http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- The world’s most precise measurement of the mass of the W boson, one of nature’s elementary particles, has been achieved by scientists from the CDF and DZero collaborations at the Department of Energy’s Fermi National Accelerator Laboratory. The new measurement is an important, independent constraint of the mass of the theorized Higgs boson.  It also provides a rigorous test of the Standard Model that serves as the blueprint for our world, detailing the properties of the building blocks of matter and how they interact. http://phys.org/news249906389.html Physics Fri, 02 Mar 2012 10:27:10 EST news249906389 (PhysOrg.com) -- The Standard Model of Physics suggests that shortly after the Big Bang there should have been the same amount of antimatter in existence as there was matter. As time passed, both should have decayed roughly equally, leaving roughly the same amounts of each today. But that is not the case of course as most everything today is matter and there is hardly any antimatter to be found. http://phys.org/news249808768.html Physics Thu, 01 Mar 2012 07:19:50 EST news249808768 (PhysOrg.com) -- Just as firemen use different methods to narrow the location of a person trapped in a building, scientists employ two techniques to find the hiding place of the theorized Higgs particle: direct searches for Higgs interactions and precision measurements of other particles and forces. http://phys.org/news249240191.html Physics Thu, 23 Feb 2012 17:23:30 EST news249240191 Datasets are the currency of physics. As data accumulate, measurement uncertainty ranges shrink, increasing the potential for discoveries and making non-observations more stringent, with more far-reaching consequences. In collider experiments, the amount of data is measured by the total number of collisions observed and the rate of those collisions, called the luminosity. In 2011, the Large Hadron Collider (LHC) produced more collisions than scientists dared to expect, breaking the world record luminosity in April and then continuing to grow seven-fold. By the end of the proton collision run in November, 240 million protons were colliding each second. http://phys.org/news245923956.html Physics Tue, 17 Jan 2012 11:44:48 EST news245923956 (PhysOrg.com) -- Interview with Prof. Dr. Siegfried Bethke, Director at the Max Planck Institute of Physics in Munich, about the current research results from the Large Hadron Collider (LHC). http://phys.org/news241344782.html Physics Thu, 24 Nov 2011 08:30:01 EST news241344782 (PhysOrg.com) -- After some 180 days of running and four hundred trillion (4x1014) proton proton collisions, the LHC’s 2011 proton run came to an end at 5.15pm yesterday evening. For the second year running, the LHC team has largely surpassed its operational objectives, steadily increasing the rate at which the LHC has delivered data to the experiments. http://phys.org/news239294324.html Physics Mon, 31 Oct 2011 15:38:53 EST news239294324 (PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the imbalance of matter and antimatter in the universe. http://phys.org/news237536324.html Physics Tue, 11 Oct 2011 07:18:54 EST news237536324 (PhysOrg.com) -- Using state-of-the-art technology and sophisticated data analysis tools, a team of astronomers from the Max Planck Institute for Astronomy has developed a new and powerful technique to directly determine the mass of an active galaxy at a distance of nearly 9 billion light-years from Earth. This pioneering method promises a new approach for studying the co-evolution of galaxies and their central black holes. First results indicate that for galaxies, the best part of cosmic history was not a time of sweeping changes. http://phys.org/news236586724.html Space & Earth Fri, 30 Sep 2011 07:50:01 EST news236586724 Some recent work on Type 1a supernovae velocities suggests that the universe may not be as isotropic as our current standard model (LambdaCDM) requires it to be. http://phys.org/news235648649.html Space & Earth Mon, 19 Sep 2011 10:57:39 EST news235648649 Working together with other UH Manoa colleagues on the Belle experiment at the KEKB factory in Tsukuba, Japan, postdoctoral researcher Himansu Sahoo first reported the first observation of a new type of rare "penguin decay" of the beauty quark and measured its matter-antimatter symmetry violation parameters. Sahoo is a recent Physics and Astronomy Department Phd graduate. http://phys.org/news235386010.html Physics Fri, 16 Sep 2011 10:00:36 EST news235386010 (PhysOrg.com) -- Cooks think of watched pots. Handymen grumble about drying paint. Kids dread the endless night before Christmas morning. http://phys.org/news234778339.html Physics Fri, 09 Sep 2011 09:12:34 EST news234778339 So far it is unknown which rules neutrinos follow when they alter their identity. A study in which scientists of the Excellence Cluster Universe at the Technische Universitaet Muenchen, Germany, participated has now revealed that even the last of the three parameters, which describe the oscillation of neutrinos is most likely to be greater than zero. This may help to understand the development of the early Universe. The paper will be published in the journal Physical Review D. http://phys.org/news234509081.html Physics Tue, 06 Sep 2011 06:24:55 EST news234509081 (PhysOrg.com) -- Results presented by CERN1's LHCb experiment at the biennial Lepton-Photon conference in Mumbai, India on Saturday 27 August are becoming the most precise yet on particles called B mesons, which provide a way to investigate matter-antimatter asymmetry. http://phys.org/news233820793.html Physics Mon, 29 Aug 2011 07:14:23 EST news233820793 If you're bummed about humanity's biggest accelerator not producing a Higgs particle yet, maybe the latest effort to find a Z-prime will make you feel better. http://phys.org/news233468910.html Physics Thu, 25 Aug 2011 05:28:56 EST news233468910 (PhysOrg.com) -- An incredibly rare sub-atomic particle decay might not be quite as rare as previously predicted, say Cornell researchers. This discovery, culled from a vast data set at the Collider Detector at Fermilab (CDF), is a clue for physicists