Publications

Since 2009

Publications Since 2009

  1. V. B Sovkov, J. Wu, J. Ma, F. Xie, A. M. Lyyra, and E. H. Ahmed, Modeling of diatomic predissociation resonances within the Optimizer project, Results in Physics, vol. 62, 107818 (2024) [link]
  2. J. T. Stahovich, B. A. Rowe, P. T. Arndt, A. D. Hersh, P. L. Wardach, J. P. Huennekens, V. B. Sovkov, A. M. Lyyra, and E. H. Ahmed, Experimental study of the 31Δg and 41Δg states of the Rb2 molecule, Physical Review A, 109, 012805, (2024) [link]
  3. P. T. Arndt, V. B. Sovkov, J. Ma, X. Pan, D. S. Beecher, J. Y. Tsai, R. Livinston, V. M. Marcune, A. M. Lyyra and E. H. Ahmed, Experimental study of the 33Πg and 43Σg+ states in Rubidium dimer, Physical Review A, 105, 032823, (2022) [link]
  4. P. T. Arndt, et al. “The Effect of Collisions on the Rotational Angular Momentum of Diatomic Molecules Studied Using Polarized Light.” The Journal of Chemical Physics , vol. 153, no. 18, 2020, p. 184310., doi:10.1063/5.0024380. (2020) [link]
  5. P. T. Arndt, V. B. Sovkov, J. Ma, X. Pan, D. S. Beecher, J. Y. Tsai, Y. Guan, A. M. Lyyra and E. H. Ahmed, Experimental study of the 61Σ+g state of the rubidium dimer Physical Review A, vol. 99 issue 5 (2019) [link]
  6. Aydin Sanli, Xinhua Pan, D. Samuel Beecher, Sylvie Magnier, A. Marjatta Lyyra, and Ergin H. Ahmed, Electronic Dipole Moment and Radiative Lifetime Calculations of Lithium Dimer Ion-Pair States Journal of Chemical Physics (2019) [link]
  7. P. T. Arndt, V. B. Sovkov, J. Ma, X. Pan, D. S. Beecher, J. Y. Tsai, Y. Guan, A. M. Lyyra and E. H. Ahmed, The Rb2 31Pig state: Observation and Analysis Journal of Chemical Physics, vol. 149 issue 22 (2018) [link]
  8. Sanli, A; Pan, XH; Magnier, S; Huennekens, J; Lyyra, AM, Ahmed, EH. Measurement of the Na2 51Σ+g→A1Σ+u and 61Σ+g→A1Σ+u transition dipole moments using optical-optical double resonance and Autler-Townes spectroscopy Journal of Chemical Physics, vol 147 issue 20 (2017) [link]
  9. Sovkov, VB; Xie, F; Lyyra, A. Marjatta; Ahmed, Ergin H; Ma, J; Jia, Suotang. Re-examination of the Cs2 ground singlet X1Σ+g and triplet a3Σ+u states, Journal of Chemical Physics, vol. 147 issue 10 (2017) [link] (PDF)
  10. Yang, JX; Zhao, W; Pan, XH; Wei, HM; Ma, J; Ahmed, EH; Lyyra, AM; and Dai, XC. Experimental study of the b3Π1u and 23Π1g states of 85Rb2, Journal of Molecular Spectroscopy, vol 336, 36-41 (2017) [link]
  11. Yang, Jx; Guan, YF; Zhao, W; Zhou, ZY; Han, XM; Ma, J; Sovkov, VB; Ahmed, EH; Lyyra, AM… Observations and analysis with the spline-based Rydberg-Klein-Rees approach for the 31Σ+g g state of Rb2, Journal of Chemical Physics vol. 144 issue 2 (2016) [link]
  12. Sanli, A; Beser, B; Edwardson, JR; Magnier, S; Ahmed, EH; Lyyra, AM. Electronic transition dipole moment and radiative lifetime calculations of sodium dimer ion-pair states. Journal of Chemical Physics vol. 143 issue 10 (2015) [link]
  13. Ahmed, EH; Pan, X; Huennekens, J; Lyyra, AM. Optical control of collisional population flow between molecular electronic states of different spin multiplicity. Physical Review A vol. 89 issue 6 (2014) [link]
  14. Han, X; Yang, J; Guan, Y; Zhou, Z; Zhao, W; Allouche, AR; Magnier, S; Ahmed, EH; Lyyra, AM; Dai, X. Observation of the 41Σ+g State of Rb2. Chemical Physics Letters vol. 601 pages 124-127. (2014) [link]
  15. Guan, Y; Han, x; Yang, J; Zhou, Z; Dai, X; Ahmed, EH; Lyyra, AM; Magnier, S; Ivanov, VS; Skublov, AS… Updated potential energy function of the Rb2 a3Σ+u state in the attractive and repulsive regions determined from its joint analysis with the 23Π0g state. Journal of Chemical Physics vol. 139 issue 14 (2013) [link]
  16. Ahmed, EH and Lyyra, AM. Frequency domain control of quantum state singlet/triplet character and prospects for an all-optical spin switch. Journal of Modern Optics vol. 61 issue 1 pages 7-12. (2014) [link]
  17. Li, D; Xie, F; Li, L; Ahmed, EH; Lyyra, AM. Collisional Line Assignments and Hyperfine Structure Interpretation in Cs2 23Δ1g State. Chinese Journal of Chemical Physics vol. 26 issue 1 pages 13-19 (2013) [link]
