Professor Michael N R Ashfold

B.Sc., Ph.D.(Birm.), C.Chem., F.R.S.C., F.Inst.P., FRS

  • BS8 1TS

1977 …2020

Research output per year

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Research Output

1990

Resonance-enhanced multiphoton ionisation of vibrational state selected NH3 molecules: A reinvestigation

Ashfold, M. N. R., Stickland, R. J. & Western, C. M., 1 Dec 1990, In : Journal of the Chemical Society, Faraday Transactions. 86, 17, p. 2921-2925 5 p.

Research output: Contribution to journalArticle (Academic Journal)

7 Citations (Scopus)

RESONANCE-ENHANCED MULTIPHOTON IONIZATION OF VIBRATIONAL-STATE SELECTED NH3 MOLECULES - A REINVESTIGATION

ALLEN, JM., Ashfold, M. N. R., STICKLAND, RJ. & WESTERN, CM., 7 Sep 1990, In : Journal of the Chemical Society, Faraday Transactions. 86, 17, p. 2921-2925 5 p.

Research output: Contribution to journalArticle (Academic Journal)

STEREOCHEMICAL AND ANGULAR-MOMENTUM CONSTRAINTS IN THE PHOTODISSOCIATION OF AMMONIA

Ashfold, M. N. R., DIXON, RN., IRVING, SJ., KOEPPE, HM., MEIER, W., NIGHTINGALE, JR., SCHNIEDER, L. & WELGE, KH., 15 Aug 1990, In : Philosophical Transactions of the Royal Society A: Physical and Engineering Sciences. 332, 1625, p. 375-386 12 p.

Research output: Contribution to journalArticle (Academic Journal)

1989

RYDBERG STATES OF THE SH(SD) RADICAL REVEALED BY MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., TUTCHER, B. & WESTERN, CM., 10 Apr 1989, In : Molecular Physics. 66, 5, p. 981-991 11 p.

Research output: Contribution to journalArticle (Academic Journal)

15 Citations (Scopus)

STATE SELECTIVE PHOTODISSOCIATION DYNAMICS OF A STATE AMMONIA .2.

BIESNER, J., SCHNIEDER, L., AHLERS, G., XIE, XX., WELGE, KH., Ashfold, M. N. R. & DIXON, RN., 1 Sep 1989, In : Journal of Chemical Physics. 91, 5, p. 2901-2911 11 p.

Research output: Contribution to journalArticle (Academic Journal)

139 Citations (Scopus)
1988

DOUBLE-RESONANCE MULTIPHOTON IONIZATION STUDIES OF FRANCK-CONDON DISFAVORED VIBRONIC LEVELS OF THE B AND C' RYDBERG STATES OF AMMONIA

ALLEN, JM., Ashfold, M. N. R., BENNETT, CL. & WESTERN, CM., 5 Aug 1988, In : Chemical Physics Letters. 149, 1, p. 1-9 9 p.

Research output: Contribution to journalArticle (Academic Journal)

MULTIPHOTON IONIZATION SPECTROSCOPY OF PHOSPHINE

Ashfold, M. N. R., STICKLAND, RJ. & TUTCHER, B., 20 Dec 1988, In : Molecular Physics. 65, 6, p. 1455-1471 17 p.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

MULTIPHOTON PROCESSES IN MOLECULAR GASES

Ashfold, M. N. R. & PRINCE, JD., 1988, In : Contemporary Physics. 29, 2, p. 125-157 33 p.

Research output: Contribution to journalReview article (Academic Journal)

Rydberg States of Ketene Revealed by Multiphoton Ionization Spectroscopy

Ashfold, M. N. R., COUCH, AD., DIXON, RN. & TUTCHER, B., 22 Sep 1988, In : Journal of Physical Chemistry. 92, 19, p. 5327-5332 6 p.

Research output: Contribution to journalArticle (Academic Journal)

24 Citations (Scopus)

STATE SELECTIVE PHOTODISSOCIATION DYNAMICS OF A STATE AMMONIA .1.

