Friday, August 20|
3:30 p.m. Wine & Cheese - 2nd Flr X-Over
4:00 p.m. Joint Experimental Theoretical Physics Seminar - 1 West
Speaker: N. Bell, Fermilab
Title: Cosmic Neutrinos – From the Highest Energies to the Lowest
8:00 p.m. Fermilab Film Series - Ramsey Auditorium
Title: Roman Holiday
Tickets: Adults $4
Saturday, August 21
8:00 p.m. Fermilab Arts Series - Ramsey Auditorium
Title: Mystical Arts of Tibet: Sacred Music Sacred Dance –
Tibetan Monks from the Drepung Loseling Monastery
Monday, August 23
THEORETICAL ASTROPHYSICS SEMINARS WILL RESUME
IN THE FALL
3:30 p.m. DIRECTOR'S COFFEE BREAK - 2nd Flr X-Over
4:00 p.m. All Experimenters' Meeting - Curia II
Special Topic: Linear Collider Technology Recommendation
Friday, August 20|
Old Fashioned Ham & Bean soup
Hot-Dog Bar $4.75
Grilled Chicken in a Mushroom Cream Sauce $3.75
Tex-Mex Lasagna $3.50
Roasted Veggie & Provolone Panini $4.75
Pizza Cacciatore $2.75
Vegetarian Stir Fry $4.75
Wilson Hall Cafe Menu
International Panel Recommends "Cold" Technology for Future Particle Accelerator|
Beijing, China—The International Committee for Future Accelerators (ICFA), meeting
during an international physics conference here, today (August 20) endorsed the
recommendation of a panel of physicists charged to recommend the technology choice
for a proposed future international particle accelerator.
The 12-member International Technology Recommendation Panel, chaired by Barry
Barish of the California Institute of Technology, recommended that the world
particle physics community adopt superconducting accelerating structures that
operate at 2 Kelvin, rather than "X-band" accelerating structures operating at
room temperature, as the technology choice for the internationally-federated
design of a new electron-positron linear collider to operate at an energy between
0.5 and 1 TeV.
"Both the 'warm' X-band technology and the 'cold' superconducting technology
would work for a linear collider," the ITRP’s Barish said. "Each offers its
own advantages, and each represents many years of R&D by teams of extremely
talented and dedicated scientists and engineers. At this stage it would be too
costly and time consuming to develop both technologies toward construction. The
panel had our first meeting in January 2004 and started our evaluation of the two
technologies. The decision was not an easy one, because both technologies were well
advanced and we knew the selection would have significant consequences for the
participating laboratories. On the basis of our assessment, we recommended that
the linear collider design be based on the superconducting technology."
read entire press release
DESY Press Release
ITRP Executive Summary (PDF)
Talk by Barry Barish (PDF)
Helen Edwards observes Fermilab test stand with TESLA structure inside cryogenic vessel for "cold" or superconducting technology.
(Click on image for larger version.)|
Fermilab Prepares to Follow ILC Decision|
Fermilab is now preparing to commit its own efforts in "cold" or superconducting
technology in line with the endorsement of the International Linear Collider
Steering Committee and the International Committee for Future Accelerators.
"The technology decision is a big step towards the ultimate goal, which is the
construction and operation of a linear collider," said Steve Holmes, Associate
Director for Accelerators.
Holmes, also a member of the American Linear Collider Steering Committee,
continued: "This decision will allow a
consolidation of resources, both at Fermilab and within the world community,
in pursuit of that goal."
Shekhar Mishra, Head of Fermilab's ILC efforts, added: "Physicists from around
the world have yet again shown that we can make a tough choice. There is still
a tough road ahead on the ILC. Fermilab will work with SLAC, KEK, DESY and other
institutions around the world to make the ILC a truly international project."