  18. Ahmed, EH; Ingram, S; Kirova, T; Salihoglu, O; Huennekens, J; Qi, J; Guan, Y; Lyyra, AM. Quantum Control of the Spin-Orbit Interaction Using the Autler-Townes Effect. Physical Review Letters vol. 107 issue 16 (2011) [link]
  19. Lazoudis, A; Kirova, T; Ahmed, EH; Qi, p; Huennekens, j; Lyyra, AM. Electromagnetically induced transparency in an open V-type molecular system. Physical Review A vol. 83 issue 6 (2011) [link]
  20. Xie, F; Li, L; Li, D; Sovkov, VB; Minaev, KV; Ivanov, VS; Lyyra, AM; Magnier, S. Joint analysis of the Cs2 a3Σ+u and 1g (33Π1g) states. Journal of Chemical Physics vol 135 issue 2 (2011) [link]
  21. Wolfe, CM; Ashman, S; Bai, J; Beser, B; Ahmed, EH; Lyyra, AM; Huennekens, J. Collisional transfer of population and orientation in NaK. Journal of Chemical Physics vol. 134 issue 17 (2011) [link]
  22. Bai, JM; Ahmed, EH; Beser, B; Guan, Y; Kotochigova, S; Lyyra, AM; Ashman, S; Wolfe, CM… Global analysis of data on the spin-orbit-coupled A1Σ+u and b3Πu states of Cs2. Physical Review A vol. 83 issue 3 (2011) [link]
  23. Lazoudis, A; Kirova, T; Ahmed, EH; Li, L; Qi, j; Lyyra, AM. Electromagnetically induced transparency in an open Lambda-type molecular lithium system. Physical Review A vol. 82 issue 2 (2010) [link]
  24. Beser, B; Sovkov, VB; Bai, J; Ahmed, EH; Tsai, CC; Xie, F; Li, L; Ivanov, VS; Lyyra, AM. Experimental investigation of the 85Rb2 a3Σ+u triplet ground state: Multiparameter Morse long range potential analysis. Journal of Chemical Physics vol. 131 issue 9 (2009) [link]
  25. H. Salami, T. Bergeman, B. Beser, J. Bai, E. Ahmed, S. Kotochigova, A. M. Lyyra, J. Huennekens, C. Lisdat, A. V. Stolyarov, O.Dulieu, P. Crozet, and Amanda J. Ross, Spectroscopic observations, spin-orbit functions, and coupled channels deperturbation analysis of data on the A1Σ+u and b3Πu states of Rb2 , Phys. Rev. A, 80, 022515, (2009) [link]
  26. E. H. Ahmed, Peng Qi and A. M. Lyyra, cw All-Optical Quadruple Resonance Spectroscopy: a Coherently Driven Five Level Molecular System Phys. Rev. A, 79, 062509, (2009). [link]
  27. F. Xie, V. B. Sovkov, A. M. Lyyra, D. Li, S. Ingram, V. S. Ivanov, S. Magnier and L. Li, Experimental Observation of the Cs2 a3Su+ Triplet Ground State: Multiparameter Morse Long Range Potential Analysis and Molecular Constants, ,J. Chem. Phys., 130, 051102, (2009).[link]
1999-2008

Publications 1999-2008

  1. A. Lazoudis, E. Ahmed, L. Li, T. Kirova, P. Qi, A. Hansson, J. Magnes and A. M. Lyyra, Experimental Observation of the Dependence of Autler-Townes Splitting on the Probe and Coupling Laser Wavenumber Ratio in Doppler Broadened Open Molecular Cascade Systems Phys. Rev. A, 78, 043405, (2008). [link]
  2. S. J. Sweeney, E. H. Ahmed, P. Qi, T.Kirova, A. M. Lyyra, and J. Huennekens, Measurement of absolute transition dipole moment functions of the 31Π → 1(X)1Σ+ and 31Π → 2(A)1Σ+ transitions in NaK using Autler-Townes spectroscopy and calibrated fluorescence J. Chem. Phys., 129 Article No. 154303, (2008) [link]
  3. O. Salihoglu, P. Qi, E. Ahmed, S, Kotochigova, S. Magnier and A. M. Lyyra, Comparison of Autler-Townes Splitting Based Absolute Measurements of the 7Li2 A1Σ+u → X1Σ+g Electronic Transition Dipole Moment with ab initio Theory, J. Chem. Phys., 129, Article No. 174301, (2008).[link]
  4. E. Ahmed, Peng Qi, B. Beser, J. Bai, R. W. Field, J. P. Huennekens and A. M. Lyyra, Experimental Mapping of the Absolute Magnitude of the Transition Dipole Moment Function, m(R), of the Na2 A1Σ+u → X1Σ+g, Physical Review A 77, Article No. 053414, (2008).[link]
  5. Feng Xie, Dan Li, Luke Tyree, Li Li, Vladimir B. Sovkov, Valery S. Ivanov, Sylvie Magnier and A. Marjatta Lyyra, Observation and Calculation of the Cs2 2 3Δ1g and b 3Π0u States, J. Chem. Phys., 128, Article No. 204313, (2008).[link]
  6. Peng Qi, Guenadiy Lazarov and A. Marjatta Lyyra, Improved Molecular constants for the low Vibrational Levels of the F(4)1Σ+g state of 7Li2, J. Mol. Spectrosc., 247, 184-186, (2008).[link]
  7. E. Ahmed and A. M. Lyyra, The Effect of Doppler Broadening on Autler-Townes Splitting in the Molecular Cascade Excitation Scheme, Physical Review A, 76, 053407, (2007).[link]
