Fermilab Today Thursday, Feb. 26, 2009

Thursday, Feb. 26
2:30 p.m.
Theoretical Physics Seminar - Curia II
Speaker: Johan Alwall, SLAC National Accelerator Laboratory
Title: QCD Radiation and New Physics Production at the LHC
3:30 p.m.
4 p.m.
Extreme Beam: Physics at the Intensity Frontier Lecture Series - One West
Speaker: Junji Hisano, University of Tokyo
Title: Charged Lepton Flavor Violation

Friday, Feb. 27
3:30 p.m.
4 p.m.
Joint Experimental-Theoretical Physics Seminar - One West
Speaker: Mayly Sanchez, Argonne National Laboratory
Title: Initial Study of nm -> ne Transitions in MINOS
8 p.m.
Fermilab Lecture Series - Auditorium
Tickets: $5
Speaker: Dr. Angela Olinto, University of Chicago
Title: Chasing Cosmic Bullets: The Pierre Auger Observatory

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


Heavy rain

Extended Forecast
Weather at Fermilab

Current Security Status

Secon Level 3

Wilson Hall Cafe

Thursday, Feb. 26
- Tomato Florentine
- *Pork BBQ sandwich
- Pasta primavera
- Smart cuisine: chicken marsala
- Smoked turkey melt
- Assorted sliced pizza
- SW chicken salad w/roasted corn salsa

*Carb restricted alternative

Wilson Hall Cafe menu

Chez Leon

Thursday, Feb. 26
- Crab stuffed mushrooms
- Speckled trout meuniere with meuniere sauce
- Garlic cheese grits
- Corn maque choux
- Bread pudding with whiskey sauce

Wednesday, March 4
- Italian sausage puttanesca - Mixed green salad with tangy herb vinaigrette
- Berry filled brown sugar meringues

Chez Leon menu
Call x3524 to make your reservation.


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Special Announcement

First Extreme Beam lecture today, 4 p.m. in One West

The first lecture in the Extreme Beam lecture series will take place today at Fermilab.

The first lecture of the Extreme Beam lecture series will take place at 4 p.m. today in One West. Junji Hisano, from the University of Tokyo's Institute for Cosmic Ray Research, will give a talk titled "Charged Lepton Flavor Violation."

The lecture series, which will feature talks at Fermilab throughout 2009, will give in-depth information about the science and accelerator and detector technologies that will create a world-leading physics program at the Intensity Frontier.

Visit the Extreme Beam Web site for more information.


AAAS and AAPT talks now available online

This month, the American Association for the Advancement of Science hosted in Chicago one of the largest and most diverse science meetings in the United States. The conference coincided with the winter meeting of the American Association of Physics Teachers.

More than 40 scientists and teachers gave talks on particle physics, astrophysics and cosmology. A Fermilab Web site now offers pdf and PowerPoint files of most of these presentations. Highlights include a session on physics at the intensity frontier, research with the Tevatron collider experiments; and particle physics experiments for high school students. Please share the site with your friends and people who are interested in particle physics.


Photo of the Day

Delegation from Hungary visits Fermilab

On Feb. 12 a Hungarian delegation toured Fermilab with Fermilab Deputy Director Young-Kee Kim and Assistant Laboratory Director Jeff Appel. Front row from left: Dr. Istvan Mezei, Dr. Jozsef Palinkas, Young-Kee Kim and Istvan Szemenyei. Back row: Sandor Feher, Jeff Appel, Elemer Nagy and Miklos Martin-Kovacs.

Special Announcement

Neutrino Summer School registration now open

The 2009 International Neutrino Summer School will take place at Fermilab July 6-17, 2009. The school is for advanced graduate students and recent post-docs. The registration deadline is April 30, but early application is advised as a limited number of places are available. More information and the online registration form are available from the school Web page.

The summer school aims to cover the full breadth of neutrino physics topics, including both experimental and theoretical aspects. It will present an opportunity for participants to concentrate on the many aspects of the field that our community will address over the next few decades. We encourage young researchers, either currently engaged in neutrino physics or considering it, to attend the school. The school will present a series of formal lectures as well as more informal discussion and tutorial sessions. Participants will be housed at the nearby Pheasant Run resort. Funds may be available to partially support some participants.

In the News

XFEL construction news

From the European XFEL, Feb. 25, 2009

Six weeks after the official start of construction, the schedule for the civil engineering work on the three construction sites near the German laboratory DESY has been sketched out.

