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Search for an isospin I=3 dibaryon
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics. Johannes Gutenberg Univ Mainz, Inst Kernphys, Johann Joachim Becher Weg 45, D-55128 Mainz, Germany..
Natl Ctr Nucl Res, Dept Nucl Phys, Ul Hoza 69, PL-00681 Warsaw, Poland..
Univ Edinburgh, Sch Phys & Astron, James Clerk Maxwell Bldg,Peter Guthrie Tait Rd, Edinburgh EH9 3FD, Midlothian, Scotland..
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2016 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 762, 455-461 p.Article in journal (Refereed) Published
Abstract [en]

Various theoretical calculations based on QCD or hadronic interactions predict that in addition to the recently observed dibaryon resonance d*(2380) with I(J(P)) = 3(0(+)) there should also exist a dibaryon resonance with mirrored quantum numbers I(J(P)) = 3(0(+)). We report here on a search for such a NN-decoupled state in data on the pp -> pp pi(+) pi(+) pi(-) pi(-) reaction. Since no clear-cut evidence has been found, we give upper limits for the production cross section of such a resonance in the mass range 2280-2500 MeV.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2016. Vol. 762, 455-461 p.
Keyword [en]
Dibaryons, Four-pion production
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-319407DOI: 10.1016/j.physletb.2016.09.051ISI: 000388473700063OAI: oai:DiVA.org:uu-319407DiVA: diva2:1086825
Funder
German Research Foundation (DFG), CL 214/3-1
Available from: 2017-04-04 Created: 2017-04-04 Last updated: 2017-04-04Bibliographically approved

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Adlarson, PatrikCalén, HansFransson, Kjell E. I.Heijkenskjöld, LenaJohansson, TordKupsc, AndrzejMarcinievski, PawelPszczel, DamianPyszniak, AndrzejWolke, MagnusZlomanczuk, Jozef
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