Friday, Sept. 2, 2011

Have a safe day!

Friday, Sept. 2
9 a.m. to 11:30 a.m.
SUSY 2011 Conference
3 p.m.
3:30 p.m.
Joint Experimental-Theoretical Physics Seminar - One West
Speakers: Brendan Casey, Jim Strait, Sergei Nagaitsev - Fermilab
Title: LBNE and Project X

Monday, Sept. 5
Labor day holiday

Tuesday, Sept. 6
10:30 a.m.
Research Techniques Seminar - Curia II
Speaker: Wojtek Skulski, SkuTek Instrumentation/University of Rochester
Title: Searching for Dark Matter Using a Digital Trigger
3:30 p.m.
4 p.m.
Accelerator Physics and Technology Seminar - One West
Speaker: Arun Saini, University of Delhi
Title: Study and Optimization of RF and Beam Dynamics for Project-X CW SC Linac

Click here for NALCAL,
a weekly calendar with links to additional information.

Upcoming conferences


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Secon Level 3

Wilson Hall Cafe

Friday, Sept. 2

- Breakfast: Chorizo burrito
- Old-fashioned ham & bean soup
- Philly-style chicken
- Chicken pot pie
- Smart cuisine: Baked fish over rice
- Roasted veggie & provolone panini
- Assorted sliced pizza
- Carved baked ham
Wilson Hall Cafe Menu

Chez Leon

Friday, Sept. 2
Wednesday, Sept. 7
- Ham & gruyere crepes
- Cabbage salad
- Strawberry almond cream tart
Chez Leon Menu
Call x3524 to make your reservation.


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SUSY 2011 conference

The SUSY 2011 Conference particpants gathered on the steps of Wilson Hall on Aug. 30. Photo: Reidar Hahn

Theoretical and experimental physicists came together this week at Fermilab to discuss recent developments in the field of particle physics. The Supersymmetry 2011 International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY 2011) comes to a close today, Sept. 2.

“All week, people were very interested in discussing the recent results and the results expected to come out soon,” Marcela Carena, particle theorist and co-chair of SUSY 2011, said. “Physicists are analyzing an incredible amount of data every day. Everyone is excited.”

The conference, held since 1993, invites participants to analyze new high-energy physics concepts on an international scale. A different physics laboratory or university hosts the conference each time. This is the second time Fermilab held the SUSY conference.

Carena and Joe Lykken, particle theorist and co-chair of SUSY 2011, also chaired the first Fermilab SUSY conference in 1999. The number of participants doubled to 350 people, half of who are international. Registrants traveled to Fermilab from as far away as China and India.

Read more

Ashley WennersHerron

Photo of the Day

TD annual picnic - Aug. 26

The Technical Division held their annual picnic last Friday. TD personnel celebrated another year with games and food. Photo: Tom Nicol, TD

In the News

Dark matter is an illusion, new antigravity theory says

From National Geographic's Daily News, Aug. 31, 2011

Boiling sea of particles in space may create repulsive gravity.

The mysterious substance known as dark matter may actually be an illusion created by gravitational interactions between short-lived particles of matter and antimatter, a new study says.

Dark matter is thought to be an invisible substance that makes up almost a quarter of the mass in the universe. The concept was first proposed in 1933 to explain why the outer galaxies in galaxy clusters orbit faster than they should, based on the galaxies' visible mass.

At the observed speeds, the outer galaxies should be flung out into space, since the clusters don't appear to have enough mass to keep the galaxies at their edges gravitationally bound.

Read more

In the News

Atom-smashing hype faces reality

From's Cosmic Log,
Aug. 31, 2011

The latest results from the Large Hadron Collider serve as a reality check for expectations that radical scientific discoveries are just around the corner. A month ago, folks were buzzing about prospects that the elusive Higgs boson might soon be found. This week, they're talking about how the Higgs boson, as well as other exotic ideas such as supersymmetry and superstring theory, might be merely a will o' the wisp.

Reservations about the imminent revolution in particle physics cropped up in the wake of last week's Lepton Photon conference in Mumbai, India. Some observers speculated that fresh results could confirm an anomalous "bump" in earlier data from the LHC's two main detectors.

Read more

Special Announcement

Fermilab construction detour

Sections of Road D, the bike path and the CDF west parking lot will be closed for approximately three weeks beginning Tuesday, Sept. 6, to allow for utility trenching and road realignment. Please follow the detour signs.

From ILC NewsLine

Seeing beneath the surface

This is a 3.9-GHz higher-order mode coupler. Image courtesy of North Star Imaging

X-ray tomography gives subsurface view of accelerator cavities

The power of the CAT scan to find tumours or bone fractures has advanced medical science by bringing such ailments to X-ray light, foregoing the need to cut a body open for diagnosis. As particle accelerator research makes its own advances, scientists are exploiting the X-ray in similar ways.

Researchers at the US Department of Energy Fermi National Accelerator Laboratory have been using X-ray computed tomography (CT) to take their search for faults in accelerator cavities and associated structures beneath the surface. Penetrating X-rays can reveal performance-limiting cracks and holes that would otherwise go undetected.

“It’s been a really cool tool for us,” said Fermilab’s Elvin Harms. Unlike its most familiar application in the medical field, X-ray tomography isn’t used to to view a cavity’s innards – there’s nothing in a cavity but empty space. But flaws and other weakness can hide within a cavity’s walls or other places, such as cavity end groups, that are tough to access without breaking cavities apart.

The method of diagnosis of a cavity by X-rays is fundamentally the same as that of a patient in a CAT (computed axial tomography) scanner. It begins by placing the suspected-broken structure inside a radiation-safe X-ray cabinet, between the X-ray tube and a digital detector. The differences in material thickness and density attenuate the X-rays differently.

Read more

Leah Hesla


Latest Announcements

Weight Watchers at work

Fox Valley Robotics informational meetings - Sept. 9-11

SciTech Discovery Preschool open house - Sept. 8

"Is the Bible Reliable?" lunch-time video series - Sept. 6

Zumba Fitness coming to Fermilab - Sept. 7 through Oct. 26

Butts & Guts - Sept. 8

Bohr and Heisenberg at Elgin Arts Theatre - Sept. 16-25

Chess players wanted

Accelerate to a Healthy Lifestyle Program continues

Athletic leagues: Outdoor soccer Tuesdays and Thursdays

Bowlers wanted for 2011/2012 bowling season

Fermilab photography club

Open Badminton

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