Student/Faculty Publications
Lafayette College physics students have the opportunity to participate in original research during the semesters and in the summers. Their results are significant and are often published in refereed journals and in conference proceedings.
Refereed Journals
A. Kortyna, V. Fiore '08, and J. Farrar '07, "Measurement of the Cesium 7d 2D3/2 hyperfine coupling constants in a thermal beam using two-photon fluorescence spectroscopy," Physical Review A 77, 062505 (2008).
A. Baykal, S. Ç. İnam, M. J. Stark, Carolyn M. Heffner '06, and A. E. Erkoca, "Timing Studies on RXTE Observations of SAX J2103.5+4545," Monthly Notices of the Royal Astronomical Society 374, 1108 (2007).
R. Giovanelli, M. P. Haynes, B. R. Kent, A. Saintonge, S. Stierwalt, A. Altaf '06,
T. Balonek, N. Brosch, S. Brown, B. Catinella, A. Furniss, J. Goldstein '07,
G. L. Hoffman, R. A. Koopman, D. Kornreich, B. Mahmood, A. Martin, A. Mitschang,
E. Momjian, P. H. Nair, J. L. Rosenberg, and B. Walsh, "The Arecibo Legacy Fast ALFA Survey:
III. HI Source Catalog of the Northern Virgo Cluster Region," Astronomical Journal 133, 2569-2583 (2007).
A. Kortyna, N. A. Masluk '06, and T. Bragdon '04, "Measurement of the 6d 2D3/2 hyperfine structure of cesium using resonant two-photon, sub-Doppler spectroscopy, Physical Review A 74, 022503 (2006).
G. L. Hoffman, E. E. Salpeter, and A. Hirani '04 "Mini High-Velocity Clouds," Astronomical Journal 128, 2932-2941 (2004).
G. L. Hoffman, N. Brosch, E. E. Salpeter, and N. R. Carle '99, "Neutral
Hydrogen Mapping of Virgo Cluster Blue Compact Dwarf Galaxies,"
Astronomical Journal 126, 2774-2796 (2003).
M. J. Stark and Malinda Saia '04, "Doppler Modulation of X-Rays in Cygnus X-3," Astrophysical Journal 587 L101 (2003).
G. L. Hoffman, E. E. Salpeter, and M. G. Pocceschi '02 "High Velocity
Cloud Edges and Mini-High-Velocity Clouds," Astrophysical Journal,
576, 232-240 (2002).
G. L. Hoffman, E. E. Salpeter, and N. J. Carle '99,
"The Fine Structure and Outskirts of DDO 154," Astronomical Journal
122, 2428-2443 (2001).
G. L. Hoffman, N. Y. Lu, E. E. Salpeter, and B. M. Connell '98,
"Dark Matter and Gas Concentrations in the NGC 4532 / DDO 137 System,"
Astronomical Journal, 117, 811 (1999).
G. L. Hoffman, N. Y. Lu, E. E. Salpeter, B. M. Connell '98, and
R. Fromhold-Treu '97, "MCG +00-32-16: An Irregular Galaxy Close to the Lowest Redshift
Absorber on the 3C 273 Line of Sight," Astrophysical Journal 500,
789 (1998).
G. L. Hoffman, J. Dickey, N. Y. Lu, and R. Fromhold-Treu '97,
"A Minnesota Automated Plate Scanner Catalog of Galaxies behind the
Virgo Cluster and toward its Antipode," Astrophysical Journal
473, 822 (1996).
G. L. Hoffman, E. E. Salpeter, B. Farhat '89, T. Roos '91, H. L. Williams '88, and
G. Helou, "Arecibo HI Mapping of a Large Sample of Dwarf Irregular
Galaxies," Astrophysical Journal Supplements 105, 269 (1996).
N. Y. Lu, G. L. Hoffman, T. Groff '90, T. Roos '91, and C. Lamphier '93,
"HI 21cm Observations and I-band CCD Surface Photometry of Spiral Galaxies
behind the Virgo Cluster and towards its Antipode,"
Astrophysical Journal Supplement Series 88, 383 (1993).
. L. Hoffman, E. E. Salpeter. B. Farhat '89, C. Lamphier'93, and T. Roos '91,
"Arecibo Mapping of Three Extended HI Galaxy Disks and Conjectures on
What Lies Beyond," Astronomical Journal, 106, 39 (1993).
G. L. Hoffman, E. E. Salpeter, C. Lamphier '93, and T. Roos '91,
"A Huge HI Cloud near a Galaxy Pair," Astrophysical Journal Letters
388, L5 (1992).
G. L. Hoffman, and H. L. Williams '88, "Abell 154 and Virgo: Pilot Study for
HI Observations of Distant Clusters of Galaxies," Astronomical Journal 101, 325-341 (1991).
A. D. Novaco and J. P. Wroblewski '91, " Rotational states of H2, HD, and D2 on graphite,"
Physical Review B 39, 11364-11371 (1989).
G. L. Hoffman, H. L. Williams '88, E. E. Salpeter, A. Sandage, and B. Binggeli, "HI Studies of Dwarf Irregular Galaxies:
Faint Galaxies in the Virgo Cluster and a Field Sample," Astrophysical
Journal Supplement Series 71, 701 (1989).