BIESNER, J., SCHNIEDER, L., SCHMEER, J., AHLERS, G., XIE, XX., WELGE, KH., Ashfold, M. N. R. & DIXON, RN., 15 Mar 1988, In : Journal of Chemical Physics. 88, 6, p. 3607-3616 10 p.

Research output: Contribution to journalArticle (Academic Journal)

121 Citations (Scopus)

SUB-DOPPLER INVESTIGATIONS OF RYDBERG STATES IN AMMONIA USING MULTIPHOTON EXCITATION

Ashfold, M. N. R., DIXON, RN., LITTLE, N., STICKLAND, RJ. & WESTERN, CM., Jun 1988, In : Kvantovaya elektronika. 15, 6, p. 1131-1136 6 p.

Research output: Contribution to journalArticle (Academic Journal)

THE B1E'' STATE OF AMMONIA - SUB-DOPPLER SPECTROSCOPY AT VACUUM ULTRAVIOLET ENERGIES

Ashfold, M. N. R., DIXON, RN., LITTLE, N., STICKLAND, RJ. & WESTERN, CM., 15 Aug 1988, In : Journal of Chemical Physics. 89, 4, p. 1754-1761 8 p.

Research output: Contribution to journalArticle (Academic Journal)

1987

2+1 MPI SPECTROSCOPY OF B1E" STATE NH3 AND ND3 - ROTATIONAL ANALYSIS OF THE ORIGIN BANDS

Ashfold, M. N. R., DIXON, RN., STICKLAND, RJ. & WESTERN, CM., 17 Jul 1987, In : Chemical Physics Letters. 138, 2-3, p. 201-208 8 p.

Research output: Contribution to journalArticle (Academic Journal)

GERADE RYDBERG STATES OF ACETYLENE STUDIED BY MULTIPHOTON IONIZATION AND PHOTOELECTRON-SPECTROSCOPY

Ashfold, M. N. R., TUTCHER, B., YANG, B., JIN, ZK. & ANDERSON, SL., 1 Nov 1987, In : Journal of Chemical Physics. 87, 9, p. 5105-5115 11 p.

Research output: Contribution to journalArticle (Academic Journal)

64 Citations (Scopus)

HIGH-RESOLUTION STUDIES OF THE ELECTRONIC SPECTRA OF H2S AND D2S

MAYHEW, CA., CONNERADE, JP., BAIG, MA., Ashfold, M. N. R., BAYLEY, JM., DIXON, RN. & PRINCE, JD., Feb 1987, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 83, p. 417-434 18 p.

Research output: Contribution to journalArticle (Academic Journal)

1986

ASYMMETRIC LINESHAPES ASSOCIATED WITH PREDISSOCIATING LEVELS OF NO(E2Σ+)

Ashfold, M. N. R., DIXON, RN., PRINCE, JD., TUTCHER, B. & WESTERN, CM., Aug 1986, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 82, p. 1257-1270 14 p.

Research output: Contribution to journalArticle (Academic Journal)

COMPETITION BETWEEN RESONANCE-ENHANCED MULTIPHOTON IONIZATION AND 3RD-HARMONIC GENERATION IN ACETYLENE VAPOR

Ashfold, M. N. R., HERYET, CD., PRINCE, JD. & TUTCHER, B., 14 Nov 1986, In : Chemical Physics Letters. 131, 4-5, p. 291-297 7 p.

Research output: Contribution to journalArticle (Academic Journal)

Dissociation dynamics of NH3(Ã1A2). Experiment and theory

Ashfold, M. N. R., BENNETT, CL. & DIXON, RN., 1986, In : Faraday Discussions of the Chemical Society. 82, p. 163-175 13 p.

