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Title: Probing the structure and dynamics of molecular clusters using rotational wavepackets
Authors: Galinis, Gediminas
Cacho, C.
Chapman, R. T.
Ellis, A. M.
Lewerenz, M.
Mendoza Luna, Luis G.
Minns, R. S.
Mladenovic, M.
Rouzee, A.
Springate, E.
Turcu, I. C. E.
Watkins, Mark J.
von Haeften, Klaus
First Published: 24-Jul-2014
Publisher: American Physical Society
Citation: Physical Review Letters 113, 043004
Abstract: Rotational wave packets of the weakly bound C2H2-He complex have been created using impulsive alignment. The coherent rotational dynamics were monitored for 600 ps enabling extraction of a frequency spectrum showing multiple rotational energy levels up to J = 4. spectrum has been combined with ab initio calculations to show that the complex has a highly delocalized structure and is bound only by ca. 7 cm−1. The experiments demonstrate how highly featured rotational spectra can be obtained from an extremely cold environment where only the lowest rotational energy states are initially populated.
DOI Link: 10.1103/PhysRevLett.113.043004
ISSN: 0031-9007
eISSN: 1079-7114
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Published version used with reference to policy on SHERPA/RoMEO. Copyright 2014 American Physical Society. Version of record:
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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