G. L. Hoffman, G. Helou, E. E. Salpeter, J. Glosson '84, and A. Sandage,
"HI Detection Survey of a Complete Magnitude-limited Sample
of Dwarf Irregular Galaxies in the Virgo Cluster Area," Astrophysical
Journal, 63, 247 (1987).
Conference Papers
A. Kortyna and J. Grab '10, "Improved measurements of the cesium nd hyperfine structure using photoion spectroscopy of a thermal beam," 40th Annual Meeting of the American Physical Society, Division of Atomic, Molecular, and Optical Physics, Charlottesville, VA; 19-22 May 2009, #Y1-18; Bulletin of the American Physical Society 54(7) (2009).
A. Kortyna and V. Fiore '08, "Atomic beam measurements of the Cs 7d2D3/2 hyperfine parameters with two-photon fluorescence spectroscopy," 40th annual meeting of the European Group on Atomic Systems, Graz, Austria; 2-5 July 2008.
V. Fiore '08 and A. Kortyna, "Cesium 7d 2D3/2 hyperfine coupling constants measured using two-photon fluorescence spectroscopy of a thermal beam," 39th Annual Meeting of the American Physical Society, Division of Atomic, Molecular, and Optical Physics, State College, PA; 27-31 May 2008, #R1-3; Bulletin of the American Physical Society 53(7), 141 (2008).
Derya Meral '08 and M. J. Stark, "Three Transient X-Ray Pulsars as a Test of Binary Accretion Theory," 211th Meeting of the American Astronomical Society, #03.04; Bulletin of the American Astronomical Society 39, 724 (2007).
A. Kortyna and V. Fiore '08, "Atomic beam determination of the cesium 7d 2Dj hyperfine structure using double-resonant fluorescence spectroscopy," 22nd International Symposium on Molecular Beams, Freiburg, Germany; 27 May -- 6 June 2007.
G. L. Hoffman, J. Irwin, K. Spekkens, M. Haynes, R. Giovanelli, A. Altaf '06, J. Goldstein '07, and I. Bah '06. "Driftscan Mapping of the ALFA Beams,"
NAIC EALFA memos (www.naic.edu/alfa/memos/ealfa/alfabeams.ps) 2006.
J. A. Ayala, A. Stilp, N. Patel, A. Altaf '06, J. Goldstein '07, C. Forsyth, M. Gillin,
B. Mahmood, J. Read, L. Vucic, B. Mullan, B. Walsh, S. Wortel, S. Stierwalt,
B. R. Kent, J. L. Alonso, T. J. Balonek, R. Giovanelli, M. P. Haynes, G. L. Hoffman,
R. A. Koopman, J. Marr, A. O'Donoghue, C. A. Pantoja, and J. J. Salzer,
"An Undergraduate Research Project within the ALFALFA Collaboration," Bulletin of the American Astronomical Society, 37(4), 179.21 (2006).
A. Kortyna, N. Masluk '06, and J. Farrar '07,
"Atomic beam measurements of the 7d 2Dj hyperfine structures," 37th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics of the American Physical Society, Knoxville, TN; May 16-24, 2006, G1-34; Bulletin of the American Physical Society 51(3), 40 (2006).
Michael C. Kaczmarczik '06 and M. J. Stark, "Doppler modulation of hydrogen-like iron emission from Cygnus X-3," 207th Meeting of the American Astronomical Society, #11.10; Bulletin of the American Astronomical Society 37, 1170 (2005).
Carolyn M. Heffner '06 and M. J. Stark, "Search for timing glitches in the non-burst emission from GRO J1744-28," 207th Meeting of the American Astronomical Society, #183.18; Bulletin of the American Astronomical Society 37, 1471 (2005).
A. Kortyna, N. Masluk '06, and T. Bragdon '04, "Two-photon, sub-Doppler hyperfine measurements of the 6d 2Dj states of cesium," 36th Annual Meeting of the Division of Atomic, Molecular, and Optical Physics of the American Physical Society, Lincoln, Nebraska; 17-21 May 2005, D6-8; Bulletin of the American Physical Society 50(3), 34 (2005).
Michael C. Kaczmarczik '06, M. J. Stark, and Malinda Saia '04, "Two distinct spectral states in KS 1947+300," 205th Meeting of the American Astronomical Society, #102.08; Bulletin of the American Astronomical Society 36, 1512 (2004).
Carolyn M. Heffner '06, M. J. Stark, A. Baykal, and J. H. Swank, "Orbital evolution of SAX J2103.5+4545," 205th Meeting of the American Astronomical Society, #102.07; Bulletin of the American Astronomical Society 36, 1512 (2004).
Malinda Saia '04 and M. J. Stark, "Comparing Torque and Luminosity in Transient X-ray Pulsars," 203rd Meeting of the American Astronomical Society, #53.04; Bulletin of the American Astronomical Society 35, 1292 (2003).
Malinda Saia '04 and M. J. Stark. "Doppler Shifts in the X-ray Spectrum of Cygnus X-3," 201st Meeting of the American Astronomical Society, #54.09; Bulletin of the American Astronomical Society 34, 1200 (2001).
G. L. Hoffman, B. Connell '98, N. Y. Lu, and E. E. Salpeter, "Dynamics of
the NGC 4532 / DDO 137 System," in Galactic Halos: A UC Santa Cruz
Workshop (ASP Conference Series Vol. 136), ed. D. Zaritsky, p. 268 (1998).