Selected Publications

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Atomic scale analysis of Nb3Sn on Nb prepared by a vapor-diffusion process for superconducting radiofrequency cavity applications

J. Lee, S. Posen, Z. Mao, Y. Trenikhina, K. He, D.L. Hall, M. Liepe, and D.N Seidman
Peer-Reviewed Journal Articles Supercond. Sci. Technol. 32, 024001 (2019).

Frequency dependence of trapped flux sensitivity in SRF cavities

M. Checchin, M. Martinello, A. Grassellino, S. Aderhold, S.K. Chandrasekaran, O.S. Melnychuk, S. Posen, A. Romanenko, and D.A. Sergatskov
Peer-Reviewed Journal Articles Appl. Phys. Lett. 112, 072601 (2018).

Field-Enhanced Superconductivity in High-Frequency Niobium Accelerating Cavities

M. Martinello, M. Checchin, A. Romanenko, A. Grassellino, S. Aderhold, S. K. Chandrasekeran, O. Melnychuk, S. Posenand D. A. Sergatskov
Peer-Reviewed Journal Articles Phys. Rev. Lett. 121, 224801 (2018).

Industrialization of the nitrogen-doping preparation for SRF cavities for LCLS-II

D. Gonnella, S. Aderhold, A. Burrill, E. Daly, K. Davis, A. Grassellino, C. Grimm, T. Khabiboulline, F. Marhauser, O.S. Melnychuk, A. Palczewski, S. Posen, M.C. Ross, A. Sukhanov, Y. Trenikhina, and K.M. Wilson
Peer-Reviewed Journal Articles Nuclear Inst. Meth. A, 883, 143-150 (2018).

Nb3Sn superconducting radiofrequency cavities: fabrication, results, properties, and prospects

S. Posen and D.L. Hall
Peer-Reviewed Journal Articles Supercond. Sci. Technol., 30 033004 (2017).

Performance-defining properties of Nb3Sn coating in SRF cavities

Y. Trenikhina, S. Posen, A. Romanenko, M. Sardela, J.-M. Zuo, D. L. Hall and M. Liepe
Peer-Reviewed Journal Articles Supercond. Sci. Technol., 31 015004 (2017).

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
Peer-Reviewed Journal Articles Supercond. Sci. Technol., 30 033002 (2017).

Unprecedented quality factors at accelerating gradients up to 45 MV/m in niobium superconducting resonators via low temperature nitrogen infusion

A. Grassellino, A. Romanenko, Y. Trenikhina, M. Checchin, M. Martinello, O.S. Melnychuk, S.K. Chandrasekaran, D.A. Sergatskov, S. Posen, A.C. Crawford, S. Aderhold, and D. Bice
Peer-Reviewed Journal Articles Supercond. Sci. Technol., 30, 094004 (2017).

Efficient expulsion of magnetic flux in superconducting radiofrequency cavities for high Q0 applications

S. Posen, M. Checchin, A.C. Crawford, A. Grassellino, M. Martinello, O.S. Melnychuk, A. Romanenko, D.A. Sergatskov, and Y. Trenikhina
Peer-Reviewed Journal Articles Jour. App. Phys. 119, 213903 (2016).

Effect of interstitial impurities on the field dependent microwave surface resistance of niobium

M. Martinello, A. Grassellino, M. Checchin, A. Romanenko, O.S. Melnychuk, D.A. Sergatskov, S. Posen, J.F. Zasadzinski
Peer-Reviewed Journal Articles Appl. Phys. Lett. 109, 062601 (2016).

Quench-Induced Degradation of the Quality Factor in Superconducting Resonators

M. Checchin, M. Martinello, A. Romanenko, A. Grassellino, D. A. Sergatskov, S. Posen, O. Melnychuk, and J. F. Zasadzinski
Peer-Reviewed Journal Articles Phys. Rev. Applied 5, 044019 (2016).