  8. D. Li, F. Xie, L. Li, A. Lazoudis and A. M. Lyyra, New Observation of the 6Li 7Li 3 3Σ+g, 13Πg, and 2 3Πg States and Molecular Constants with all 6Li2, 7Li2 and 6Li 7Li Data, J. Mol. Spectrosc., 246, 180-186, (2007)[link]
  9. P. Qi, J. Bai, E. Ahmed, A. M. Lyyra, S. Kotochigova, A. J. Ross, C. Effantin, P. Zalicki, J. Vigue, G. Chawla, R. W. Field, T. –J. Whang, W. C. Stwalley, L. Li and T. Bergeman, New Spectroscopic Data and Global Analysis of Data on the A and b States of Na2 , J. Chem. Phys., 127, 044301,pp. 1-17, (2007) [link]
  10. D. Li, F. Xie, L. Li, V. B, Sovkov, V. S. Ivanov, E. Ahmed , A. M. Lyyra, J. Huennekens and S. Magnier, The 39K2 2 3Σ+g State: Observation and Analysis, J. Chem. Phys., 126, 194314, (2007) [link]
  11. Jianbing Qi and A. Marjatta Lyyra, Electromagnetically Induced Transparency and Dark Fluorescence in a Cascade Three-Level Diatomic Lithium System, Phys. Rev. A 73, 043810 (2006) [link]
  12. P. Qi, A. M. Lyyra, Y. Liu, C. Cui, L. Li and G. –H. Jeung, The Na2 2 3Πg State: New Observations and Hyperfine Structure, J. Chem. Phys. 124, 184304 (2006) [link]
  13. E. Ahmed, A. Hansson, P. Qi, L. Li, T. Kirova, J. Qi, A. Lazoudis, S. Magnier, S. Kotochigova and A. M. Lyyra, Measurement of the Electronic Transition Dipole Moment by Autler Townes Splitting: Comparison of Three and Four Level Excitation Schemes for the Na2 A1Σ+u → X1Σ+g System J. Chem. Phys. 124, 084308 –1 to 13 (2006) [link]
  14. E. Ahmed, A. M. Lyyra, F. Xie, D. Li, Y. Chu, L. Li, V. S. Ivanov, V. B. Sovkov and S. Magnier, New Experimental Data on the K2 a3Σ+u State Analyzed with a Multi-Parameter Approach, J. Mol. Spectrosc. 234, 41-52 (2005) [link]
  15. L. Li, P. Qi, A. Lazoudis, E. Ahmed and A. M. Lyyra, Observation of Electromagnetically Induced Transparency in Two-Photon Transitions of K2, Chem. Phys. Lett. 403, 262-267 (2005) [link]
  16. Y. Chu, F. Xie, D. Li, L. Li, V. B. Sovkov, V. S. Ivanov and A. M. Lyyra, Experimental Study of the 39K2 2 3Πg State by Perturbation Facilitated Infrared-Infrared Double Resonance and two-Photon Excitation Spectroscopy, J. Chem. Phys. 122, 074302 (2005) [link]
  17. E. Ahmed, A. M. Lyyra, L. Li, V. S. Ivanov, V. B. Sovkov and S. Magnier, Revision of the K2 3 3Πg and 4 3Σ+g States: New Vibrational Numberings and New Potential Energy Functions, Journal of Molecular Spectroscopy, 229, 122-130 (2005) [link]
  18. P. Yi, M. Song, Y. Liu, R. W. Field, L. Li and A. M. Lyyra, Experimental Observation of Autler-Townes Splitting of the Na2 A1Σ+u → b3Πu Mixed Levels, Optics Communications, 233 (1-3): 131-138, (2004)[link]
  19. Y. Liu, L. Li, G. Lazarov, A. Lazoudis, A. M. Lyyra and R.W. Field, Hyperfine structures of the 2 3Σ,+g, 3 3Σ+g and 4 3Σ+g States of the Na2 Dimer, J. Chem. Phys.,121, 5821-5827, (2004) [link]
  20. J. Magnes, E. Ahmed, C. Goldberg, A. M. Lyyra, S. Magnier, M. Aubert-Frécon, Y. Liu and L. Li, Observation of the K2 4 3Πg State by cw Perturbation-Facilitated Optical-Optical Double Resonance Spectroscopy, J. Mol. Spectroscopy, 221, 72-79, (2003) [link]
  21. M. R. Manaa, A. J. Ross, F. Martin, P. Crozet, A. M. Lyyra, L. Li, C. Amiot and T. Bergeman, Spin-Orbit Interactions, New Spectral Data and Deperturbation of the Coupled b3Πu and A1Σ+u States of K2, J. Chem. Phys. 117 (24), 11208 (24) (2002) [link]
  22. X. Wang, F. Martin, J. Magnes, M. Lyyra, A. Ross, P. Dove, R. Le Roy, Born-Oppenheimer Breakdown in a Combined-Isotopomer Analysis of the A1Σ+u → X1Σ+g System of Li2 , J. Chem. Phys. 117 (20): 9339-9346, (2002) [link]
  23. L. Li, A. Lazoudis, P. Yi, Y. Liu, J. Huennekens, R. W. Field and A. M. Lyyra, Hyperfine Structure of the 13Πg, 23Πg, 33Σ+g States of 6Li7Li, J. Chem Phys., 116, 10704-10712, (2002) [link]
  24. J. Qi, F. C. Spano, T. Kirova, A. Lazoudis, J. Magnes, L. Li , L. M. Narducci, R. W. Field and A. M. Lyyra, Measurement of Transition Dipole Moments in Lithium Dimers Using Electromagnetically Induced Transparency, Phys. Rev. Letters 88, 173003, (2002) [link]
  25. V. S. Ivanov, V. B. Sovkov, N. Gallice, L. Li, Y. Liu, A. M. Lyyra and S. Magnier, Use of Bound-Free Structured Spectra in Determining RKR Potentials: The 43Πg State of Na2, J. Mol. Spectrosc. 209, 116-121, (2001) [link]
