Tevatron
November 2012
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November 15, 2012breaking: New particle-like structure confirmed at the LHCScientists at the CMS experiment at CERN have spotted an exotic combination of particles previously observed in the CDF experiment at Fermilab.
August 2012
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August 1, 2012breaking: Physicists show strengthened signals of Higgs-like particle in publicationsThe CMS and ATLAS experiments at CERN’s Large Hadron Collider released papers Tuesday confirming their earlier simultaneous, independent discovery of a particle that resembles the Standard Model Higgs boson.
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August 1, 2012feature: Particle physics tames big dataAs science produces an ever-growing flood of information, researchers in many fields struggle with how to collect, store, manage and distribute “big data.” Perhaps they could learn a thing or two from particle physics, a field that's been awash in enormous data sets for decades.
July 2012
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July 2, 2012breaking: Signs of Higgs grow at Tevatron experiments, yet no discovery; all eyes on July 4 LHC announcementAfter more than 10 years of gathering and analyzing data produced by the U.S. Department of Energy’s Tevatron collider, scientists from the CDF and DZero collaborations have found their strongest indication to date for the long-sought Higgs particle.
June 2012
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June 26, 2012breaking: The unreasonable Tevatron: Calculating the economic impact of basic scienceDuring a recent symposium at Fermilab, a speaker took the stage to defend government investment in basic science. He used an odd tactic: He called particle physics unreasonable.
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June 20, 2012breaking: Guests take a peek inside Tevatron experimentsIn connection with a symposium celebrating the Tevatron, Fermilab scientists gave special tours of the collider's two experiments. A reporter from Naperville Community Television Channel 17 took the opportunity to visit the detectors and filed this report.
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June 1, 2012signal to background: Shmoos of the TevatronParticles like the top quark weren’t the only characters to appear at Fermilab’s Tevatron. A physicist waxes nostalgic as scientists prepare to celebrate the accelerator’s contributions to science, technology and society at a symposium this month.
May 2012
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May 7, 2012breaking: Fermilab scientists revise plans for construction of new accelerator projectWith their eyes on the tight federal budget, scientists plan to divide Project X, the accelerator project that will power Fermilab's future experiments, into phases in order to lessen the initial costs.
April 2012
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April 9, 2012breaking: Tevatron experiment confirms LHC discovery of Chi-b (P3) particleThe DZero experiment at Fermilab’s Tevatron collider has confirmed the discovery of a new particle from an experiment at CERN’s Large Hadron Collider.
March 2012
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March 20, 2012breaking: More physics for your fundingThe decommissioning of the Tevatron represented the end of an era, but it also is ushering in the next generation of physics by providing valuable equipment to other experiments.
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March 9, 2012breaking: Scientists continue to see puzzling behavior in top quarks, reaffirm strength of Tevatron experimentsThe Tevatron may be shut down for good, but – as evidenced by the catalogue of results presented at this week’s Rencontres de Moriond conference – the collider’s experiments still have plenty to say. In some areas, the Fermilab experiments still hold the advantage over those at the higher-powered Large Hadron Collider at CERN.
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March 7, 2012breaking: Tevatron experiments see possible signs of the Higgs boson in favored regionTevatron physicists told attendees of the Rencontres de Moriond conference this morning that they had found excesses in their data suggestive of a Higgs with a mass between 115-135 gigaelectronvolts. A few months ago, LHC physicists announced similar bumps indicating a Higgs with a mass of between 124-126 GeV.
February 2012
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February 23, 2012breaking: World's best measurement of W boson mass tests Standard Model, Higgs boson limitsToday, scientists from the CDF collaboration have unveiled the world's most precise measurement of the W boson mass, based on data gathered at the Tevatron accelerator. The precision of this measurement surpasses all previous measurements combined and restricts the space in which the Higgs particle should reside according to the Standard Model, the theoretical framework that describes all known subatomic particles and forces.
January 2012
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January 18, 2012breaking: The Tevatron's enduring computing legacyOver the course of more than three decades of planning and operation, a tremendous amount of computing innovation was necessary to keep the data flowing and physics results coming at Fermilab's Tevatron. In fact, computing continues to do its work. Although the proton and antiproton beams no longer brighten the Tevatron’s tunnel, physicists expect to be using computing to continue analyzing a vast quantity of collected data for several years to come.
October 2011
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October 25, 2011breaking: The Tevatron: a training ground beyond particle physicsBeyond smashing together billions of protons and antiprotons over the course of its 28 years of operations, Fermilab’s Tevatron also served as a launching pad for many careers, often in fields beyond particle physics.
September 2011
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September 30, 2011breaking: Tevatron operations: A way of lifeThis afternoon, Sept. 30, Fermilab will shut down the Tevatron for the last time. This story honors the operators - the men and women who have kept the accelerators running 24 hours a day, seven days a week, 365 days a year.
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September 29, 2011breaking: Fermilab's Antiproton Source: A rich history and an exciting futureFermilab’s Antiproton Source has long produced the antimatter that makes Fermilab’s particle collisions possible. While the Antiproton Source will shut down along with the Tevatron on Sept. 30, there are plans for its future.
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September 29, 2011breaking: Tevatron shutdown eveOn the eve of the shutdown of Fermilab's Tevatron, collaborators from the CDF and DZero experiments are expressing their gratitude for all the hard work and dedication that made 26 years of capturing billions of proton and antiproton collisions possible. In these final hours of operations, both collaborations are making the pen mightier than the proton by writing notes of thanks and appreciation.
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September 13, 2011breaking: Keeping the Tevatron’s cool: A look back at electron coolingWhen electron cooling was implemented at Fermilab in 2005, scientists thought it could help increase the peak luminosity by a factor of 1.5 to 2. Now, less than a decade later, it has become integral to the Tevatron’s success, leading to an increase of instantaneous initial luminosity by nearly a factor of 3.
August 2011
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August 25, 2011breaking: Being sensitive is a good thing, at least when you're a particle acceleratorOn Tuesday, Aug. 23, the Tevatron accelerator knew something none of the people operating it knew. A 5.9-magnitude earthquake had struck the East Coast, and the super-sensitive Tevatron felt it as it happened about 600 miles away. It had also registered a similar quake in Colorado the night before.
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