Scientific Commons: R. M. LEES

IR SPECTROSCOPY AT THE CANADIAN LIGHT SOURCE: THE $\nu_{11}$ FUNDAMENTAL AND $\nu_{16} + \nu_{18}$ - $\nu_{18}$ HOT BAND OF TRANS-ACROLEIN (2008)

Shi, Hong-Yu, Xu, Li-Hong, Lees, R. M., Tokaryk, D. W., McKellar, A. R. W., Appadoo, D. R. T.

Author Institution: Centre for Laser, Atomic and Molecular Sciences (CLAMS), Department of Physics, University of New Brunswick, Saint John, NB, Canada E2L 4L5; CLAMS, Department of Physics,...

GLOBAL MODELLING OF THE FIRST THREE TORSIONAL STATES OF METHANOL ($v_t$ = 0, 1, 2, $J_{max}$ = 30): CH$_{3}$OH AND CH$_3^{18}$OH (2007)

Fisher, Jonathan, Paciga, Gregory, Xu, Li-Hong, Lees, R.M., Hougen, Jon T., Pearson, John C., ...

Author Institution: Department of Physical Sciences and Centre for Laser, Atomic, and; Molecular Sciences, University of New Brunswick, Saint John, NB E2L 4L5,; Canada; Optical Technology Division,...

MEASUREMENTS OF N$_2$- AND O$_2$-PRESSURE-INDUCED BROADENING AND PRESSURE-INDUCED SHIFTS FOR $^{16}$O$^{12}$C$^{32}$S TRANSITIONS IN THE $\nu_3$ BAND (2005)

Koshelev, M.A., Tretyakov, M.Yu., Lees, R.M., Xu, Li-Hong

Author Institution: Institute of Applied Physics, Russian Academy of Sciences, Nizhnii Novgorod, Russia 603950; Department of Physical Sciences, University of New; Brunswick, Saint John, NB, Canada...

ECTDL SPECTRUM OF $^{15}$NH$_3$ IN THE 6370-6580 CM$^{-1}$ REGION OF THE $\nu_1 + \nu_3$ NH-STRETCHING COMBINATION BAND (2005)

Lees, R.M.

Author Institution: Department of Physical Sciences, University of New; Brunswick, Saint John, NB, Canada E2L 4L5

DIODE LASER PHOTOACOUSTIC DETECTION IN THE INFRARED AND NEAR INFRARED (2005)

Horká, Veronika, Civiš, S., Xu, Li-Hong, Lees, R. M.

Author Institution: J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, 18223 Prague 8, Czech Republic; Canadian Institute for Photonic Innovations...

SATURATION-DIP MEASUREMENTS IN THE $\nu_8$ C-O STRETCHING FUNDAMENTAL BAND OF METHANOL WITH A DUAL-MODE CO$_2$-LASER/MICROWAVE-SIDEBAND SPECTROMETER (2005)

Lees, R.M.

{Z.-D. Sun, R.M. Lees, L.-H. Xu, M.Yu. Tretyakov, and V.V. Dorovskikh, Rev. Sci. Instrum. {\bf{75{Z.-D. Sun, F. Matsushima, S. Tsunekawa, and K. Takagi, J. Opt. Soc. Am. B {\bf{17

LAMB-DIP OBSERVATIONS OF COMPACT Q-BRANCHES IN THE $11\mu m$ REGION FOR 1,3 BUTADIENE (2004)

Sun, Zhen-Dong, Xu, Li-Hong, Lees, R.M., Craig, Norman C.

(1) N.C. Craig, J.L. Davis, K.A. Hanson, M.C. Moore, K.J. Weidenbaum, M. Lock, J. Mol. Struct., 2004, in press. (2) Q. Shi, D.D. Nelson, J.B. McManus, M.S. Zahniser, C.N. Harward, Anal. Chem. 75,...

TORSION-VIBRATION, TORSION-ROTATION, AND VIBRATION-ROTATION INTERACTION CONSTANTS FOR $CH_{3}$OH FROM AB INITIO CALCULATIONS (2004)

Xu, Li-Hong, Hougen, Jon T., Lees, R. M.

