Tuesday, May 17, 2011

Have a safe day!

Tuesday, May 17
3:30 p.m.
4 p.m.
Accelerator Physics and Technology Seminar One West
Speaker: Tom Schwarz, University of California, Davis
Title: Measurement of the Forward Backward Asymmetry in Top Production at the Tevatron

Wednesday, May 18
3:30 p.m.

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Tuesday, May 17

- Breakfast: Bagel sandwich
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Wednesday, May 18

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Friday, May 20
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From KEK: DG's Corner

Damage caused by the recent earthquake and recovery prospects

From KEK, May 9, 2011
Atsuto Suzuki

First of all, I would like to express my deepest appreciation for the messages of concern, sympathy and encouragement that we received from all over the world since the major earthquake of March 11th. We are working to restore KEK as quickly as possible to its original condition so it can once again function as the exceptional research facility it was hitherto. Your messages do help a great deal in this difficult time.

Both the KEK-Tsukuba and KEK-Tokai (J-PARC) sites experienced tremors exceeding 6 on the Japanese seismic intensity scale, even though we are some 300 km away from the epicenter. This has caused a significant amount of damage to both facilities.

In the Tsukuba-campus, components of accelerators, detectors and peripheral became detached and fell to the ground or collided with each other. Infrastructures such as the substation to receive and distribute electric power from outside, water reservoir tanks and campus roads were also damaged. Their functions have already been partially restored with quick-fix repairs. The tsunami did not affect J-PARC although it did penetrate somewhat beyond the beach area. However, there is serious subsidence and cracks have appeared in the surrounding roads, with a partial collapse of the accelerator/detector buildings. Fortunately, there has been no observed serious damage to the accelerator and detector devices located underground. The status of the damage based on visual inspections and an operational check with electric power supplied to the device is shown in the following map and PDF files:

Damage status map
Damage Report of KEK (PDF: 7.7MB)
Damage Report of J-PARC (PDF: 664KB)

Read more

Video of the Day

Endeavour launch lifts search for dark matter, antimatter to new heights

From symmetry breaking, May 16, 2011
Endeavour lifted off at 8:56 a.m. EDT Monday. Click on the image to watch video of the liftoff.

This morning Endeavour launched from the Florida coast on its final mission. The NASA shuttle will deliver to the International Space Station the largest physics experiment to blast into space, the Alpha Magnetic Spectrometer.

AMS-02 will allow scientists to study highly energetic subatomic particles outside Earth’s atmosphere to search for signs of dark matter and primordial antimatter, or antimatter created during the big bang. Fifty-six institutions from 16 countries take part in the AMS-02 collaboration.

Read more about the experiment.

Kathryn Grim
In the News

New movie with far-fetched “Big Bang” scenario released

From symmetry breaking, May 13, 2011

Picture this: The abandoned underground tunnels for what would have been the world’s largest particle accelerator get taken over by a billionaire/physicist duo that plans to recreate the Big Bang and bring about the end of the world as we know it.

Sound like great movie fodder? Director Tony Krantz certainly thought so. It’s the basis of his new movie, The Big Bang, a neo-noir thriller which comes out in theatres today.

According to the movie synopsis, a Los Angeles private eye (Antonio Banderas) is on a hunt to find a Russian boxer’s stripper ex-girlfriend. Along the way he meets some interesting characters, including a particle physics-obsessed waitress, played by Autumn Reeser, and the folks who are intent on destroying the world. It all sounds very complicated.

Now don’t you worry, all you physicists and folks out there who appreciate good science. I see you scratching your head with a confused look on your face. And understandably so, as the particle physics scenario put forth in this movie is not feasible at all.

Read more

Christine Herman
Director's Corner

An LHC discussion

Fermilab Director Pier Oddone poses with a painting of Ben Franklin, a Royal Society Fellow, at the Royal Society in London.

This morning I chaired the opening session of a discussion on the LHC at the Royal Society in London. Sir Isaac Newton sat to my left, looking onto the audience from a painting. Today’s event is one in a long tradition of Royal Society discussions going back about three and a half centuries. The purpose this time was to engage a broader audience on the many facets of the LHC, from its scientific potential for discovery, to the science and engineering of the accelerator, to the technological developments of detectors and computing, and to the social, political and financial aspects of mounting such a global project. The audience included distinguished members of our field, science writers and reporters, scientists from other fields, policy makers and the interested public.

The Royal Society is a fitting venue for this sort of discussion because it invites reflection. Many great minds have been fellows of this society. Near the portrait of Newton (1642-1727) are portraits of two other former society presidents: Lord Ernest Rutherford (1871-1937), who received the Nobel Prize in chemistry in 1908 and is the father of all our scattering experiments and Lord Howard Florey (1899-1968), who as co-discoverer of penicillin shared the 1945 Nobel Prize in physiology and medicine. Fermilab's own Keith Ellis was elected as a Royal Society Fellow in 2009.

The rich history of the Royal Society is evident not only in the lecture hall, but throughout the halls and corridors of the society where remarkable portraits include interesting characters such as the philosopher John Locke (1632-1704), who was hugely influential in establishing that knowledge derives from experience and is not innate. He had broad influence on thinkers of the Enlightment and even the U.S. Constitution. In fact, respect for evidence rather than authority is the motto of the Royal Society, "nullius in verba", Latin for "take nobody's word for it”, adopted to signify the Fellows' determination to establish facts via experiments. It would be a good motto on which to base public debate today.

Read more

Accelerator Update

May 13-16

- Five stores provided ~63 hours of luminosity
- Tevatron personnel conducted hollow-beam studies
- EE support personnel helped operations turn on the Tevatron electron lens
- Booster suffered from low-level RF room temperature problems
- NuMI target problems held off NuMI beam
- Necessary cryo system repairs on wet engine flywheels required the run coordinator to terminate store 8737 on May 16

*The integrated luminosity for the period from 5/9/11 to 5/16/11 was 63.88 inverse picobarns. NuMI took 4.15E18 of beam during this same time period.

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


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