Fermilab TodayFriday, May 7, 2004  
Friday, May 7
Noon Speaker: K. Wells, RSI - Curia II
Technical demo of IDL (Interactive Data Language), [free] IDL-VM, and Q&A
3:30 p.m. DIRECTOR'S COFFEE BREAK - 2nd Flr X-Over
4:00 p.m. Joint Experimental Theoretical Physics Seminar - 1 West
Speaker: P. Wittich, University of Pennsylvania
Title: Top Cross Section from Dileptons in Run II at CDF

Monday, May 10
2:30 p.m. Theoretical Astrophysics Seminar - Curia II
Speaker: D. Scott, University of British Columbia
Title: Dusty Corners of the Universe
3:30 p.m. DIRECTOR'S COFFEE BREAK - 2nd Flr X-Over
4:00 p.m. All Experimenters' Meeting - Curia II
Special Topic: 2.5 MHz Pbar Transfers in MI

Friday, May 7
Beef Pepper Pot
Buffalo Style Chicken Filet on a Kaiser Roll $4.75
Cajun Breaded Catfish $3.75
Spaghetti w/meat sauce $3.50
Honey Mustard Ham & Swiss Panini $4.75
Double Stuffed Pizza
*Roasted Turkey Breast
Wilson Hall Cafe Menu
Chez Leon
Weather Chance Thunderstorms 61º/51º

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Antiproton Accumulator Breaks Operations Record
A plot of the number of antiprotons circulating in the Accumulator from March 26 until now. Note the drop to zero on the far left - the last time no antiprotons were in the Accumulator. The upward slopes reflect stacking (making antiprotons) and the steps down are antiproton transfers to the Tevatron (Click on image for larger version.)
At 3:07 a.m. on May 5, the Antiproton Accumulator broke the record for the longest sustained operation, approaching the forty-day mark and still counting. The Accumulator has now continuously held a stack of antiprotons since March 26.

"As long as we maintain the stack, the clock keeps ticking on a new record," said Elvin Harms, head of the Antiproton Source Department. "That both the Accumulator and Debuncher rings have been operating continuously without a significant failure since March 26 is a remarkable achievement especially considering their complexity."

The previous record, achieved in December 1987 just as the Antiproton source was entering a planned shutdown, was 39 days, 9 hours and 36 minutes. The previous record for longest sustained stack in normal operation, 34 days, was set in July 2003.

"The talent and commitment of many people in the Fermilab community, not just one or two, make things like this happen," said Harms. "I'm proud of the members of the Pbar department - this record reflects their hard work and attention to detail. At the same time we're indebted to everyone who works with us in operating, maintaining, and upgrading the Antiproton source."

In the News
From Timberjay, May 6, 2004
Free tours offered at MINOS lab in Soudan on Saturday, May 8
How many physicists will it take to explain the new underground MINOS experiment in Soudan? Last year, it took 22, exactly, to lead a day of free tours for area residents, who took the opportunity to see what’s new in the underground physics lab at Soudan Underground Mine State Park.

Almost 400 people took advantage of the annual lab tour last year. This year, once again, free tours and free park admission are offered on Saturday, May 8 from 8:30 a.m. - 4 p.m. Tours start every ten minutes and are offered on a first-come, first-served basis.
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Update on the Fermilab Director Search
Wilson Hall
On April 15 and 16, the Search Committee met at Fermilab for a series of interviews with members of the laboratory community to get their views on the search, including the highest priority characteristics to be sought in the next Director. The Committee invites those who did not have the opportunity to participate in the interviews to submit their views in writing.

The Committee is scheduled to hold its next meeting on May 29-30, 2004 to discuss potential Director candidates.
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Fermilab Accounting Celebrates Cinco de Mayo
Cinco de Mayo
Heather Kumlin (left) and Kelly Meeks at the Accounting Department's Cinco de Mayo lunch. Members of the department brought Mexican-themed dishes to share. "We try to build morale through the lunches," said Meeks, who planned this year's theme.

New Classifieds on Fermilab Today
New classified ads have been posted on Fermilab Today. A permanent link to the classifieds is located in the bottom left corner of Fermilab Today.

Free English Classes
NALWO-sponsored free English language classes for beginning and advanced levels are Fridays at the Users Center from 9:30 a.m. to 11:00 a.m.

Fermilab Folk Club
Fermilab Barn Dance Sunday, May 9 at 6:30 p.m., with music by Tyler Two plus a Few and Dot Kent calling. Dances are held in the Warrenville Community Building.
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