$^{a}$L.-H. Xu, R.M. Lees, and J.T. Hougen, J. Chem. Phys. 110, 3835-3841 (1999). $^{b}$L.-H. Xu, J.T. Hougen, R.M. Lees, and M.A. Mekhtiev, J. Mol. Spectrosc. 214, 175-187 (2002).

ECTDL BROAD BAND $NH_{3}$ SPECTRA IN THE $1.5 {\mu}M$ REGION - A TEST CASE (2002)

Liu, Liza, Xu, Li-Hong, Lees, R.M., Tretyakov M.Y., Yakovlevb, I.

$^{a}$Visiting Scientist from Institute of Applied Physics, Nizhny Novgorod, Russia $^{b}$ Visiting Scientist from Institute of Applied Physics, Nizhny Novgorod, Russia

VARIATIONS IN TORSION-VIBRATION ENERGY STRUCTURE OF $CH_{3}$OH FROM FUNDAMENTAL, OVERTONE AND COMBINATION BANDS OF THE $CH_{3}$-ROCKING AND CO-STRETCHING MODES (2002)

Lees, R.M., Mollabashi, M., Xu, Li-Hong, Lock, Michael, Winnewisser, B.P.

$^{a}$J.T. Hougen. J. Mol Spectrosc. 207. 60-65 (2001).

A ROTATION-TORSION-VIBRATION 3-D INTERNAL COORDINATE TREATMENT FOR THE $CH_{3}$-BENDING FUNDAMENTALS OF METHANOL (2002)

Temsamani, Mohammed Abbouti, Xu, Li-Hong, Lees, R.M.

Author Institution: Department of Physical Sciences, University of New Brunswick

Microwave Spectra of Molecules of Astrophysical Interest. III. Methanol, (2002)

Lees, R. M., Lovas, F. J., Kirchhoff, W. H., Johnson, D. R.

The available data on the microwave spectrum of methanol are critically reviewed for information applicable to radio astronomy. Molecular data such as moments and product of inertia, torsional...

FOURIER TRANSFORM SPECTRA AND INVERTED TORSIONAL STRUCTURE FOR A $CH_{3}$-BENDING FUNDAMENTAL OF $CH_{3}OH$ (2000)

Lees, R. M., Xu, Li-Hong, Kristofferson, Anna K., Lock, Michael, Winnewisser, B. P., Johns, J. W. C.

Author Institution: Department of Physical Sciences, University of New Brunswick; Physikalisch-Chemisches lnstitut, Justus Liebig University; Steacie Institute for Molecular Sciences, National...

STARK SPECTROSCOPY OF $CH_{3}OD$ AND $CD_{3}OH$ USING THE DCN AND $H_{2}O$ LASERS (1999)

Jackson, M., Sudhakaran, G.R., Roland, N., Mukhopadhyay, I., Lees, R.M.

Author Institution: Department of Physics, State University of West Georgia; Department of Physics, University of Wisconsin; Laser Programme, Centre for Advanced Technology; Department of Physics,...

AB INITIO RESULTS ON COUPLING BETWEEN THE LARGE AMPLITUDE TORSION AND SMALL AMPLITUDE VIBRATIONS IN METHANOL (1999)

Xu, Li-Hong, Mekhtiev, Mirza A., Hougen, Jon T., Lees, R. M.

Author Institution: Department of Physical Sciences, University of New Brunswick; Optical Technology Division, National Institute of Standards and Technology; Department of Physics, University of New...

EXTENDED ASSIGNMENTS, VIBRATIONAL COUPLING, AND MODELING FOR THE C-O STRETCH BAND OF $CH_{3}OH$ (1999)

Lees, R.M., Xu, Hong

Author Institution: Department of Physics, University of New Brunswick; Department of Physical Sciences, University of New Brunswick

Microwave Spectra of Molecules of Astrophysical Interest. III. Methanol, (1998)

Lees,R. M., Lovas,F. J., Kirchhoff,W. H., Johnson,D. R.

The available data on the microwave spectrum of methanol are critically reviewed for information applicable to radio astronomy. Molecular data such as moments and product of inertia, torsional...

