Selected Publications

Papers

•  Geometric phases in electric dipole searches with trapped spin-1/2 particles in general fields and measurements cells of arbitrary shape with smooth or rough wqalls, R. Golub, C. Kaufman, G. Mueller, A. Steyerl, Phys. Rev. A 92, 062123 (2015).
• Geometric phases in electric dipole searches with trapped spin-1/2 particles in general fields and measurements cells of arbitrary shape with smooth or rough wqalls, R. Golub, A. Steyerl, C. Kaufman, G. Mueller, arXiv:1505.03438 [nucl-ex] (2015).
• Determination of the free neutron lifetime, J. D. Bowman, L. J. Broussard, S. M. Clayton, M. S. Dewey, N. Fomin, K. B. Grammer, G. L. Greene, P. R. Huffman, A. T. Holley, G. L. Jones, C.-Y. Liu, M. Makela, M. P. Mendenhall, C. L. Morris, J. Mulholland, K. M. Nollett, R. W. Pattie, Jr., S. Penttilae, M. Ramsey-Musolf, D. J. Salvat, A. Saunders, S. J. Seestrom, W. M. Snow, A. Steyerl, F. E. Wietfield, A. R. Young and A. T. Yue, arXiv:1410.5311 [nucl-ex] (2014).
• Calculation of geometric phases in electric dipole searches with trapped spin-1/2 particles based on direct solution of the Schroedinger equation, A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik, A. M. Desai and R. Golub, (2014), arXiv:1403.0861 [nucl-ex] (2014).
• Calculation of geometric phases in electric dipole searches with trapped spin-1/2 particles based on direct solution of the Schroedinger equation, A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik, A. M. Desai and R. Golub, Phys. Rev. A 89, 052129 (2014).
• Spin 1/2 systems perturbed by fluctuating, arbitrary fields; relaxation and frequency shifts, a new approach to Redfield theory, R. Golub and A. Steyerl, arXiv:1403.0871 [nucl-ex] (2014).
•   Quasielastic scattering in the interaction of ultracold neutrons with a liquid wall and application to a reanalysis of the Mambo I neutron-lifetime experiment, A. Steyerl, J. M. Pendlebury, C. Kaufman, S. S. Malik and A. M. Desai (2012), Phys. Rev. C 85,065503 (2012).
• Ultracold neutron depolarization in magnetic bottles, A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik and A. M. Desai (2012), Phys. Rev. C 86,065501 (2012).
• Spin flip loss in magnetic storage of ultracold neutrons, A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik and A. M. Desai, in “Next generation experiments to measure the neutron lifetime”, ed. S. J. Seestrom, World Scientific, 75-86 (2014).
• Surface roughness effect on ultracold neutron interaction with a wall and implications for computer simulations, A. Steyerl, S. S. Malik, A. M. Desai and C. Kaufman (2010), Phys. Rev. C 81, 055505 (2010).
• Surface roughness effect on ultracold neutron interaction with a wall, and implications for computer simulations, A. Steyerl, S. S. Malik, A. M. Desai and C. Kaufman (2009); arXiv:0911.4115 [nucl-ex] (2009).

Presentations

• Old and new stories about ultracold neutrons, A. Steyerl, Centennial seminar in memory of F. L. Shapiro, April 7, 2015.
• Overview/status of the bottle method, A. Steyerl, Workshop “Next generation neutron lifetime measurements in the U.S.”, Amherst Center for Fundamental Interactions, September 19, 2014.
• Geometric phases in EDM searches; direct solution of the Schroedinger equation, A. Steyerl, R. Golub, C. Kaufman, G. Mueller, S. S. Malik and A. M. Desai, SParTa2013, Spin and charged particle tracking in magnetic fields at very low energies, Seeon, Oct. 2013.
• Ultracold neutron depolarization in magnetic storage traps, A. Steyerl, Workshop Next Generation Trap Experiments to Measure the Neutron Lifetime, Santa Fe, Nov. 9, 2012.
• Systematics in neutron lifetime experiments, A. Steyerl, Research opportunities with ultracold neutrons in the US, Santa Fe, Nov. 6-7, 2009.

Ph.D. Thesis

• Neutron lifetime experiment using UCN storage in an ‘Accordion-like’ trap, A. M. Desai, Ph.D. thesis, University of Rhode Island, Kingston, RI, August 2012.

List of Publications ( Alternate link)