Radio Frequency Magnetic Field Limits of Nb and Nb3Sn

S. Posen, N. Valles, and M. Liepe
Peer-Reviewed Journal Articles Phys. Rev. Lett. 115, 047001 (2015).

Shielding Superconductors with Thin Films as Applied to rf Cavities for Particle Accelerators

S. Posen, M. K. Transtrum, G. Catelani, M. U. Liepe, and J. P. Sethna
Peer-Reviewed Journal Articles Phys. Rev. Applied 4, 044019 (2015).

Proof-of-principle demonstration of Nb3Sn superconducting radiofrequency cavities for high Q0 applications

S. Posen, M. Liepe, and D. L. Hall
Peer-Reviewed Journal Articles Appl. Phys. Lett. 106, 082601 (2015).

Analysis of Nb3Sn surface layers for superconducting radio frequency cavity applications

C. Becker, S. Posen, N. Groll, R. Cook, C. M. Schlepütz, D. L. Hall, M. Liepe, M. Pellin, J, Zasadzinski and T. Proslier
Peer-Reviewed Journal Articles Appl. Phys. Lett. 106, 082602 (2015).

Advances in development of Nb3Sn superconducting radio-frequency cavities

S. Posen and M. Liepe
Peer-Reviewed Journal Articles Phys. Rev. ST Accel. Beams 15, 112001 (2014).

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
Peer-Reviewed Journal Articles Nuclear Instruments and Methods in Physics Research Section A, 734, pp. 23-31 (2014).

Mechanical optimization of superconducting cavities in continuous wave operation

S. Posen and M. Liepe
Peer-Reviewed Journal Articles Phys. Rev. ST Accel. Beams 15, 022002 (2012).

Review of Magnetic Flux Expulsion

S. Posen
Invited TalksTTC/ARIES Topical Workshop on Magnetic Flux 2018, CERN, Geneva, Switzerland.

Update on Experimental Study of Flux Expulsion and Cold Work

S. Posen
Invited TalksTTC/ARIES Topical Workshop on Magnetic Flux 2018, CERN, Geneva, Switzerland.

LCLS-II Cryomodule Expulsion

S. Posen
Invited TalksTTC/ARIES Topical Workshop on Magnetic Flux 2018, CERN, Geneva, Switzerland.

Accelerator Summary

S. Posen
Invited TalksLinear Collider Workshop 2018, Arlington, TX, USA.

Nb3Sn R&D at Fermilab

S. Posen
Invited TalksLinear Collider Workshop 2018, Arlington, TX, USA.

Nb3Sn SRF Films: Connecting Microstructure to Performance

S. Posen
Invited TalksMichigan State University Nuclear Science Seminar.

Nb3Sn Results from FNAL

S. Posen
Invited TalksTeSLA Technology Collaboration Meeting 2018, Tokyo, Japan.

Experimental Study of Flux Expulsion and Cold Work

S. Posen
Invited TalksTeSLA Technology Collaboration Meeting 2018, Tokyo, Japan.

High Q/high gradient update from Fermilab

S. Posen
Invited TalksAsian Linear Collider Workshop 2018, Fukuoka, Japan.

Industry-Research Institution Collaboration in the United States

S. Posen
Invited TalksAsian Linear Collider Workshop 2018, Fukuoka, Japan.

Fundamental Studies of Flux Trapping

S. Posen
Invited TalksTeSLA Technology Collaboration Meeting 2018, Milan, Italy.

Particle Acceleration at 4K for Applications in Science and Industry

S. Posen
Invited TalksDepartment of Physics Colloquium, Illinois Institute of Technology, 2018.

Magnetic Flux Expulsion Studies on Niobium

S. Posen
Invited TalksInternational Conference on RF Superconductivity 2017, Lanzhou, China.

Future of Superconducting RF Technology

S. Posen
Invited TalksAmericas Workshop on Linear Colliders 2017, Menlo Park, CA, USA.

State-of-the-Art Superconducting RF Technology for Accelerators

S. Posen
Invited TalksFermilab General Colloquium February 15, 2017, Batavia, IL, USA.

On Variability in Flux Trapping

S. Posen
Invited TalksTeSLA Technology Collaboration Meeting 2017, Lansing, MI, USA.

Saving Megawatts in a Micron: Tailoring the Surfaces of Superconducting RF Cavities

