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In this issue:
FACET Workshop Welcomes Potential Research Users
Reminder: Laboratory Directed Research and Development Proposals Due April 15
Special Colloquium Today: The Physics and Technology of High-Power Hadron Accelerators
Colloquium Today: Environmental Consequences of Increasing Atmospheric CO2—Beyond Global Warming

SLAC Today

Monday - March 22, 2010

FACET Workshop Welcomes Potential Research Users

(Photo - FACET workshop)
SLAC head of Accelerator Research Tor Raubenheimer addresses attendees of the FACET Users Workshop. (Photo by Julie Karceski.)

A group of accelerator physicists came to SLAC last week for the Facilities for Accelerator Science and Experimental Test Beams Users Workshop, to get a head start on future research opportunities. With FACET construction anticipated to wrap up next year, around 40 scientists got together at SLAC on March 18 and 19 to hear about the facility's potential and explore potential research projects. They also learned about requirements for using FACET's state-of-the-art accelerator test beam.

"This beam is going to be unique and will offer new scientific opportunities," said SLAC head of Accelerator Research Tor Raubenheimer during the opening remarks, listing studies of plasma and dielectric wakefield acceleration, material properties in extreme conditions and novel radiation sources as potential research areas. The workshop offered four different scientific presentations on these topics, in addition to talks on planned FACET services and safety as well as group discussions.  Read more...

Reminder: Laboratory Directed Research and Development Proposals Due April 15

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Less than four weeks remain to finalize project proposals for the 2010 Laboratory Directed Research and Development program. Researchers in all mission-oriented directorates are invited to work with their associate laboratory directors and business planners develop project and budget proposals. Completed proposals must be submitted by the ALDs to LDRD Program Manager Stephen Williams no later than April 15 for consideration in the 2010 LDRD review process. See the LDRD Web site and 2010 Call for Proposals for proposal guidelines and examples of previous-year projects.

Special Colloquium Today: The Physics and Technology of High-Power Hadron Accelerators

High-intensity, high-power hadron accelerators are essential tools in a broad range of scientific fields; from fundamental research in materials science, particle physics and nuclear physics, to the production of radioisotopes for medical applications. Today from 12:30 to 1:30 p.m. in Panofsky Auditorium, Research Accelerator Division Director Stuart Henderson of Oak Ridge National Laboratory will present a special colloquium addressing essential developments and challenges in high-intensity beam dynamics and high-power technologies, the present state-of-the-art, and provide examples of the limits of present understanding.

The event is free and open to all.

Colloquium Today: Environmental Consequences of Increasing Atmospheric CO2—Beyond Global Warming

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Currently, humans are releasing about 1000 metric tons of carbon dioxide into the atmosphere every second through the burning of fossil fuels and deforestation. About half of man-made carbon dioxide emissions is absorbed by the ocean and land, and the remaining half stays in the atmosphere. It is well-known that increasing atmospheric CO2 concentrations cause global warming through the greenhouse effect. It is probably less well-known that the increased burden of carbon dioxide in the ocean and land also has profound effects on marine and terrestrial systems. In today's talk, global ecology researcher Long Cao will first give a background introduction of the earth climate system, the global carbon cycle, and climate and earth system modeling. Then, from an earth system modeling perspective, he will discuss some recent research findings related to the environmental effects of anthropogenic CO2 emissions. Lastly, he will discuss the long lasting climatic impact from the burning of fossil fuels.

Cao is a research scientist in the laboratory of Ken Caldeira, Department of Global Ecology, Carnegie Institution, located on the Stanford University campus. The Department of Global Ecology conducts basic research on the interactions among the earth's ecosystems, land, atmosphere and oceans, with a goal to understand the ways these interactions shape the behavior of the earth system, including its responses to future changes.

The colloquium will begin at 4:15 p.m. today in Panofsky Auditorium. The event is free and open to all.

Next Monday, Stanford University Associate Professor of Electrical Engineering Shanhui Fan will discuss solar thermal–photovoltaic devices.

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