Eur. Phys. J. A (2012) 48: 50
https://doi.org/10.1140/epja/i2012-12050-5

Regular Article - Experimental Physics

Mass measurements of neutron-deficient nuclei and their implications for astrophysics

¹ Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014, Jyväskylä, Finland
² Petersburg Nuclear Physics Institute, 188300, Gatchina, Russia
³ GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, D-64291, Darmstadt, Germany
⁴ Department of Physics and Astronomy, National Superconducting Cyclotron Laboratory, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, 48824, Michigan, USA
⁵ Faculty of Physics, Ludwig-Maximilians-Universität München, Am Coulombwall 1, D-85748, Garching, Germany

^* e-mail: anu.k.kankainen@jyu.fi

Received: 31 January 2012
Accepted: 10 February 2012
Published online: 19 April 2012

Abstract

During the years 2005-2010 the double-Penning-trap mass spectrometer JYFLTRAP has been used to measure the masses of 90 ground and 8 isomeric states of neutron-deficient nuclides with a typical precision of better than 10keV. The masses of 14 nuclides -- ⁸⁴Zr , ^{88, 89}Tc , ^90-92Ru , ^92-94Rh , ^{94, 95}Pd , ^{106, 108, 110}Sb -- have been experimentally determined for the first time. This article gives an overview on these measurements and their impact on the modeling of the astrophysical rp -process.