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Monthly Newsletter | October 2023

Communications Announcements

Email CLASSE Communications with requests and updates at: [email protected]

CLASSE Communications Coffee Hour, the Friday following the newsletter we will have office hours. If there are things you would like to see in this newsletter, or if you have any communications support needs, please come talk with us! This month will be in PSB 301. Friday October 6, from 11:00 AM to 12:00 PM

Oops! We gave you the wrong link last month, if you wanted to watch the recording of Jared Maxson's talk A Vision for the Future Accelerator Complex at CHESS go to our Sharepoint site and scroll to the bottom to find our "Recorded Talks and Presentations."

🎃 Save the date: Halloween Party Potluck on Friday, October 27th, location TBD 🎃


Lake Source Cooling Brings Sustainability, Precision to Synchrotron

Wilson Laboratory has tapped into the university’s Lake Source Cooling (LSC) system, which draws cold water from the depths of Cayuga Lake to remove heat from the district chilled water loop that cools the majority of Cornell facilities. For Wilson Lab, this approach is not only more efficient and sustainable – it will bring greater precision to its experiments. LSC will also, for the first time, enable CHESS to operate year-round.

For decades, the Wilson Laboratory, home of Cornell's underground particle accelerator, has relied on four immense cooling towers that evaporate 10,000 gallons of water daily to reduce the temperature of the nearly 700 electromagnets that line a half-mile-long ring buried 40 feet below east campus. Those towers are now obsolete because the lab has tapped into the university’s Lake Source Cooling system, which draws cold water from the depths of Cayuga Lake to remove heat from the district chilled water loop that cools the majority of Cornell facilities.


Highlighting Our People

Nathan Sitaraman

Q: What is your day-to-day role?

A: Development of new preparation recipes for superconducting radio frequency surfaces.

Read Nathan's full interview here

Powerful X-ray laser ushers in

a new era of science

Cornell researchers contributed critical knowledge in the early days of the LCLS-II project, said Georg Hoffstaetter de Torquat, professor of physics in the College of Arts and Sciences and researcher in CLASSE. "Cornell built a superconducting linear accelerator that had very little energy loss," Hoffstaetter de Torquat said. "The knowledge and expertise gained from this component of the Cornell-BNL ERL Test Accelerator (CBETA) was used to reduce energy loss in the LCLS cavities and to improve the beam brightness."

Journal Clubs & Seminars


Journal Club

Accelerator Physics

Journal Club

Particle Theory


Physics Department Colloquiums

Lightyear Wavelength Gravitational Waves: Detection of a cosmic stochastic background with Pulsar Timing Arrays

Jim Cordes

October 16, 4:00-5:00 PM

Rockefeller 201

Theia: Illuminating Neutrinos

with a New Kind of Detector

Josh Klein_

October 23, 4:00-5:00 PM

Rockefeller 201

Safety Announcements

Stop! Collaborate and Listen

  • All personnel in CLASSE facilities have stop-work authority. If you see someone performing work that is perceived as unsafe, it is your obligation to ask they stop working until a resolution is found. Similarly, if someone asks you to stop your work out of a concern for safety, you are obligated to do so. Stop-work is particularly important when we have many contractors and facilities personnel accessing our buildings.

Making Radiation

  • After a three-month hiatus, CESR is back on and preparing for another CHESS run. Remember to wear your badge in controlled areas and obey all posted signage. Hot spots are expected in the tunnel during initial processing, and are always indicated by chalkboard signage updated before dropping interlocks.

Coming Soon: Wilson West

  • We are on-track for beneficial occupancy of the new experimental hall, formally known as Wilson West, in mid-November. Access protocols are in development for the big day. Until then, please either use the hillside path from the third-floor patio or, for heavy or awkward loads, coordinate with Rich Gallagher (or the acting facilities manager) for transport through the Wilson West building or via truck. 

Questions/comments/concerns/recommendations about safety? 

Contact the CLASSE Safety Director (Jim Shanks) or Safety Manager (Rigel Lochner). 


CLASSE Safety Handbook

CLASSE Safety Wiki

Recent Publications

Please send us your recent publications involving CLASSE!

Awards & Honors

David Muller

2023 John Cowley Medal winner

The Cowley Medal is the highest award of the 

International Federation of Societies for Microscopy and is only awarded once every 4 years. The medal is awarded in recognition of lifetime achievement to an international leader in the fields of diffraction physics or microscopy.

Ritchie Patterson

PI Grant winner for ACCELERATE

The Advancing sCientific exCELlence by Empowering Research in Accelerators Through Education (ACCELERATE) 

program is increasing the participation of scientists from minority groups – those that are underrepresented and marginalized in society – in accelerator research through a partnership between scientists at minority serving institutions and the Center for Bright Beams (CBB), an NSF Science and Technology Center.

Georg Hoffstaetter

PI Grant winner for machine learning funding opportunity

Artificial Intelligence and Machine Learning for Autonomous Optimization and Control of Accelerators and Detectors. Funding for Beam polarization increase in the BNL hadron injectors through physics-informed Bayesian Learning for application in the Relativistic Heavy Ion Collider (RHIC) and the Electron-Ion Collider (EIC).

New Hires

Careers at CLASSE

  • Zamir Heller-Algazi - Visiting Scientist Supervisor: Csaba Csaki
  • Mariano Sylvio Garcia - Senior Mechanical Research Engineer Supervisor: Tim O'Connel
  • Kevin Zhijian Jiang - CESR Intern Supervisor: Dragana Jusic


Schedule a tour of the Wilson Synchrotron Lab with our updated registration system.

Schedule a Tour


Follow our social media accounts below to see the latest updates around the labs.

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