Jared Maxson
Associate Professor
Publications
C.T. Parzyck, A. Galdi, J.K. Nangoi, W.J.I. DeBenedetti, J. Balajka, B.D. Faeth, H. Paik, C. Hu, T.A. Arias, M.A. Hines, D.G. Schlom, K.M. Shen, J.M. Maxson, "Single-Crystal Alkali Antimonide Photocathodes: High Efficiency in the Ultrathin Limit," Physical Review Letters 128 (11), 114801 (2022).
W.H. Li, C.J.R. Duncan, M.B. Andorf, A.C. Bartnik, E. Bianco, L. Cultrera, A. Galdi, M. Gordon, M. Kaemingk, C.A. Pennington, L.F. Kourkoutis, I.V. Bazarov, J.M. Maxson, "A kiloelectron-volt ultrafast electron micro-diffraction apparatus using low emittance semiconductor photocathodes," Structural Dynamics 9 (2), 024302 (2022).
Alice Galdi, Jan Balajka, William J.I. DeBenedetti, Luca Cultrera, Ivan V. Bazarov, Melissa A. Hines, Jared M. Maxson, "Reduction of surface roughness emittance of Cs3Sb photocathodes grown via codeposition on single crystal substrates," Applied Physics Letters 118 (24), 244101 (2021).
J. Maxson, D. Cesar, G. Calmasini, A. Ody, P. Musumeci, D. Alesini, “Direct measurement of sub-10 fs relativistic electron beams with ultralow emittance,” Physical Review Letters 118 (15), 154802 (2017).
Education
B.S., 2009, Lehigh University. PhD, 2015, Cornell University. Postdoctoral Scholar, University of California Los Angeles, 2015-2017. Assistant Professor, Cornell University, 2017-present.
Departments and programs
David Rubin
Boyce D. McDaniel Emeritus Professor of Physics
Publications
S. Poprocki , J.A. Crittenden , S.N. Hearth , J.D. Perrin , D. L. Rubin , S. Wang, “Incoherent Vertical Emittance Growth from Electron Cloud at CesrTA,” in IPAC2016: Proceedings of the 7th International Particle Accelerator Conference, Busan, Korea, 2016, Paper TUPOR021, PDF (IPAC 2016 Pre-Press Proceedings)
S. Wang , R. Holtzapple, “Single-shot Bunch-by-Bunch Horizontal Beam Size Measurements using a Gated Camera at CesrTA,” in IPAC2016: Proceedings of the 7th International Particle Accelerator Conference, Busan, Korea, 2016, Paper MOPMR052, PDF (IPAC 2016 Pre-Press Proceedings)
S.T. Wang , R. Holtzapple , D.L. Rubin, “Single-shot beam size measurements using visible-light interferometry at CESR,” Nucl. Instrum. Methods Phys. Res. A847, March 2017, p. 34-41. Article (Science Direct)
W.F. Bergan , A.C. Bartnik , I.V. Bazarov , H. He , D. L. Rubin , J.P. Sethna, “Minimization of Emittance at the Cornell Electron Storage Ring With Sloppy Models,” in NAPAC2016: Proceedings of the North American Particle Accelerator Conference, Chicago, IL, 2016, Paper TUPOA58, PDF (NAPAC 2016 Pre-Press Proceedings)
Education
B.A., 1976, University of Pennsylvania. Ph.D., 1983, University of Michigan. Research Associate, Laboratory of Nuclear Studies, Cornell University, 1983-86; Assistant Professor, Physics, Cornell University, 1986-92; Associate Professor, Physics, Cornell University, 1992-98; Professor, Physics, Cornell University, 1998-2000. Boyce D. McDaniel Professor of Physics, 2000-present. Fellow, American Physical Society. Acting Director of LEPP, 2010-2011. Director of LEPP, 2011-2015. Board of Governors, United States Particle Accelerator School, 1998; Program Committee, US Particle Accelerator School, 1999. PEPII Machine Advisory Committee, 2003. Brookhaven Science Associates Science and Technology Steering Committee, 2004. Accelerator Systems Advisory Committee NSLS II, 2006.