  26. P. Yi, M. Song, Y. Liu, A. M. Lyyra and L. Li, New Pair of A1Σ+u → b3Πu Mixed Levels in 6Li7Li, Chem. Phys. Lett 349, 426-430 (2002) [link]
  27. Y. Liu, B. Ji, A. S.-C. Cheung, W. C. Stwalley, R. W. Field, A. M. Lyyra, and Li Li,, The Hyperfine Structure of the 13Πg state of Na2, J. Chem. Phys., 115, 3647-3656 (2001) [link]
  28. L. Li, Y. Liu and A. M. Lyyra, Rydberg and Doubly Excited States of Na2 and Li2, J. Chin. Chem. Soc. (invited paper) 48, 291-299 (2001) [link]
  29. L. Li., X. Dai, Y. Liu, J. O. Clevenger, R. W. Field, G. –H. Jeung, N. Geum and A. M. Lyyra The Predissociation of the 13Σ –g State of 7Li2, J. Mol. Spectroscopy 205, 139-145 (2001) [link]
  30. A. M. Lyyra, J. Qi and F. C. Spano, Autler-Townes Splitting and ac Stark Shift: Prospects for All-Optical Alignment of Nonpolar Molecules, invited paper, Herzberg Memorial Issue of the Canadian Journal of Physics 79, 547-559 (2001) [link]
  31. J. Shang, J. Qi, L. Li and A. M. Lyyra, The perturbation between the G1Πg and 21Δg States of 7Li2, Journal of Molecular Spectroscopy 203, 255-263 (2000) [link]
  32. G. Lazarov, A. M. Lyyra, and L. Li, Enhanced Access to the Dark Triplet States of 7Li2 Through New Singlet-Triplet A3Σ+u → b3Πu Perturbation Window Levels; Perturbation Facilitated Optical-Optical Double Resonance Study of the 23Σ+g State, J. Mol. Spectroscopy, 205, 73-80 (2001) [link]
  33. V. S. Ivanov, V. B. Sovkov, L. Li, A. M. Lyyra and T.-J. Whang, Analysis of the Na2 23Σ+g (v=15, N=27 and v=5, N=39) a3Σ+u Continua: Potentials and Transition Moment Function, J. Chem. Phys. 114, 6077-6085 (2001) [link]
  34. L. Li, X. Wang, J. Yang, G. Lazarov and A. M. Lyyra, Comment on ‘Experimental Observation of Spontaneous Emission Cancellation in the Na2 Molecular System’ Phys. Rev. Lett. 84, 4016 (2000) [link]
  35. S. Antonova, G. Lazarov, K. Urbanski, A. M. Lyyra, L. Li, G. –H. Jeung, and W. C. Stwalley, Predissociation of the F(4)1Σ+g State of 7Li2, J. Chem. Phys. 112, 7080-7088 (2000) [link]
  36. R. Cote, A. Dalgarno, A. M. Lyyra and L. Li, Observation of a Shape Resonance in the State of 7Li2, Phys. Rev. A 60, 2063-2068 (1999) [link]
  37. J. Qi, G. Lazarov, X. Wang, L. Li, L. Narducci, A. M. Lyyra, and F. C. Spano, Autler-Townes Splitting in Molecular Lithium: Prospects for All-Optical Alignment of Nonpolar Molecules, Phys. Rev. Letters 83, 288-291 (1999) [link]
  38. L. Li, L. Yaoming, L. Jian, C. Dieyan, A. M. Lyyra, S. Antonova, and G. Lazarov, Predissociation of Na2 and Li2, J. Chem. Phys. 11, 509-512 (1998) [link]
  39. G. Lazarov, A. M. Lyyra, L. Li, and J. Huennekens, The 43Πg State of Na2: Vibrational Numbering and Hyperfine Structure, J. Mol. Spectroscopy, 196, 259-264 (1999) [link]
  40. C. Linton, F. Martin, A. J. Ross, I. Russier, P. Crozet, A. Yiannopoulou, L. Li and A. M. Lyyra, The High Lying Vibrational Levels and the Dissociation Energy of the a3Σ+u State of 7Li2, J. Mol. Spectroscopy, 196, 20-28 (1999) [link]
  41. H. Chen, L. Li, G. Lazarov, X. Wang, A. M. Lyyra, J. Huennekens, and R. W. Field, Rotational Pattern Difference in Resolved Fluorescence Spectra with Different Detection Schemes, J. Mol. Spectroscopy, 196,197-211 (1999) [link]
  42. V. S. Ivanov, V. B. Sovkov, L. Li, A. M. Lyyra, G. Lazarov and J. Huennekens, New Vibrational Numbering and Potential Energy Curve for the 33Πg Electronic State of the Li2 Molecule, J. Mol. Spectroscopy, 194, 147-155 (1999) [link]
  43. H. Chen, L. Li, G. Lazarov, X. Wang, A. M. Lyyra, J. Huennekens, and R. W. Field, Rotational Pattern Difference in Resolved Fluorescence Spectra with Different Detection Schemes, J. Mol. Spectroscopy, 196,197-211 (1999).
  44. C. Linton, F. Martin, A. J. Ross, I. Russier, P. Crozet, A. Yiannopoulou, L. Li and A. M. Lyyra, The High Lying Vibrational Levels and the Dissociation Energy of the a3Σ+u State of 7Li2, J. Mol. Spectroscopy, 196, 20-28 (1999).
1993-1998

Publications 1993-1998

  1. Wang XJ, Yang J, Qi JB, Lyyra AM, Precise molecular constants for the 6Li2 A1Σ+u → X1Σ+g system by sub-Doppler polarization spectroscopy, JOURNAL OF MOLECULAR SPECTROSCOPY, Vol. 191 issue 2, pp.295-305 (1998).