TORSIONAL MIXING AND FRACTIONATION IN THE FTIR SPECTRUM OF $CH_{3}OH$ FROM $1050-1450 CM^{-1}$ (1998)

Lees, R. M., Xu, Li-Hong, Johns, J. W. C.

Author Institution: Department of Physics, University of New Brunswick, Fredericton; Department of Physical Sciences, University of New Brunswick; Steacie Institute for Molecular Sciences, National...

FOURIER-TRANSFORM FAR-INFRARED SPECTRA OF $^{13}CD_{3}OH$ IN THE 10 TO $800 cm^{-1}$ RANGE: RITZ AND GLOBAL ANALYSIS (1998)

Xu, Li-Hong, Lees, R. M., Moruzzi, Giovanni, Johns, J. W. C., Winnewisser, B. P., Winnewisser, M.

Author Institution: Department of Physics, University of New Brunswick; Department of Physics, Dipartimento di Fisica dell'Universit\`{a} di Pisa; Steacie Institute for Molecular Sciences, National...

FAR-INFRARED LASER STARK SPECTROSCOPY OF METHANOL ISOTOPOMERS (1998)

Jackson, M., Sudhakaran, G.R., Silveira, A. Jr., Mukhopadhyay, I., Lees, R.M.

Author Institution: Department of Physics, University of Wisconsin; Department of Chemistry, SUNY at Oswego; Laser Programme, Centre for Advanced Technology; Department of Physics, University of New...

GLOBAL FIT FOR $CH_{3}OD$ AND THE QUESTION OF INTERPRETATION OF GLOBAL FIT PARAMETERS FOR METHANOL AND ITS ISOTOPOMERS (1998)

Walsh, Matthew S., Xu, Li-Hong, Lees, R.M.

Author Institution: Department of Physics, University of New Brunswick; Department of Physical Sciences, University of New Brunswick; Department of Physics, University of New Brunswick

ON THE ASSIGNMENT OF OPTICALLY PUMPED FAR-INFRARED LASER EMISSION FROM $CH_{3}OH$ (1998)

Lees, R.M., Xu, Li-Hong

Author Institution: Department of Physics, University of New Brunswick; Department of Physical Sciences, University of New Brunswick

FAR-INFRARED LASER STARK SPECTROSCOPY OF $^{13}CD_{3}OD$ (1997)

Jackson, M., Sudhakaran, G. R., Gansen, E., Mukhopadhyay, Indranath, Lees, R. M.

$^{m}$M. Jackson, G. R. Sudhakaran. E. Gansen, J. Mol. Spectrasc. 176, 439--441 (1996)

GLOBAL FIT OF TORSION-ROTATION TRANSITIONS OF $CD_{3}OH$ TO EXPERIMENTAL PRECISION (1997)

WALSH, MATTHEW S., LI-HONG, XU, LEES, R.M.

Author Institution: Department of Physics, University of New Brunswick; Department of Physical Sciences, University of New Brunswick; Department of Physics, University of New Brunswick, Fredericton

MILLIMETER-WAVE SPECTRA OF $CH_{3}$ OH AND $CH_{3}{^{18}OH$ (1997)

PREDOI-CROSS, A., WINNEWISSER, M., LICHAU, H., LI-HONG, XU, WALSH, M.S., LEES, R.M.

$^{a}$M.S. Walsh Li-Hong Xu and R.M. Lees, to be presented at this conference $^{b}$J. O. Henningsen J, Mol. Spectrosc. 85, 282-300 (1981)

TAU-CLUSTERING, ANOMALIES AND FORBIDDEN FEATURES IN THE $CH_{3}$-ROCKING AND OH-BENDING BANDS OF $CH_{3}OH$ (1997)

Lees, R. M., Xu, Li-Hong, Hurtmans, D., Lu, Z.

Author Institution: Centre for Laser Applications and Molecular Science (CLAMS), Department of Physics, University of Brunswick; CLAMS and Department of Physical Sciences, University of New...

MW AND FTFIR TRANSITIONS OF $^{13}CH_{3}OH$ REVISITED AND REVIEW OF MW SPECTRA OF $CH_{3}OH$ AND $^{13}CH_{3}OH$ OF ASTROPHYSICAL INTEREST (1996)

XU, LI-HONG, WALSH, M.S., LEES, R. M., LOVAS, F. J.