Fermilab has contributed to research and development in both warm and cold
technology ("Linear Collider R&D at Fermilab,"
Fermilab Today, Friday, July
Concluded Holmes: "We will be working hard over the next several weeks to meet
the challenge of organizing ourselves and working with collaborators throughout
the world to establish an effective global design effort aimed at a superconducting
From the Stanford Report, August 18, 2004|
Task force tackles role of particle physics in universe
Deciphering the laws govering dark matter and dark energy
by Davide Castelvecchi
A string of recent discoveries in astronomy has left scientists with an unsettling realization: The stuff we know and understand makes up less than 5 percent of the universe. The rest has to be yet-unknown forms of "dark matter" and "dark energy."
Witherell: ILC Offers Compelling Physics|
Yesterday in Beijing, the International Technology Recommendation Panel made
their recommendation on the technology for an International Linear Collider to
the International Committee on Future Accelerators, on which I serve. The ITRP
recommended that the world particle physics community adopt superconducting
accelerating structures rather than "X-band" accelerating structures operating
at room temperature, as the technology choice for the international linear
collider. ICFA unanimously endorsed this recommendation.
The linear collider would provide such compelling physics opportunities that
particle physics laboratories around the world have chosen to take a unified
approach to developing the final design. The recent technology decision, taken
by the international linear collider community as a whole, is an important and
historic milestone in this approach. With the technology decision behind us,
the particle physics community can now begin work on a global design for the ILC.
Fermilab is a strong advocate of the physics that would come from a linear
collider. Fermilab people have worked on the R&D for both of the technologies
developed for the linear collider. We have committed to be a major participant
in the International Linear Collider, whatever the technology choice. Now we
are ready to work with our colleagues at SLAC, KEK, DESY and other institutions
in establishing the global design effort.
Although the technology decision presents a great opportunity to advance the
ILC, we need to recognize the challenges ahead. Scientists and engineers at SLAC
and at KEK have led a highly successful effort to establish the feasibility of
the X-band approach, and we at Fermilab are proud to have built many of the
accelerating structures that demonstrated that feasibility. It will take courage,
effort and time for those who have invested their creative effort into the X-band
R&D to put their hearts and minds into developing the superconducting design.
To build an ILC, however, we will need their active participation and leadership.
For Fermilab and the field of particle physics, I congratulate and thank
the people who have made heroic efforts to develop two technologies. Both
would work for the linear collider. We need the best ideas from all of these
experts to develop the design for the ILC. For Fermilab's part, we will work
together with our colleagues around the world to realize the shared dream of
a linear collider and the great science that it will produce.
Monthly Leave Sheets Reminder|
Monthly Time Leave Sheets are due in Payroll by 10:00 a.m. on Friday August
Fermilab Film Series Tonight
The Fermilab Film Series presents "Roman Holiday" tonight at 8:00 p.m.
in Ramsey Auditorium. Tickets are $4.00 for adults.
Fermilab Arts Series Tomorrow
The Fermilab Arts Series presents "Sacred Music, Sacred Dance
The Multiphonic Monks of the Drepung Loseling Monastery" tomorrow
at 8:00 p.m. in Ramsey Auditorium. Tickets are $16.00 for adults.
Limited tickets available.
Fermilab Recreation Office Offers Discounted Tickets
for the Bristol Renaissance Faire
Discount Renaissance Fair Tickets are on sale in the Recreation Office
until August 27. The tickets are good until Labor Day.
The Bristol Renaissance Faire offers entertainment on 16 open-air stages,
50 food booths, and over 180 high quality arts and crafts shops.
The fair runs from July 10 - September 6, 2004 on Saturdays and Sundays and
Labor Day Monday from 10:00 a.m. until 7:00 p.m. (Rain or Shine). Discounted
tickets are $15.75 for adults and $7.50 for children age 5-12.
New Classified Ads Posted on Fermilab Today
New classified ads have been posted on Fermilab Today.
A permanent link to the classifieds is located in the bottom
left corner of Fermilab Today.
Free English Classes
NALWO-sponsored free English language classes for beginning and advanced
levels are Fridays at the Users Center from 9:30 a.m. to 11:00 a.m.