Cluster-cluster fusion

Eleanor E.B. Campbell; Alexi V. Glotov; Andreas Lassesson; Raphael D. Levine

doi:10.1016/S1631-0705(02)01323-3

Cluster-cluster fusion

Eleanor E.B. Campbell, Alexi V. Glotov, Andreas Lassesson, Raphael D. Levine

Department of Physics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

An experimental study of molecular fusion in fullerene-fullerene collisions is presented and the theoretical interpretation of the cross section is reconsidered in terms of phase space arguments and competition with direct collision induced dissociation. The form and absolute magnitude of the cross sections for C₆₀⁺ + C₇₀ (or C₇₀⁺ + C₆₀) and C₇₀⁺ + C₇₀ can be understood, however, the much smaller cross section for C₆₀⁺ + C₆₀ remains a puzzle. The fragmentation behaviour of the hot fusion product is well described by a maximal entropy model indicating equipartition of the centre of mass collision energy followed by statistical fragmentation.

Original language	English
Pages (from-to)	341-352
Number of pages	12
Journal	Comptes Rendus Physique
Volume	3
Issue number	3
DOIs	https://doi.org/10.1016/S1631-0705(02)01323-3
State	Published - Apr 2002

Bibliographical note

Funding Information:
Acknowledgements. Financial support from the EU (IHP Network “Delayed Ionisation and Competing Cooling Mechanisms in Atomic Clusters”), Vetenskapsrådet and the Göran Gustafsson Foundation for the Natural Sciences is gratefully acknowledged. E.E.B.C. and R.D.L. thank the Alexander von Humboldt foundation for its support.

Keywords

Fragmentation
Fullerene-fullerene collision

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10.1016/S1631-0705(02)01323-3

Cite this

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title = "Cluster-cluster fusion",

abstract = "An experimental study of molecular fusion in fullerene-fullerene collisions is presented and the theoretical interpretation of the cross section is reconsidered in terms of phase space arguments and competition with direct collision induced dissociation. The form and absolute magnitude of the cross sections for C60+ + C70 (or C70+ + C60) and C70+ + C70 can be understood, however, the much smaller cross section for C60+ + C60 remains a puzzle. The fragmentation behaviour of the hot fusion product is well described by a maximal entropy model indicating equipartition of the centre of mass collision energy followed by statistical fragmentation.",

keywords = "Fragmentation, Fullerene-fullerene collision",

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note = "Funding Information: Acknowledgements. Financial support from the EU (IHP Network “Delayed Ionisation and Competing Cooling Mechanisms in Atomic Clusters”), Vetenskapsr{\aa}det and the G{\"o}ran Gustafsson Foundation for the Natural Sciences is gratefully acknowledged. E.E.B.C. and R.D.L. thank the Alexander von Humboldt foundation for its support.",

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AU - Campbell, Eleanor E.B.

AU - Glotov, Alexi V.

AU - Lassesson, Andreas

AU - Levine, Raphael D.

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PY - 2002/4

Y1 - 2002/4

N2 - An experimental study of molecular fusion in fullerene-fullerene collisions is presented and the theoretical interpretation of the cross section is reconsidered in terms of phase space arguments and competition with direct collision induced dissociation. The form and absolute magnitude of the cross sections for C60+ + C70 (or C70+ + C60) and C70+ + C70 can be understood, however, the much smaller cross section for C60+ + C60 remains a puzzle. The fragmentation behaviour of the hot fusion product is well described by a maximal entropy model indicating equipartition of the centre of mass collision energy followed by statistical fragmentation.

AB - An experimental study of molecular fusion in fullerene-fullerene collisions is presented and the theoretical interpretation of the cross section is reconsidered in terms of phase space arguments and competition with direct collision induced dissociation. The form and absolute magnitude of the cross sections for C60+ + C70 (or C70+ + C60) and C70+ + C70 can be understood, however, the much smaller cross section for C60+ + C60 remains a puzzle. The fragmentation behaviour of the hot fusion product is well described by a maximal entropy model indicating equipartition of the centre of mass collision energy followed by statistical fragmentation.

KW - Fragmentation

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Cluster-cluster fusion

Abstract

Bibliographical note

Keywords

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