Author Institution: Department of Physical Sciences, University of New Brunswick; Department of Physics, University of New Brunswick; Radiometric Physics Division, National Institute of Standards and...

TORSION-VIBRATION INTERACTION IN THE $CH_{3}$-ROCKING AND OH-BENDING FUNDAMENTALS OF C-13 METHANOL (1996)

PREDOI, ADRIANA, LEES, R. M.

$^{a}$ A. Predoi, R.M. Lees. G. Mellau, and J.W.C. Johna, 50th Symp. On Mol. Spectorse., 1995, Paper RA12

FOURIER TRANSFORM INVESTIGATION AND "RITZ" ANALYSIS OF THE TORSION-ROTATION FAR-INFRARED SPECTRUM OF O-18 METHANOL. (1995)

Zhao, Saibei, Moruzzi, Giovanni, Lees, R. M., Goulding, R. R. J., Winnewisser, B. P., Johns, J. W. C.

Author Institution: University of New Brunswick, Fredericton, N. B., Canada E3B 5A3; Università di Pisa, Piazza Torricelli 2, I-56126 Pisa, Italy; Memorial University of Newfoundland, St. John's,...

HIGH RESOLUTION FTIR SPECTROSCOPY AND FIR LASER PREDICTIONS FOR THE CO-STRETCH BAND IN THE GROUND TORSIONAL STATE OF O-17 METHANOL (1995)

Predoi-Cross, Adriana, Lees, R. M., Young, C., Johns, J. W. C.

Author Institution: University of New Brunswick, Fredericton, N. B., Canada E3B 5A3; N. R. C., Ottawa, Ont., Canada KlA 0R6

THE TORSIONALLY-EXCITED $CH_{3}$-ROCKING BAND OF $CH_{3}OH$ - GATEWAY TO THE OH BEND? (1995)

Lees, R.M.

1. Saibei Zhao and R. M. Lees, J. Mol. Spectrosc. 168, 67-81 (1994). 2. A. Predoi, Li-Hong Xu, R. M. Lees, M. Noel, and J. W. C. Johns, 49th Symp. on Mol. Spectrosc., 1994, Paper FB11. 3. Adriana...

TORSION-VIBRATION INTERACTION IN THE $CH_{3}$-ROCKING AND OH-BENDING FUNDAMENTALS AND THE CO-STRETCH OVERTONE BAND OF $^{13}CH_{3}OH$ (1995)

Predoi-Cross, Adriana, Lees, R. M., Mellau, Georg C., Johns, J. W. C.

Author Institution: University of New Brunswick, Fredericton, N. B., Canada E3B 5A3; Justus-Liebig-Universität Giessen, W-6300 Giessen, Germany; N. R. C., Ottawa, Ont., Canada KlA 0R6

The Optically Pumped Far-Infrared Laser for Methanol Isotopomers and Acetaldehyde (1995)

Xu, Li-Hong, Vasconcellos, E. C. C., Zerbetto, S. C., Zink, L. R., Evenson, K. M., Lees, R. M.

Author Institution: National Institute of the Standards and Technology, Gaithersburg, MD 20899 U.S.A.; National Institute of the Standards and Technology, Boulder, CO 80303 U.S.A.; University of New...

FAR-INFRARED LASER STARK SPECTROSCOPY OF $^{13}CH_{3}OH$ (1995)

Jackson, M., Soller, B.J., Sudhakaran, G.R., Lees, R.M., Mukhopadhyay, Indranath

Author Institution: New Mexico State University, Las Cruces, N. M. 88003; University of Wisconsin, La Crosse, WI 54601; University of New Brunswick, Fredericton, New Brunswick, Canada E3B5A3; Centre...

FOURIER TRANSFORM SPECTROSCOPY AND FIR LASER EMISSION IN THE $CH_{3}$-ROCKING BAND OF C-13 METHANOL (1994)

Predoi-Cross, Adriana, Xu, Li-Hong, Lees, R. M., Noel, M., Johns, J. W. C.