S. Posen
Invited TalksAnnual American Vacuum Society International Symposium and Exhibition 2016, Nashville, TN, USA.

Flux expulsion efficiency for different cavity materials and treatments

S. Posen
Invited TalksTeSLA Technology Collaboration Meeting 2015, Menlo Park, CA, USA.

SRF Development at FNAL

S. Posen
Invited TalksPASI Workshop 2015, Chicago, IL, USA.

Nb3Sn Present Status and Potential as an Alternative SRF Material

S. Posen and M. Liepe
Invited TalksLinear Accelerator Conference 2014, Geneva, Switzerland.

SRF Cavities Beyond Niobium: Potential and Challenges

S. Posen and M. Liepe
Invited Talks North American Particle Accelerator Conference 2013, Pasadena, CA, USA.

Theoretical Field Limits for Multi-Layer Superconductors

S. Posen, M. Liepe, J. Sethna, G. Catelani, M. Transtrum
Invited Talks SRF Conference 2013, Paris, France.

Potential of N-doping and Nb3Sn for Future Circular Collider

S. Posen
Contributed TalksFCC Week 2017, Berlin, Germany.

Nb3Sn Film Coated Superconducting RF Cavities

S. Posen
Contributed TalksInternational Particle Accelerator Conference 2016, Busan, Korea (Award talk).

Magnetic Field Limits of Superconducting RF Cavities

S. Posen
Contributed TalksWorkshop on Microwave Cavity Design for Axion Detection, 2015, Livermore, CA, USA.

First Cavity Results from the Cornell SRF Group's Nb3Sn Program

S. Posen and M. Liepe
Contributed Talks North American Particle Accelerator Conference 2013, Pasadena, CA, USA.

Update on the Development of Coated Cavities

S. Posen and M. Liepe
Contributed Talks Linear Collider Workshop 2013, Hamburg, Germany.

First Single Cell Cavity Fabricated in Cornell's Nb3Sn Program

S. Posen and M. Liepe
Contributed Talks Tesla Technology Collaboration Meeting 2012, Newport News, VA, USA.

The Closing Quasiparticle Spectral Gap and its Implications for Nb3Sn

S. Posen, M. Liepe, and J. P. Sethna
Contributed Talks SRF Materials Workshop 2012, Newport News, VA, USA.

Cornell SRF New Materials Program: Nb3Sn Development

S. Posen and M. Liepe
Contributed Talks TESLA Technology Collaboration Meeting 2011, Beijing, China (remote presentation).

Stoichiometric Nb3Sn in First Samples Coated at Cornell

S. Posen and M. Liepe
Contributed Talks SRF Conference 2011, Chicago, IL, USA (Award talk).

Simulations in ANSYS

S. Posen and M. Liepe
Contributed Talks International Higher Order Mode (HOM) Workshop 2010, Ithaca, NY, USA.

Nb3Sn Fabrication and Sample Characterization at Cornell

S. Posen and M. Liepe
Contributed Talks International Thin Films and New Ideas for SRF Workshop 2010, Padua, Italy.

Design of a Neutral Beam Injector for STOR-U

S. Posen
Contributed Talks Canadian Association of Physicists Congress 2009, Moncton, New Brunswick.

Development of Nb3Sn Coatings for Superconducting RF Cavities at Fermilab

S. Posen, S.K. Chandrasekaran, O. S. Melnychuk, D. A. Sergatskov, B. Tennis, Y. Trenikhina
Conference Proceedings International Particle Accelerator Conference 2018, Vancouver, Canada.

Anti-Q-slope enhancement in high-frequency niobium cavities

M. Martinello, S. Aderhold, S.K. Chandrasekaran, M. Checchin, A. Grassellino, O. S. Melnychuk, S. Posen, A. Romanenko, D. A. Sergatskov
Conference Proceedings International Particle Accelerator Conference 2018, Vancouver, Canada.

