uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
pi(0)pi(0) Production in proton-proton collisions at T-p=1.4 GeV The WASA-at-COSY Collaboration
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
Show others and affiliations
2012 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 706, no 4-5, 256-262 p.Article in journal (Refereed) Published
Abstract [en]

The reaction pp -> pp pi(0)pi(0) has been investigated at a beam energy of 1.4 GeV using the WASA-at-COSY facility. The total cross section is found to be (324 +/- 21(systematic) +/- 58(normalization)) mu b. In order to study the production mechanism, differential kinematic distributions have been evaluated. The differential distributions indicate that both initial state protons are excited into intermediate Delta(1232) resonances, each decaying into a proton and a single pion, thereby producing the pion pair in the final state. No significant contribution of the Roper resonance N*(1440) via its decay into a proton and two pions is found.

Place, publisher, year, edition, pages
2012. Vol. 706, no 4-5, 256-262 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-169367DOI: 10.1016/j.physletb.2011.11.041ISI: 000299756800004OAI: oai:DiVA.org:uu-169367DiVA: diva2:506645
Available from: 2012-02-29 Created: 2012-02-28 Last updated: 2016-04-29Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Adlarson, PatrikGullström, Carl-OskarHeijkenskjöld, LenaHöistad, BoJacewicz, MarekJohansson, TordKupsc, AndrzejMarciniewski, PawelPlucinski, PawelRedmer, Christoph F.Wolke, MagnusZlomanczuk, Jozef
By organisation
Nuclear Physics
In the same journal
Physics Letters B
Physical Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 496 hits
ReferencesLink to record
Permanent link

Direct link