From summer 2016 I'm at

Tianjin International Center of Nanoparticles and  Nanosystems

You reach me at klavshansen(at)

or on phone
+86 1 560 207 8094

Mailing address:
Tianjin International Center
of Nanoparticles and
Tianjin University,
92 Weijin Road,
Nankai district,
Tianjin 300072,

Erice workshop 2020
Dynamics of Nanoclusters with Delocalized Electrons
July 12-18


workshop 2016
Delocalized electrons in Atomic and Molecular Nanoclusters
group picture


Table of contents

Order here (external link)

The book is available as a softcover print-on-demand for 25 Euros/US$ if your library subscribes to a Springer e-book package.

Errata (2017-04-29)

My publications

(updated 2016-11-11)

                              Welcome to the home page of
                                  Klavs Hansen

                     I work with statistical processes in clusters and large molecules.
                             Tools: Ion storage rings, mass spectrometers, lasers
                          Subjects: Energies, thermodynamics, radiative cooling

Recent publications

Energy flow in peptides after UV photoexcitation of backbone linkages
Klavs Hansen, Camilla Skinnerup Byskov, and Steen Brøndsted Nielsen
PCCP (in press)

Finite-dimensional non-autonomous model and analytical-numerical method for analysis of homopolymer mixtures in porous media
E. Mamontov, and K. Hansen
Applied Mathematical Modelling (in press)

Gold cluster electronic radiative cooling and abundances
Klavs Hansen, Piero Ferrari Ramirez, Ewald Janssens, Peter Lievens
J. Phys. Chem. C (in press)

Single Photon Thermal Ionization of C
Klavs Hansen, Robert Richter, Michael Alagia, Stefano Stranges, Luca Schio, Peter Salén, Vasyl Yatsyna, Raimund Feifel, and Vitali Zhaunerchyk
Phys. Rev. Lett.
118 (2017) 103001
Selected as Editor's Suggestion

Spontaneous decay of small copper cluster anions Cu
n-, n = 3 - 6 on long time scales
K. Hansen, M.H. Stockett, M. Kaminska, R.F. Nascimento, E.K. Anderson, M. Gatchell, K.C. Chartkunchand, G. Eklund,
H. Zettergren, H.T. Schmidt, and H. C Cederquist

Phys. Rev. A 95 (2017) 022511

The effect of a localized charge on the structure and stability of Van-Der Waals clusters
I. Rahinov, Y. Toker, K. Hansen, D. Schwalm, O. Heber, and D. Zajfman
Eur. Phys. J. D 70 (2016) 260

Effect of conformers on free energies of atmospheric complexes
Lauri Partanen, Hanna Vehkamäki, Klavs Hansen, Jonas Elm, Henning Henschel, Theo Kurtén, Roope Halonen, and Evgeni Zapadinsky
J. Phys. Chem.
120 (2016) 8613-8624

Detection of Recurrent Fluorescence Photons
Yuta Ebara, Takeshi Furukawa, Jun Matsumoto, Hajime Tanuma, Toshiyuki Azuma, Haruo Shiromaru, and Klavs Hansen
Phys. Rev. Lett
117 (2016) 133004

Comment on L. Holmlid, Int. J. Mass Spec.
352 (2013) 1
K. Hansen
Int. J. Mass Spec.
399-400 (2016) 51-52