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Fermilab Today Thursday, February 28, 2008 Subscribe | Contact Fermilab Today | Archive | Classifieds Search Furlough Information Feature Fermilab Result of the Week Reminder: "NUMB3RS" (D)Zeros New mixing in the An IDES representative will in on Fermilab standard recipe? conduct small group meetings every 30 minutes in the Wilson Every week Larry Hall Atrium Dining Room (SW Fleinhardt helps corner) each Friday from 11 a. stop bomb-toting m. to 1:30 p.m. from tomorrow terrorists or serial through the end of March. criminals. New furlough information, He teaches at a top- including an up-to-date Q&A notch university. section, appears on the furlough Web pages daily. And although quirky, he won the heart of Calendar a beautiful woman. This figure demonstrates DZero's measurement of ∆Γ and Φ in the B meson system along with the Thursday, Feb. 28 What could top that? s s s THERE WILL BE NO Working with DZero regions compatible with the measurement at 68.3 PHYSICS AND DETECTOR at Fermilab to solve "NUMB3RS," a show on percent (dashed black line) and 90 percent (solid SEMINAR THIS WEEK the mysteries of the CBS Channel 2, features a black line) confidence level. The Standard Model prediction shown as a solid red line. 2 p.m. universe and find fictional theorist physicist the Theory of who mentioned joining Computing Techniques When particle physicists predict experiment Everything. DZero in a recent episode. Seminar - FCC1 Image courtesy of CBS outcomes, they follow a recipe known as the Speaker: S. Timm, Fermilab Fleinhardt, played by actor Peter MacNichols, Standard Model: add quarks and leptons to Title: FermiGrid Virtualization is a sidekick character on the crime drama give the batter some substance, pour in and Xen "NUMB3RS." He accepted an invitation to join electroweak and strong interactions to bind the 2:30 p.m. DZero during the Jan. 18 episode, calling ingredients together, and then mix just right. Theoretical Physics Seminar - DZero's research "the work of a lifetime." From neutrinos to quarks, different particle Curia II systems need different mixing. Too much or Speaker: Y. Bai, Fermilab The show's writers were drawn to DZero's apt too little mixing will not bake up to reproduce Title: Minimal Little Higgs numerical name and its quest to find the Higgs our universe. Because of the success of the Model and Dark Matter boson. The characters use math to solve venerable SM recipe, DZero physicists were 3:30 p.m. crimes and increasingly reference math-based surprised to find something strange when DIRECTOR'S COFFEE particle physics. studying mixing in the Bs meson system. BREAK - 2nd Flr X-Over Like real-life physicists, Fleinhardt hit a 4:00 p.m. The neutral Bs meson, made of bottom and Accelerator Physics and roadblock trying to create an 11-dimensional supergravity theory, said co-writer Nick strange quarks, can be found in nature in two Technology Seminar - One Falacci. distinct configurations with different masses West and lifetimes. These configurations are Speakers: Y. Iwashita, Kyoto The search for an answer understood to be composed of a mixture of University takes Fleinhardt to his states that conserve charge-parity (CP). The Title: High-Resolution Surface particle physics roots and a SM recipe suggests that this mixing should Inspection Camera for cutting-edge study of extra- result in a very small violation of CP Superconducting RF Cavities dimensional gravitons and conservation. By observing decays of Bs the Higgs boson, Falacci Friday, Feb. 29 mesons, physicists can determine how much added. DZero and its sister CP mixing really occurs in the B system, 3:30 p.m. detector collaboration, s DIRECTOR'S COFFEE CDF, are leaders of that much like tasting a souffle to determine a BREAK - 2nd Flr X-Over search at the energy baker's secret ingredient. DZero physicists Ψ Φ 4:00 p.m. frontier. analyzed Bs meson decays to J/ and Joint Experimental-Theoretical mesons (consisting of charm+anti-charm and Physics Seminar - One West DZero members love the strange+anti-strange quarks, respectively). file:///U|/wwwdocs/pub/v5_0/today/archive_2008/today08-02-28.html (1 of 4)2/28/2008 9:16:18 AM Fermilab Today Speaker: R. Hill, Fermilab Larry Fleinhardt, a idea of inclusion of the When these secondary mesons then decay to Title: The Anomalous Baryon fictional physicist show and have created an two muons and two charged kaons, the DZero Current and Neutrino-Photon on the crime drama office for the make-believe researchers were able to get a picture of what Interactions in the Standard show NUMB3RS, physicist in the assembly happened. By carefully identifying the unique Model recently accepted building. matter and anti-matter versions of the B an invitation to join s Click here