Research output: Contribution to journalArticle (Academic Journal)

FLUORESCENCE EXCITATION AND EMISSION-SPECTROSCOPY OF THE C'1A1' RYDBERG STATE OF AMMONIA - ASSIGNMENT OF THE SCHUSTER BANDS OF AMMONIA

Ashfold, M. N. R., BENNETT, CL., DIXON, RN., FIELDEN, P., RIELEY, H. & STICKLAND, RJ., Jun 1986, In : Journal of Molecular Spectroscopy. 117, 2, p. 216-227 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Hydrogen-atom photofragment spectroscopy. Photodissociation dynamics of H2O in the BX absorption band

KRAUTWALD, HJ., SCHNIEDER, L., WELGE, KH. & Ashfold, M. N. R., 1986, In : Faraday Discussions of the Chemical Society. 82, p. 99-110 12 p.

Research output: Contribution to journalArticle (Academic Journal)

MULTIPHOTON PROBING OF MOLECULAR RYDBERG STATES

Ashfold, M. N. R., May 1986, In : Molecular Physics. 58, 1, p. 1-20 20 p.

Research output: Contribution to journalReview article (Academic Journal)

43 Citations (Scopus)

SUB-DOPPLER SPECTROSCOPY OF THE C' v2 = 2 RYDBERG LEVEL OF ND3 AT VACUUM ULTRAVIOLET ENERGIES

Ashfold, M. N. R., DIXON, RN., ROSSER, KN., STICKLAND, RJ. & WESTERN, CM., 1 Feb 1986, In : Chemical Physics. 101, 3, p. 467-482 16 p.

Research output: Contribution to journalArticle (Academic Journal)

1985

1ΦU RYDBERG STATE OF ACETYLENE REVEALED BY GAS-PHASE MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., DIXON, RN., PRINCE, JD. & TUTCHER, B., 10 Dec 1985, In : Molecular Physics. 56, 5, p. 1185-1199 15 p.

Research output: Contribution to journalArticle (Academic Journal)

MOLECULAR PHOTODISSOCIATION DYNAMICS REVEALED BY MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., BAYLEY, JM., DIXON, RN. & PRINCE, JD., 1985, In : Berichte der Bunsengesellschaft für physikalische Chemie. 89, 3, p. 254-261 8 p.

Research output: Contribution to journalArticle (Academic Journal)

MOLECULAR PREDISSOCIATION DYNAMICS REVEALED THROUGH MULTIPHOTON IONIZATION SPECTROSCOPY .3. NEW 1A2 AND 1B1 RYDBERG STATES IN H2S AND D2S

Ashfold, M. N. R., BAYLEY, JM., DIXON, RN. & PRINCE, JD., 1985, In : Chemical Physics. 98, 2, p. 289-313 25 p.

Research output: Contribution to journalArticle (Academic Journal)

PREDISSOCIATION DYNAMICS OF A-STATE AMMONIA PROBED BY 2-PHOTON EXCITATION SPECTROSCOPY

Ashfold, M. N. R., BENNETT, CL. & DIXON, RN., 1985, In : Chemical Physics. 93, 2, p. 293-306 14 p.

Research output: Contribution to journalArticle (Academic Journal)

QUANTUM STATE-SELECTED PHOTODISSOCIATION DYNAMICS IN H2O AND D2O

HODGSON, A., SIMONS, JP., Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1985, In : Molecular Physics. 54, 2, p. 351-368 18 p.

Research output: Contribution to journalArticle (Academic Journal)

82 Citations (Scopus)

ROTATIONAL STATE DEPENDENCE OF THE PREDISSOCIATION DYNAMICS IN H2O AND D2O (C1B1) AND B1A1)

HODGSON, A., SIMONS, JP., Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1985, In : Berichte der Bunsengesellschaft für physikalische Chemie. 89, 3, p. 251-254 4 p.

Research output: Contribution to journalArticle (Academic Journal)

1984

INFRARED PHOTOCHEMISTRY WITH SHAPED LASER PULSES

Ashfold, M. N. R., ATKINS, CG., HANCOCK, G. & MACROBERT, AJ., 1984, In : Israel Journal of Chemistry. 24, 3, p. 197-203 7 p.

