Submission declined on 15 February 2024 by
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Submission declined on 30 December 2023 by
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Submission declined on 17 September 2023 by
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Submission declined on 25 August 2023 by
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A major contributor to this article appears to have a
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Arne Claes Olof Johnson (1944-2023) was a Swedish nuclear physicist most known for the discovery of the 'backbend', [1] [2] a phenomenon described in ref. [3] Johnson became instrumental in the development of large detector arrays like Nordball [4] and EUROBALL. [5] He was professor in nuclear physics at the KTH Royal Institute of Technology. [6]
Arne Johnson studied engineering physics at KTH Royal Institute of Technology from 1963 to 1967. After completion, he started his PhD in nuclear spectroscopy under supervision of Sven Hjorth and Hans Ryde. He discovered irregularities in the spectrum of 160Dy ( Dysprosium) [3] during his PhD research. The electronic engineer Jozef Sztarkier developed an electronic circuit such that the following experiment could indeed prove that the irregularity belonged to the same structure in 160Dy. [1] Further experiments revealed even stronger irregularities in the spectrum of the nucleus of 162Er ( Erbium) where the figure of the moment of inertia shows a 'backbend'. [2] [3] The irregularity was interpreted at that time as a phase transition [3] which also became the title of Arne Johnson's thesis 1973, "Evidence for phase transitions in deformed nuclei". [7]
Together with the theoretical nuclear physicist Zdzisław Szymański, the emerging field of nuclear rotational states (see also rotational spectroscopy) was described in a review paper. [8] Arne Johnson received the academic title of a Docent in 1974 (see Academic ranks in Sweden). Following international visits to many leading laboratories in both Europe and the US (including the Niels Bohr Institute, Denmark, and Daresbury Laboratory) he was appointed adjoint professor at KTH Royal Institute of Technology in 1986 and full professor in nuclear physics in 1997. [6] He was honoured with the Borelius medal for his achievements in physics and as dean of the engineering science faculty at KTH. [9]
During his military service at the FOA (Swedish National Defence Research Institute) 1977-1978, he was responsible in developing a Gamma-ray spectrometer for radioactive Xenon leaking from underground bomb test. Later, he initiated with Nordic nuclear physicist the development of the advanced detector system Nordball [4] and became the Swedish representative for the European detector system EUROBALL. [5]
Submission declined on 15 February 2024 by
The Herald (
talk). This submission reads more like an
essay than an encyclopedia article. Submissions should summarise information in
secondary, reliable sources and not contain opinions or
original research. Please write about the topic from a
neutral point of view in an
encyclopedic manner. This submission does not appear to be written in
the formal tone expected of an encyclopedia article. Entries should be written from a
neutral point of view, and should refer to a range of
independent, reliable, published sources. Please rewrite your submission in a more encyclopedic format. Please make sure to avoid
peacock terms that promote the subject.
Where to get help
How to improve a draft
You can also browse Wikipedia:Featured articles and Wikipedia:Good articles to find examples of Wikipedia's best writing on topics similar to your proposed article. Improving your odds of a speedy review To improve your odds of a faster review, tag your draft with relevant WikiProject tags using the button below. This will let reviewers know a new draft has been submitted in their area of interest. For instance, if you wrote about a female astronomer, you would want to add the Biography, Astronomy, and Women scientists tags. Editor resources
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Submission declined on 30 December 2023 by
DoubleGrazing (
talk). This submission is not adequately supported by
reliable sources. Reliable sources are required so that information can be
verified. If you need help with referencing, please see
Referencing for beginners and
Citing sources. This draft's references do not show that the subject
qualifies for a Wikipedia article. In summary, the draft needs to Declined by
DoubleGrazing 6 months ago.
|
Submission declined on 17 September 2023 by
OlifanofmrTennant (
talk). This submission is not adequately supported by
reliable sources. Reliable sources are required so that information can be
verified. If you need help with referencing, please see
Referencing for beginners and
Citing sources. Declined by
OlifanofmrTennant 9 months ago. |
Submission declined on 25 August 2023 by
Robert McClenon (
talk). This submission's references do not show that the subject
qualifies for a Wikipedia article—that is, they do not show significant coverage (not just passing mentions) about the subject in published,
reliable,
secondary sources that are
independent of the subject (see the
guidelines on the notability of people). Before any resubmission, additional references meeting these criteria should be added (see
technical help and learn about
mistakes to avoid when addressing this issue). If no additional references exist, the subject is not suitable for Wikipedia. Declined by
Robert McClenon 10 months ago. |
A major contributor to this article appears to have a
close connection with its subject. (August 2023) |
Arne Claes Olof Johnson (1944-2023) was a Swedish nuclear physicist most known for the discovery of the 'backbend', [1] [2] a phenomenon described in ref. [3] Johnson became instrumental in the development of large detector arrays like Nordball [4] and EUROBALL. [5] He was professor in nuclear physics at the KTH Royal Institute of Technology. [6]
Arne Johnson studied engineering physics at KTH Royal Institute of Technology from 1963 to 1967. After completion, he started his PhD in nuclear spectroscopy under supervision of Sven Hjorth and Hans Ryde. He discovered irregularities in the spectrum of 160Dy ( Dysprosium) [3] during his PhD research. The electronic engineer Jozef Sztarkier developed an electronic circuit such that the following experiment could indeed prove that the irregularity belonged to the same structure in 160Dy. [1] Further experiments revealed even stronger irregularities in the spectrum of the nucleus of 162Er ( Erbium) where the figure of the moment of inertia shows a 'backbend'. [2] [3] The irregularity was interpreted at that time as a phase transition [3] which also became the title of Arne Johnson's thesis 1973, "Evidence for phase transitions in deformed nuclei". [7]
Together with the theoretical nuclear physicist Zdzisław Szymański, the emerging field of nuclear rotational states (see also rotational spectroscopy) was described in a review paper. [8] Arne Johnson received the academic title of a Docent in 1974 (see Academic ranks in Sweden). Following international visits to many leading laboratories in both Europe and the US (including the Niels Bohr Institute, Denmark, and Daresbury Laboratory) he was appointed adjoint professor at KTH Royal Institute of Technology in 1986 and full professor in nuclear physics in 1997. [6] He was honoured with the Borelius medal for his achievements in physics and as dean of the engineering science faculty at KTH. [9]
During his military service at the FOA (Swedish National Defence Research Institute) 1977-1978, he was responsible in developing a Gamma-ray spectrometer for radioactive Xenon leaking from underground bomb test. Later, he initiated with Nordic nuclear physicist the development of the advanced detector system Nordball [4] and became the Swedish representative for the European detector system EUROBALL. [5]