This title appears in the Scientific Report :
2007
Please use the identifier:
http://dx.doi.org/10.1016/j.physletb.2007.07.018 in citations.
Please use the identifier: http://hdl.handle.net/2128/10524 in citations.
The pp->K+n Sigma+ reaction near threshold
The pp->K+n Sigma+ reaction near threshold
Inclusive K+ production in proton-proton collisions has been measured at a beam energy of 2.16 GeV using the COSY-ANKE magnetic spectrometer. The resulting spectrum, as well as those corresponding to K+ p and K+ pi(+) correlated pairs, can all be well described using consistent values of the total c...
Saved in:
Personal Name(s): | Valdau, Y. |
---|---|
Koptev, V. / Barsov, S. / Büscher, M. / Dymov, S. / Hartmann, M. / Kacharava, A. / Merzliakov, S. / Mikirtychyants, S. / Mussgiller, A. / Nekipelov, M. / Schleichert, R. / Ströher, H. / Wilkin, C. | |
Contributing Institute: |
Experimentelle Hadrondynamik; IKP-2 |
Published in: | Physics letters / B, 652 (2007) S. 245 - 249 |
Imprint: |
Amsterdam
North-Holland Publ.
2007
|
Physical Description: |
245 - 249 |
DOI: |
10.1016/j.physletb.2007.07.018 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physics Letters B
652 |
Subject (ZB): | |
Link: |
Get full text OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/10524 in citations.
Inclusive K+ production in proton-proton collisions has been measured at a beam energy of 2.16 GeV using the COSY-ANKE magnetic spectrometer. The resulting spectrum, as well as those corresponding to K+ p and K+ pi(+) correlated pairs, can all be well described using consistent values of the total cross sections for the pp -> K+ p Lambda, pp -> K+ p Sigma(0), and pp -> K+ n Sigma(+) reactions. While the resulting values for Lambda and Sigma(0) production are in good agreement with world data, our value for the total Sigma(+) production cross section, sigma (pp -> K+ n Sigma(+)) = (2.5 +/- 0.6(stat) +/- 0.4(syst)) mu b at an excess energy of epsilon = 129 MeV, could only be reconciled with other recently published data if there were a highly unusual near threshold behaviour. (c) 2007 Elsevier B.V. All rights reserved. |