EPJ Web of Conferences
Volume 37, 2012MESON 2012 – 12th International Workshop on Production, Properties and Interaction of MESONS
|Number of page(s)||4|
|Section||Meson production - parallel talks|
|Published online||06 December 2012|
Kaon pair production in proton-proton collisions at COSY-ANKE
1 Department of Physics and Triangle Universities Nuclear Laboratory, Duke University, Durham, NC 27708, USA
2 Institut für Kernphysik and Jülich Centre for Hadron Physics, Forschungszentrum Jülich, D-52425 Jülich, Germany
a e-mail: firstname.lastname@example.org
The near-threshold production of kaon-pairs has been investigated in proton-proton collisions at Cooler Synchrotron (COSY)at Forschungszentrum Jülich. In the pp → ppK+K− reaction, the invariant mass distributions of K−p, K−pp, and K+K− indicate the presence of both K−p and K+K− final state interactions. Total cross sections for pp → ppϕ reaction have been determined at excess energies ε of 18.5, 34.5, and 76 MeV. The differential spectra at an excess energy of 18.5 MeV exhibit a clear s-wave dominance, while the high statics data at an excess energy of 76 MeV shows that higher partial waves represent the majority of the pp → ppϕ total cross section, whose energy dependence would then seem to require some s-wave ϕp enhancement near threshold.
© Owned by the authors, published by EDP Sciences, 2012
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.