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Title:Halo Nucleic Molecules: Molecules Formed From At Least One Atom With A Halo Nucleus. Emphasis On 11,11li2 Along With Other Exotic Isotopologues.
Author(s):Dattani, Nikesh S.
Contributor(s):Welsh, Staszek
Subject(s):Fundamental interest
Abstract:Atoms whose nuclei have an exotic number of nucleons can have a `core nucleus' surrounded by a `halo' formed by a nucleon orbiting the core nucleus. For example, due to the two halo neutrons orbiting the core nucleus of $^{11}$Li, its nucleus has a cross section that is roughly the same size as that of $^{208}$Pb. Halo nucleic atoms have been studied extensively both in theory and in experiments, however halo nucleic molecules have not been studied in either. We first show, using HeH$^+$, BeH, and MgH as examples, that with measurements of any two isotopologues of a molecule, we can determine crucial properties of a third isotopologue well within spectroscopic accuracy. We then use the extremely precise empirical information available\footnote{R. J. Le$\,$Roy, N. S. Dattani, J. A. Coxon, A. J. Ross, P. Crozet, C. Linton, \textit{J. Chem. Phys.} \textbf{131}, 204309 (2009).}$^,$\footnote{N. S. Dattani, R. J. Le$\,$Roy, \textit{J. Mol. Spec.} \textbf{268}, 199-210 (2011).}$^,$\footnote{M. Semczuk, X. Li, W. Gunton, M. Haw, N. S. Dattani, J. Witz, A. Mills, D. J. Jones, K. W. Madison, \textit{Phys. Rev. A} \textbf{87}, 052505 (2013)}$^,$\footnote{W. Gunton, M. Semczuk, N. S. Dattani, K. W. Madison, \textit{Phys. Rev. A} \textbf{88}, 062510 (2013)} for the low-lying states of $^{6,6}$Li$_2$, $^{6,7}$Li$_2$ and $^{7,7}$Li$_2$ to predict potentials and various properties of the halo nucleic molecule $^{11,11}$Li$_2$, along with isotopologues containing $^{3}$Li, $^{4}$Li, $^{5}$Li, $^{8}$Li, $^{9}$Li, $^{10}$Li, and $^{12}$Li. We believe that our predictions of the ro-vibrational energies are reliable for experiments for the first detection of a halo nucleic molecule.
Issue Date:2014-06-19
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Dattani, N.S.; Welsh, S. HALO NUCLEIC MOLECULES: MOLECULES FORMED FROM AT LEAST ONE ATOM WITH A HALO NUCLEUS. EMPHASIS ON 11,11Li2 ALONG WITH OTHER EXOTIC ISOTOPOLOGUES.. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.RD01
Genre:Conference Paper / Presentation
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License.
Date Available in IDEALS:2014-09-17

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