everyone considers the case resolved, because when reconstructing the complex conflict, hidden backgrounds and missed effects still remain.<\/p>\n
Tu framed his promise clearly, saying the measurements open up a new way to directly probe the vacuum.<\/p>\n
Future runs may test higher momentum, different collision settings, and hotter environments where the vacuum itself may behave differently.<\/p>\n
These follow-up studies may reveal whether this observed pathway is a special case or part of a broader rule.<\/p>\n
Empty space appears to be an active participant in building the mass and structure of visible matter, rather than a silent background.<\/p>\n
Although physicists still don’t understand the full mechanism, they have finally discovered a signal that follows the order that occurs in a vacuum down to detectable particles.<\/p>\n
The research will be published in a journal nature<\/em>.<\/p>\n \u2014\u2013<\/p>\n Like what you read? Subscribe to our newsletter for fascinating articles, exclusive content and the latest updates.<\/p>\n Check us out on EarthSnap, the free app from Eric Ralls and Earth.com.<\/p>\n \u2014\u2013<\/p>\n<\/div>\n #Scientists #observe #particles #emerging #empty #space #time<\/p>\n","protected":false},"excerpt":{"rendered":" Researchers have detected pairs of particles emerging directly from vacuum during collisions of high-energy protons, providing the clearest evidence yet that mass can originate from empty space. This discovery reconfigures where much of the weight of ordinary matter comes from, pointing to space itself as an active source rather than a passive background. collision inside … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":530,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[1208,1209,1206,1207,371,543,586],"class_list":["post-615","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-emerging","tag-empty","tag-observe","tag-particles","tag-scientists","tag-space","tag-time"],"_links":{"self":[{"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/posts\/615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hyokal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=615"}],"version-history":[{"count":0,"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/posts\/615\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hyokal.com\/index.php?rest_route=\/wp\/v2\/media\/530"}],"wp:attachment":[{"href":"https:\/\/hyokal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hyokal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hyokal.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}