trying to catch glimpses of how the universe began. http://phys.org/news233289846.html Physics Tue, 23 Aug 2011 03:45:09 EST news233289846 International scientists searching to solve the greatest riddle in all of physics said Monday that signs are fading of the elusive Higgs-Boson particle, which is believed to give objects mass. http://phys.org/news233249414.html Physics Mon, 22 Aug 2011 16:31:14 EST news233249414 (PhysOrg.com) -- Two experimental collaborations at the Large Hadron Collider, located at CERN laboratory near Geneva, Switzerland, announced today that they have significantly narrowed the mass region in which the Higgs boson could be hiding. http://phys.org/news233217858.html Physics Mon, 22 Aug 2011 10:10:25 EST news233217858 Scientists at a meeting in Grenoble, France, recently stoked speculation that physicists at the world's biggest particle accelerator may soon provide a first look at the elusive Higgs boson - the final piece of evidence needed to prove that the Standard Model of particle physics, which explains the behavior of subatomic particles, is correct. http://phys.org/news232812529.html Physics Wed, 17 Aug 2011 15:50:01 EST news232812529 The physics world was abuzz with some tantalizing news a couple of weeks ago. At a meeting of the European Physical Society in Grenoble, France, physicists -- including some from Caltech -- announced that the latest data from the Large Hadron Collider (LHC) might hint at the existence of the ever-elusive Higgs boson. http://phys.org/news232683569.html Physics Tue, 16 Aug 2011 03:20:19 EST news232683569 Although physicists from two experiments at CERN's Large Hadron Collider and from Fermilab’s Tevatron collider recently reported at the Europhysics Conference on High Energy Physics that they didn't find the Higgs boson, they're continuing to home in on the elusive particle, prompting Rolf-Dieter Heuer, the Director General of CERN, to go on record that he believes a neutral Higgs boson will be found by the LHC by the end of 2012. http://phys.org/news232281371.html Physics Thu, 11 Aug 2011 11:36:28 EST news232281371 Experiments at the world's biggest atom smasher have yielded tantalising hints that a long-sought sub-atomic particle truly exists, with final proof likely by late 2012, physicists said Monday. http://phys.org/news230818080.html Physics Mon, 25 Jul 2011 13:08:13 EST news230818080 The first of the major summer conferences for particle physics opens today in Grenoble. All of the Large Hadron Collider experiments will be presenting results, and a press conference is scheduled for Monday 25 July. The conference follows an extremely successful start to LHC running in 2011, and results are eagerly awaited. http://phys.org/news230464984.html Physics Thu, 21 Jul 2011 11:03:25 EST news230464984 (PhysOrg.com) -- The standard model for elliptical galaxies formation is challenged by a new result uncovered by an international team of astronomers from the Atlas3D collaboration. Team members from CNRS, CEA, CFHT, and the Observatoire de Lyon published in the scientific journal Monthly Notices of the Royal Astronomical Society the first results from their study on two elliptical galaxies exhibiting features characteristic of a fairly recent merging, suggesting they are five times younger than commonly thought. http://phys.org/news230446682.html Space & Earth Thu, 21 Jul 2011 05:58:24 EST news230446682 (PhysOrg.com) -- In April, scientists at one of Fermilab’s two particle detectors, CDF, observed what they thought might be a new particle not predicted by the Standard Model. But now, scientists at the lab’s second detector, DZero, have cross-checked the observation with their own independent data and analysis tools, and have found no evidence of a new particle. Instead, the DZero data are in agreement with predictions from the Standard Model. http://phys.org/news227199883.html Physics Mon, 13 Jun 2011 16:05:41 EST news227199883 The world's biggest particle collider set a new record early Monday, a feat that should accelerate the quest to pinpoint the elusive particle known as the Higgs Boson, a senior physicist said. http://phys.org/news225386176.html Physics Mon, 23 May 2011 16:16:36 EST news225386176 Physicists said on Tuesday they believed that by the end of 2012 they could determine whether a theorised particle called the Higgs boson, which has unleashed a gruelling decades-long hunt, exists or not. http://phys.org/news224846708.html Physics Tue, 17 May 2011 10:25:30 EST news224846708 (PhysOrg.com) -- As the Large Hadron Collider (LHC) ramps up the rate and impact of its collisions, physicists hope to witness the emergence of the Higgs boson, an anticipated, but as-yet-unseen, fundamental particle that scientists believe gives mass to matter. http://phys.org/news223899549.html Physics Fri, 06 May 2011 12:10:05 EST news223899549 (PhysOrg.com) -- With the Large Hadron Collidor (LHC) running smoothly for well over a year now, the excitement surrounding the possibility for the discovery of new physics has generated a few rumors - speculations that have not been published in peer-reviewed journals. The latest came last week, when an anonymous person posted the abstract of a note on Columbia University mathematician Peter Woit’s blog that claimed an intriguing observation. http://phys.org/news222965260.html Physics Mon, 25 Apr 2011 17:05:01 EST news222965260 (PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010. http://phys.org/news222531326.html Physics Wed, 20 Apr 2011 15:15:55 EST news222531326 (PhysOrg.com) -- A new study from the University at Buffalo contradicts the dark flow theory, showing that exploding stars in different parts of the universe do not appear to be moving in sync. Working with data on 557 such stars, called supernovae, UB scientists deduced that while the supernovae closest to Earth all shared a common motion in one direction, supernovae further out were heading somewhere else. An article announcing the research results will appear in a forthcoming edition of the peer-reviewed Journal of Cosmology and Astroparticle Physics. http://phys.org/news221982674.html Space & Earth Thu, 14 Apr 2011 06:51:37 EST news221982674