New Insight on Nitrogen Infusion Revealed by Successive Nanometric Material Removal

M. Checchin, M. Martinello, O. S. Melnychuk, D. A. Sergatskov, S. Posen, A. Grassellino, A. Romanenko
Conference Proceedings International Particle Accelerator Conference 2018, Vancouver, Canada.

Advancement in the Understanding of the Field and Frequency Dependent Microwave Surface Resistance of Niobium

M. Martinello, S. Aderhold, S.K. Chandrasekaran, M. Checchin, A. Grassellino, O. S. Melnychuk, S. Posen, A. Romanenko, D. A. Sergatskov
Conference Proceedings International Conference on RF Superconductivity 2017, Lanzhou, China.

RF Performance of Nitrogen-Doped Production SRF Cavities for LCLS-II

D. Gonnella, A. Burrill, M.C. Ross, S. Aderhold, A. Grassellino, C.J. Grimm, T.N. Khabiboulline, O.S. Melnychuk, S. Posen, D.A. Sergatskov, E. Daly, G.K. Davis, F. Marhauser, K.M. Wilson
Conference Proceedings International Particle Accelerator Conference 2017, Copenhagen, Denmark.

Ultimate Gradient Limitation in Niobium Superconducting Accelerating Cavities

M. Checchin, A. Grassellino, M. Martinello, S. Posen, A. Romanenko, J. Zasadzinski
Conference Proceedings International Particle Accelerator Conference 2016, Busan, S. Korea.

Tailoring Surface Impurity Content to Maximize Q-factors of Superconducting Resonators

M. Martinello, M. Checchin, A. Grassellino, O.S. Melnychuk, S. Posen, A. Romanenko, D.A. Sergatskov, J. Zasadzinski
Conference Proceedings International Particle Accelerator Conference 2016, Busan, S. Korea.

Flux Expulsion Variation in SRF Cavities

S. Posen, M. Checchin, A.C. Crawford, A. Grassellino, M. Martinello, O.S. Melnychuk, A. Romanenko, D.A. Sergatskov
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Fermilab Nb3Sn R&D Program

S. Posen, M. Merio, A. Romanenko, Y. Trenikhina
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Cutout Study of a Nb3Sn Cavity

S. Posen, O.S. Melnychuk, A. Romanenko, D.A. Sergatskov, Y. Trenikhina, D.L. Hall, M. Liepe
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Nb3Sn Cavities: Material Characterization and Coating Process Optimization

D.L. Hall, T. Gruber, J.J. Kaufman, M. Liepe, J.T. Maniscalco, S. Posen, B. Yu, T. Proslier
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Testing Nb3Sn Coating Using muSR

R.E. Laxdal, T.J. Buck, S. Gheidi, R. Kiefl, M. Liepe, S. Posen
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Performance of the Cornell ERL Main Linac Prototype Cryomodule

F. Furuta, B. Clasby, R.G. Eichhorn, B. Elmore, G.M. Ge, D. Gonnella, D.L. Hall, G.H. Hoffstaetter, R.P.K. Kaplan, J.J. Kaufman, M. Liepe, J.T. Maniscalco, T.I. O'Connel, S. Posen, P. Quigley, D.M. Sabol, J. Sears, E.N. Smith, V. Veshcherevich
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Trapped Flux Surface Resistance Analysis for Different Surface Treatments

M. Martinello, M. Checchin, A. Grassellino, O.S. Melnychuk, S. Posen, A. Romanenko, D.A. Sergatskov, J. Zasadzinski
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

Characterization of Nb3Sn Coated Nb Samples

Y. Trenikhina, S. Posen, A. Romanenko, D.L. Hall, M. Liepe
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

SRF, Compact Accelerators for Industry and Society

R.D. Kephart, B.E. Chase, I.V. Gonin, A. Grassellino, S. Kazakov, T.N. Khabiboulline, S. Nagaitsev, R.J. Pasquinelli, S. Posen, O.V. Pronitchev, A. Romanenko, V.P. Yakovlev, S. Biedron, S.V. Milton, N. Sipahi, S. Chattopadhyay, P. Piot
Conference Proceedings International Conference on RF Superconductivity 2015, Whistler, BC, Canada.

