JILA Science Publications

Displaying 101 - 152 of 152

2017

Production of carbon clusters C3 to C12 with a cryogenic buffer-gas beam source
Cameron Straatsma, M. Fabrikant, G. Douberly, Heather Lewandowski, The Journal of Chemical Physics 147, 124201 (2017).
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Measurements of trap dynamics of cold OH molecules using resonance-enhanced multiphoton ionization
John Gray, Jason Bossert, Yomay Shyur, Heather Lewandowski, Physical Review A 9666, 023416 (2017).
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Students' views about the nature of experimental physics
Bethany Wilcox, Heather Lewandowski, Physical Review Physics Education Research 136, (2017).
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Developing skills versus reinforcing concepts in physics labs: Insight from a survey of students' beliefs about experimental physics
Bethany Wilcox, Heather Lewandowski, Physical Review Physics Education Research 13, 010108 (2017).
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Electronics lab instructors' approaches to troubleshooting instruction
Dimitri Dounas-Frazer, Heather Lewandowski, Physical Review Physics Education Research 13, 010102 (2017).
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Publication Highlights:
Editor’s Suggestion
Instructor perspectives on iteration during upper-division optics lab activities
Dimitri Dounas-Frazer, Jacob Stanley, Heather Lewandowski, 2017 Physics Education Research Conference Proceedings , (2017).
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2016

Collapse and revival of the monopole mode of a degenerate Bose gas in an isotropic harmonic trap
Cameron Straatsma, Victor Colussi, M. Davis, D. Lobser, Murray Holland, Dana Anderson, Heather Lewandowski, Eric Cornell, Physical Review A 94, 043640 (2016).
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Publication Highlights:
Editor’s Suggestion
Open-ended versus guided laboratory activities: Impact on students' beliefs about experimental physics
Bethany Wilcox, Heather Lewandowski, Physical Review Physics Education Research 12, 020132 (2016).
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Lab notebooks as scientific communication: Investigating development from undergraduate courses to graduate research
Jacob Stanley, Heather Lewandowski, Physical Review Physics Education Research 12, 020129 (2016).
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Research-based assessment of students' beliefs about experimental physics: When is gender a factor?
Bethany Wilcox, Heather Lewandowski, Physical Review Physics Education Research 12, 020130 (2016).
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Alternative model for administration and analysis of research-based assessments
Bethany Wilcox, Benjamin Zwickl, Robert Hobbs, John Aiken, Nathan Welch, Heather Lewandowski, Physical Review Physics Education Research 12, 010139 (2016).
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Investigating the role of model-based reasoning while troubleshooting an electric circuit
Dimitri Dounas-Frazer, Kevin Van De Bogart, MacKenzie Stetzer, Heather Lewandowski, Physical Review Physics Education Research 12, 010137 (2016).
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Publication Highlights:
Editor’s Suggestion
Students' epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics
Bethany Wilcox, Heather Lewandowski, Physical Review Physics Education Research 12, 010123 (2016).
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Publication Highlights:
Editor’s Suggestion
Impact of instructional approach on students' epistemologies about experimental physics
Bethany Wilcox, Heather Lewandowski, 2016 Physics Education Research Conference Proceedings , (2016).
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Investigating student ownership of projects in an upper-division physics lab course
Jacob Stanley, Dimitri Dounas-Frazer, Laura Kiepura, Heather Lewandowski, 2016 Physics Education Research Conference Proceedings , (2016).
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Nothing works the first time: An expert experimental physics epistemology
Dimitri Dounas-Frazer, Heather Lewandowski, 2016 Physics Education Research Conference Proceedings , (2016).
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2015

