 | Thursday, March 10, 2005 |
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Thursday, March 10 11:00 a.m. Research Techniques Seminar - Curia II Speaker: D. Reyna, Argonne National Laboratory Title: Double-CHOOZ: A New Experiment to Measure Theta_13 2:30 p.m. Theoretical Physics Seminar - Curia II Speaker: H-C. Cheng, Harvard University Title: Little Hierarchy Problem and Little Higgs Theories 3:30 p.m. DIRECTOR'S COFFEE BREAK - 2nd Flr X-Over THERE WILL BE NO ACCELERATOR PHYSICS AND TECHNOLOGY SEMINAR TODAY
Friday, March 11 |
 Light Snow 35º/26º
Extended Forecast |
Secon Level 3 |
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Thursday, March 10 Minnesota Wild Rice with Chicken Tuna Melt on Nine Grain $4.75 Breaded Veal with Mushroom Cream Sauce $3.75 Sweet & Sour Pork over Rice $3.75 BLT Ranch Wrap $4.75 Double Stuffed Pizza $3.25 Chicken Pecan Salad $4.75 The Wilson Hall Cafe now accepts Visa, Master Card, Discover and American Express at Cash Register #1.
Wilson Hall Cafe Menu |
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Party Photos Show the Fun | ||
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The turnout was great, the music was lively, and people had fun. On Friday
afternoon, March 4, more than 1,000 people celebrated a lab-wide party in
the balloon-decorated atrium of Wilson Hall, following the dedication of
the NuMI/MINOS project in Ramsey Auditorium.
Deborah Guzman, Visual Media Services, and Jackie Coleman, Directorate, found lots of smiling faces as they captured the event with their cameras. Fermilab Today invites its readers to browse through a photo album of the best photos.
The party, sponsored by URA, was organized by committee chaired by Jeff Appel,
with a membership of Margie Bruce, Liz Buckely-Geer, Linda Christiansen,
Jackie Coleman, Ethel Hall, Catherine James, Barb Kristen, Traci Langford,
Elizabeth May, Elaine McCluskey, Mike Perricone, Monica Sasse and Marilyn Smith.
From the improved setup to the larger amount of food, the party organization
committee followed the suggestions made by employees after the last lab-wide
party. Fermilab Today thanks everybody for the fun event.
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Computing Division Achieves New Safety Record | ||
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In Tuesday's scheduling meeting, ES&H presented Computing Division Head Vicky White with a cake in recognition of the division's recent safety record. As of March 8, Fermilab's Computing Division has worked 1,509,153 hours without a DART case. This accomplishment surpassed the Particle Physics Division's record of 1,500,459 hours.
"This is really an excellent achievement and shows that people are keeping their heads focused on working safely, sensibly assessing and dealing with hazards, and following procedures," White said in a congratulatory e-mail to the Computing Division. "Thank you to everyone for working safely and for the lively participation in formulating our safety plan."
Director Mike Witherell presented the Computing Division with a plaque for the best sustained safety record at the ES&H Executive Committee meeting on February 22. "I'd like to give credit to all the people who made safety a priority, and to have you pass this on to all the people in your division," Witherell said. Fermilab's Business Services Section also received an award for the most improved safety record.
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March 7- March 9 - During this 48 hour period Operations established one store that combined with an existing store provided the experiments with approximately 27 hours and 13 minutes of luminosity - Pbar and NuMI commission new stacking TLG module - KRF6 problems held off beam - Booster Watchdog power supply held off beam - H- Source suffers from intensity drop - Store 4027 quenched - Debuncher Kicker problem halted stacking - TeV trim magnet fails
Read the Current Accelerator Update |
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Sara Stein was married to architect Martin Stein, the president of Urban
Associates in New York City. Urban Associates was one of three architectural
firms that worked with founding director Robert Wilson to design Fermilab's
site as we know it today. Stein recently told Associate Director Jed Brown
that he is most of proud of his work at Camp Drum in Upstate
New York, Cape Canaveral and Fermilab.
From the New York Times, March 9, 2005
The cause was lung cancer, said her husband, Martin Stein.
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Flip-Flopping Matter and Anti-Matter | ||||
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A curious property of a neutral Bs meson (b-antiquark and s-quark), is
that it can spontaneously become (or "oscillate into") its own
anti-particle, i.e., become an anti-meson that contains a b-quark and
a s-antiquark, and back again. Such oscillations are characterized by
a frequency related to a parameter called DeltaMs.
The same phenomenon was observed for the neutral Bd meson (b-antiquark and a d-quark) in the mid 1980's, and almost everyone was surprised by the large probability of oscillation. In fact, this large value
Our current understanding of the theory of matter leads us to believe that Bs mesons oscillate much faster than Bd mesons; consequently their oscillations are very difficult to detect; almost all Bs mesons turn into anti-mesons in a fraction of a trillionth of a second. Measuring the frequency of oscillation is of the utmost importance,
At present, Bs mesons can only be studied at Fermilab. DZero has made an attempt at measuring Bs oscillations, and for now we claim that DeltaMs is larger than 5.0 ps-1 (this is already ten times faster than Bd oscillations). Although this initial result is not as restrictive as some previous results, it is a proof of principle that this analysis can be performed by DZero. We have many improvements in the works. Stay tuned! | ||||
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Result of the Week Archive | ||||
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New issue of symmetry The March issue of symmetry is now online. To get notified when the next issue is available, please sign up for the email notification.
Fermilab Employee Art Show
Volunteer Translators Needed for Education Materials
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