High Q0 at Medium Fields in Nb3Sn SRF Cavities at 4.2 K

S. Posen, D. L. Hall, M. Liepe, T. Proslier,
Conference Proceedings International Particle Accelerator Conference 2015, Richmond, VA, USA.

Update on Nitrogen-doped 9-cell Cavity Performance in the Cornell Horizontal Test Cryomodule

D. Gonnella, R. G. Eichhorn, F. Furuta, M. Ge, D. L. Hall, Y. He, K. M. V. Ho, G. H. Hoffstaetter, M. Liepe, J. T. Maniscalco, T. O'Connel, S. Posen, P. Quigley, J. Sears, V. Veshcherevich, A. Grassellino, C. Grimm, O. S. Melnychuk, A. S. Romanenko
Conference Proceedings International Particle Accelerator Conference 2015, Richmond, VA, USA.

Recent Studies on the Current Limitations of State-of-the-Art Nb3Sn Cavities

D. L. Hall, M. Liepe, J. T. Maniscalco, S. Posen, T. Proslier
Conference Proceedings International Particle Accelerator Conference 2015, Richmond, VA, USA.

Hc2 Measurements of Nb3Sn and Nitrogen-doped Niobium using Physical Property Measurement System

J. T. Maniscalco, D. Gonnella, D. L. Hall, M. Liepe, S. Posen
Conference Proceedings International Particle Accelerator Conference 2015, Richmond, VA, USA.

Nb3Sn Materials Studies

S. Posen, M. Liepe
Conference Proceedings Linear Accelerator Conference 2014, Geneva, Switzerland.

Analysis of Systematic and Random Error in SRF Material Parameter Calculations

S. J. Meyers, S. Posen, M. Liepe
Conference Proceedings Linear Accelerator Conference 2014, Geneva, Switzerland.

Nitrogen-Doped 9-Cell Cavity Performance in the Cornell Horizontal Test Cryomodule

D. Gonnella, R. G. Eichhorn, F. Furuta, M. Ge, D. L. Hall, Y. He, G. H. Hoffstaetter, M. Liepe, T. O'Connel, S. Posen, P. Quigley, J. Sears, V. Veshcherevich, A. Grassellino, A. S. Romanenko
Conference Proceedings Linear Accelerator Conference 2014, Geneva, Switzerland.

Nb3Sn for SRF Application

M. Liepe and S. Posen
Conference Proceedings SRF Conference 2013, Paris, France, USA.

RF Test Results of the first Nb3Sn Cavities Coated at Cornell

S. Posen and M. Liepe
Conference Proceedings SRF Conference 2013, Paris, France, USA.

Record Quality Factor Performance of the Prototype Cornell ERL Main Linac Cavity in the Horizontal Test Cryomodule

N.R.A. Valles, R.G. Eichhorn, F. Furuta, G.M. Ge, D. Gonnella, D.L. Hall, Y. He, K.M.V. Ho, G.H. Hoffstaetter, M. Liepe, T.I. O'Connel, S. Posen, P. Quigley, J. Sears, V. Veshcherevich
Conference Proceedings SRF Conference 2013, Paris, France, USA.

High Q Cavities for the Cornell ERL Main Linac

R.G. Eichhorn, B. Bullock, B. Clasby, B. Elmore, F. Furuta, A. Ganshin, G.M. Ge, D. Gonnella, D.L. Hall, Y. He, K.M.V. Ho, G.H. Hoffstaetter, J.J. Kaufman, M. Liepe, T.I. O'Connel, S. Posen, P. Quigley, J. Sears, V.D. Shemelin, E.N. Smith, V. Veshcherevich
Conference Proceedings SRF Conference 2013, Paris, France, USA.

Recent Findings on Nitrogen Treated Niobium

R.G. Eichhorn, A. Ganshin, A. Holmes, J.J. Kaufman, S.R. Markham, S. Posen, E.N. Smith
Conference Proceedings SRF Conference 2013, Paris, France, USA.