  2. Li L, Lazarov G, Lyyra AM, Predissociation of the 7Li2 23Σ+g state, JOURNAL OF MOLECULAR SPECTROSCOPY, vol.191 issue 2, pp.387-388 (1998).
  3. Urbanski K, Antonova S, Lyyra AM, Li L, Ji B, The G1Πg state of 7Li2 revisited: Observation and analysis of high vibrational levels, JOURNAL OF CHEMICAL PHYSICS, vol 109 issue 3, pp.912-918 (1998).
  4. Li L, Yiannopoulou A, Urbanski K, Lyyra AM, Ji B, Stwalley WC, An T, Hyperfine structures of the triplet states of 7Li2: Continous-wave perturbation-facilitated optical-optical double-resonance spectroscopy, JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 32 issue 3 pp.309-311 (1998).
  5. Liu Y, Li J, Gao H, Chen D, Li L, Field RW, Lyyra AM, Predissociation of the Na2 33Πg and other triplet states, JOURNAL OF CHEMICAL PHYSICS, vol. 108 issue 6, pp.2269-2276 (1998).
  6. Li L, Yiannopoulou A, Urbanski K, Lyyra AM, Ji B, Stwalley WC, An T, Hyperfine structures of the 7Li2, b3Πu, 23Πg, and 33Πg states: Continuous wave perturbation facilitated optical-optical double resonance spectroscopy, Journal of Chemical Physics, vol. 106 issue 20, pp.8626-8626 (1997).
  7. Antonova S, Urbanski K,Lyyra AM, Spano FC, Li L, State to state collision energy transfer in singlet states of Li2, CHEMICAL PHYSICS LETTERS, vol. 267 issue 1-2, pp.158-164 (1997).
  8. Li L, Antonova S, Yiannopoulou A, Urbanski K, Lyyra AM, State-to-state collision energy transfer of 7Li2 within high-lying triplet states: Gateway effect of mixed levels in energy transfer between singlet and triplet states, JOURNAL OF CHEMICAL PHYSICS, vol.105 issue 22 pp. 9859-9863 (1996)
  9. Li L, Yiannopoulou A, Urbanski K, Lyyra AM, Ji B, Stwalley WC, An T, Hyperfine structures of the 7Li2 b3Πu, 23Πg, and 33Πg states: Continuous wave perturbation facilitated optical-optical double resonance spectroscopy, JOURNAL OF CHEMICAL PHYSICS, vol. 105 issue 15, pp.6192-6199 (1996).
  10. Urbanski K, Antonova S, Yiannopoulou A, Lyyra AM, Li L, Stwalley WC, All optical triple resonance spectroscopy of the A 1Σ+u state of 7Li2, JOURNAL OF CHEMICAL PHYSICS, vol 104 issue 8, pp.2813-2817 (1996).
  11. Yiannopoulou A, Leininger T, Lyyra AM, Jeung GH, Theoretically calculated rovibronic transition spectra of KRb, INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, vol 57, issue 4, pp.575-585 (1996).
  12. Kim JT, Wang H, Tsai CC, Bahns JT, Stwalley WC, Jong G, Lyyra AM, OBSERVATION OF THE 43Σ+g, 33Πg, 23Δg, AND B3Πu, STATES OF 39K2 BY PERTURBATION FACILITATED OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPY , JOURNAL OF CHEMICAL PHYSICS, vol 103, issue 22 pp.9891-9891 (1995).
  13. Ji B, Tsai CC, Li L, Whang TJ, Lyyra AM, Wang H, Bahns JT, Stwalley WC, Leroy RJ, DETERMINATION OF THE LONG-RANGE POTENTIAL AND DISSOCIATION-ENERGY OF THE 13Δg STATE OF NA2, JOURNAL OF CHEMICAL PHYSICS, vol 103, issue 17 pp.7240-7254 (1995).
  14. Yiannopoulou A, Urbanski K, Antonova S, Lyyra AM,An T, Whang TJ, Ji B, Wang XT, Stwalley WC…THE 23Πg AND 33Πg STATES OF 7Li2 – OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPY AND AB-INITIO CALCULATIONS, JOURNAL OF CHEMICAL PHYSICS, vol. 103 issue 14 pp. 5898-5903 (1995).
  15. Yiannopoulou A, Urbanski K, Antonova S, Lyyra AM, Li L, An T, Ji B, Stwalley WCTHE 13Δg STATE OF 7Li2JOURNAL OF MOLECULAR SPECTROSCOPY vol 172, issue 2 pp.567-572 (1995).
  16. Kim JT, Wang H, Tsai CC, Bahns JT, Stwalley WC, Jong G, Lyyra AM,OBSERVATION OF THE 43Σ+g, 33Πg, 23Δg, AND B3Πu STATES OF 39K2 BY PERTURBATION FACILITATED OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPYJOURNAL OF CHEMICAL PHYSICS vol 102 issue 17 pp.6646-6652
  17. Yiannopoulou A, Urbanski K, Lyyra AM, Li L, Ji B, Bahns JT, Stwalley WC, PERTURBATION FACILITATED OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPY OF THE 23Σ+g, 33Σ+g, AND 43Σ+g RYDBERG STATES OF 7Li2JOURNAL OF CHEMICAL PHYSICS vol 102, issue 8, pp. 3024-3031
  18. Ji B, Kleiber PD, Stwalley WC, Yiannopoulou A, Lyyra AM, Julienne PS,QUANTUM STATE-SELECTED PHOTODISSOCIATION OF K2 B1Πu → X1Σ+g – A CASE STUDY OF FINAL-STATE ALIGNMENT IN ALL-OPTICAL MULTIPLE RESONANCE PHOTODISSOCIATION, JOURNAL OF CHEMICAL PHYSICS, vol.102 issue 6, pp.2440-2451 (1995)
  19. Yiannopoulou A, Ji B, Li L, Li M, Urbanski K, Lyyra AM, Stwalley WC, Jeung GH, THE DOUBLY-EXCITED 13Σ –g STATE OF 7Li2 JOURNAL OF CHEMICAL PHYSICS, vol 101 issue 5, pp.3581-3587 (1994).