Observation of a persistent non-equilibrium state in cold atoms
D. Lobser, A. Barentine, Eric Cornell, Heather Lewandowski, Nature Physics 11, 1009-1012 (2015).
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Publication Highlights:
Highlighted in “Nature’s News & Views”
Model-based reasoning in the physics laboratory: Framework and initial results
Benjamin Zwickl, Dehui Hu, Noah Finkelstein, Heather Lewandowski, Physical Review Special Topics - Physics Education Research 11, 020113 (2015).
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Access to undergraduate research experiences at a large research university
S. Hanshaw, Dimitri Dounas-Frazer, Heather Lewandowski, 2015 Physics Education Research Conference Proceedings , (2015).
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Correlating students' beliefs about experimental physics with lab course success
Bethany Wilcox, Heather Lewandowski, 2015 Physics Education Research Conference Proceedings , (2015).
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Making models of measurement tools: Examples from think-aloud student interviews
Benjamin Zwickl, D Hu, Noah Finkelstein, Heather Lewandowski, 2015 Physics Education Research Conference Proceedings , (2015).
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Redesigning a junior-level electronics course to support engagement in scientific practices
Heather Lewandowski, Noah Finkelstein, 2015 Physics Education Research Conference Proceedings , (2015).
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Studying expert practices to create learning goals for electronics labs
Heather Lewandowski, Noah Finkelstein, Benjamin Pollard, 2015 Physics Education Research Conference Proceedings , (2015).
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The role of metacognition in troubleshooting: an example from electronics
Kevin Van De Bogart, Dimitri Dounas-Frazer, Heather Lewandowski, MacKenzie Stetzer, 2015 Physics Education Research Conference Proceedings , (2015).
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The role of modeling in troubleshooting: an example from electronics
Dimitri Dounas-Frazer, Kevin Van De Bogart, MacKenzie Stetzer, Heather Lewandowski, 2015 Physics Education Research Conference Proceedings , (2015).
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2014

Incorporating learning goals about modeling into an upper-division physics laboratory experiment
Benjamin Zwickl, Noah Finkelstein, Heather Lewandowski, American Journal of Physics 82, 876-882 (2014).
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Method for traveling-wave deceleration of buffer-gas beams of CH
M. Fabrikant, Tian Li, N. Fitch, N. Farrow, Jonathan Weinstein, Heather Lewandowski, Physical Review A 90, 033418 (2014).
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Epistemology and expectations survey about experimental physics: Development and initial results
Benjamin Zwickl, Takako Hirokawa, Noah Finkelstein, Heather Lewandowski, Physical Review Special Topics - Physics Education Research 10, 010120 (2014).
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Development and results from a survey on students' views of experiments in lab classes and research
Benjamin Zwickl, Noah Finkelstein, Heather Lewandowski, Takako Hirokawa, 2014 Physics Education Research Conference Proceedings , (2014).
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2013

A search for varying fundamental constants using hertz-level frequency measurements of cold CH molecules
S. Truppe, R. Hendricks, S. Tokunaga, Heather Lewandowski, M. Kozlov, C. Henkel, E. Hinds, M. Tarbutt, Nature Communications 4, 2600 (2013).
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Publication Highlights:
Featured in “Science News”
Development and validation of the Colorado learning attitudes about science survey for experimental physics
Benjamin Zwickl, Noah Finkelstein, Heather Lewandowski, 2013 Physics Education Research Conference Proceedings , (2013).
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The process of transforming an advanced lab course: Goals, curriculum, and assessments
Benjamin Zwickl, Noah Finkelstein, Heather Lewandowski, American Journal of Physics 81, 63 (2013).
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2012

State purity of decelerated molecular beams
N. Fitch, D.A. Esteves, M. Fabrikant, Travis Briles, Yomay Shyur, L. Parazzoli, Heather Lewandowski, Journal of Molecular Spectroscopy 278, 1-6 (2012).
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Transforming the advanced lab: Part I - Learning goals
Benjamin Zwickl, Noah Finkelstein, Heather Lewandowski, 2012 Physics Education Research Conference Proceedings , 391-394 (2012).
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2011

