Monday, Oct. 13, 2014

Have a safe day!

Monday, Oct. 13

2 p.m.
Particle Astrophysics Seminar - Curia II
Speaker: Zarija Lukic, Lawrence Berkeley National Laboratory
Title: Lyman Alpha Forest in Optically Thin Cosmological Simulations

3:30 p.m.
Director's Coffee Break - 2nd Flr X-Over


Tuesday, Oct. 14

3:30 p.m.
Director's Coffee Break - 2nd Flr X-Over


Visit the labwide calendar to view Fermilab events

Weather Showers

Extended forecast
Weather at Fermilab

Current Flag Status

Flags at full staff

Wilson Hall Cafe

Monday, Oct. 13

- Breakfast: eggs benedict
- Breakfast: sausage, egg and cheese croissant
- Sloppy joe
- Teriyaki pork stir fry
- Chicken makhani
- Oven-roasted veggie wrap
- Taco salad
- Vegetarian cream of spinach
- Texas-style chili
- Assorted pizza by the slice

Wilson Hall Cafe menu

Chez Leon

Wednesday, Oct. 15
- Orange glazed pork tenderloin
- Cranberry tabbouleh
- Snap pea sauté
- Apple crisp

Friday, Oct. 17

Chez Leon menu
Call x3524 to make your reservation.


Fermilab Today

Director's Corner

Frontier Science Result

Physics in a Nutshell

Tip of the Week

User University Profiles

Related content


Fermilab Today
is online at:

Send comments and suggestions to:

Visit the Fermilab
home page

Unsubscribe from Fermilab Today


Fermilab hosts international workshop on neutrino beams

Fermilab recently hosted scientists from all over the world for a workshop on neutrino beams and instrumentation. Photo: Reidar Hahn

From Sept. 23-26, Fermilab hosted the Ninth International Workshop on Neutrino Beams and Instrumentation (NBI 2014). Fermilab's Alberto Marchionni, neutrino physicist in the Accelerator Division, and Bob Zwaska, accelerator physicist in the Accelerator Physics Center, co-chaired NBI 2014. Marchionni and Zwaska said the conference was a big success, with discussions chiefly concerning target materials, facility designs with increased neutrino beam power, safety and international cooperation — all with a heavy focus on long-baseline experiments.

The workshop series was initiated in 1999 when Japanese scientists, who had just started their neutrino beam for the world's first long-baseline experiment, sought international input. Participants from other countries understood the value of the workshop and supported its continuation.

"When you start designing a beamline, you present at this gathering," Marchionni said.

He provided an example of earlier NBI discussions on Fermilab's NuMI neutrino beamline informing the subsequent J-PARC (Japan Proton Accelerator Research Complex) neutrino beamline design.

Zwaska added that the workshop is especially relevant to Fermilab.

"Whether with neutrino oscillation experiments — the long-baseline ones, the short-baseline ones — or scattering experiments, neutrino experimentation is central to what Fermilab does," Zwaska said. "The exchange of information at the workshop is the most efficient way to enhance our skills to conduct these experiments and build neutrino beamlines. There is no book for how to make these beams."

A good part of NBI 2014 focused on operations, including safety. Zwaska said that, just like other scientific operations, neutrino beam facilities age, and that access, upkeep and repair of critical components of neutrino beamline systems was an important focus at the workshop.

Participants also discussed the near- and long-term future, in which beamlines will operate at higher power levels and eventually at megawatt intensities, as in the case of the proposed Long-Baseline Neutrino Facility being developed at Fermilab.

"We are ready to face the challenge in 2015, when we have to go significantly beyond the power we achieved with NuMI this past year of 360 kilowatts," Marchionni said, referring to recent improvements to the Fermilab accelerator complex. This will be very auspicious for particle physics, he explained, because Fermilab's NOvA experiment, matched with data from the other neutrino experiments, will begin to address pressing questions about our universe, such as its matter-antimatter imbalance.

Like previous NBIs, the importance of international cooperation was underscored at the workshop. Marchionni said international cooperation will be even more important for the higher power operations of the future.

"The neutrino beam is really a part of the physics of the experiment," Marchionni said. "In part, because of differing viewpoints like those you find at NBIs, you come up with the best solutions in experiments that have international participation. The same is true for the neutrino beam."

The next NBI workshop will take place in Japan in 2016.

Rich Blaustein

In the News

Particle physics: The mass of a top

From Nature, Oct. 9, 2014

Writing in Physical Review Letters, researchers working in the D0 experiment (Abazov et al.) at the Tevatron accelerator at Fermilab near Chicago, Illinois, report the most precise single measurement so far of the mass of the heaviest known elementary particle, the top quark. The result concludes an exciting 20-year saga — from the joint discovery of the top quark by the DZero Collaboration and its competitor the CDF Collaboration, to a measurement of the top quark's mass with a precision better than 0.5 percent. A similar result from the CDF experiment is to be expected, updating their 2012 result.

Read more

Tip of the Week: Cybersecurity

Goodbye, Cryptocards. Hello, RSA tokens

Fermilab will soon move from the use of Cryptocards to RSA tokens for secure remote access to Fermilab systems. Photo: Ocrho - own work. Licensed under public domain via Wikimedia Commons

Many people need to log in remotely to Fermilab computing systems. Unfortunately, the most common way hackers steal passwords is to detect them as they traverse the network when a user logs in remotely. Consequently, one of our most important cybersecurity tasks is to prevent inadvertent disclosure of passwords.

Our primary tool in accomplishing this objective is the use of Kerberos. With this method, you first log in to a local Kerberos client installed on your desktop or laptop. Next, a Kerberos ticket is granted to you. Finally, your ticket, instead of your password, travels over the network, and your ticket is presented to allow you to log in to the remote Fermilab computer. Kerberos therefore substantially reduces any risk of password exposure.

Of course, sometimes you may need to log in to a Fermilab computer from a device that does not have a Kerberos client installed, such as a tablet. Until Oct. 11, you would have used a Cryptocard to generate a single-use password for this purpose. With the upgrade of the laboratory's Kerberos systems, Cryptocards will no longer work. (The customized software supporting the Cryptocards cannot be integrated with the latest versions of Kerberos.) Instead, we will move to using RSA tokens, a modern, industry-standard solution. These tokens generate a single-use password for remote log-ins and, like Cryptocards, minimize the risks of password disclosure. The RSA tokens also are a method of two-factor authentication that I wrote about in February.

If you use a Cryptocard or if you need to access lab computers remotely from a device that does not have a local Kerberos client available, please read this article for important information about what you need to do.

Irwin Gaines

Photo of the Day

In search of grassy ground

A grasshopper stops for a photo on the ledge outside Wilson Hall. Photo: Troy Rummler, Office of Communication

Today's New Announcements

Employee Health and Wellness Fair - Oct. 14

Featured ebook on neutrino physics

Indoor soccer

Mat Pilates class now offered at Fermilab - register today

Zumba Toning registration due Oct. 14

Gallery talk - Oct. 15

Ultimate Core class registration due Oct. 15

Zumba Fitness registration due Oct. 16

Interpersonal Communication Skills - Oct. 21

Lecture Series: Success and Failure in Engineering - Oct. 24

Excel 2010: Intermediate - Oct. 29

Managing Conflict - Nov. 5 (morning only)

Access 2010: Advanced - Nov. 12

Excel 2010: Advanced - Dec. 3

Pace Batavia Call-n-Ride service to Fermilab

International folk dancing Thursday evenings at Kuhn Barn

Scottish country dancing Tuesday evenings at Kuhn Barn

English country dancing at Kuhn Barn