At the DESY-Bahrenfeld site, around one third of 120 000 cubic metres of soil have already been removed. The tunnel boring machine will arrive here in July 2011. The modulator hall and the access halls above ground will be erected between June 2011 and October 2012. The large underground building for the injector complex will be realized by December 2012.

Read more

In the News

2009 Energy and water appropriations

From the U.S. House of Representatives, Feb. 25, 2009

Summary of the consolidated appropriations bill


DEPARTMENT OF ENERGY: $27 billion, $2.5 billion above 2008 to build on efforts in the American Recovery and Reinvestment Package to conserve and produce clean, efficient, American energy, and to improve nuclear security.

Read more

More details:

High Energy Physics. The bill provides $795,726,000 for this program. Within this amount, $27,766,000 is provided for the NuMI Off-Axis Neutrino Appearance Detector, a reduction of $9,234,000 from the request in recognition of funding provided in Public Law 110-252, and $3,200,000 is provided for EXO 200 neutrinoless double beta decay experiments to complete construction in 2009. The control level is at the High Energy Physics level.

Read more

Fermilab Result of the Week

Seeing jets from the top

Distribution of the reconstructed top quark mass for signal events with at least two b-quark jets.

Even 14 years after its discovery, the top quark is largely terra incognita. Its heavy mass was the most surprising property at the time of its discovery, and is still a captivating topic. Nowadays, the precise knowledge of the top quark mass can be used to constrain the mass of another theorized special particle, the Higgs boson, but also it suggests a special role of the top quark in the particle family.

Most of the Tevatron collisions produce quarks or gluons, which appear in the detector as sprays of particles called jets. Top quarks on the other hand are produced only once in 10 billion collisions. They appear mostly in pairs, each decaying very quickly to a b quark and a W boson. B quarks produce long-lived particles whose decay products can be identified, allowing b jets to be "tagged." W bosons can decay into leptons, which are uncommon at a hadron collider such as the Tevatron. This helps to improve purity by removing background events that do not contain leptons.

Still, the W bosons usually decay into two quarks each; giving four jets in addition to the ones from b quarks. A CDF group used this signature, only based on jets, to isolate a sample of top quark events. After requiring b-tagged jets, they further cleaned up the event sample by exploiting the differences between the jets that originated from quarks and the jets that originated from gluons. Gluons are typically created in uninteresting collisions. Using this novel approach, CDF scientists achieved the highest purity ever obtained in this sample, and they were able to measure the top mass with the unprecedented precision for this channel of 1.5 percent.

This measurement will help increase the overall precision on the knowledge of the top quark mass. Also, with a sample much cleaner than in the past, many additional studies using top quarks are now possible, and scientists hope to be surprised by the outcomes.

-- edited by Craig Group

From left: Luca Brigliadori, Bologna University; Andrea Castro, Bologna University; and Fabrizio Margaroli, Purdue University.

Accelerator Update

Feb. 23-25
- Three stores provided ~26.5 hours of luminosity
- MI damper problem found and fixed
- H- source brought online
- TeV quench - store 6829 lost

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


Latest Announcements

Sounding of outdoor sirens, March 2

SciTech Summer Camps

Outlook 2007 New Features class offered April 8

New electronic org chart

Summer student Program - Feb. 27

Deadline for The University of Chicago Tuition Remission Program - March 12

Have a safe day!

Muscle Toning classes

Kyuki Do classes - March 30

Daycamp information and registration - deadline - Feb. 26

The Pierre Auger Experiment - Lecture by Dr. Angela Olinto - Feb. 27

English Country Dancing, March 1

Sounding of outdoor sirens, March 2

Introduction to LabVIEW class offered March 5

Arianna String Quartet performs in Gallery Chamber Series -March 8

On-Site Housing - Summer 2009 - deadline - March 9

Fermilab Arts Series presents Solas - March 14

Altium Designer Lunch and Learn seminar - March 17

Excel 2007 Pivot Tables class offered March 18

Access 2007: New Features class offered March 18

PowerPoint 2007: Intro class offered March 19

Bulgarian Dance Workshop, March 19

URA visiting Scholars applications due March 20

NALWO Adler Planetarium Trip March 21

Child Care program offered - March 24

Publisher 2007: Intro class April 1

Conflict Management & Negotiation Skills class offered April 1

Additional Activities

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