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7 results on '"E. Belau"'

1. $$\bar K^{0*} (892)$$ andK 0*(892) production at lowp t and the quark parton model

Author

H. J. Seebrunner, C.J.S. Damerell, H. Palka, Z. Hajduk, V. Castillo, H.G.J.M. Tiecke, R. J. Tapper, G. Lütjens, S. Watts, T. Gooch, B.D. Hyams, V. Chabaud, G. de Rijk, H.F. Fawcett, M. Turala, S. Kwan, E. Higon, A. R. Gillman, H. Becker, J. Kemmer, B. Lücking, D. P. Kelsey, E. Belau, U. Kötz, A. Wylie, T. Zeludziewicz, D. Bucholz, J. Richardson, C. Daum, M. Bosman, H. Dietl, G. Waltermann, M. Pepé, J. Malos, W. Männer, S. Gill, M. Rozanska, P. Weilhammer, L. W. Wiggers, G. Polok, Fred Wickens, K. Rybicki, T. Böhringer, E. Neugebauer, G. Lutz, R.S. Gilmore, U. Stierlin, P. Gras, S. Barlag, and R. Klanner

Subjects
Quark, Physics, Particle physics, Physics and Astronomy (miscellaneous), Bar (music), Nuclear Theory, High Energy Physics::Phenomenology, Hadron, Parton, Elementary particle, Particle acceleration, High Energy Physics::Experiment, Field theory (psychology), Quantum field theory, Nuclear Experiment, Engineering (miscellaneous)
Abstract

Data on the production of the neutralK*(892) resonances at lowpt by 200 GeVK− and π− is compared with the predictions of various models based on the quark parton model of hadrons.

Published
1990

2. Inclusive $$\bar K^{0*} (892)$$ andK 0*(892) production on silicon by 200 GeVK − andπ −

Author

H. Palka, E. Belau, E. Higon, J. Richardson, D. P. Kelsey, S. Watts, P. Weilhammer, P. Gras, H.G.J.M. Tiecke, H. Dietl, G. de Rijk, M. Rozanska, M. Turala, M. Bosman, L. W. Wiggers, A. R. Gillman, M. Pepe, G. Waltermann, D. Bucholz, Z. Hajduk, W. Männer, V. Castillo, S. Kwan, H. Becker, B.D. Hyams, Fred Wickens, K. Rybicki, J. Kemmer, T. Böhringer, B. Lücking, T. Zeludziewicz, H.F. Fawcett, E. Neugebauer, J. Malos, G. Polok, U. Stierlin, S. Barlag, R. Klanner, R. J. Tapper, G. Lütjens, T. Gooch, S. Gill, G. Lutz, C. Daum, R.S. Gilmore, U. Kötz, H. J. Seebrunner, V. Chabaud, A. Wylie, and C.J.S. Damerell

Subjects
Physics, Nuclear physics, Physics and Astronomy (miscellaneous), Silicon, chemistry, Transverse momentum, chemistry.chemical_element, Atomic physics, Engineering (miscellaneous)
Abstract

The production of the neutralK− (892) resonances by 200 GeVK− andπ− has been studied over the kinematic range 0.0

Published
1990

3. Joint production of ? mesons and? �,? 0,p, $$\bar p$$ ,K s 0 andK � in hadronic interactions

Author

R. J. Tapper, E. Belau, H. Palka, Z. Hajduk, C.J.S. Damerell, H. J. Seebrunner, H.G.J.M. Tiecke, U. Stierlin, A. R. Gillman, R. Klanner, A. Wylie, S. Kwan, M. Turala, S. Watts, C. Daum, C. Hardwick, Fred Wickens, M. Pepé, G. Lütjens, V. Chabaud, R. Bailey, L. W. Wiggers, Hans Dijkstra, Martine Bosman, P. Weilhammer, J. Richardson, R.S. Gilmore, B.D. Hyams, G. de Rijk, G. Waltermann, W. Männer, U. Kötz, K. Rybicki, T. Böhringer, E. Neugebauer, G. Lutz, T. Zeludziewicz, S. Gill, J. Malos, and W. Hoogland

Subjects
Physics, Physics and Astronomy (miscellaneous), Meson, High Energy Physics::Phenomenology, Nuclear Theory, Hadron, Parton, Nuclear physics, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, Engineering (miscellaneous), Joint (geology), Bar (unit)
Abstract

The joint production of ϕ mesons andπ ±,π 0,p, $$\bar p$$ ,K 0 andK ± is investigated using a sample of 600,000 inclusive ϕ meson events obtained in hadron Be interactions with incidentπ ±,p, $$\bar p$$ andK ± beams. Evidence is presented for the joint production of ϕ mesons and strange particles produced with non-strange incident beams. With incidentK ± beam the number of additional strange particles is suppressed. The results are found to be in agreement with the qualitative predictions of a parton fusion model. The comparison with the Lund model for lowp T processes is fair.

