Magnet Group - Biographies

• B.E. (Hons) - Electrical Engineering, Government Engineering College, Bilaspur, India
• M. Tech. - Cryogenic Engineering, Indian Institute of Technology (IIT), Kharagpur, India
• Ph.D. - Electrical Engineering, University of Cambridge, Cambridge, UK
• Chartered Engineer, UK
• Senior IEEE Member, USA
• Member of IET, UK

Primary areas of expertise:

• Superconducting magnets (LTS, HTS, and normal), measurement systems, electrical power, ac losses

Secondary areas of expertise:

• Cryogenics, superconducting materials

Work experience:

• Magnet Group Leader, Jefferson Lab, Newport News, VA, USA [June 2022 - Present]
• Sr. Magnet Engineer (SSE), )Jefferson Lab, Newport News, VA, USA [Jan 2013 - May 2022]
• GE Global Research Center, Niskayuna, NY, USA [2010 - 2013]
• Oxford Instruments, Abingdon, UK [2000 - 2010]
• INOX India Ltd., Vadodara, India [1996-2000]
• AIMS Oxygen, Vadodara, India [1995-1996]

Publications:

1. P. K. Ghoshal, et al,, “General Failure Modes and Effects Analysis for Accelerator and Detector Magnet Design at JLab”, IEEE Trans on Appl. Superconductivity, V30(8), Dec 2020, 4501011, DOI 10.1109/TASC.2020.3022993
2. Probir K. Ghoshal, D. Chavez, R. Fair, S. Gopinath, D. Kashy, P. McIntyre, T. Michalski, R. Rajput-Ghoshal, A. Sattarov, “Preliminary Design Study of a Fast-Ramping magnet for Pre-concept Design of an Electron-Ion Collider at Jefferson Lab”, IEEE Trans on Appl. Superconductivity, Vol 30 (1), Jan 2020, 4700211 (Digital Object Identifier 10.1109/TASC.2019.2929495)
3. P. K. Ghoshal, R. Bachimanchi, P. Bonneau, P. Campero Rojas, B. J. Eng , R. J. Fair, T. Lemon , and N. R. Sandoval, “Development of FPGA-based multi-sensor excitation low voltage (MSELV) chassis at Jefferson Lab”, Rev. Sci. Instrum., 90(12), 124701, Dec 2019 (DOI: 10.1063/1.5127460)

• B.E. - Mechanical Engineering, K. J. Somaiya College of Engineering, India
• M.S. - Mechanical Engineering, Rutgers University, USA

Primary areas of expertise:

• Mechanical Design & Simulation, Temperature & Thermal Testing, Design of Experiments.

Secondary areas of expertise:

• DAQ, Data analysis, Prototyping

Work experience:

• Jefferson Lab, Newport News, VA, USA [2016 - Present]

Publications:

1. P. K. Ghoshal, et al,, “General Failure Modes and Effects Analysis for Accelerator and Detector Magnet Design at JLab”, IEEE Trans on Appl. Superconductivity, V30(8), Dec 2020, 4501011, DOI 10.1109/TASC.2020.3022993
2. Probir K. Ghoshal, D. Chavez, R. Fair, S. Gopinath, D. Kashy, P. McIntyre, T. Michalski, R. Rajput-Ghoshal, A. Sattarov, “Preliminary Design Study of a Fast-Ramping magnet for Pre-concept Design of an Electron-Ion Collider at Jefferson Lab”, IEEE Trans on Appl. Superconductivity, Vol 30 (1), Jan 2020, 4700211 (Digital Object Identifier 10.1109/TASC.2019.2929495)

• B.S. - Mechanical Engineering, Michigan State University, East Lansing, MI, USA
• M.E. - Mechanical Engineering, Old Dominion University, Norfolk, VA, USA
• Registered P.E. in Virginia, USA

Primary areas of expertise:

• Mechanical System Design, Cryogenic Design, System Design and Operation, and Mechanical & process design of Superconducting and Normal magnet

Secondary areas of expertise:

• Design of Detectors for Nuclear Physics experiments

Work experience:

Currently - Technical Lead Moller-Spectrometer

• Jefferson Lab, Newport News, VA, USA [1988 – Present]
• Newport News Shipbuilding, Newport News, VA, USA [1983 – 1988]

Publications:

1. D. Kashy, R. Fair, P. K. Ghoshal, R. Rajput-Ghoshal, “Interactions observed between Torus and Solenoid Superconducting magnets at JLab”, IEEE Trans on Appl. Superconductivity, V30 (4), June 2020, 4500605.
2. R. Fair, et al., “The CLAS12 Superconducting magnets”, Nuclear Inst. and Methods in Physics Research, A 962 (2020) 163578.
3. Probir K. Ghoshal, J. Michael Beck, Ruben J. Fair, David H. Kashy, Mac D. Mestayer, Joseph Meyers, Joseph Newton, Renuka Rajput-Ghoshal, Kelly Tremblay, and Cyril L. Wiggins, “Magnetic Field Mapping of the CLAS12 Torus—A Comparative Study Between the Engineering Model and Measurements at JLab” - IEEE Trans on Appl. Superconductivity, Vol 29. No. 4, June 2019

