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Your search keyword '"K.-H. Watzlawik"' showing total 2 results
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2 results on '"K.-H. Watzlawik"'

1. ϕ-meson production in pp collisions close to threshold

Author

K. H. Watzlawik, T. Mersmann, H. Ohm, H.R. Koch, H. Ströher, Y. Maeda, V. Kleber, S. Barsov, P. Kulessa, P. Wüstner, V. P. Koptev, R. Schleichert, H. J. Stein, Andreas Mussgiller, K. Pysz, M. Hartmann, I. Keshelashvilli, S. Mikirtichyants, W. Borgs, V. Hejny, and Markus Büscher

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Meson production, Mass spectrum, Invariant (physics), Nuclear Experiment, Excess energy
Abstract

New data on ϕ -meson production in pp collisions have been obtained at the ANKE facility of COSY-Julich. These data will provide the energy dependence of the total cross section down to an excess energy of 19 MeV above threshold. In combination with the existing SPES-III and COSY-TOF results on ω -meson production the ϕ / ω production ratio at this low excess energy will be extracted. As an exciting new aspect an enhancement in the invariant ϕp mass spectrum is observed at a mass around 1.965 GeV / c 2 .

Published
2005
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2. Plans for investigations of subthreshold K+ production in p+A collisions

Author

V.I. Komarov, O.W.B. Schult, V. Chernyshev, D. Kopyto, J. Ernst, W. Oehme, L. Jarczyk, S.V. Trusov, A.V. Kulikov, A. Franzen, K. Sistemich, Zbigniew Rudy, G. Müller, W. Klein, H.R. Koch, H. Müller, N. Amaglobeli, S. Kopyto, U. Bechstedt, S. Dienel, B. Rimarzig, A. Puzynin, M. Köhler, Chr. Schneider, A. Strzalkowski, J. Smyrski, Z. Menteshashvili, H. Stechemesser, W. Borgs, Chr. Schneidereit, B. Kamys, K.W. Leege, W. Oelert, L. von Horn, R. Eßer, G.G. Macharashvili, N. I. Zhuravlev, P. Zolnierczuk, H. Dombrowski, W. Klimala, L. Glonti, S.V. Dshemuchadze, D. Grzonka, R. Schleichert, T. Demski, V. Koptev, H. Ohm, M. Büscher, M. S. Nioradze, B.Zh. Zalykhanov, D. Gotta, B. Prietzschk, W. Cassing, Mikhail A. Ivanov, A. Sibirtsev, A. Petrus, K. Zwoll, A. Hardt, A.K. Kacharava, K. H. Watzlawik, R. Santo, W. Tenten, H. Seyfarth, F. Hinterberger, U. Sieling, and B. Childaze

Subjects
Scattering cross-section, Nuclear physics, Physics, Nuclear and High Energy Physics, Spectrometer, Proton, Subthreshold conduction, Nuclear Theory, Atomic nucleus, Atomic physics, Nuclear Experiment, Ring (chemistry)
Abstract

We plan to investigate sub-threshold K+ production in proton bombardment of atomic nuclei in order to study the reaction mechanism through a measurement of the double differential cross section and of K+ p and K+ d coincidences. The status of the theoretical studies is summarized, and the spectrometer to be installed in the COSY ring is briefly described.

Published
1995
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