Nonstatistical fragmentation of large molecules

6533b860fe1ef96bd12c3c1c

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Nonstatistical fragmentation of large molecules

Preben Hvelplund John D. Alexander N Haag Kostiantyn Kulyk Kristian Støchkel Mark H. Stockett Tao Chen Patrick Rousseau Patrick Rousseau Stefan Rosén H. A. B. Johansson Henrik Cederquist Henning T. Schmidt Anders Johansson Michael Gatchell Lamri Adoui Lamri Adoui U. Bērziņš Bernd A. Huber Henning Zettergren

subject

Physics Fragmentation (mass spectrometry)Chemical physics 0103 physical sciences [PHYS.PHYS.PHYS-ATM-PH]Physics [physics]/Physics [physics]/Atomic and Molecular Clusters [physics.atm-clus]Molecule [PHYS.PHYS.PHYS-CHEM-PH]Physics [physics]/Physics [physics]/Chemical Physics [physics.chem-ph]Atomic physics 010402 general chemistry 010306 general physics 01 natural sciences Atomic and Molecular Physics and Optics 0104 chemical sciences

description

International audience; We present experimental evidence for the dominance of prompt single-atom knockout in fragmenting collisions between large polycyclic aromatic hydrocarbon cations and He atoms at center-of-mass energies close to 100 eV. Such nonstatistical processes are shown to give highly reactive fragments. We argue that nonstatistical fragmentation is dominant for any sufficiently large molecular system under similar conditions.

year	journal	country	edition	language
2014-03-01

10.1103/physreva.89.032701 https://hal.archives-ouvertes.fr/hal-01215250

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