SLAC Today is
available online at:
http://today.slac.stanford.edu
In this issue:
Rare Minerals Illuminate 17,000-year Old Questions
Science Today: New Release of Lucretia Beam Dynamics Simulation Software
Toohig Fellowships in Accelerator Science
Photo: LCLS Walls Begin to Take Shape
Geant4 Workshop Comes to SLAC
Thursday - March 15, 2007 |
Rare Minerals Illuminate 17,000-year Old QuestionsScientists learned it straight from the bull's muzzle: cave painting shows evidence of ancient trade. In collaboration with French museums and research facilities, Stanford researchers have found evidence of scarce manganese oxide mineral exchange between prehistoric peoples of the French Pyrenees. The results of their study, concerning the mineral composition of the 17,000-year old "Great Bull of Lascaux" lithograph in Dordogne, France, were published in the November 2006 edition of the 13th International Conference on X-Ray Absorption Fine Structure. "This cave painting is among the world's oldest and most exquisite," said collaborator and Stanford Synchrotron Radiation Laboratory (SSRL) researcher and Faculty Chair Gordon Brown. "Archeologists have been concerned about the interpretation of this rock art and its pigments since it was discovered." Read more... |
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New Release of Lucretia Beam Dynamics Simulation SoftwareOn February 13, The SLAC International Linear Collider (ILC) Division released a new version of the Lucretia beam dynamics simulation package. In addition to a few bugfixes, the latest version has several new features: improvements to its tools for performing beamline layouts, so that users can now specify the coordinates of the end of a beamline rather than the beginning; tools for performing simple, fast estimates of the effect of synchrotron radiation on the beam parameters; and more convenient and effective tools for calculating the properties of a beam or a beamline. Lucretia is a Matlab-based simulation package for the study of single-pass electron beamlines such as linacs, bunch compressors, and final-focus systems. It combines the power of Matlab's mathematics, graphics, and scripting capabilities with core accelerator physics tools designed for the study of advanced electron accelerators such as the ILC. For more information see the Lucretia webpage. Toohig Fellowships in Accelerator ScienceHave a recent Ph.D. and are wondering what's next? Interested in particle acceleratorsand maybe have some experience in the field? Consider applying for a Toohig fellowship! These two-year fellowships are named in honor of the late Tim Toohig, an accelerator physicist and Jesuit priest. They were created for studies and activities concerning the LHC, soon to be commissioned at CERN, and are funded through LARP, the U.S. LHC Accelerator Research Program. For details, visit www.toohigfellowship.org or read the announcement. This is a prime opportunity for a recent Ph.D. to get involved with one of the most exciting particle accelerators being built. Please contact Uli Wienands with questions. |
Photo: LCLS Walls
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