Physics

Physics 480 Experimental Methods
Physics 420 Quantum Mechanics I
Physics 421 Quantum Mechanics II
Physics 330 Thermodynamics
Physics 311 Electricity and Magnetism II
Physics 310 Electricity and Magnetism I
Physics 250 Analytical Mechanics
Physics 240 Electronics
Physics 210 Modern Physics
Physics 121 General Physics II (calculus-based)
Physics 120 General Physics I (calculus-based)
Physics 111 Introductory physics II (algebra-based)
Physics 110 Introductory physics I (algebra-based)
Physics 106 Light, Sound, and Waves

“A Simple, Inexpensive Acoustic Levitation Apparatus,” R.S. Schappe and C. Barbosa,* The Physics Teacher, 55, 6 (2017).

“Emission cross sections for electron impact on Cl_2,“R.S. Schappe and K. Wendt, Phys. Rev. A, 76, 2007, p 022707.

“Cross sections for OH transitions due to electron impact on water molecules,” R.S. Schappe and E. Urban,* Phys. Rev. A 73, 2006, p 052702.

“Methods of measuring electron-atom collision cross sections with an atom trap,” R.S. Schappe, M.L. Keeler, T.A. Zimmerman, M Larsen, P. Feng, R.C. Nesnidal, J.B. Boffard, T.G. Walker, L.W. Anderson, C.C. Lin, Adv. At. Mol. Opt. Phys. 48, 2002, p 357.

“Electron-impact excitation of nitric oxide (A ²S+  - X ²P),” R.S. Schappe, R.J. Edgell, and E. Urban. Phys. Rev. A. 65, 2002, p 42701.

“Measurement of the electron-impact excitation into the 3p54p levels of argon using Fourier-transform spectroscopy,” J.E. Chilton, J.B. Boffard, R.S. Schappe, and C.C. Lin, Phys. Rev. A 57, 1998, p 267.

“Excitation of the Second Positive Band System (C ³P_u - B ³P_g) of the Nitrogen Molecule,” J.T. Fons, R.S. Schappe, and C.C. Lin, Phys. Rev. A 53, 1996, p 2239.

“Measurements of the Total Ionization Cross Section of Rb Using a Magneto-Optical Trap,” R. S. Schappe, T. Walker, L.W. Anderson, and C.C. Lin, Phys. Rev. Lett. 76, 1996, p 4328.

“Electron Collision Cross Sections Measured with the Use of a Magneto-Optical Trap,” R.S. Schappe, P. Feng, C.C. Lin, L.W. Anderson, and T. Walker, Europhys. Lett. 29, 1995, p 439.

“Measurements of Cross Sections for Electron-impact Excitation into the Metastable Levels of Argon and Number Densities of Metastable Argon Atoms,” R.S. Schappe, M.B. Schulman, L.W. Anderson, and C.C. Lin, Phys. Rev. A. 50, 1994, p 444.

“Production of Electronically Excited N₂⁺ Ions by Electron Impact on N2 Molecules,” J.T. Fons, J.S. Allen, R.S. Schappe, and C. C. Lin, Phys. Rev. A 49, 1994, p 927.

“Emission of the O₂⁺ (A²P_u - X²P_g) Second-negative Band System Produced by Electron Impact on O2,” R.S. Schappe, M.B. Schulman, F.A. Sharpton, and C.C. Lin, Phys. Rev. A 38, 1988, p 4537.

“Chromatin fibers are left-handed double helices with diameter and mass per unit length that depend on linker length,” S. P. Williams, B.D. Athey, L.J. Muglia, R.S. Schappe, A.H. Gough, and J.P. Langmore, Biophys. J. 49, 1986, p 233.

“Electron Excitation and Ionization of the Chlorine Molecule,” Gaseous Electronics Conference, Columbus, OH, Bull. of the Am. Phys. Soc. 51, 17 (2006).

“Electron impact excitation of molecules,” Sigma Xi national meeting, Galveston, TX, 15-17 November 2002.

“Electron-impact excitation of the CO molecule,” paper M5 35, DAMOP Meeting of the American Physical Society, London, Ontario, Canada, Bull. of the Am. Phys. Soc. 46, 67 (2001).