Muon Spin Rotation Studies of Bulk Electropolished Cavity Cutouts and Thin Films of Alternative Materials

A. Grassellino, A. Romanenko, D.A. Sergatskov, T. Buck, R.E. Laxdal, M. Liepe, S. Posen, and Y. Trenikhina
Conference Proceedings SRF Conference 2013, Paris, France, USA (poster only).

Theoretical Description of SIS Multilayer Films for SRF Cavities

S. Posen, M. Liepe, J. Sethna, G. Catelani, M. Transtrum
Conference Proceedings North American Particle Accelerator Conference 2013, Pasadena, CA, USA.

Achieving High Accuracy in Cornell's ERL Cavity Production

R.G. Eichhorn, B. Bullock, B. Clasby, J.J. Kaufman, B.M. Kilpatrick, S. Posen, J. Sears, V.D. Shemelin, T. Kürzeder
Conference Proceedings North American Particle Accelerator Conference 2013, Pasadena, CA, USA.

Cryomodule Performance of the Main Linac Prototype Cavity for Cornell's Energy Recovery Linac

N.R.A. Valles, R.G. Eichhorn, F. Furuta, G.M. Ge, D. Gonnella, D.L. Hall, Y. He, K.M.V. Ho, G.H. Hoffstaetter, M. Liepe, T.I. O'Connell, S. Posen, P. Quigley, J. Sears, V. Veshcherevich
Conference Proceedings North American Particle Accelerator Conference 2013, Pasadena, CA, USA.

Measurement of the Mechanical Properties of Superconducting Cavities During Operation

S. Posen and M. Liepe
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Minimizing Helium Pressure Sensitivity in Elliptical SRF Cavities

S. Posen and M. Liepe
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Residual Resistance Studies at Cornell

S. Posen D. Gonnella, G. Hoffstaetter, and M. Liepe
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Recent Developments in the Cornell Nb3Sn Initiative

S. Posen G. Hoffstaetter, M. Liepe, and Y. Xie
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Quench Studies of a Superconducting RF Cavity

D. Gonnella, M. Liepe, and S. Posen
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

High Current Operation of the Cornell ERL Superconducting RF Injector Cryomodule

M. Liepe, G. Hoffstaetter, S. Posen P. Quigley, and V. Veshcherevich
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Progress on Superconducting RF Work for the Cornell ERL

M. Liepe, F. Furuta, M. Ge, Y. He, G. Hoffstaetter, T. O'Connell, S. Posen J. Sears, M. Tigner, N. Valles, and V. Veshcherevich
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Testing of the Main-Linac Prototype Cavity in a Horizontal Test Cryomodule for the Cornell ERL

N. Valles, F. Furuta, M. Ge, Y. He, K. Ho, G. Hoffstaetter, M. Liepe, T. O'Connell, S. Posen P. Quigley, J. Sears, M. Tigner, and V. Veshcherevich
Conference Proceedings International Particle Accelerator Conference 2012, New Orleans, LA, USA.

Experience with the Cornell ERL Injector SRF Cryomodule during High Beam Current Operation

D.L. Hartill, G.H. Hoffstaetter, S. Posen, P. Quigley, V. Veshcherevich
Conference Proceedings International Particle Accelerator Conference 2011, San Sebastian, Spain.

Cornell SRF New Materials Program

S. Posen, M. Liepe, and Y. Xie
Conference Proceedings International Particle Accelerator Conference 2011, San Sebastian, Spain.

Stoichiometric Nb3Sn in First Samples Coated at Cornell

S. Posen and M. Liepe
Conference Proceedings SRF Conference 2011, Chicago, IL, USA. .

HOM Measurements with Beam at the Cornell Injector Cryomodule

S. Posen and M. Liepe
Conference Proceedings SRF Conference 2011, Chicago, IL, USA.

Minimizing Microphonics Detuning by Optimization of Stiffening Rings

S. Posen and M. Liepe
Conference Proceedings SRF Conference 2011, Chicago, IL, USA.

Quench Studies in Large and Fine Grain Nb Cavities

Sam Posen, Nicholas Ruben Alexander Valles
Conference Proceedings and M. Liepe SRF Conference 2011, Chicago, IL, USA.

