Fermilab Today Friday, July 23, 2010

Have a safe day!

Friday, July 23
3:30 p.m.
4 p.m.
Joint Experimental-Theoretical Physics Seminar - One West
Speaker: Rex Tayloe, Indiana University
Title: Neutrino-Nucleon Quasielastic Scattering in MiniBooNE

Monday, July 26
2:30 p.m
Particle Astrophysics Seminar (NOTE LOCATION) - One West
Speaker: Bernard Carr, Queen Mary University of London
Title: Primordial Black Holes as a Probe of Dark Matter, Dark Energy and Dark Dimensions
3:30 p.m.
4 p.m.
Special Joint Experimental-Theoretical Physics Seminar (NOTE DATE) - One West
Speaker: Wade Fisher, Michigan State University Title: Results of the Tevatron Higgs Combination

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Wilson Hall Cafe

Friday, June 25
- 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
- Baked potatoes

Wilson Hall Cafe Menu

Chez Leon

Wednesday, July 28
- Beef kabobs
- Rice pilaf
- Blackberry parfait

Chez Leon Menu
Call x3524 to make your reservation.


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Recreation Feature of the Month

Classes, events and discounts for August

Fitness classes starting soon:

  • Kyuki-Do: 5-6 p.m. Mondays and Wednesdays from Aug. 9 – Sept. 15 in the Recreation Facility. Cost: $55 per person.
  • Bod Squad Muscle Toning: 5:30-6:30 p.m. Tuesdays and Thursdays from Sept. 2-Oct. 28 in the Recreation Facility. Cost: $77 per person.

Register in the Recreation Office, WH15W, or call x2548.   

This month, the Benefits/Recreation Department will also sponsor the following wellness events:

  • Lunch & Learn: "Power of Preventive Health Care": noon-1 p.m. on Wednesday, Aug. 18, in Curia II in Wilson Hall. Learn health care techniques to help prevent or modify certain conditions and diseases, including age-appropriate screenings and vaccinations and topics including: nutrition, fitness, heart health and smoking cessation. Hosted by Blue Cross/Blue Shield. RSVP to Jeanne Koester, x2548, by Aug. 11.
  • Qi Gong, Mindfulness & Tai Chi Easy will take place from noon-12:45 p.m. on Fridays in Ramsey Auditorium. Free.                                                

Employee League and Club Fair:
11:30 a.m. – 1 p.m. on Wednesday, Aug. 11, in the Wilson Hall atrium
Fermilab has more than 25 employee clubs and athletic leagues available for you to participate in. Come see what we have to offer. This entertaining event will feature demonstrations and flight simulations.


  • Movie tickets
  • AMC Tickets: $7-8
    Goodrich Tickets: $7
  • Six Flags Great America
  • Discount tickets available online
  • Raging Waves Waterpark - Yorkville
  • Online tickets at http://tickets.ragingwaves.com.
    Cost for adults and children 48” and taller: $20.99 (regularly $26.99).  Enter store name/promotion code: Fermilab
In Brief

Update on E-Verify efforts

Since May 2010, the HR Services Department has worked to ensure that Fermilab complies with a new requirement in FRA’s contract with the Department of Energy. Fermilab is now required to participate in E-Verify, an electronic system operated by the Department of Homeland Security that enables employers to verify identity and work authorization. Fermilab must enter data for more than 1,600 employees hired on or after Nov. 7, 1986, and before June 1, 2009.

As part of this task, HR Services representatives have been auditing all existing I-9 employment eligibility verification forms for employees and submitting relevant data to E-Verify. On July 16, HR Services employees made the 1,000th E-Verify submission, which means the laboratory has completed approximately 70 percent of the submissions.

In most cases, representatives did not need to contact employees. HR Services representatives used previously supplied I-9 forms and documents to facilitate data submission to the E-Verify system. In a very small percentage of cases, representatives contacted employees to complete a new I-9 form. This usually occurred because of changes to the employee’s name, changes in document acceptability or because of the E-Verify system's limitations. The very small number of cases that required contact, however, created some confusion.

“Employees have called Fermilab HR to ask why they are being targeted,” said Borys Jurkiw, HR Services Department manager. “They say that none of their coworkers received an e-mail about E-Verify, so they wonder why they did. The reason is that for almost all employees we had the required information on hand.”

Employees can check the Question and Answer page for information about the E-Verify process and I-9 audit. If you have additional questions or concerns about E-Verify, please e-mail everify@fnal.gov.

“Thanks to the cooperation and understanding of our employees, we’re in a very good position to be in full compliance with our contractual obligations by the end of the summer,” Jurkiw said.

Special Result of the Week

MiniBooNE uses neutrinos to shed light on nuclear physics

Double differential cross section for muon neutrino CCQE scattering on carbon as recently reported by MiniBooNE. This measurement is the first of its kind for this process.

Most of the time, MiniBooNE studies the phenomenon of neutrino oscillations, how neutrinos change from one type into another over a distance. But recently, MiniBooNE took a more careful look at neutrino scattering, the way that this normally invisible particle shows itself by interacting with visible matter. Looking closer at how neutrinos interact can help physicists better understand this ghostly particle.

Measuring a cross section for neutrino interactions can be a difficult task. Neutrino cross sections are very small, and measuring them requires knowing precisely how many neutrinos are hitting a detector within a given period of time.  Physicists typically don't know exactly how many neutrinos are produced in an accelerator beam. This uncertainty isn't a problem for neutrino oscillation searches because of what they are measuring. The procedures these oscillation experiments use, however, can sweep some interesting physics under the rug.

To take a closer look at neutrino scattering, MiniBooNE first worked to reduce this large neutrino production uncertainty, which is typically 30 percent or more, with the help of the HARP experiment at CERN. HARP replicated the MiniBooNE beam and measured the rate of pions produced on the MiniBooNE target, which in turn allowed scientists to predict neutrino production in the Fermilab Booster neutrino beam to within a 9 percent error margin. This allows MiniBooNE physicists to directly measure the interaction cross sections for neutrino processes.

The new result, recently reported in Physical Review D, is an absolute measurement of the double differential cross section, the number of events physicists see as a function of muon energy and angle for neutrino charged-current quasi-elastic (CCQE) scattering. This process occurs when a neutrino strikes a neutron in a carbon nucleus and creates a muon and proton.

Read more

In the News

New galaxy maps to help find dark energy proof?

From National Geographic News, July 21, 2010

A newly developed technique could one day help astronomers use giant sound waves to test theories of dark energy, the mysterious force thought to be causing the universe to fly apart faster over time.

Called intensity mapping, the technique looks for unique radio emissions of hydrogen gas in galaxies and galaxy clusters to map the large-scale structure of the universe. Hydrogen is the lightest and most abundant element in the universe, and it tends to cluster around galaxies because of their strong gravitational pull.

Read more


Latest Announcements

English country dancing, Sunday, July 25

NIM and Physics Reports now completely online at Fermilab

Regal Movie Theater discount tickets available

Artist reception - Saturday, July 24, from 5-7 p.m.

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

Time to complete accomplishment reports

Habitat Restoration at Fermilab

Applications for URA Visiting Scholars Awards due Aug. 20

Take 5 Challenge Quiz

Last week's walking program drawing winner

Argentine Tango through July 28

Club & League Fair - Aug. 11

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

Free piano concert featuring Sandor Feher in Auditorium at noon - Aug. 12

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

Gizmo Guys inFermilab Arts Series - Sept. 25

Pre-K & Youth swim lesson session 4 deadline

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