Total and differential cross sections of η-production in proton-deuteron fusion for excess energies between Qη=13MeV and Qη=81MeV

doi:10.1016/j.physletb.2018.05.036

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DOI Доступ к ресурсу на сайте издателя			10.1016/j.physletb.2018.05.036

#мезоны

#протон-дейтронные взаимодействия

#ηмезоны

Title: Total and differential cross sections of η-production in proton-deuteron fusion for excess energies between Qη=13MeV and Qη=81MeV
Creator: Augustyniak, W.
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Bardan, W.
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Bashkanov, M.
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Bergmann, F. S.
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Berłowski, M.
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Bondar, A.
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Büscher, M.
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Calén, H.
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Ciepał, I.
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Clement, H.
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Czerwiński, E.
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Demmich, K.
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Engels, R.
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Erven, A.
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Skorodko, T.
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Adlarson, P.
Date: 2018
DOI: 10.1016/j.physletb.2018.05.036
Description: New data on both total and differential cross sections of the production of η mesons in proton-deuteron fusion to 3Heη in the excess energy region 13.6MeV≤Qη≤80.9MeV are presented. These data have been obtained with the WASA-at-COSY detector setup located at the Forschungszentrum Jülich, using a proton beam at 15 different beam momenta between pp=1.60GeV/c and pp=1.74GeV/c. While significant structure of the total cross section is observed in the energy region 20MeV≲Qη≲60MeV, a previously reported sharp variation around Qη≈50MeV cannot be confirmed. Angular distributions show the typical forward-peaking that was reported elsewhere. For the first time, it is possible to study the development of these angular distributions with rising excess energy over a large interval.

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collection(s): Физический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Physics Letters B. 2018. Vol. 782. P. 297-304
Language: eng

Created: 05-11-2020

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Физический факультет Total and differential cross sections of η-production in proton-deuteron fusion for excess energies between Qη=13MeV and Qη=81MeV