Departments and programs
Links
Matthias Liepe
Professor
Publications
- The importance of the electron mean free path for superconducting radio-frequency cavities, J. Maniscalco, D. Gonnella, M. Liepe, Journal of Applied Physics 121, 043910, (2017). http://dx.doi.org/10.1063/1.4974909
- Theoretical estimates of maximum fields in superconducting resonant radio frequency cavities: stability theory, disorder, and laminates, D. B Liarte, S. Posen, M. K Transtrum, G. Catelani, M. Liepe and J. P Sethna, Superconductor Science and Technology, Volume 30, Number 3, 033002, (2017). http://stacks.iop.org/0953-2048/30/i=3/a=033002
-
Impact of nitrogen doping of niobium superconducting cavities on the sensitivity of surface resistance to trapped magnetic flux, D. Gonnella, J. Kaufman and M. Liepe, J. Appl. Phys. 119, 073904 (2016). http://dx.doi.org/10.1063/1.4941944
-
Shielding Superconductors with Thin Films as Applied to rf Cavities for Particle Accelerators, S. Posen, M. K. Transtrum, G. Catelani, M. Liepe, and J. P. Sethna, Phys. Rev. Applied 4, 044019 (2015). http://dx.doi.org/10.1103/PhysRevApplied.4.044019
-
Radio Frequency Magnetic Field Limits of Nb and Nb3Sn, S. Posen, N. Valles, and M. Liepe, Phys. Rev. Lett. 115, 047001 (2015). http://dx.doi.org/10.1103/PhysRevLett.115.047001
-
Proof-of-principle demonstration of Nb3Sn superconducting RF cavities for high Q0 applications, S. Posen, M. Liepe. D. Hall, Applied Physics Letters 106, Issue 8 (2015). http://dx.doi.org/10.1063/1.4913247
-
Analysis of Nb3Sn surface layers for superconducting RF cavity applications, C. Becker, S. Posen, N. Groll, R. Cook, C. M. Schlepuetz, D. Hall, M. Liepe, M. Pellin, J. Zasadzsinski, and T. Proslier, Applied Physics Letters 106, Issue 8 (2015). http://dx.doi.org/10.1063/1.4913617
-
Nitrogen-doped 9-cell cavity performance in a test cryomodule for LCLS-II, D. Gonnella, R. Eichhorn, F. Furuta, M. Ge, D. Hall, V. Ho, G. Hoffstaetter, M. Liepe, T. O'Connell, S. Posen, P. Quigley, J. Sears, V. Veshcherevich, A. Grassellino, A. Romanenko and D. A. Sergatskov, J. Appl. Phys. 117 , 023908 (2015). http://dx.doi.org/10.1063/1.4905681
-
Advances in development of Nb3Sn superconducting radio-frequency cavities, S. Posen and M. Liepe, Phys. Rev. ST Accel. Beams 15, 112001 (2014). http://journals.aps.org/prstab/abstract/10.1103/PhysRevSTAB.17.112001
-
The main linac cavity for Cornell's energy recovery linac: Cavity design through horizontal cryomodule prototype test, N. Valles, M. Liepe, F. Furuta, M. Gi, D. Gonnella, Y. He, K. Ho, G. Hoffstaetter, D.S. Klein, T. O'Connell, S. Posen, P. Quigley, J. Sears, G.Q. Stedman, M. Tigner, V. Veshcherevich, Nuclear Instruments Methods in Physics Research A (2013), http://dx.doi.org/10.1016/j.nima.2013.07.021
-
Record high-average current from a high-brightness photoinjector, B. Dunham, J. Barley, A. Bartnik, I. Bazarov, L. Cultrera, J. Dobbins, G. Hoffstaetter, B. Johnson, R. Kaplan, S. Karkare, V. Kostroun, Y. Li, M. Liepe, X. Liu, F. Loehl, J. Maxson, P. Quigley, J. Reilly, D. Rice, D. Sabol, E. Smith, K. Smolenski, M. Tigner, V. Vesherevich, D. Widger, and Z. Zhao, Appl. Phys. Lett. 102, 034105 (2013). http://link.aip.org/link/doi/10.1063/1.4789395
-
Mechanical optimization of superconducting cavities in continuous wave operation, S. Posen and M. Liepe, Phys. Rev. ST Accel. Beams (2012). http://prst-ab.aps.org/abstract/PRSTAB/v15/i2/e022002
Education
Diplom, 1998, University of Hamburg, Germany. Visiting Scientist, Cornell University, 1998-1999. Ph.D., 2001, University of Hamburg, Germany. Research Assistant, Deutsches Elektronen Synchrotron, DESY, Germany, 1998-2001. Research Associate, Cornell University 2001-2006. Assistant Professor, Cornell University, 2006-2013. Alfred P. Sloan Research Fellow, 2008-2012. Associate Professor, Cornell University, 2013-2018. Professor, Cornell University, 2018-present. Graduate and Professional Student Assembly (GPSA) Faculty Award, 2015. Cornell Superconducting RF Group Leader, 2016-present.
