Fermilab Today Monday, July 19, 2010

Have a safe day!

Monday, July 19
2:30 p.m.
Particle Astrophysics Seminar - One West
Speaker: Sukyoung Yi, Yonsei University, Korea
Title: SFH of Galaxies from Galex-SDSS and New Line Measurements on SDSS SEDs
3:30 p.m.
4 p.m.
All Experimenters' Meeting - Curia II
Special Topic: Beam-Induced Electron Loading Effects in High Pressure RF Cavities

Tuesday, July 20
10:30 a.m.
Research Techniques Seminar - Curia II
Speaker: Andrey Sviridov, All-Russia Research Institute of Automatics
Title: Radiation-Tolerant Fast Electronics and Detectors and Portable Neutron Generators
12 p.m.
Summer Lecture Series - One West
Speakers: Donna Kubik, Fermilab
Title: Astrophysics
3:30 p.m.

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For information about H1N1, visit Fermilab's flu information site.



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Secon Level 3

Wilson Hall Cafe

Monday, July 19
- Breakfast: Croissant sandwich
- French Quarter gumbo soup
- French dip w/ horseradish cream
- Santa Fe pork stew
- Country baked chicken
- Popcorn shrimp wrap
- Assorted sliced pizza
- Sweet and sour chicken w/egg roll

Wilson Hall Cafe Menu

Chez Leon

Wednesday, July 21
- Chile rellenos
- Spanish rice
- Refried beans
- Pineapple flan

Thursday, July 22
- Corn cakes w/shrimp & chipotle
- Filet of beef w/morel sauce
- Potato gratin
- Chive green beans
- Mocha soufflé

Chez Leon Menu
Call x3524 to make your reservation.


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Tevatron experiments prepare to shine at ICHEP

Over the last 15 years, the CDF and DZero experiments at Fermilab have discovered increasingly rare combinations of the electroweak force carriers — gamma, W and Z — emerging from proton-antiproton collisions at the Tevatron. With the Tevatron producing a record number of particle collisions, will the Tevatron experiments be able to catch a glimpse of the Higgs particle?

On Friday afternoon, scientists from the CDF and DZero collaborations showed at a Fermilab seminar a large fraction of about 150 results that they will present at this year's International Conference on High Energy Physics, which will take place in Paris from July 22-28. ICHEP organizers have scheduled more than 40 talks and a large number of poster presentations on Tevatron results.

"This might be a record year in terms of the number of results produced," said Rob Roser, co-spokesperson of the CDF collaboration. "CDF and DZero have lots of results on searches for exotic particles and dark matter candidates, signs of symmetry violation and the search for the Higgs particle, not to mention the discoveries of new decay channels of known particles and the many precision measurements of numerous particle properties."

Both the CDF and DZero collaborations are taking advantage of the wealth of data delivered by the Tevatron particle collider. While the Large Hadron Collider in Europe now produces collisions at higher energy than Fermilab's collider, the Tevatron is still far ahead in the total number of collisions produced. Since 2001, the Tevatron has delivered nine inverse femtobarns of collisions per experiment, about 100,000 times more than the LHC has produced since its start in 2009.

"For many sought-after phenomena, such as new, heavy particles, the higher the collision energy the better the chance for discovery," said Dmitri Denisov, co-spokesperson of the DZero experiment. "But for some rare processes, including low-mass Higgs production, extra energy is less important than a large number of collisions produced. As we saw two months ago, the Tevatron experiments still can yield surprising results." In May, the DZero collaboration announced that B hadrons produced in proton-antiproton collisions seem to produce more muons than antimuons in their decays, evidence for a new type of matter-antimatter asymmetry.

Read more

Special Announcement

Shutdown-related power outage Tuesday morning

An outage to the master substation will take place from 7-7:30 a.m. on Tuesday, July 20. The nearly site-wide outage will affect all buildings except for the Village buildings and the Main Injector. Please power down all personal electronics and computers before leaving work today. To learn more about Fermilab's four-week shutdown, view the article in the July 16 issue of Fermilab Today.