  20. Ji B, Yiannopoulou A, Kleiber PD, Lyyra AM, Stwalley WC, FINAL-STATE ALIGNMENT FROM THE QUANTUM-STATE-SELECTED PHOTODISSOCIATION OF K2 BY ALL-OPTICAL TRIPLE-RESONANCE SPECTROSCOPY,PHYSICAL REVIEW Avol. 49 issue 3 pp. R1535-R1538 (1994)
  21. Ding LN, Kleiber PD, Young MA, Stwalley WC, Lyyra AM, PHOTODISSOCIATION SPECTROSCOPY OF MG2+ (1(2)SIGMA(U)(+)-1(2)SIGMA(G)(+)), PHYSICAL REVIEW A, vol 48 issue 3 pp.2024-2030 (1993).
  22. Tsai CC, Bahns JT, Whang Tj, Wang H, Stwalley WC, Lyyra AM,OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPY OF THE (1)SIGMA(G)+ SHELF STATES AND (1)PI(G) STATES OF NA2 USING AN ULTRASENSITIVE IONIZATION DETECTOR,PHYSICAL REVIEW LETTERS, vol 71 issue 8 pp.1152-1155 (1993)
  23. Whang TJ, Tsai CC, Stwalley WC, Lyyra AM, Li L,SPECTROSCOPIC STUDY OF THE NA2 2(3)SIGMA(G)+ STATE BY CW PERTURBATION-FACILITATED OPTICAL OPTICAL DOUBLE-RESONANCE SPECTROSCOPY, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 160 issue 2 pp.411-421 (1993).
  24. Li L, Zhu Q, Lyyra AM, Whang TJ, Stwalley WC, Field RW, Alexander MH, ROTATIONAL ENERGY-TRANSFER IN THE NA2B(3)PI(U) STATE – PROPENSITY RULES FOR ROTATION, SPIN-ORBIT COMPONENT, AND E/F-PARITY CHANGING COLLISIONS, JOURNAL OF CHEMICAL PHYSICS, vol 98 issue 11, pp. 8406-8412 (1993)
  25. Li L, Zhu Q, Lyyra AM, Whang TJ, Stwalley WC, Field RW, Alexander MH, ROTATIONAL ENERGY-TRANSFER IN THE NA2B(3)PI(U) STATE – PROPENSITY RULES FOR TRANSITIONS BETWEEN HYPERFINE COMPONENTS, JOURNAL OF CHEMICAL PHYSICS, vol 98 issue 11 pp.8413-8418 (1993).
  26. Ding LN, Young MA, Kleiber PD, Stwalley WC, Lyyra AM, PHOTOFRAGMENTATION SPECTROSCOPY OF MGD2+, JOURNAL OF PHYSICAL CHEMISTRY, vol 97 issue 10 pp.2181-2185 (1993).
  27. Whang TJ, Stwalley WC, Li L, Lyyra AM, THE NA2 4(3)SIGMA-G+ STATE, JOURNAL OF MOLECULAR SPECTROSCOPY vol 157 issue 2 pp.544-547 (1993)
1981-1992

Publications 1981-1992

  1. Li L, Zhu QS, Lyyra AM, Whang TJ, Stwalley WC, Field RW, Alexander MH, COLLISION-INDUCED TRANSITIONS BETWEEN A 1-SIGMA-U+ AND B 3-PI-U STATES OF NA-2 – THE GATEWAY EFFECT OF PERTURBED LEVELS, JOURNAL OF CHEMICAL PHYSICS, vol 97 issue 12 pp. 8835-8841 (1992).
  2. Whang TJ, Stwalley WC, Li L, Lyyra AM, PERTURBATION-FACILITATED ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY OF THE NA2 B 3-PI-U STATE, JOURNAL OF CHEMICAL PHYSICS, vol 97 issue 10 pp.7211-7219 (1992).
  3. Jong G, Li L, Whang TJ, Stwalley WC, Coxon JA, Li MG, Lyyra AM, CW ALL-OPTICAL TRIPLE-RESONANCE SPECTROSCOPY OF K2 – DEPERTURBATION ANALYSIS OF THE A1-SIGMA-U+ (UPSILON LESS-THAN-OR-EQUAL-TO 12) AND B3-PI-U (13 LESS-THAN-OR-EQUAL-TO UPSILON LESS-THAN-OR-EQUAL-TO 24) STATES, JOURNAL OF MOLECULAR SPECTROSCOPY, vol. 155 issue 1 pp.115-135 (1992)
  4. Whang TJ, Stwalley WC, Lyyra AM, OBSERVATIONS OF THE 3(3D)3 SIGMA-G+ STATE OF NA2, JOURNAL OF MOLECULAR SPECTROSCOPY, , vol 115, issue 1 pp.184-194 (1992)
  5. Jong G, Wang H, Tsai CC, Stwalley WC, Lyyra AM, THE STUDY OF THE K-39(2) RYDBERG 1-DELTA-G STATES BY CW OPTICAL OPTICAL DOUBLE-RESONANCE SPECTROSCOPY, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 154, issue 2 pp.324-344 (1992).
  6. Wang H, Stwalley WC, Lyyra AM, ASSIGNMENT OF THE DIABATIC AND ADIABATIC ATOMIC ASYMPTOTIC LIMITS OF K2 RYDBERG STATES, JOURNAL OF CHEMICAL PHYSICS, vol 96 issue 11, pp.7965-7972 (1992).