“Electron-impact Excitation of Nitric Oxide,” paper ETP1 2, Gaseous Electronics Conference, Norfolk, VA, Bull. Am. Phys. Soc. 44, 19 (1999).

“Electron-impact Excitation of Nitric Oxide,” paper DMP1 11, Gaseous Electronics Conference, Madison, WI, Bull. of the Am. Phys. Soc. 42, 1710 (1997).

“Measuring Electron-Collision Cross Sections Using Magneto-Optical Traps,” paper DD2, Meeting of the Southeastern Section of the American Physical Society, Tallahassee, FL, Bull. of the Am. Phys. Soc. 40, 2070 (1995).

“Measurements of Absolute Scattering and Ionization Cross Sections Using Optically Trapped Atoms,” paper FC1, DAMOP Meeting of the American Physical Society, Toronto, Ontario, Bull. of the Am. Phys. Soc. 40, 1328 (1995).

“Measurement of Electron-Impact Excitation of Argon by Fourier Transform Spectroscopy,” paper TP52, DAMOP Meeting of the American Physical Society, Toronto, Ontario, Bull. of the Am. Phys. Soc. 40, 1318 (1995).

“Optical Emission Cross Sections for Electron Impact Excitation of the Second Positive Band System (C ³P_u - B ³P_g) of the Nitrogen Molecule,” paper TP62, DAMOP Meeting of the American Physical Society, Toronto, Ontario, Bull. of the Am. Phys. Soc. 40, 1320 (1995).

“Electron Collisions with Cold Trapped Atoms: A New Method for Measuring Cross Sections,” paper AB-5, Gaseous Electronics Conference, Gaithersburg, MD, Bull. of the Am. Phys. Soc. 39, 1446 (1994).

“Measurements of Absolute Total Electron Scattering Cross Sections using Laser-Cooled Atoms,” paper DB-3, Gaseous Electronics Conference, Gaithersburg, MD, Bull. of the Am. Phys. Soc. 39, 1455 (1994).

“Electron-Impact Excitation of the Second Positive Band System (C ³P_u - B ³P_g) of the Nitrogen Molecule,” paper LD-6, Gaseous Electronics Conference, Gaithersburg, MD, Bull. of the Am. Phys. Soc. 39, 1482 (1994).

“Measurement of Electron Excitation Cross Section of the First Positive Band System (B³P_g - A ³S_u⁺) of the Nitrogen Molecule by Fourier Transform Spectroscopy,” paper LD-7, Gaseous Electronics Conference, Gaithersburg, MD, Bull. of the Am. Phys. Soc. 39, 1482 (1994).

“Electron Excitation Cross Sections into the Metastable Levels and Densities of Metastables of Argon and Krypton Atoms,” paper D’12-59, Meeting of the American Physical Society, Crystal City, VA, Bull. of the Am. Phys. Soc. 39, 1070 (1994).

“Measurements of Metastable Argon Atoms Produced by Electron Impact,” paper ME-90, DAMOP Meeting of the American Physical Society, Reno, NV, Bull. of the Am. Phys. Soc. 38, 1104 (1993).

“Electron Excitation of the 1s₅ Metastable Level of Ar,” paper K-23, Gaseous Electronics Conference, Champaign-Urbana, IL, Bull. of the Am. Phys. Soc. 36, (1991).

“Emission of Radiation Produced by Electron-Beam Excitation of Atomic Gas,” paper GA-3, Gaseous Electronics Conference, Atlanta, GA, Bull. of the Am. Phys. Soc. 33, 137 (1988).

“Electron Excitation of the Second Negative Band System of the Oxygen Molecule,” paper GA-5, Gaseous Electronics Conference, Madison, WI, Bull. of the Am. Phys. Soc. 32, 1156 (1987).

1998 Research Corporation Grant, “Measuring absolute molecular electron-impact cross sections and lifetimes of nitric oxide,” $29,400.

2001 LFC Academic Innovations Group award, “Teaching using a Personal Response System,” $4900.