Superconducting RF R&D for the Cornell ERL Main Linac

Matthias Liepe, Yun He, Georg H. Hoffstaetter, Sam Posen, James Sears, Valery D. Shemelin, Maury Tigner, Nicholas Ruben Alexander Valles, and Vadim Veshcherevich
Conference Proceedings SRF Conference 2011, Chicago, IL, USA.

HOM Measurements with Beam at the Cornell Injector Cryomodule

S.E. Posen and M. Liepe
Conference Proceedings Particle Accelerator Conference 2011, New York, NY, USA.

Progress on Superconducting RF for the Cornell Energy-Recovery-Linac

M. Liepe, G.H. Hoffstaetter, S.E. Posen, J. Sears, V.D. Shemelin, M. Tigner, N.R.A. Valles, V. Veshcherevich
Conference Proceedings Particle Accelerator Conference 2011, New York, NY, USA.

Cornell ERL Research and Development

C.E. Mayes, I.V. Bazarov, S.A. Belomestnykh, D.H. Bilderback, M.G. Billing, J.D. Brock, E.P. Chojnacki, J.A. Crittenden, L. Cultrera, J. Dobbins, B.M. Dunham, R.D. Ehrlich, M. P. Ehrlichman, E. Fontes, C.M. Gulliford, D.L. Hartill, G.H. Hoffstaetter, V.O. Kostroun, F.A. Laham, Y. Li, M. Liepe, X. Liu, F. Loehl, A. Meseck, A.A. Mikhailichenko, H. Padamsee, S. Posen, P. Quigley, P. Revesz, D.H. Rice, D. Sagan, V.D. Shemelin, E.N. Smith, K.W. Smolenski, A.B. Temnykh, M. Tigner, N.R.A. Valles, V. Veshcherevich, Y. Xie
Conference Proceedings Particle Accelerator Conference 2011, New York, NY, USA.

Status of the Cornell ERL Injector Cryomodule

M. Liepe, S. Belomestnykh, E. Chojnacki, Z. Conway, G. Hoffstaetter, R. Kaplan, S. Posen, P. Quigley, J. Sears, V. Shemelin, V. Veshcherevich
Conference Proceedings International Linear Accelerator Conference 2010, Tsukuba, Japan.

Latest results and test plans from the 100 mA Cornell ERL injector SCRF cryomodule

M. Liepe, S. Belomestnykh, E. Chojnacki, Z. Conway, G. Hoffstaetter, R. Kaplan, S. Posen, P. Quigley, J. Sears, V. Shemelin, and V. Veshcherevich
Conference Proceedings International Particle Accelerator Conference 2010, Kyoto, Japan.

Coupled Electromagnetic-Thermal-Mechanical Simulations of Superconducting RF Cavities

S.E. Posen, M. Liepe, N.R.A. Valles
Conference Proceedings International Particle Accelerator Conference 2010, Kyoto, Japan (poster presenter was S. Belomestnykh).

Cornell Energy Recovery Linac: Project Definition Design Report

G. Hoffstaeter et al.
Other Scientific Contributions Cornell University (technical report, 2011).

Thermal profile of a physical vapor deposition sputter device

Sam Posen and Andrew Zwicker
Other Scientific Contributions Journal of Undergraduate Research, Office of Science, US Department of Energy. 9: 247 (abstract summarizing Summer undergraduate internship, 2008).

Fake Missing Transverse Energy from ATLAS Calorimeter Cosmic Ray Data

Teuscher, R.J., Gibson, A., Posen, S., Guo, B., Rosenbaum, G., Ross, I., Asevedo, A., Meirose, B., Clement, C., Gollub, N., Maneira, J., Gentil, J., Maxa, Z.
Other Scientific Contributions ATL-CAL-2008-002: 1-15 (ATLAS note from summer research internship at CERN, 2008).