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Issue No. 18
2015.05.15

FROM THE DIRECTOR


CHESS has been a very busy place during the April down period.  The A2 upgrade was completed, giving the A2 station both "white" and "blue" beam capabilities. Users are encouraged to imagine new experiments using these intense beams. Contact Jacob Ruff for detailed information and discussions. Also during the April down, the ERL photoinjector was moved from L0 to the L0 East experimental area to test the main linac cryomodule (MLC) later this year. See the article this month about the adventure moving such a large MLC to Wilson lab. We hope that eventually an ERL return loop will be constructed in this space. An important byproduct of the move was creating additional space for an F-line expansion which will be completed in the summer of 2016. Details will be covered at next month's users' meeting.  Hope to see you all there.  
Synchrotron laboratory welcomes new particle accelerator module
Last month, the basement of Newman Laboratory opened to transport a distinctive red pipe containing the Main Linac Cryomodule - a prototype designed to accelerate particles with unparalleled energy efficiency - across campus... more »
Hands-on x-ray emission workshop at Cornell in June 2015
Inner-shell x-ray emission (XES) and absorption (XAS) spectroscopies are complimentary methods. The first senses valence state structure of atoms in molecules and complexes, the second reports on lowest lying unoccupied states... more »
Colorado School of Mines student Bucsek wins prestigious NSF graduate fellowship
CHESS veteran Ashley Bucsek, a graduate student from the Colorado School of Mines, won a 2015 NSF Graduate Research Fellowship for her thesis work... more »
X-rays get handle on very long time scale glassy behavior
In a recent ACS MacroLetters article Yu Ho Wen, Jennifer Schaefer, and Lynden Archer from the Cornell School of Chemical and Biomolecular Engineering report on a systematic study using small-angle x-ray scattering at CHESS to... more »
Unwrapping DNA from nucleosomes
For DNA to work, it must be accessible to cellular machinery, which means that it must be unwrapped from the nucleosome where it is stored. A study using BioSAXS investigates the role of histone proteins in the nucleosome core in controlling unwrapping... more »
GIAC students tear it up at Xraise
Anyone who has and peered inside a disassembled laptop computer knows there are a lot of electronic components packed inside the case.  Most of us have never purposely removed the innards of any computer just to see what pieces... more »
The Cornell High Energy Synchrotron Source (CHESS), a national user facility, is supported by the National Science Foundation and the National Institutes of Health/National Institute of General Medical Sciences under NSF award DMR-1332208. CHESS is operated and managed for the National Science Foundation by Cornell University.
 
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