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#Post#: 963--------------------------------------------------
Big Bang Machine LHC Discovers Brand New Particle
By: crazynutsx Date: April 29, 2012, 3:57 pm
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April 29, 2012 - An entirely new kind of particle has been
discovered by scientists making use of the world’s largest and
most strong particle accelerator, the Large Hadron Collider
(LHC), near Geneva, Switzerland.
The discovery of the new particle, referred to as “neutral
Xi_b^star baryon,” was made by the CMS experiment, one of 6
separate particle physics experiments operating at the LHC. It
was announced Friday by Symmetry Magazine.
“Besides helping to fully grasp how quarks bind and therefore
further validate the theory of strong interactions, one of the
four standard forces of physics, this measurement represents a
tour-de-force that opens up great perspectives for long term
discoveries,” wrote Carlos Lourenco, a senior researcher with
the European Organization for Nuclear Research (CERN), the
organization that oversees the experiments at the giant
accelerator, in an e mail to TPM.
The new type of particle is so unusual that it can't arise
anywhere else on Earth outside of the accelerator, and only
sometimes in outer space.
“It might get made once in a whilst, when a substantial-energy
cosmic ray collides with the moon, for instance,” Lourenco told
TPM.
The particle’s rarity is due in portion to its composition: It
is made up of three quarks which commonly are not located locked
together.
“When these three quarks get with each other, they instantly
divorce, instantaneously,” Lourenco explained.
The new particle was truly created in 2011, when the CMS
researchers collected collisions between two beams of protons
going in opposite instructions through the 17-mile-long
underground ring that comprises the LHC accelerator.
When the two beams smash into one another, they create countless
debris, a reaction developed to simulate the situations just
after the “big bang,” the theorized occasion that birthed the
Universe, hence the LHC’s nickname as the “big bang machine.”
But the debris, which may possibly contain previously unknown
times of particles, are incredibly tiny, and only last for an
unfathomably quick time just before decaying into nothing at
all.
In truth, in the situation of the new particle, by neutral
Xi_b^star baryon, the existence of the particle itself was so
brief that it could not be detected right, but rather by its
decay signature.
“We managed to find it nevertheless,” Lourenco stated. “It is a
‘strongly decaying resonance’. It lives for much less time than
you or me can picture.”
“However, the Xi_b^star breaks up in a recognized cascade of
decay items,” Lourenco continued. “Ernest Aguiló, a postdoc from
the University of Zurich, identified traces of the respective
decay merchandise in the information and was able to reconstruct
the decay cascades commencing from the Xi_b^star decays.”
A diagram of the decaying process of neutral Xi_b^star baryon
can be witnessed beneath. The black star signifies the initial
collision, with the arrows representing the decaying quarks that
make up the particle.
As for why it took the CMS researchers a number of months to
reveal their groundbreaking particle physics find to the planet,
he said: “It will take a while to verify every little thing in
detail and convince our colleagues and ourselves that this is a
genuine particle and not a statistical fluctuation or some other
spurious impact.”
To be clear, neutral Xi_b^star baryon is not the very same thing
as the long-sought Higgs boson, the famed “god particle” that is
responsible for providing anything in the universe mass, which
scientists are hoping that the LHC will be able to discover
later on this year.
“The Higgs mechanism, despite its fame, is responsible for only
.1% of the matter in the Universe,” Lourenco told TPM.
Now, nevertheless, there is celebrating to be completed by the
CMS researchers.
“It also justifies opening a bottle of champagne, if you need a
justification for that,” Lourenco stated, of the discovery of
the neutral Xi_b^star baryon.
Editor’s note: This article was up to date to incorporate far
more thorough data about the discovery of Xi_b^star baryon.
Massive Hadron Collider, Particle accelerators, Physics Carl
Franzen Carl Franzen is TPM Concept Lab's tech reporter. He used
to work for The Everyday, AOL and The Atlantic Wire (though not
concurrently, fortunately). He's in no way met a button that
didn't need to be pressed. He can be reached at
carl@talkingpointsmemo.com.
Sources and more information:
• Neutral Xi_b^star, Xi(b)^{*0}, Ξb*0, whatever
Carl Franzen, " Big Bang Machine Discovers Brand New Particle ",
TPM IdeaLab 4 27 2012: An entirely new type of particle has been
discovered by scientists using the world's largest and most
powerful particle accelerator, the Large Hadron Collider (LHC),
near Geneva, Switzerland. The discovery of the new particle,
called "neutral Xi_b star baryon,"...
• New Particle Discovered at CERN
Researchers from the University of Zurich discover new particle
at CERN Physicists from the University of Zurich have discovered
a previously unknown particle composed of three quarks in the
Large Hadron Collider (LHC) particle accelerator. A new baryon
could thus be detected for the first time at the LHC.
• It's a... Baryon!
• New Particle Discovered At CERN
• CMS observes a new beauty particle
• Energy level at big bang machine turned up
Read more:
HTML http://www.disclose.tv/news/Big_Bang_Machine_LHC_Discovers_Brand_New_Particle/84897#ixzz1tSu3525g
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