1. Shane Caldwell
caldwell.shane@gmail.com | (773) 960-9447 | 5621 South University Avenue | Chicago, Illinois 60637
Objective: To transition from laboratory research in nuclear physics, to a position in industry where I use my skills in
hardware, experimental technique, and simulation, to tackle huge challenges and make a positive impact on society.
EDUCATION
University of Chicago CHICAGO, ILLINOIS
Ph.D. in Physics expected early 2015
Sc.M. in Physics 2007
Augustine College OTTAWA, ONTARIO
Diploma (History of Ideas) 2005
DePaul University CHICAGO, ILLINOIS
B.S. in Mathematics & Physics 2004
RESEARCH EXPERIENCE (Argonne National Laboratory)
PhD thesis project 2011–PRESENT
• Managed a cutting-edge nuclear physics experiment, based on a revolutionary measurement technique,
to successful completion under deadline.
• Installed & calibrated a complex array of radiation detectors & precision electronics.
• Optimized the next generation of experiment using ion-beam simulation & 3D modeling.
Cryogenic ion trap & LN2 pump 2009–2011
• Invented a liquid nitrogen (LN2) pump costing ∼20× less than existing designs.
• Redesigned and rebuilt an ion trap to allow LN2 cooling, resulting in 3× performance improvement.
Nuclear mass spectrometry 2005–2009
• Built and commissioned a laser-ablation ion source allowing any stable isotope to be ionized and studied.
• Implemented state-of-the-art experimental techniques, yielding 3× increase in efficiency.
• Measured masses of 4 nuclei, which remain the most accurate measurements ever made in my lab.
PROGRAMMING EXPERIENCE
Data analysis 2012–PRESENT
• Built and maintained a suite of dozens of scalable analysis programs in C++/ROOT.
• Designed a mathematical model of experiment, and validated it with a detailed Monte Carlo simulation.
• Attended MPI workshop at Argonne Computing Leadership Facility to learn key concepts.
• Wrote Python scripts to automate workflow.
Data acquisition 2012–2013
• Acquired a 2-terabyte data set from CAMAC modules using C code.
• Wrote control and readout code for high-precision digital instruments.
Simulations 2009–2012
• Built finite-element simulations of electromagnetic fields in 3 types of ion traps.
• Guided in situ optimization of experiment, leading to 2× performance improvement.
Nonlinear regression 2007–2008
• Generated 4 physically motivated models and compared their performance.
• Composed interface for model choice, parameter control, visualization, and result logging.
SKILLS
Technical
• Programming: Linux, C/C++, ROOT, SimIon, Mathematica, MATLAB, Lua, Python, MPI.
• Statistics: Probability distributions, Regression analysis, Bayesian inference, Monte Carlo methods.
• Experimentation: Simulation, Design, Specifications, Falsification, Data analysis.
Leadership
• House President, House Manager, & Board Member of Gamma Alpha Society of Chicago.
• Captain of a Regionals-level ultimate frisbee team.
• House President of BASIC House (residential community at DePaul University).
Teaching
• Supervised Advanced Electronics lab course at University of Chicago.

2. PATENTS
Compact Liquid Nitrogen Pump (Pending) 2014
Owned & sponsored by Argonne National Laboratory
AWARDS
Fessenden Prize 2012
McGill University innovation prize, won for the design of a centrifugal liquid nitrogen pump.
Robert G. Sachs Fellowship 2007
University of Chicago Physics Department award for merit in graduate coursework.
Robert R. McCormick Fellowship 2006
University of Chicago Physical Sciences Division award for merit of PhD applicant.
PUBLICATIONS
First Results from the CARIBU Facility: Mass Measurements on the r-process Path
J Van Schelt, D Lascar, G Savard, JA Clark, PF Bertone, S Caldwell, A Chaudhuri, AF Levand, G Li, GE Morgan,
R Orford, RE Segel, KS Sharma, MG Sternberg. Physical Review Letters. Volume 111: 061102 (2013).
Tensor Interaction Limit Derived From the α-β-¯ν Correlation in Trapped 8
Li Ions
G Li, R Segel, ND Scielzo, PF Bertone, F Buchinger, S Caldwell, A Chaudhuri, JA Clark, JE Crawford, CM Deibel,
J Fallis, S Gulick, G Gwinner, D Lascar, AF Levand, M Pedretti, G Savard, KS Sharma, MG Sternberg, T Sun, J
Van Schelt, RM Yee, BJ Zabransky. Physical Review Letters. Volume 110: 092502 (2013).
β-delayed Neutron Spectroscopy Using Trapped Radioactive Ions
RM Yee, ND Scielzo, PF Bertone, F Buchinger, S Caldwell, JA Clark, CM Deibel, J Fallis, JP Greene, S Gulick, D
Lascar, AF Levand, G Li, EB Norman, M Pedretti, G Savard, RE Segel, KS Sharma, MG Sternberg, J Van Schelt,
and BJ Zabransky. Physical Review Letters. Volume 110: 092501 (2013).
