P. Löfgren

Stockholm University — Sweden

Physics and Astronomy · Physical Sciences

13h-index846citations39works0.02yr avg
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Research Topics

Atomic and Molecular Physics(19), Mass Spectrometry Techniques and Applications(16), Advanced Chemical Physics Studies(12), Cold Atom Physics and Bose-Einstein Condensates(5), Particle accelerators and beam dynamics(5)

Publications39 total

Cryogenic merged-ion-beam experiments in DESIREE: Final-state-resolved mutual neutralization of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Li</mml:mi></mml:mrow><mml:mo>+</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi mathvariant="normal">D</mml:mi></mml:mrow><mml:mo>−</mml:mo></mml:msup></mml:math>
Physical review. A/Physical review, A·2020· 24 citedOpen Access
Negative ion relaxation and reactions in a cryogenic storage ring
Journal of Physics Conference Series·2020· 2 citedOpen Access
A high-pressure x-ray photoelectron spectroscopy instrument for studies of industrially relevant catalytic reactions at pressures of several bars
Review of Scientific Instruments·2019· 111 citedOpen Access
A dedicated photoelectron spectroscopy instrument for studies of catalytic reactions at pressures exceeding 1 bar
2019
Erratum: Rotationally Cold <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>OH</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> Ions in the Cryogenic Electrostatic Ion-Beam Storage Ring DESIREE [Phys. Rev. Lett. <b>119</b>, 073001 (2017)]
Physical Review Letters·2018· 11 citedOpen Access
Rotationally cold (<i>&gt;</i> 99% <i>J</i> = 0) OH<i> <sup>−</sup> </i> molecular ions in a cryogenic storage ring
Journal of Physics Conference Series·2017· 1 citedOpen Access
Rotationally Cold <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>OH</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> Ions in the Cryogenic Electrostatic Ion-Beam Storage Ring DESIREE
Physical Review Letters·2017· 53 citedOpen Access
Lifetimes of bound excited states of Pt<sup>−</sup>
Journal of Physics Conference Series·2017Open Access
Radiative lifetimes of the bound excited states of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Pt</mml:mi></mml:mrow><mml:mo>−</mml:mo></mml:msup></mml:math>
Physical review. A/Physical review, A·2016· 16 citedOpen Access
Lifetime of the bound excited level in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Ni</mml:mi></mml:mrow><mml:mo>−</mml:mo></mml:msup></mml:math>
Physical review. A/Physical review, A·2016· 15 citedOpen Access
Instrumentation in DESIREE
JACOW·2016Open Access
Storing keV negative ions for hours: Lifetime measurements in new time domains
Journal of Physics Conference Series·2015Open Access
Storing keV Negative Ions for an Hour: The Lifetime of the Metastable<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>P</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo stretchy="false">/</mml:mo><mml:mn>2</mml:mn></mml:mrow><mml:mrow><mml:mi>o</mml:mi></mml:mrow></mml:msubsup></mml:mrow></mml:math>level in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">S</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>32</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>
Physical Review Letters·2015· 61 citedOpen Access
DESIREE: Physics with cold stored ion beams
EPJ Web of Conferences·2015· 3 citedOpen Access
First results from the Double ElectroStatic Ion-Ring ExpEriment, DESIREE
Journal of Physics Conference Series·2014· 1 citedOpen Access
Commissioning of the DESIREE storage rings – a new facility for cold ion-ion collisions
Journal of Physics Conference Series·2014· 2 citedOpen Access
Commissioning of the Double Electrostatic Storage Ring DESIREE
JACOW·2014Open Access
The lifetime of the helium anion
Journal of Physics Conference Series·2012· 10 citedOpen Access
The Double ElectroStatic Ion-Ring ExpEriment, DESIREE
Journal of Physics Conference Series·2012Open Access
DESIREE: a unique cryogenic electrostatic storage ring for merged ion-beams studies
Journal of Physics Conference Series·2011· 6 citedOpen Access
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Frequent Co-authors

H. T. Schmidt(24), Mikael Blom(23), H. Cederquist(22), P. Reinhed(21), A. Simonsson(21), M. Björkhage(20), Stefan Rosén(19), A. Källberg(19), Richard Thomas(18), S. Mannervik(14), Henning Zettergren(14), G. Andler(11), A. Paál(11), L. Liljeby(11), Mats Larsson(10), H. Danared(9), Erik Bäckström(8), S. Leontein(8), D. Hanstorp(8), Gustav Eklund(8)