J. P. Pique

Details der Publikationsliste

Zeitraum

1977 - 1989

Anzahl

25

Co-Autoren

An Isotopic Substitution Test for Orbiting H Atoms in Vibrationally Highly Excited $\tilde{X} ^{1}\Sigma_{g}^{+}$ Acetylene (1989)

Chen, Yit-Tsong, Pique, J. P., Chen, Y., Field, R. W.

Author Institution: Department of Chemistry, Massachusetts Institute of Technology; Laboratoire de Spectrometrie Physique, Universite Scientifique et Medicale de Grenoble; Department of Chemistry,...

U.V. OPTICAL DOUBLE RESONANCE STUDY OF THE PREDISSOCIATED $\tilde{C}{'} ^{1}A_{g} \leftarrow \bar{A}^{1}A_{u} \leftarrow \tilde{X} ^{1}\Sigma_{g}^{+}$ STATE OF ACETYLENE (1989)

Lundberg, J. K., Pique, J. P., Chen, Y., Field, R. W.

Author Institution: Department of Chemistry, Massachusetts Institute of Technology; Laboratoire de Spectromenic Physique, BP87 38402 Grenoble. France; Department of Chemistry, University of Southern...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. I. Theory (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The hyperfine interactions in heavy homonuclear diatomic molecules are studied theoretically. The general matrix element of the related Hamiltonian is derived in the general case and detailed in the...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. II. Experiments on I2 (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The iodine B 0+u state is studied near its dissociation limit using sub-Doppler high resolution techniques. The recording of more than 10 000 hyperfine lines allows a systematic analysis of the...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. I. Theory (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The hyperfine interactions in heavy homonuclear diatomic molecules are studied theoretically. The general matrix element of the related Hamiltonian is derived in the general case and detailed in the...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. II. Experiments on I2 (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The iodine B 0+u state is studied near its dissociation limit using sub-Doppler high resolution techniques. The recording of more than 10 000 hyperfine lines allows a systematic analysis of the...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. I. Theory (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The hyperfine interactions in heavy homonuclear diatomic molecules are studied theoretically. The general matrix element of the related Hamiltonian is derived in the general case and detailed in the...

Hyperfine interactions in homonuclear diatomic molecules and u-g perturbations. II. Experiments on I2 (1986)

Pique, J.P., Hartmann, F., Churassy, S., Bacis, R.

The iodine B 0+u state is studied near its dissociation limit using sub-Doppler high resolution techniques. The recording of more than 10 000 hyperfine lines allows a systematic analysis of the...

THE ATOMIC ORIGIN OF THE ELECTRONIC MOLECULAR STATES FROM THEIR HYPERFINE STRUCTURE (1984)

Broyer, M., Bacis, R., Churassy, S., Pique, J.P.

Author Institution: Laboratoire de Spectrom\'{e}trie Ionique et Mol\'{e}culaire, 43 boulevard du 11 Novembre 1918; Laboratoire de Spectrom\'{e}trie Physique, Universit\'{e} de Grenoble

Hyperfine predissociation in the B state of iodine investigated through lifetime measurements of individual hyperfine sublevels (1983)

Pique, J.P., Bacis, R., Hartmann, F., Sadeghi, N., Churassy, S.

Iodine exhibits the phenomenon of hyperfine predissociation, by which the different hyperfine sublevels of the same rovibronic level are given different lifetimes. This has been verified for the...

Hyperfine predissociation in the B state of iodine investigated through lifetime measurements of individual hyperfine sublevels (1983)

Pique, J.P., Bacis, R., Hartmann, F., Sadeghi, N., Churassy, S.

Iodine exhibits the phenomenon of hyperfine predissociation, by which the different hyperfine sublevels of the same rovibronic level are given different lifetimes. This has been verified for the...

Hyperfine predissociation in the B state of iodine investigated through lifetime measurements of individual hyperfine sublevels (1983)

Pique, J.P., Bacis, R., Hartmann, F., Sadeghi, N., Churassy, S.

Iodine exhibits the phenomenon of hyperfine predissociation, by which the different hyperfine sublevels of the same rovibronic level are given different lifetimes. This has been verified for the...