• BSc- Physics, Chemistry, Maths, Rohilkhand University Bareilly, India
• MSc- Physics, Rohilkhand University Bareilly, India
• Ph.D.- Physics, Jawaharlal Nehru University, New Delhi, India
• Chartered Physicist, UK
• Senior IEEE Member, USA

Primary areas of expertise:

• Superconducting magnets (LTS and HTS), resistive magnet, magnet measurement

Secondary areas of expertise:

• Superconducting Materials, numerical analysis, and project management

Work experience:

Currently - CAM (L3) EIC Detector Magnet

• Jefferson Lab, Newport News, VA, USA [2013 - Present]
• GE Global Research Center, Niskayuna, NY, USA [2011 - 2013]
• Scientific Magnetics (Space Cryomagnetics), Abingdon, UK [2005 - 2011]
• Oxford Instruments, Oxford, UK [2001 - 2005]
• Centre for Advanced Technology, Department of Atomic Energy, Indore, India [1994 - 2001]
• National Physical Laboratory, New Delhi, India [1992-1994]
• Jawaharlal Nehru University, New Delhi, India [1987-1992]

Publications:

1. P. K. Ghoshal, et al,, “General Failure Modes and Effects Analysis for Accelerator and Detector Magnet Design at JLab”, IEEE Trans on Appl. Superconductivity, V30(8), Dec 2020, 4501011, DOI 10.1109/TASC.2020.3022993
2. D. Kashy, R. Fair, P. K. Ghoshal, R. Rajput-Ghoshal, “Interactions observed between Torus and Solenoid Superconducting magnets at JLab”, IEEE Trans on Appl. Superconductivity, V30 (4), June 2020, 4500605, DOI: 10.1109/TASC.2020.2989474
3. R. Rajput-Ghoshal, R. Fair, P. K. Ghoshal, GianLuca Sabbi, “Optimization of an Interaction Region Quadrupole Magnet for a Future Electron-Ion Collider at JLab”, IEEE Trans on Appl. Superconductivity, Vol 30 (4), June 2020, 4001705, DOI: 10.1109/TASC.2020.2972217.

Synergic activities (DOE) - https://www.energy.gov/articles/women-energy-dr-renuka-rajput-ghoshal

• B.S. - Mechanical Engineering, Tongji University, Shanghai, China
• M.S. - Mechanical Engineering, Tongji University, Shanghai, China
• Ph.D - Mechanical Engineering, University of Oklahoma, Norman, OK, USA
• Registered P.E. in Virginia

Primary areas of expertise:

• Pressure vessels, pressure piping, integrity of mechanical systems, and superconducting magnets (LTS)

Secondary areas of expertise:

• Cryogenics, operation of superconducting magnets, and software development

Work experience:

• Jefferson Lab, Newport News, VA, USA [2007– Present]
• ExploreLearning, Charlottesville, VA, USA [2002–2007]
• Shanghai Automotive Corporation, Shanghai, China [1994–1997]

Publications:

1. E. Sun, P. Ghoshal, D. Kashy, R. Rajput-Ghoshal, D. Young, R. Fair "Comparison of Multi-scale Nonlinear and Conventional Linear Methods for Stress Analysis of Nb3Sn Superconducting Magnets", IEEE Transactions on Applied Superconductivity, Vol 33(5), 2023, 4900605
2. Eric Qiuli Sun, "Multi-scale nonlinear stress analysis of Nb3Sn superconducting accelerator magnets", Superconductor Science and Technology, V 35, 2022, 045019.
3. Eric Sun, Steven Lassiter, Probir Ghoshal, Ruben Fair, Paul Brindza, “Test Results of Fast Decaying Current-Induced AC Losses in SHMS Superconducting Magnets at Jefferson Lab”, IEEE Trans on Appl. Superconductivity, Vol 30 (4), June 2020, 4101005.

• A.A.S. - Mechanical Design. Westmoreland County Community College, Pittsburgh PA

Primary areas of expertise:

• CAD Modeling and Detailed Design

Secondary areas of expertise:

• Magnet mounts, yokes, and support hardware, access and support platforms, Detector hardware, mounts and supports. Downstream beam line and beam line components.

Work experience:

• Jefferson Lab, Newport News, VA, USA [2007- Present]
• Allied Aerospace industries, Newport News, VA, USA [1985-2007]

Publications:

• BSc (Hons) Eng. - Electrical Engineering, Imperial College, London, UK
• Ph.D - Electrical Engineering, Imperial College, London, UK
• Chartered Engineer, UK
• Senior IEEE member, USA

Primary areas of expertise:

• Superconducting magnets (LTS and HTS)

Secondary areas of expertise:

• Conventional and superconducting rotating electrical machinery, permanent magnet machines

Work experience:

• Jefferson Lab, Newport News, VA, USA [2013 - Aug 2021]
• GE Global Research Center, Niskayuna, NY, USA [2010 - 2013]
• Converteam (GE Power Conversion), Rugby, UK [2007 - 2010]
• Oxford Instruments, Oxford, UK [1994 - 2007]
• GEC-Alsthom Large Machines Ltd, Rugby, UK [1988 - 1994]

Ruben is back at JLAB from PPPL since June 2023 as Project Manager - MOLLER within Experimental Nuclear Physics Division.