Large Effects of Electric Fields on Atom-Molecule Collisions at Millikelvin Temperatures
L. Parazzoli, N. Fitch, P. Zuchowski, Jeremy Hutson, Heather Lewandowski, Physical Review Letters 106, 193201 (2011).
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2009

Theoretical study of the quenching of NH (1 Δ) molecules via collisions with Rb atoms
D. Haxton, Steven Wrathmall, Heather Lewandowski, Chris Greene, Physical Review A 80, (2009).
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Experimental demonstration of classical Hamiltonian monodromy in the 1:1:2 resonant elastic pendulum
N. Fitch, Carrie Weidner, L. Parazzoli, H. Dullin, Heather Lewandowski, Phys. Rev. Lett. 103, (2009).
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Publication Highlights:
Editor’s suggestion
Featured in APS’s “Physics”Magazine
High-energy-resolution molecular beams for cold collision studies
L. Parazzoli, N. Fitch, D. Lobser, Heather Lewandowski, New Journal of Physics 11, (2009).
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2006

Production of cold formaldehyde molecules for study and control of chemical reaction dynamics with hydroxyl radicals
E. Hudson, C. Ticknor, B. Sawyer, C. Taatjes, Heather Lewandowski, J. Bochinski, John Bohn, Jun Ye, Physical Review A 73, 063404 (2006).
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Publication image. Cold Molecule Spectroscopy for Constraining the Evolution of the Fine Structure Constant
E. Hudson, Heather Lewandowski, B. Sawyer, Jun Ye, Physical Review Letters 96, (2006).
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2004

Efficient Stark deceleration of cold polar molecules
E. Hudson, J. Bochinski, Heather Lewandowski, B. Sawyer, Jun Ye, The European Physical Journal D 31, 351-358 (2004).
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Cold free-radical molecules in the laboratory frame
J. Bochinski, E. Hudson, Heather Lewandowski, Jun Ye, Physical Review A 70, (2004).
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A pulsed, low-temperature beam of supersonically cooled free radical OH molecules
Heather Lewandowski, E. Hudson, J. Bochinski, Jun Ye, Chemical Physics Letters 395, 53-57 (2004).
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2003

Decoherence-Driven Cooling of a Degenerate Spinor Bose Gas
Heather Lewandowski, J. McGuirk, D. Harber, Eric Cornell, Physical Review Letters 91, (2003).
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Normal-Superfluid Interaction Dynamics in a Spinor Bose Gas
J. McGuirk, D. Harber, Heather Lewandowski, Eric Cornell, Physical Review Letters 91, (2003).
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Publication images. Phase space manipulation of free radical OH molecules
J. Bochinski, E. Hudson, Heather Lewandowski, G. Meijer, Jun Ye, Physical Review Letters 91, (2003).
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Simplified System for Creating a Bose-Einstein Condensate
Heather Lewandowski, D. Harber, D. Whitaker, Eric Cornell, Journal of Low Temperature Physics 132, 309-367 (2003).
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The Mystery of the Ramsey Fringe that Didn't Chirp
D. Harber, Heather Lewandowski, J. McGuirk, Eric Cornell, unknown , 3-10 (2003).
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2002

Effect of cold collisions on spin coherence and resonance shifts in a magnetically trapped ultracold gas
D. Harber, Heather Lewandowski, J. McGuirk, Eric Cornell, Physical Review A 66, (2002).
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Spatial Resolution of Spin Waves in an Ultracold Gas
J. McGuirk, Heather Lewandowski, D. Harber, T. Nikuni, J. Williams, Eric Cornell, Physical Review Letters 89, (2002).
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Observation of Anomalous Spin-State Segregation in a Trapped Ultracold Vapor
Heather Lewandowski, D. Harber, D. Whitaker, Eric Cornell, Physical Review Letters 88, (2002).
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1999

Laser Guidance and Trapping of Mesoscale Particles in Hollow-Core Optical Fibers
Michael Renn, Robert Pastel, Heather Lewandowski, Physical Review Letters 82, 1574-1577 (1999).
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