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X-RAY RUNS: Apply for Beamtime

2017  Nov 1 - Dec 21

2018  Feb 7 - Apr 3
2018  Proposal/BTR deadline: 12/1/17

2018  Apr 11 - Jun 4
2018  Proposal/BTR deadline: 2/1/18

Issue No. 16
It's official. With an average temperature of 10.1F, February 2015 set the record for the coldest month in the past 122 years in Ithaca, NY.1 I consider that to somewhat of a dubious record. Indeed, the Ithaca visitor bureau encouraged visitors to their website2 to go to Key West, FL instead! In contrast, the intense x-ray beams powered by the Cornell Compact Undulators (CCUs) and CHESS's broad band-pass optics are heating up the science users are performing. Real-time studies of thin-film growth, bio-SAXS, high dynamic range diffraction, two-color X-ray Emission Spectroscopy (XES), XRF imaging, and high energy studies of engineering materials under load are all benefiting tremendously from new sources, optics, or hutch equipment. The pace of change is not abating. Stay tuned in future months to keep abreast of all the exciting developments.

CHESS prepared a brief video for the March Meeting of the American Physical Society. It is a great introduction to the facility and is available on YouTube.3 Please encourage potential users and colleagues to take a look.




March 4 - April 7

May 27 - July 14
Beamtime Requests due 4/15/15

October 7 - December 8




June 9 - 10 




Click here for more info 

Rickettsia bacteria co-opt the filament assembly mechanism that normally allows a host cell to move and control its shape. Now we know more about the protein which is key to this process... more »
Longtime CHESS user Karin E. Limburg has been bringing challenging problems in marine biology to CHESS for many years. One of her research specialties is using elemental maps of fish ear stones, called otoliths... more »
Araceli Gutiérrez-Llorente, a visiting scientist from Universidad Rey Juan Carlos and a team of researchers from the energy materials center at Cornell and CHESS, have produced the first-ever epitaxial Bi2Pt2O7 thin-films... more »
Over the past half-dozen years CHESS has pioneered the development of video-based beam position monitors (VBPMs)... more »
Designing or exploring new materials is all about controlling their properties. In a new study, Cornell scientists offer insight on how different "knobs" can change material properties in ways that were previously unexplored or misunderstood... more »
Last fall, 4th and 5th graders at Beverly J. Martin Elementary School stretched their minds with engineering and design, finishing each academic week with a high-engagement science experience offered by Xraise Cornell... more »
LAB NOTES: March 2015

Please excuse our construction. The ERL (Energy Recovery Linac) is moving, currently located in the hallway between C-line and F-lines; it is being disassembled and moved to another area of the building where a short return loop is being built for testing.  Please watch for forklifts and other movement in the first floor loading dock area and stay in designated areas as clearly marked with signage.  While visiting we would be glad to provide your group with a tour of the new planned ERL area and describe how research is advancing here at the lab.  Inquire at the User Office or with a CHESS Operator.


Just a reminder:  The CHESS Users office will be issuing all radiation badges to CHESS users, Monday through Friday from 8 am to 4:30 pm. When you arrive at CHESS for beamtime please go directly to the CHESS Users office located on the 2nd floor Wilson lab to be badged (follow the signs for CHESS Reception). For users arriving after these hours or on the weekends, please go to CHESS Ops for check-in and badging.  CHESS ops is located on the first floor of Wilson Lab.  

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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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