Departments and programs
Links
Georg Hoffstaetter de Torquat
Professor
Education
Diplom, 1991, Darmstadt University of Technology, Germany. M.S., 1992, and Ph.D., 1994, as NSCL Fellow and Natural Science Fellow, Michigan State University. Dr. habil. (doctor habilitatus), 2000, Darmstadt University of Technology. Research Associate, Deutsches Elektornen-Synchrotron (DESY), Hamburg, Germany, 1994-1996. Faculty, Darmstadt University of Technology, 1996-1998. Accelerator Physicist, DESY, 1998-2002. Associate Professor, Cornell University, 2002-2008. Professor, Cornell University, 2008-present, Joint Appointment with Brookhaven National Lab 2021-present. Fellow, German National Merrit Foundation. Fellow, American Physical Society.
Departments and programs
Links
Donald Hartill
Professor Emeritus
Publications
SSC Control System
D. Hartill, Proceedings of Europhysics Conference on Control Systems for Experimental Physics, Sept. 28 – Oct. 2, 1987 Villars-sur-Ollon, Switzerland, ed. B. Kuiper, CERN, Geneva, Switzerland, CERN Pub. CERN 90-08 pg. 8
sMuon Lifetime Experiment
D. Hartill, Proceedings of the III ICFA School on Instrumentation in Elementary Particle Physics, Rio de Janeiro, Brazil 16-28 July 1990, Edited with J. C. Anjos, F. Sauli, and M. Sheaff – World Scientific
The CESR Magnet Power Supply System
D. Hartill and D. Rice, IEEE NS-26 4078 (1979)
Running CESR at High Luminosity and Beam Current with Superconducting RF System
CESR RF Operations Group, S. Belomestnykh et al., Proceedings of the 7th European Particle Accelerator Conference, Vienna, Austria, 26-30 June, 2000
Observation of B 0→D0π0 and B̅ 0→D*0π0
T. E. Coan et al., (CLEO Collaboration), Phys. Rev. Lett., 88, 062001 (2002)
Education
B.Sc., 1961, Massachusetts Institute of Technology. Ph.D., 1967, California Institute of Technology. Research Associate, CERN, 1967-68. Assistant Professor, Physics, Cornell University, 1968-74. Associate Professor, Physics, Cornell University, 1974-80. Professor, Physics, Cornell University, 1980-2016. Visiting appointments include: Stanford Linear Accelerator Center; Osservatoria Astrofisico di Arcetri, Florence Italy; SSC Central Design Group, LBL. Alfred P. Sloan Fellow, 1971-74. Fellow, American Physical Society. Fellow, American Association for the Advancement of Science.
Departments and programs
Ivan Bazarov
Professor
Publications
HERACLES: A high-voltage DC test beamline for high average current photocathodes
Matthew Andorf, Jai Kwan Bae, Adam Bartnik, Luca Cultrera, Jared Maxson, and Ivan Bazarov
Nuclear Instruments and Methods in Physics Research Section A 1052 (2023) 168240
Operation of Cs-Sb-O activated GaAs in a high voltage DC electron gun at high average current
Jai Kwan Bae, Matthew Andorf, Adam Bartnik, Alice Galdi, Luca Cultrera, Jared Maxson, and Ivan Bazarov
AIP Advances 12 (2022) 095017
Experimental Characterization of Photoemission from Plasmonic Nanogroove Arrays
Christopher M. Pierce, Daniel B. Durham, Fabrizio Riminucci, Scott Dhuey, Ivan Bazarov, Jared Maxson, Andrew M. Minor, and Daniele Filippetto
Physical Review Applied 19 (2023) 034034
Education
M.S., 1998, Moscow Institute of Physics and Technology, Far Eastern State University, Russia. Ph.D., 2000, Far Eastern State University, Russia. Research Associate, Cornell Laboratory for Accelerator-based Sciences and Education & Cornell High Energy Synchrotron Source, 2000-2007; Assistant Professor, Physics, 2007-2013; Associate Professor, Physics, 2013-2019. Professor, Physics, 2019-present. 2010 DOE Early Career Award; 2015 IEEE Particle Accelerator Science and Technology Award.