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Double-Pionic Fusio...
Double-Pionic Fusion of Nuclear Systems and the "ABC" Effect : Approaching a Puzzle by Exclusive and Kinematically Complete Measurements
- Article/chapterEnglish2009
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Numbers
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LIBRIS-ID:oai:DiVA.org:uu-137316
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-137316URI
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https://doi.org/10.1103/PhysRevLett.102.052301DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-32646URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Totalt 49 författare
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The ABC effect-a puzzling low-mass enhancement in the pi pi invariant mass spectrum, first observed by Abashian, Booth, and Crowe-is well known from inclusive measurements of two-pion production in nuclear fusion reactions. Here we report on the first exclusive and kinematically complete measurements of the most basic double-pionic fusion reaction pn -> d pi(0)pi(0) at beam energies of 1.03 and 1.35 GeV. The measurements, which have been carried out at CELSIUS-WASA, reveal the ABC effect to be a (pi pi)(I=L=0) channel phenomenon associated with both a resonancelike energy dependence in the integral cross section and the formation of a Delta Delta system in the intermediate state. A corresponding simple s-channel resonance ansatz provides a surprisingly good description of the data.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Bargholtz, C.Stockholms universitet,Fysikum,kärnfysik
(author)
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Berlowski, M.
(author)
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Bogoslawsky, D.
(author)
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Calén, HansUppsala universitet,The Svedberg-laboratoriet(Swepub:uu)hanscale
(author)
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Clement, H.
(author)
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Demiroers, L.
(author)
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Doroshkevich, E.
(author)
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Duniec, DavidUppsala universitet,Institutionen för fysik och astronomi
(author)
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Ekström, CurtUppsala universitet,The Svedberg-laboratoriet(Swepub:uu)cek03918
(author)
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Fransson, KjellUppsala universitet,The Svedberg-laboratoriet(Swepub:uu)kjelfran
(author)
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Geren, L.Stockholms universitet,Fysikum,kärnfysik(Swepub:uu)linge755
(author)
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Gustafsson, LeifUppsala universitet,Institutionen för fysik och astronomi
(author)
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Höistad, BoUppsala universitet,Institutionen för fysik och astronomi
(author)
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Ivanov, G.
(author)
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Ruber, Roger J. M. Y.Uppsala universitet,Institutionen för fysik och astronomi,The Svedberg-laboratoriet(Swepub:uu)rru19847
(author)
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Jiganov, E.
(author)
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Johansson, TordUppsala universitet,Institutionen för fysik och astronomi
(author)
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Khakimova, O.
(author)
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Keleta, SamsonUppsala universitet,Institutionen för fysik och astronomi
(author)
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Koch, InkenUppsala universitet,Institutionen för fysik och astronomi
(author)
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Kren, F.
(author)
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Kullander, SvenUppsala universitet,Institutionen för fysik och astronomi
(author)
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Kupsc, AndrzejUppsala universitet,The Svedberg-laboratoriet(Swepub:uu)andrkups
(author)
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Lindberg, K.Stockholms universitet,Fysikum,kärnfysik
(author)
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Marciniewski, PawelUppsala universitet,The Svedberg-laboratoriet(Swepub:uu)pawemarc
(author)
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Meier, R.
(author)
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Morosov, B.
(author)
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Pauly, C.
(author)
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Pettersson, HenrikUppsala universitet,Institutionen för fysik och astronomi
(author)
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Petukhov, Y.
(author)
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Povtorejko, A.
(author)
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Pricking, A.
(author)
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Ruber, Roger J. M. Y.Uppsala universitet,The Svedberg-laboratoriet(Swepub:uu)rru19847
(author)
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Schönning, KarinUppsala universitet,Institutionen för fysik och astronomi(Swepub:uu)kasch734
(author)
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Scobel, W.
(author)
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Shwartz, B.
(author)
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Skorodko, T.
(author)
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Sopov, V.
(author)
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Stepaniak, J.
(author)
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Tegner, P. -EStockholms universitet,Fysikum,kärnfysik
(author)
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Thörngren-Engblom, PiaStockholms universitet,Uppsala universitet,Institutionen för fysik och astronomi,Fysikum,kärnfysik
(author)
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Tikhomirov, V.
(author)
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Turowiecki, A.
(author)
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Wagner, G. J.
(author)
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Wolke, M.
(author)
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Zabierowski, J.
(author)
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Zartova, I.Stockholms universitet,Fysikum,kärnfysik
(author)
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Zlomanczuk, JozefUppsala universitet,Institutionen för fysik och astronomi
(author)
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Stockholms universitetFysikum
(creator_code:org_t)
Related titles
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In:Physical Review Letters102:5, s. 052301-0031-90071079-7114
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- By the author/editor
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Bashkanov, M.
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Bargholtz, C.
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Berlowski, M.
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Bogoslawsky, D.
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Calén, Hans
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Clement, H.
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show more...
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Demiroers, L.
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Doroshkevich, E.
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Duniec, David
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Ekström, Curt
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Fransson, Kjell
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Geren, L.
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Gustafsson, Leif
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Höistad, Bo
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Ivanov, G.
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Ruber, Roger J. ...
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Jiganov, E.
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Johansson, Tord
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Khakimova, O.
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Keleta, Samson
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Koch, Inken
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Kren, F.
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Kullander, Sven
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Kupsc, Andrzej
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Lindberg, K.
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Marciniewski, Pa ...
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Meier, R.
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Morosov, B.
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Pauly, C.
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Pettersson, Henr ...
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Petukhov, Y.
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Povtorejko, A.
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Pricking, A.
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Schönning, Karin
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Scobel, W.
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Shwartz, B.
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Skorodko, T.
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Sopov, V.
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Stepaniak, J.
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Tegner, P. -E
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Thörngren-Engblo ...
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Tikhomirov, V.
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Turowiecki, A.
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Wagner, G. J.
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Wolke, M.
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Zabierowski, J.
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Zartova, I.
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Zlomanczuk, Joze ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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NATURAL SCIENCES
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Uppsala University
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Stockholm University