Search results for quarks
Particle decay may point to New Physics
Oct 11, 2006 |
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A tiny flaw has caught the attention of physicists: the Standard Model (SM) predicts that the B meson mixing phase should be measured at nearly the same result using two different classes of decay modes. However, ...
Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely
Mar 26, 2009 |
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(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. ...
The Relativistic Heavy Ion Collider Makes Some Noise
Nov 21, 2008 |
4.4 / 5 (55) |
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(PhysOrg.com) -- A group of physicists studying heavy-ion collisions at the Relativistic Heavy Ion Collider (RHIC), a large particle accelerator located on Long Island, New York, recently showed that the collisions ...
Physicists Rule Out the Production of Dangerous Black Holes at the LHC
Sep 01, 2008 |
4.3 / 5 (93) |
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(PhysOrg.com) -- On August 8, the world's largest particle accelerator, the Large Hadron Collider near Geneva, Switzerland, began the process of slowly throttling to full power. When its proton beams are circling ...
Physicists 'See' Single Top Quarks at the Tevatron
Aug 22, 2008 |
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(PhysOrg.com) -- Scientists at the world's largest fully operating particle accelerator, the Tevatron at Fermi National Accelerator Laboratory (Fermilab) in Illinois, have discovered convincing evidence suggesting the existence ...
Mathematician suggests extra dimensions are time-like
Apr 17, 2007 |
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In a recent study, mathematician George Sparling of the University of Pittsburgh examines a fundamental question pondered since the time of Pythagoras, and still vexing scientists today: what is the nature ...
Searching for Exotic Particles from Cosmic-Ray Collisions
Apr 05, 2007 |
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Our planet is constantly bombarded with cosmic rays. Most collide with atoms in our atmosphere, producing sprays of particles that fall to the ground, thousands striking each square meter every second. Cosmic rays with extremely ...
Particle X in rare decay could belong to a new physics model
Mar 07, 2007 |
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A particle that may mediate the rare decay of a Sigma-plus hyperon appears to have close affiliations with a light Higgs boson found in one supersymmetric model—an interpretation suggesting unambiguous evidence for physics ...
Neutron star field decay could impact what we know
Feb 26, 2007 |
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“[W]hat we have found could have profound impacts on what we know about how neutron stars evolve, how old they are and even what they are made of,” Bennett Link tells PhysOrg.com.
New Theory of the Universe Marries Two of its Biggest Mysteries
Jan 22, 2007 |
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Physicists have devised a theory that unifies two widely studied mysteries of the universe: why there is an imbalance between regular matter and anti-matter (scientists expect to see equal amounts of each, but observe less ...
In 'forty jumps,' scientists model scales of quarks to quasars
Technology / Computer Sciences
Jan 18, 2007 |
4 / 5 (31) |
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Comprehending the smallness of a quark or the hugeness of the observable universe is a challenge that most of us find difficult, yet captivating. Placing vastly different scales side by side to explore their ...
Scientists discover exotic relatives of protons and neutrons
Oct 23, 2006 |
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Scientists of the CDF collaboration at the Department of Energy's Fermi National Accelerator Laboratory announced today (October 23, 2006) the discovery of two rare types of particles, exotic relatives of the ...
Correcting a prejudice regarding high-energy nuclear collisions
Aug 07, 2006 |
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At the end of next year, CERN’s Large Hadron Collider (LHC) is scheduled to go online. Already, there are four major experiments planned and one of them, ALICE, is dedicated to the study of heavy-ion collisions. Rudolph Hwa, ...
New String-Theory Notion Redefines the Big Bang
Physics /
Mar 31, 2006 |
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String theory — the concept that all particles can be represented as strings or string-loops of incredibly minute length, oscillating at various frequencies — was initially developed to help explain why quarks, the tiny fundamental ...
Seeing 'Strange' Stars
Physics /
Feb 08, 2006 |
4.1 / 5 (57) |
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Could what we see as neutron stars really be so-called strange stars? Prashanth Jaikumar and his fellow researchers think so. They recently published a letter in Physical Review Letters that redefines the characteristics of a s ...