  7. Li L, An T, Whang TJ, Lyyra Am, Stwalley WC, Field RW, Bernheim RA, HYPERFINE SPLITTING OF THE 1 3-DELTA-G RYDBERG STATE OF 7Li2, JOURNAL OF CHEMICAL PHYSICS, vol 96, issue 4 pp.3342-3343 (1992).
  8. Wang JX, Wang H, Kleiber PD, Lyyra AM, Stwalley WC, STATE-SELECTED PHOTODISSOCIATION OF THE B1-PI-U STATE OF K2 BY ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY, JOURNAL OF PHYSICAL CHEMISTRY, vol 95, issue 21 pp.8040-8044 (1991).
  9. Whang TJ, Lyyra AM, Stwalley WC, Li L, THE NA2 2(3)DELTA-G STATE – CW PERTURBATION-FACILITATED OPTICAL OPTICAL DOUBLE-RESONANCE SPECTROSCOPY, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 149 issue 2 pp. 505-511 (1991).
  10. Lyyra AM, Wang H, Whang TJ, Stwalley WC, Li L, CW ALL-OPTICAL TRIPLE RESONANCE SPECTROSCOPY, PHYSICAL REVIEW LETTERS, vol 66 issue 21 pp. 2724-2727 (1991).
  11. Li L, Lyyra AM, Wang H, Stwalley WC, HIGHLY STATE-SELECTIVE COLLISIONAL ENERGY-TRANSFER BETWEEN 1-DELTA-G AND 1-SIGMA-G+ RYDBERG STATES IN K2, CHEMICAL PHYSICS LETTERS, vol 179 issue 5-6 pp. 417-421 (1991).
  12. Li L, Lyyra AM, Stwalley WC, Li M, Field RWTHE NA2 41-SIGMA-G+ APPROXIMATELY 23-PI-G APPROXIMATELY 13-DELTA-G TRIPLE PERTURBATION – DEPERTURBATION OF THE (V-SIGMA, V-PI, V-DELTA = (6, 2, 7) AND (7, 3, 8) INTERACTIONS, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 147 issue 1 pp. 215-228 (1991).
  13. Wang H, Whang TJ, Lyyra AM, Li L, Stwalley WC, STUDY OF THE 4 1-SIGMA-G+ SHELF STATE OF NA-2 BY OPTICAL-OPTICAL DOUBLE-RESONANCE SPECTROSCOPY, JOURNAL OF CHEMICAL PHYSICS, vol 94, issue 7 pp.4756-4764 (1991).
  14. Stwalley WC, Kleiber PD, Sando KM, Lyyra AM, Ananthamurthy S, Bililign S, He W, Wang JX, Zafiropulos V, METAL METAL AND METAL HYDROGEN REACTIVE TRANSITION-STATES , FARADAY DISCUSSIONS, vol 91 pp.97-110 (1991).
  15. Whang TJ, Wang H, Lyyra AM, Li L, Stwalley WC, OPTICAL OPTICAL DOUBLE-RESONANCE SPECTROSCOPY OF THE NA2 21-PI-G STATE, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 145 issue 1, pp.112-122 (1991).
  16. Li L, Lyyra AM, Luh WT, Stwalley WC, OBSERVATION OF THE K-39(2) A 3-SIGMA-U+ STATE BY PERTURBATION FACILITATED OPTICAL OPTICAL DOUBLE-RESONANCE RESOLVED FLUORESCENCE SPECTROSCOPY, JOURNAL OF CHEMICAL PHYSICS, vol 93 issue 12 pp.8452-8463 (1990).
  17. Masters M, Huennekens J, Luh WT, Li L, Lyyra AM, Sando K, Zafiropulos V, Stwalley Wc, BOUND-FREE 13-PI-]1-3-SIGMA+ EMISSION FROM THE NAK MOLECULE – DETERMINATION OF THE 1 3-SIGMA+ REPULSIVE WALL ABOVE THE DISSOCIATION LIMIT, JOURNAL OF CHEMICAL PHYSICS, vol 92 issue 10 pp.5801-5813 (1990).
  18. Lyyra AM, Luh WT, Li L, Wang H, Stwalley WC, THE A1-SIGMA-U+ STATE OF THE POTASSIUM DIMER, JOURNAL OF CHEMICAL PHYSICS, vol 92 issue 1 pp.43-50 (1990).
  19. Wang H, Li L, Lyyra AM, Stwalley WC, CW OPTICAL – OPTICAL DOUBLE-RESONANCE EXCITATIONS OF K-39(2) RYDBERG STATES, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 137 issue 2 pp.304-311 (1989).
  20. Pichler G, Lyyra AM, Kleiber PD, Stwalley WC, Hammer R, Sando KM, Michels HH, LASER-INDUCED CHEMI-LUMINESCENCE OF THE LIMG EXCIMER, CHEMICAL PHYSICS LETTERS, vol 156 issue 5 pp.467-471 (1989).
  21. Li L, Lyyra AM, Stwalley WC, ABSOLUTE VIBRATIONAL NUMBERING AND MOLECULAR-CONSTANTS OF THE NA2 1-3-DELTA-G STATE, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 134, issue 1 pp.113-118 (1989).
  22. Xie XB, Field RW, Li L, Lyyra AM, Bahns JT, Stwalley WC, ABSOLUTE VIBRATIONAL NUMBERING AND MOLECULAR-CONSTANTS OF THE NA2 2-3-PI-G STATE, JOURNAL OF MOLECULAR SPECTROSCOPY,vol 134 issue 1, pp. 119-128 (1989).