Author Institution: CREMAID and Physics Department, University of New Brunswick; Molecular Physics Division, National Institute Standard and Technology; CREMAID and Physics Department, University of...

$CH_{3}^{18}OH$: A REVIEW OF FIR LASER LINE MEASUREMENTS AND ASSIGNMENTS (1994)

Zhao, Saibei, Lees, R. M., Goulding, R. R. J., Carelli, G., Ioli, N., Moretti, A., ...

Author Institution: CEMAID and Physics Department, University of New Brunswick; Department of Physics, Memorial University of Newfoundland; Dipartimento di Fesica dell University di Pisa, Piazza...

NEW FIR LASER EMISSIONS FOR METHANOL ISOTOPOMERS PUMPED WITH THE NEW BOULDER $CO_{2}$ LASER (1994)

Xu, Li-Hong, Lees, R. M., Vasconcellos, E. C. C., Evenson, K. M.

Author Institution: Molecular Physics Division, National Institute of Standards and Technology; CEMAID \& Physics Department, University of New Brunswick; Depto, de EletroGnica QuaGntica, Instituto...

AUTOMATED WAVENUMBER DETERMINATION FOR DIODE LASER SPECTRA (1994)

Xu, Li-Hong, Lees, R.M., Moruzzi, Giovanni

Author Institution: Molecular Physics Division, National Institute of Standards and Technology; CEMAID \& Physics Department, University of New Brunswick; Dipartimento di Fisica, dell'Univerisit\`{a}...

STARK SPECTROSCOPY USING THE WATER VAPOR LASER (1994)

Jackson, M., Sudhakaran, G. R., Lees, R. M., Mukhopadhyay, Indranath

Author Institution: Department of Physics, New Mexico State University; Department of Physics Department of Physics, SUNY at Oswego University of Wisconsin; Department of Physics, University of New...

New Torsional Information in the In-Plane Rocking State for $^{13}CD_{3}OH$ and FIR Laser Assignments (1993)

Xu, Li-Hong, Lees, R.M.

Author Institution: Physics Department, University of New Brunswick

FIR LASER STARK SPECTROSCOPY OF $CH_{3}^{18}OH$. (1992)

Jackson, M., Sudhakaran, G. R., Lees, R. M., Mukhopadhyay, Indranath

Author Institution: Department of Physics, SUNY at Oswego; Department of Chemistry, SUNY at Oswego; Department of Physics, University of New Brunswick; Department of Physics, Center for Advanced...

FTIR SPECTROSCOPY OF THE SYMMETRIC METHYL-DEFORMATION BAND OF $^{13}CD_{3}OH$ (1992)

Xu, Li-Hong, Lees, R. M., Johns, J. W. C.

Author Institution: CEMAID and Department of Physics, University of New Brunswick; Herzberg Institute of Astrophysics, National Research Council of Canada

FTIR SPECTROSCOPY AND FIR LASER ASSIGNMENTS FOR O-18 METHANOL (1992)

Zhao, Saibei, Lees, R. M., Goulding, R. R. J., Chan, C. P., Lewis-Bevan, W., Johns, J. W. C.

Author Institution: CEMAID and Department of Physics, University of New Brunswick; Dept. of Physics, Memorial University of Newfoundland; CEMAID and Dept. of Chemistry, University of B.C.; Department...

FTIR SPECTROSCOPY OF THE IN-PLANE METHYL-ROCKING BAND OF $^{13}CD_{3}OH$ (1992)

Xu, Li-Hong, Lees, R. M., Johns, J. W. C.

Author Institution: CEMAID and Department of Physics, University of New Brunswick; Herzberg Institute of Astrophysics, National Research Council of Canada

STARK SPECTROSCOPY OF $^{13}CD_{3}OH$ AND $CH_{3}OD$ WITH THE HCN LASER. (1991)

Sudhakaran, G. R., Lees, R. M., Bhattacharjee, R. L., Mukhopadhyay, Indranath

Author Institution: Department of Physics, SUNY at Oswego; Department of Physics, University of New Brunswick; Department of Chemsitry, University of Rochester; Center for Advanced Technology,...