Research output: Contribution to journalArticle (Academic Journal)

4 Citations (Scopus)

MOLECULAR PREDISSOCIATION DYNAMICS REVEALED THROUGH MULTIPHOTON IONIZATION SPECTROSCOPY .1. THE C1B1 STATES OF H2O AND D2O

Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1984, In : Chemical Physics. 84, 1, p. 35-50 16 p.

Research output: Contribution to journalArticle (Academic Journal)

MOLECULAR PREDISSOCIATION DYNAMICS REVEALED THROUGH MULTIPHOTON IONIZATION SPECTROSCOPY .2. THE C'1A1' STATE OF NH3 AND ND3

Ashfold, M. N. R., DIXON, RN. & STICKLAND, RJ., 1984, In : Chemical Physics. 88, 3, p. 463-478 16 p.

Research output: Contribution to journalArticle (Academic Journal)

MULTIPHOTON IONIZATION DETECTION OF PH (PD) RADICALS IN THEIR B1Σ+ ELECTRONIC STATE

Ashfold, M. N. R., DIXON, RN. & STICKLAND, RJ., 1984, In : Chemical Physics Letters. 111, 3, p. 226-233 8 p.

Research output: Contribution to journalArticle (Academic Journal)

QUANTUM-STATE-SELECTED PHOTODISSOCIATION OF H2O(C1B1)

HODGSON, A., SIMONS, JP., Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1984, In : Chemical Physics Letters. 107, 1, p. 1-5 5 p.

Research output: Contribution to journalArticle (Academic Journal)

37 Citations (Scopus)

THE 4s←1b1 AND 3d←1b1 RYDBERG STATES OF H2O AND D2O - SPECTROSCOPY AND PREDISSOCIATION DYNAMICS

Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1984, In : Canadian Journal of Physics. 62, 12, p. 1806-1833 28 p.

Research output: Contribution to journalArticle (Academic Journal)

THE ROTATIONAL STRUCTURE OF 3-PHOTON RESONANCES OF POLYATOMIC MOLECULES

DIXON, RN., BAYLEY, JM. & Ashfold, M. N. R., 1984, In : Chemical Physics. 84, 1, p. 21-34 14 p.

Research output: Contribution to journalArticle (Academic Journal)

1983

A NEW ELECTRONIC STATE OF WATER REVEALED BY GAS-PHASE MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., BAYLEY, JM. & DIXON, RN., 1983, In : Journal of Chemical Physics. 79, 8, p. 4080-4082 3 p.

Research output: Contribution to journalComment/debate (Academic Journal)

13 Citations (Scopus)

AN INEXPENSIVE, FEEDBACK-CONTROLLED DYE-LASER INTENSITY STABILIZATION SYSTEM

Ashfold, M. N. R. & ROSSER, KN., 1983, In : Journal of Physics E (Scientific Instruments). 16, 8, p. 759-763 5 p.

Research output: Contribution to journalArticle (Academic Journal)

1982

LASER-INDUCED FLUORESCENCE SPECTROSCOPY OF THE CD2 (a1A1) RADICAL - RENNER-TELLER EFFECT IN CH2 AND CD2

Ashfold, M. N. R., FULLSTONE, MA., HANCOCK, G. & DUXBURY, G., 1982, In : Molecular Physics. 45, 4, p. 887-896 10 p.

Research output: Contribution to journalArticle (Academic Journal)

MULTI-PHOTON IONIZATION SPECTROSCOPY OF H2S - A REINVESTIGATION OF THE 1B1-1A1 BAND AT 139.1 NM

Ashfold, M. N. R. & DIXON, RN., 1982, In : Chemical Physics Letters. 93, 1, p. 5-10 6 p.