Hyperfine Predissociation in Br2 (1983)

J. B. Koffend, R. Bacis, S. Churassy, M. L. Gaillard, J. P. Pique, F. Hartmann

Hyperfine structure of several rovibronic transitions in the B-X system of B79r2 has been analyzed and the quadrupolar and nuclear spin rotation hyperfine coupling constants have been obtained. A...

C.W. Optical–Optical Double Resonance in /2: Hyperfine Structure in the E 0−g+– B 0u+ System (1983)

J. B. Koffend, R. Bacis, M. Broyer, J. P. Pique, S. Churassy

Hyperfine structure for several E(0g+)–B(0u+) rovibrational transitions has been measured for the first time. Two single frequency lasers were used to excite E(0g+)(υ*, J*)–B(0u+)(υ′, J′)...

HYPERFINE STRUCTURE IN THE $B^{3}\Pi_{{O}_{u}}^{+}$ STATE OF I2 CLOSE TO THE DISSOCIATION LIMIT (1982)

Bacis, R., Churassy, S., Hartmann, F., Koffend, J. Brooke, Pique, J.P.

The excitation spectrum of a supersonic beam of $I_{2}$ is explored at $\sim$ 1 MHz resolution for vibrational levels $(\upsilon^{'} - 75 - 81)$ close to the dissociation limit of the...

HYPERFINE PREDISSOCIATION IN BR2 (1982)

Bacis, R., Churassy, S., Hartmann, F., Koffend, J. Brooke, Pique, J.P.

(1) J. VIGUE, M. BROYER and J.C. LEHMANN, J. de Phys. 43, 937 (1981)

Second harmonic measurement of the order parameter variation near the multicritical point of NH4Cl (1979)

Dolino, G., Pique, J.P., Vallade, M.

Pressure variations of the order parameter η of NH4Cl are measured by second harmonic generation of light. The transition is continuous above 1.5 kbar; below, a phase coexistence is observed...

Second harmonic measurement of the order parameter variation near the multicritical point of NH4Cl (1979)

Dolino, G., Pique, J.P., Vallade, M.

Pressure variations of the order parameter η of NH4Cl are measured by second harmonic generation of light. The transition is continuous above 1.5 kbar; below, a phase coexistence is observed...

Second harmonic measurement of the order parameter variation near the multicritical point of NH4Cl (1979)

Dolino, G., Pique, J.P., Vallade, M.

Pressure variations of the order parameter η of NH4Cl are measured by second harmonic generation of light. The transition is continuous above 1.5 kbar; below, a phase coexistence is observed...

Electro-optic measurement of the order parameter of NH4Cl (1978)

Pique, J.P., Dolino, G., Vallade, M.

We present here measurements of the temperature variation of the electro-optic effect in the low temperature phase of NH4Cl and we show how they are related to the order parameter of the...

Electro-optic measurement of the order parameter of NH4Cl (1978)

Pique, J.P., Dolino, G., Vallade, M.

We present here measurements of the temperature variation of the electro-optic effect in the low temperature phase of NH4Cl and we show how they are related to the order parameter of the...

Electro-optic measurement of the order parameter of NH4Cl (1978)

Pique, J.P., Dolino, G., Vallade, M.

We present here measurements of the temperature variation of the electro-optic effect in the low temperature phase of NH4Cl and we show how they are related to the order parameter of the...

Optical microscopic study of the NH4Cl phase transition with observations of slip bands, heterophase and domain structure (1977)

Pique, J.P., Dolino, G., Vallade, M.

Slip bands parallel to { 100} planes have been observed almost universally in NH4Cl single crystals. They are described and characterized and it is shown that they induce inhomogeneous internal...

Optical microscopic study of the NH4Cl phase transition with observations of slip bands, heterophase and domain structure (1977)

Pique, J.P., Dolino, G., Vallade, M.

Slip bands parallel to { 100} planes have been observed almost universally in NH4Cl single crystals. They are described and characterized and it is shown that they induce inhomogeneous internal...

Optical microscopic study of the NH4Cl phase transition with observations of slip bands, heterophase and domain structure (1977)

Pique, J.P., Dolino, G., Vallade, M.

Slip bands parallel to { 100} planes have been observed almost universally in NH4Cl single crystals. They are described and characterized and it is shown that they induce inhomogeneous internal...