MICROWAVE SPECTRUM OF 13CD3OH (1988)

Mukhopadhyay, I., Lees, R. M.

$^{1}$ H. Inguscio, K.M. Evenson, F.R. Petersen, F. Strumia and E.C.C. Vasconcellos, Int. J. Infrared and Millimeter Waves 5, 1289-1296 (1984).

ON THE ASSIGNMENT OF THE HIGH EFFICIENCY $127 \mu m$ FIR LASER LINE OF $^{13}CD_{3}0H$ AND OTHER $CH_{3}OH, CD_{3}OH$ AND $CD_{3}OD$ FIR LASER LINES (1987)

Mukhopadhyay, I., Mollabashi, M., Lewis-Bevan, W., Lees, R. M.

$^{(1)}$ M. Inguscio, K.M. Evenson, F.R. Petersen, F. Strumia, and E. Vasconcellos, Int. J. IR and MM Waves 5, 1289-1296 (1984).

ASSIGNMENT OF $CH_{3}OH$ FIR LASER LINES FROM NON-CO-STRETCH STATES (1987)

Mukhopadhyay, I., Mollabashi, M., Lewis-Bevan, W., Johns, J. W. C., Lees, R. M.

Author Institution: Department of Physics, University of New Brunswick; Department of Chemistry, University of British Columbia; Herzberg Institute of Astrophysics, National Research Council of Canada

REFILLING TRANSITIONS IN TEA-PUMPED METHANOL FIR LASERS (1986)

Mukhopadhyay, I., Lees, R. M., Johns, J. W. C.

Address of Mukhopadhyay and Lees: Department of Physics, University of New Brunswick, Frederiction, N.B., Canada E3B 5A3. Address of Johns: Herzberg Institute of Astrophysics, National Research...

HIGH RESOLUTION SPECTRUM OF THE C-O STRETCHING BAND OF C-13 METHANOL (1985)

MUKHOPADHYAY, I., LEWIS-BEVAN, W., LEES, R.M.

Author Institution: Department of Physics, University of New Brunswick; Department of Chemistry, University of British Columbia; Department of Physics, University of New Brunswick

INFRARED AND MILLIMETER SPECTRA OF METHYLAMINE (1985)

LEES, R.M., LEWIS-BEVAN, W., PITRE, J.S., NOBLE, T.J.

Author Institution: Department of Physics, University of New Brunswick; Department of Chemistry, University of British Columbia; Department of Physics, University of New Brunswick; Department of...

SOME MICROWAVE AND INFRARED OBSERVATIONS ON THE METHANOL C-O STRETCH STATE (1983)

Lees, R. M., McGhee, P., Goulding, R. R. J., Mukhopadhyay, Indranath

$^{1}$J. P. Sattler, W. A. Riessler and T. L. Worchesky, Infrared Phys. 19, 217-224 (1979). $^{2}$ J.O. Henningsen, J. Mol. Spectrosc. 85, 282-300 (1981). $^{*}$Visiting Scientist, Regional Laser...

FOURIER TRANSFORM INFRARED SPECTRUM OF METHYLAMINE FROM 50 - 125 $CM^{-1}$ (1983)

Malghani, M. S., Lees, R. M., Adsett, R. T.

Author Institution: Department of Physics, University of New Brunswick

R-BRANCH MICROWAVE SPECTRUM OF METHYLAMINE (1982)

Lees, R. M., Malghani, M. S., Mukhopadhyay, Indranath, McGhee, P., Johnson, Donald R., Lovas, F. J.

$^{1}$K. Takagi and T. Kojima, J. Phys, Soc. Japan 30, 1145 (1971).

MICROWAVE DOUBLE RESONANCE COLLISIONAL SPECTRA FOR OCS $J = 2\leftarrow 1$ FOUR-LEVEL SYSTEMS (1979)

MOHAMMADI, M.A., LEES, R.M.

$^{1}$T. Oka, Adv. At. Mol. Phys. 9. 127 (1973)

M-DEPENDENCE OF COLLISIONAL TRANSFER OF ROTATIONAL ENERGY IN OCS (1977)

LEES, R.M.

Author Institution: Department of Physics, University of New Brunswick