  23. Zafiropulos V, Kleiber PD, Sando KM, Zeng X, Lyyra AM, Stwalley WC, ENERGY-DEPENDENT PHOTODISSOCIATION DYNAMICS PROBED BY FLUORESCENCE POLARIZATION, PHYSICAL REVIEW LETTERS, vol 61 issue 13 pp.1485-1488 (1988).
  24. Luh WT, Kleiber PD, Lyyra AM, Stwalley WC, Lin KC, LASER-INDUCED FLUORESCENCE OF THE B1-PI-X1-SIGMA+ BAND SYSTEM OF THE ISOTOPIC LITHIUM HYDRIDES , JOURNAL OF MOLECULAR SPECTROSCOPY, vol 129 issue 2 pp. 388-394 (1988).
  25. Luh WT, Sando KM, Lyyra AM, Stwalley WC, FREE BOUND FREE RESONANCE FLUORESCENCE IN THE K2 YELLOW DIFFUSE BAND – THEORY AND EXPERIMENT, CHEMICAL PHYSICS LETTERS, vol 144 issue 3 pp. 221-225 (1988).
  26. Luh WT, Bahns JT, Lyyra AM, Sando KM, Kleiber PD, Stwalley PD, DIRECT EXCITATION STUDIES OF THE DIFFUSE BANDS OF ALKALI-METAL DIMERS, JOURNAL OF CHEMICAL PHYSICS, vol 88 issue 4 pp.2235-2241 (1988).
  27. Lyyra AM, Sando KM, Kleiber PD, COMPARISON OF THE COLLISIONAL REDISTRIBUTION PROFILES FOR MGHE AND MGH2, PHYSICAL REVIEW A, vol 35 issue 2 pp.915-917 (1987).
  28. Kleiber PD, Lyyra AM, Sando KM, Zafiropulos V, Stwalley WC, REACTIVE COLLISION DYNAMICS BY FAR WING LASER SCATTERING – MG + H2, JOURNAL OF CHEMICAL PHYSICS, vol 85 issue 10 pp.5493-5504 (1986).
  29. Kleiber PD, Lyyra AM, Heneghan SP, Stwalley WC, STIMULATED-EMISSION IN LASER-PUMPED MAGNESIUM VAPOR, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, vol 2 issue 4 pp.522-526 (1985).
  30. Kleiber PD, Lyyra AM, Sando KM, Heneghan SP, Stwalley WC, FAR-WING ABSORPTION PROFILES OF A REACTIVE COLLISION – MG + H2, PHYSICAL REVIEW LETTERS, vol 54, issue 18 pp.2003-2006 (1985).
  31. Cheung ASC, Lyyra AM, Merer AJ, Taylor AW, LASER SPECTROSCOPY OF FEO – ROTATIONAL ANALYSIS OF SOME SUBBANDS OF THE ORANGE SYSTEM, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 102 issue 1 pp. 224-257 (1983).
  32. Cheung ASC, Lee N, Lyyra AM, Merer AJ, Taylor AW, SPECTROSCOPIC PROPERTIES OF THE 5-DELTA-I GROUND-STATE OF FEO, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 95 issue 1 pp.213-225 (1982).
  33. Cheung ASC, Hansen RC, Lyyra AM, Merer AJ, A NOVEL ELECTRONIC-HYPERFINE PERTURBATION IN THE C-4-SIGMA- STATE OF VO, JOURNAL OF MOLECULAR SPECTROSCOPY, vol 86, issue 2 pp.526-533 (1981).
1974-1980

Publications 1974-1980

  1. T. A. Carlson, J. Copley, N. Duric, N. Elander, P. Erman, M. Larson and M. Lyyra, “The Oscillator Strengths and the Dissociation Energy of SiH+ as Determined from Time Resolved Precision Spectroscopy”, Astronomy and Astrophysics 83, 238-244 (1980)
  2. M. Lyyra and P. R. Bunker, “The Potential Energy Curve of the B1Pu State of Na2”, Chem. Phys Lett. 61, 67-68 (1979).
  3. O. Appelblad, A. Lagerqvist and M. Lyyra, “The Spectrum of Cu0: Rotational Analysis of a band at 4182 Å”, Physica Scripta 20, 93-97 (1979).
  4. J. Brzozowski, P. Erman and M. Lyyra, “Precision Estimates of the Predissociation Rates of the OH A2S+ State (v £ 2)”, Physics Scripta 17, 507-511 (1978).
  5. O. Appelblad, A. Lagerqvist and M. Lyyra, “The Spectrum of Cu0: Rotational Analysis of a 4S1/2 ® 2P1/2 Transition”, Physics Scripta 18, 137-140 (1978).
  6. J. Brzozowski, P. Erman, M. Lyyra and W. M. Hayden-Smith, “Radiative Lifetimes of Resonance Levels in FeI and FeII”, Physica Scripta 14, 48-50 (1976).
  7. J. Brzozowski, P. Erman and M. Lyyra, “Predissociation Rates and Perturbations of the A, B, B’, C, D and F States in NO Studied Using Time Resolved Spectroscopy”, Physics Scripta 14, 290-297 (1976).
  8. M. Lyyra, J. Rasanen and F. Stenman, “Raman Scattering from Pyrene”, Physica Fennica 10, 191-197 (1975).
  9. P. Erman, M. Lyyra and I. Martinson, “High Resolution Measurements of the z5F0 and y5F0 Lifetimes in Neutral Iron”, Phys. Lett. 49A, 41-42 (1974).
  10. J. Brzozowski, N. Elander, P. Erman and M. Lyyra, “Lifetimes of the Excited Levels in Some Important Ion-Molecules”, Physica Scripta 10, 241-243 (1974).
  11. J. Brzozowski, N. Elander, P. Erman and M. Lyyra, “On the Interstellar Abundance of the CH+ Radical”, Astrophys. J 193, 741-745 (1974).