Výsledky vyhledávání - "Gustav, Eklund"

Akademický článek

High-precision electron affinity of oxygen

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)

High-precision measurements are useful to find isotopic shifts and electron correlation. Here the authors measure electron affinity and hyperfine splitting of atomic oxygen with higher precision than previous studies.

Externí odkaz: https://doaj.org/article/1148f9adc2aa4be4b1a0871f4639fa17

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Akademický článek

Experimental lifetime of the a^{1}Δ electronically excited state of CH^{−}

Autor: Gustav Eklund, Moa K. Kristiansson, K. C. Chartkunchand, Emma K. Anderson, Malcolm Simpson, Roland Wester, Henning T. Schmidt, Henning Zettergren, Henrik Cederquist, Wolf D. Geppert

Publikováno v: Physical Review Research, Vol 4, Iss 1, p L012016 (2022)

By repeatedly probing the a^{1}Δ excited state and the X^{3}Σ^{−} ground-state populations in a beam of CH^{−} ions stored in a cryogenic ion-beam storage ring for 100 s, we extract an intrinsic lifetime of 14.9±0.5 s for this excited state. T

Externí odkaz: https://doaj.org/article/c082b0adfd5040c488697808ea60df47

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Classification of Hypoglycemic Events in Type 1 Diabetes Using Machine Learning Algorithms

Autor: Lars Cederblad, Gustav Eklund, Amund Vedal, Henrik Hill, José Caballero-Corbalan, Jarl Hellman, Niclas Abrahamsson, Inger Wahlström-Johnsson, Per-Ola Carlsson, Daniel Espes

Introduction To improve the utilization of continuous- and flash glucose monitoring (CGM/FGM) data we have tested the hypothesis that a machine learning (ML) model can be trained to identify the most likely root causes for hypoglycemic events. Method

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a67827c9e68ea3cb6c2af8d10ba9a2a
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-500823

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Mutual neutralisation of O+ with O−: investigation of the role of metastable ions in a combined experimental and theoretical study

Autor: Mats Larsson, Jon Grumer, Paul S. Barklem, Gustav Eklund, Henning Zettergren, Henrik Cederquist, Shaun G. Ard, Stefan Rosén, MingChao Ji, Nicholas S. Shuman, Xavier Urbain, Henning T. Schmidt, Mathias Poline, Albert A. Viggiano, Ansgar Simonsson, Peter Reinhed, Arnaud Dochain, Richard D. Thomas, Mikael Blom

Publikováno v: Physical Chemistry Chemical Physics. 23:24607-24616

The mutual neutralisation of O+ with O- has been studied in a double ion-beam storage ring with combined merged-beams, imaging and timing techniques. Branching ratios were measured at the collision energies of 55, 75 and 170 (+/- 15) meV, and found t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9efa10412273192ec39cc79c75880de8
https://doi.org/10.1039/d1cp03977f

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State-Resolved Mutual Neutralization of Mg+ and D

Autor: Jon Grumer, Gustav Eklund, Anish M. Amarsi, Paul S. Barklem, Stefan Rosén, MingChao Ji, Ansgar Simonsson, Henrik Cederquist, Henning Zettergren, Henning T. Schmidt

We present experimental final-state distributions for Mg atoms formed in Mg+ + D- mutual neutralization reactions at center-of-mass collision energies of 59 +/- 12 meV by using the merged-beams method. Comparisons with available full-quantum results

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1c1a65feb2114a20e28abb9836d0be3
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-467384

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Final-state-resolved mutual neutralization of Na+ and D−

Autor: Jon Grumer, Paul S. Barklem, Gustav Eklund, Henning T. Schmidt, Stefan Rosén, MingChao Ji, Henrik Cederquist, Henning Zettergren, Ansgar Simonsson, Richard D. Thomas

Publikováno v: Physical Review A. 103

The present paper reports on a merged-beam experiment on mutual neutralization between ${\mathrm{Na}}^{+}$ and ${\mathrm{D}}^{\ensuremath{-}}$. For this experiment, we have used the DESIREE ion-beams storage-ring facility. The reaction products are d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d11934c6992e31e8e39444c2007260dd
https://doi.org/10.1103/physreva.103.032814

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Identifying multi-hazard potential impact at the pan-European level: the DRMKC Risk Data Hub methodology

Autor: Stefano Luoni, Marzia Santini, Tiberiu-Eugen Antofie, Gustav Eklund, Montserrat Marin-Ferrer, Doherty Brian, Florian Lindl, Flavia Patrascu

The EU Disaster Risk Management Knowledge Centre (DRMKC)[1] is currently developing a WebGIS-based platform – the Risk Data Hub[2] - aimed at improving access to and sharing of EU-wide risk data, tools, and methodologies in support to policy Direct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67b8583f271f986bf212b16d0b514ce9
https://doi.org/10.5194/egusphere-egu21-12061

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Experimental and theoretical studies of excited states in Ir

Autor: M. K. Kristiansson, Jon Grumer, J. Karls, Dag Hanstorp, Henning Zettergren, Henning T. Schmidt, Gustav Eklund, V. Ideböhn, N. D. Gibson, Tomas Brage, Sacha Schiffmann, N. de Ruette

Publikováno v: Physical Review A, 103 (6

The properties of atomic negative ions are to a large extent determined by electron-electron correlation which makes them an ideal testing ground for atomic many-body physics. In this paper, we present a detailed experimental and theoretical study of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd13ab89fcc148ef9dcd70838835adb7
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-447946

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