The β-decay Paul Trap: A Radiofrequency-quadrupole Ion Trap for Precision β-decay studies
ND Scielzo, G Li, MG Sternberg, G Savard, PF Bertone, F Buchinger, S Caldwell, JA Clark, J Crawford, CM
Deibel, J Fallis, JP Greene, S Gulick, AA Hecht, D Lascar, JKP Lee, AF Levand, M Pedretti, RE Segel, H Sharma,
KS Sharma, I Tanihata, J Van Schelt, RM Yee, BJ Zabransky. Nuclear Instruments and Methods A. Volume 681:
94–100 (2012).
Mass Measurements Near the r-process Path using the Canadian Penning Trap Mass Spectrometer
J Van Schelt, D Lascar, G Savard, JA Clark, S Caldwell, A Chaudhuri, J Fallis, JP Greene, AF Levand, G Li, KS
Sharma, MG Sternberg, T Sun, BJ Zabransky. Physical Review C: Nuclear Physics. Volume 85: 045805 (2012).
Mass Measurements of Isotopes of Nb, Mo, Tc, and Rh along the νp- and rp-process Paths using the Canadian
Penning Trap Mass Spectrometer
J Fallis, JA Clark, KS Sharma, G Savard, F Buchinger, S Caldwell, A Chaudhuri, JE Crawford, CM Deibel, S
Gulick, AA Hecht, D Lascar, JKP Lee, AF Levand, G Li, BF Lundgren, A Parikh, S Russell, M Scholte-van de Vorst,
ND Scielzo, RE Segel, H Sharma, S Sinha, MG Sternberg, T Sun, I Tanihata, J Van Schelt, JC Wang, Y Wang, C
Wrede, Z Zhou. Physical Review C: Nuclear Physics. Volume 84: 045807 (2011).
Double-β-decay Q Values of 130
Te, 128
Te, and 120
Te
ND Scielzo, S Caldwell, G Savard, JA Clark, CM Diebel, J Fallis, S Gulick, D Lascar, AF Levand, G Li, J Mintz,
EB Norman, KS Sharma, M Sternberg, T Sun, J Van Schelt. Physical Review C: Nuclear Physics. Volume 80:
025501 (2009).
Determination of the Proton Separation Energy of 93
Rh From Mass Measurements
J Fallis, JA Clark, KS Sharma, G Savard, F Buchinger, S Caldwell, JE Crawford, CM Deibel, JL Fisker, S Gulick,
AA Hecht, D Lascar, JKP Lee, AF Levand, G Li, BF Lundgren, A Parikh, S Russell, M Scholte-van de Vorst, ND
Scielzo, RE Segel, H Sharma, S Sinha, M Sternberg, T Sun, I Tanihata, J Van Schelt, JC Wang, Y Wang, C Wrede,
Z Zhou. Physical Review C: Nuclear Physics. Volume 78: 022801(R) (2008).
Bohmian Mechanics with Discrete Operators
R Hyman, S Caldwell, E Dalton. Journal of Physics A: Mathematical and General. Volume 37: L547–L558
(2004).

3. SELECTED PRESENTATIONS
Beta-delayed Neutron Spectroscopy with an Ion Trap
Nuclear Structure conference. Argonne National Laboratory (2012).
Double-beta-decay Q Values of 130
Te, 128
Te, and 120
Te
American Physical Society, Division of Nuclear Physics, Joint Meeting (2009).
Mass Difference of 115
In and 115
Sn
American Physical Society, Division of Nuclear Physics, April Meeting (2009).
High Precision Mass Measurements using the Canadian Penning Trap
(Invited) Lawrence Livermore National Laboratory, Nuclear Physics Seminar (2009).
The Theorist’s Conception of Beauty
(Invited) ELCA Science and Religion Lunch Seminar (2007).
REFERENCES
Guy Savard
Professor, Department of Physics, University of Chicago
Scientific Director of ATLAS, Physics Division, Argonne National Laboratory
Relationship: Thesis supervisor, co-P.I. on Penning-trap projects, co-P.I. on β-delayed neutron experiment
Phone: (630) 252-4024
Email: savard@phy.anl.gov
Nicholas Scielzo
Physicist, Physical Sciences Directorate, Lawrence Livermore National Laboratory
Relationship: Collaborator on all projects & co-P.I. on β-delayed neutron experiment
Phone: (925) 422-4172
Email: scielzo1@llnl.gov
Jason Clark
Physicist, Physics Division, Argonne National Laboratory
Relationship: Collaborator with supervisory role on all projects
Phone: (630) 252-4035
Email: jclark@phy.anl.gov
Kumar Sharma
Professor & Head, Department of Physics & Astronomy, University of Manitoba
Relationship: Co-P.I. on Penning-trap experiments
Phone: (204) 474-6181
Email: kumar.sharma@umanitoba.ca