for NALCAL, Fermilab's Dzero "I expect it will make more meson, they were able to measure how the collaboration during people aware of the work CP states of the system were mixed. a weekly calendar with links a January episode. that we do and (if the plot to additional information. Fleinhardt is played In 2.8 inverse femtobarns of data, DZero by Peter develops) how we actually scientists measured the lifetime difference Weather MacNichol. Image learn about particle ∆Γ between the mass eigenstates to be s = 0.19 courtesy of CBS. physics," said DZero spokesman Darien Wood. +/-0.08 ps-1 and found a CP-violating mixing Afternoon snow 27°/25° Φ "The characters on the show speak with great phase of s = -0.57+/-0.31. Though Extended Forecast excitement and reverence about the search for compatible with the SM prediction, such an the Higgs boson at DZero, and I think it Weather at Fermilab outcome is statistically expected in only one captures some of the passion that we real Current Security Status out of 20 measurements with comparable particle physicists have for our work." precision. More data are needed to determine if this result is a fluctuation or a sign of new Secon Level 3 The show's creators declined to say how physics. It's clear that DZero will keep the B involved the story line will become or if s Wilson Hall Cafe Fermilab will end up on camera. meson prominent on its physics menu, eager to see if this taste test truly indicates a new Thursday, Feb. 28 "Larry's impending involvement with the DZero recipe for Bs mixing. - Santa Fe black bean team will allow 'NUMB3RS' viewers a chance - Sloppy Joe to follow Professor Fleinhardt on his - Chicken cordon bleu investigative journey into the very strange and - Steak fascinating world of fundamental particles," - Baked ham & Swiss on a Falacci said. ciabatta roll -- Tona Kunz - Assorted pizza slices - Crispy fried chicken ranch Milestone salad Wilson Hall Cafe menu Record luminosity, pbar Chez Leon stacking records reached Thursday, Feb. 28 Dinner A team of researchers from the DZero - Sancocho w/pastetobos collaboration made primary contributions to this - Roast suckling pigs analysis. - Chayote guisado - Rice & pigeon peas - Flan & tropical fruit Wednesday, March 5 Dinner - Pork satay w/peanut sauce - Sautéed asian vegetable This figure shows the weekly antiproton - Baked lime custard production. Fermilab set a record last week for most antiprotons collected in a single week. Chez Leon menu Yesterday's Tevatron store #5934 had the Call x4598 to make your The DZero On-line/Controls team provides reliable highest peak luminosity since the end of the reservation. support for the experiment's on line computing 2007 shutdown and the second best initial Archives resources and for the control and monitoring of luminosity in history, at 2.86E32. The best was thousands of parameters of the DZero detector in 2.92E32 on Feb. 25, 2007. Also, last week, real time. Their hard work is critical for recording the Antiproton Source set a new Pbar weekly the high-quality data used in all DZero physics record for most antiprotons collected in a analyses. single week. Congratulations to all! Result of the Week Archive file:///U|/wwwdocs/pub/v5_0/today/archive_2008/today08-02-28.html (2 of 4)2/28/2008 9:16:18 AM Fermilab Today In the News Accelerator Update Fermilab Today U of C asks Congress to aid Feb. 25-27 Result of the Week research - Two stores provided 36 hours and 17 minutes of luminosity From Chicago Maroon, - TeV experts conduct many studies Safety Tip of the Week Feb. 26, 2008 - Store 5934 hits second highest with luminosity of 286.4E30 President Zimmer joined a coalition of ILC NewsLine university and research industry leaders on Read the Current Accelerator Update Capitol Hill earlier this month to lobby Read the Early Bird Report members of Congress and the Bush View the Tevatron Luminosity Charts Info administration for more funding for scientific research. The officials mobilized in response Announcements Fermilab Today to a budget cut earlier this year that slashed is online at: millions of dollars for science research in this Have a safe day! www.fnal.gov/today/ year's final federal budget proposal. Children’s Summer Day Camp registration Send comments and Bob Rosenberg, associate vice president for due suggestions to: public affairs and communications at the Registration forms for the on site day camp for [email protected] University, said that the lobbyists are children of Fermilab employees are due by 5 p. concerned that "the direction of funding for m. today. The camp for ages 7 through 12 research in this country is flat and trending consists of three separate three-week downward." sessions: session I: June 16 - July 3, session II: July 7- July 25, session III: July 28 - Aug.