Research output: Contribution to journalArticle (Academic Journal)

1981

ENERGY PARTITIONING IN PHOTODISSOCIATION - STATE SELECTIVE STUDIES OF THE CYANOGEN HALIDES

Ashfold, M. N. R., GEORGIOU, AS., QUINTON, AM. & SIMONS, JP., 1981, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 77, p. 259-271 13 p.

Research output: Contribution to journalArticle (Academic Journal)

19 Citations (Scopus)

INFRARED MULTIPLE-PHOTON DISSOCIATION AS A SOURCE OF REACTIVE FREE-RADICALS - METHYLENE REVISITED

Ashfold, M. N. R., FULLSTONE, MA., HANCOCK, G. & KETLEY, GW., 1981, In : Nuovo Cimento B. 63, 1, p. 28-35 8 p.

Research output: Contribution to journalArticle (Academic Journal)

INTERNAL ENERGY DISTRIBUTIONS IN THE FRAGMENTS OF IR MULTIPLE PHOTON DISSOCIATION

Ashfold, M. N. R., HANCOCK, G. & HARDAKER, ML., 1981, In : Nuovo Cimento B. 63, 1, p. 15-20 6 p.

Research output: Contribution to journalArticle (Academic Journal)

LASER INTENSITY EFFECTS IN THE IR MULTIPLE PHOTON ABSORPTION OF OsO4

Ashfold, M. N. R., ATKINS, CG. & HANCOCK, G., 1981, In : Chemical Physics Letters. 80, 1, p. 1-4 4 p.

Research output: Contribution to journalArticle (Academic Journal)

PHOTODISSOCIATION OF THE CYANOGEN HALIDES IN THE VACUUM ULTRAVIOLET - THE INFLUENCE OF INITIAL STATE SELECTION

Ashfold, M. N. R., GEORGIOU, AS., QUINTON, AM. & SIMONS, JP., 1981, In : Nuovo Cimento B. 63, 1, p. 21-27 7 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

SINGLET METHYLENE KINETICS - DIRECT MEASUREMENTS OF REMOVAL RATES OF a1A1 AND b1B1 CH2 AND CD2

Ashfold, M. N. R., FULLSTONE, MA., HANCOCK, G. & KETLEY, GW., 1981, In : Chemical Physics. 55, 2, p. 245-257 13 p.

Research output: Contribution to journalArticle (Academic Journal)

1980

DIRECT MEASUREMENTS OF a1A1 CH2 REMOVAL RATES

Ashfold, M. N. R., HANCOCK, G., KETLEY, GW. & MINSHULL-BEECH, JP., 1980, In : Journal of photochemistry. 12, 1, p. 75-83 9 p.

Research output: Contribution to journalArticle (Academic Journal)

ENERGY DISPOSAL IN THE VACUUM ULTRAVIOLET PHOTO-DISSOCIATION OF CS2 AND CSe2

Ashfold, M. N. R., QUINTON, AM. & SIMONS, JP., 1980, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 76, p. 905-914 10 p.

Research output: Contribution to journalArticle (Academic Journal)

ENERGY TRANSFER FROM STATE-SELECTED PHOTOFRAGMENTS - ELECTRONIC QUENCHING OF CS(A1Π)v'=0-5

Ashfold, M. N. R., QUINTON, AM. & SIMONS, JP., 1980, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 76, p. 915-922 8 p.

Research output: Contribution to journalArticle (Academic Journal)

LASER INDUCED FLUORESCENCE OF THE CHF RADICAL

Ashfold, M. N. R., CASTANO, F., HANCOCK, G. & KETLEY, GW., 1980, In : Chemical Physics Letters. 73, 3, p. 421-424 4 p.

Research output: Contribution to journalArticle (Academic Journal)

46 Citations (Scopus)

Laser Intensity Effects in the Energy-Distributions of Infrared Multiple-Photon Dissociation Fragments

Ashfold, M. N. R., HANCOCK, G. & HARDAKER, ML., 1980, In : Journal of the Optical Society of America. 70, 11, p. 1388-1388 1 p.

Research output: Contribution to journalArticle (Academic Journal)