Photo of the Day

New employees - July 12

From left: Ben Hansen, Anthony Kephart, Mark Hauser, Daria Haznar and Ashley Schultz.
In Brief

EAP offers July webinars

Fermilab's Employee Assistance Program will offer webinars in July that focus on business etiquette and the importance of sleep.

  • Thursday, July 22, from 1-2 p.m., CDT, "Etiquette in the Workplace"
  • Thursday, July 29, from 1-2 p.m., CDT, "Sleep for Success"

Anyone interested in virtually attending the live events can register through the Fermilab EAP Web site with the User ID "Fermilab" and the password "eap". The event is one of the monthly one-hour Webinars offered by Fermilab's Employee Assistance Program. All Webinars are archived so they can be viewed at a later date if the scheduled date/time is not convenient.

In the News

Are we alone - Rend me your ears: Craig Hogan

From Are We Alone radio show, July 9, 2010

Part 5 of "Rend Me Your Ears", a program on the one-hour Are We Alone radio program features Craig Hogan, Director for the Center for Particle Astrophysics at Fermi National Accelerator Laboratory. Are We Alone is produced by the SETI Institute and broadcast and podcast every week

Listen to the show

ES&H Tips of the Week - Health health

Take care to prevent clots on long airplane flights

Walking around on long airplane flights is one way to prevent deep vein thrombosis.

If you travel in airplanes, particularly for long periods of time, you need to consider the risks of deep-vein thrombosis, or DVT.

While the Fermilab Medical Office routinely reminds those travelling abroad for business about ways to avoid the dangers of DVT, the office staff also want all employees to consider the risks when taking domestic or vacation-related flights.

The veins in your legs and thighs are a low-pressure return circuit that uses valves and muscle compression to ensure flow. Compromised blood flow increases the possibility of clotting. A clot that dislodges and travels to the heart or lungs can cause death.

Follow these tips to lower your risk of DVT in flight:

  • Maintain good fluid levels. Dehydration makes the blood more likely to clot.
  • Avoid alcohol or sleeping pills, which are likely to immobilize you.
  • Give yourself leg room by limiting the size of under-seat carry-on items.
  • Fidget. Walk the aisle or move your ankles to force calf muscles to squeeze blood back toward the heart. Be wary of pinch points from clothing and where the seat edge contacts your knees. If you are short, put your feet on your under-seat carry-on. Practice bending your toes upward to relieve pressure behind the knee.

If you are at higher risk due to recent surgery, cancer, bad leg veins or prior DVT, you should also:

  • Talk to your doctor about aspirin use and its anti-clotting effect. See the June 14 ES&H tip.
  • Wear compression stockings to make up for bad vein valves and boost the compression your muscles can provide on their own.
  • Consult with your doctor about low molecular weight heparin shots.

For more traveling tips see the Aerospace Medical Association website.

-- Brian Svazas, MD


Safety Tip of the Week Archive

Accelerator Update

July 14-16

- Four stores provided ~34 hours of luminosity
- Booster GMPS, Linac LRF5, and the MI-8 line all caused problems
- Booster repaired a kicker
- All proton beams off at midnight 7/16
- TeV store collided until Sunday at midnight
- Shutdown began at 8 a.m. today

Read the Current Accelerator Update
Read the Early Bird Report
View the Tevatron Luminosity Charts


Latest Announcements

Today is the deadline for on site housing requests

Applications for URA Visiting Scholars Awards due Aug. 20

Take 5 challenge quiz

Pre-K & youth swim lesson session 4 deadline

Argentine Tango, Wednesday, July 7 to 28

Ask HR: Professional Development at CDF July 21

Club & league fair - August 11

Day Camp payments due

Artist Reception - 5-7 p.m., Saturday, July 24

Sons of the Never Wrong - July 24 - 8 p.m

Grounding and Shielding of Electronic Systems course - Aug 12 and 13

Free Piano Concert featuring Sandor Feher, Ramsey Auditorium at 12:00 p.m. on Aug. 12

Claudia Schmidt - Singer/Songwriter - Fermilab Arts Series - Aug. 14

Gizmo Guys - Fermilab Arts Series - Sept. 25

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