Published
1986

4. A-dependence study of inclusive ϑ production

Author

H. J. Seebrunner, Martine Bosman, G. Lütjens, A. Wylie, W. Hoogland, C. Daum, Stephen Watts, R. J. Tapper, V. Chabaud, B.D. Hyams, U. Stierlin, E. Neugebauer, Z. Hajduk, M. Turala, R. Klanner, R.S. Gilmore, G. Lutz, E. Belau, J. Malos, S. Gill, U. Koetz, C. Hardwick, T. Zeludziewicz, Hans Dijkstra, G. Waltermann, W. Männer, H.G.J.M. Tiecke, G. de Rijk, A. R. Gillman, P. Weilhammer, M. Rozanska, L. W. Wiggers, K. Rybicki, T. Böhringer, R. Bailey, Fred Wickens, and C.J.S. Damerell

Subjects
Physics, Physics and Astronomy (miscellaneous), chemistry, Meson, Analytical chemistry, Tantalum, chemistry.chemical_element, Elementary particle, Production (computer science), Beryllium, Atomic physics, Engineering (miscellaneous)
Abstract

TheA-dependence of the inclusive ϑ meson cross-section is measured using two target materials, beryllium and tantalum, in the kinematic range 0

Published
1984

5. Measurement of the lifetime of charged and neutralD mesons with high resolution silicon strip detectors

Author

M. Rozanska, A. R. Gillman, E. Belau, L. W. Wiggers, W. Hoogland, A. Wylie, Martine Bosman, C. Hardwick, G. de Rijk, J. Richardson, J. Kemmer, U. Stierlin, R. Klanner, Z. Hajduk, H. Palka, E. Neugebauer, R. Bailey, V. Chabaud, Hans Dijkstra, G. Lutz, S. Kwan, P. Weilhammer, J. Malos, U. Kötz, K. Rybicki, T. Böhringer, M. Turala, Fred Wickens, S. Gill, T. Zeludziewicz, C.J.S. Damerell, M. Pepé, H.G.J.M. Tiecke, G. Lütjens, B.D. Hyams, R. J. Tapper, G. Waltermann, W. Männer, R.S. Gilmore, H. J. Seebrunner, and C. Daum

Subjects
Physics, Particle physics, Physics and Astronomy (miscellaneous), Silicon, chemistry, Meson, chemistry.chemical_element, High resolution, High Energy Physics::Experiment, Elementary particle, Atomic physics, Nuclear Experiment, Engineering (miscellaneous)
Abstract

We have measured the lifetime of charged and neutralD mesons using high resolution silicon strip detectors in the NA11 spectrometer at the CERN SPS. TheD mesons were produced in 200 GeV π− interactions. We obtain a value of $$\tau _{D^ \pm } = \left( {10.6\begin{array}{*{20}c} { + 3.6} \\ { - 2.4} \\ \end{array} } \right) \cdot 10^{ - 13} s$$ based on 28, and $$\tau _{D^0 } = \left( {3.7\begin{array}{*{20}c} { + 1.0} \\ { - 0.7} \\ \end{array} } \right) \cdot 10^{ - 13} s$$ based on 26 fully reconstructed decays for the lifetime of the charged and the neutralD meson, respectively. For the ratio $$\tau _{D^ \pm } /\tau _{D^0 }$$ we find 2.8 −0.8 +1.1 .

Published
1985

6. Measurement ofD meson production in 200 GeV π−-Be interactions

Author

U. Kötz, H. J. Seebrunner, Fred Wickens, H.G.J.M. Tiecke, E. Belau, W. Hoogland, E. Neugebauer, G. Lutz, J. Richardson, A. Wylie, G. Waltermann, W. Männer, R. J. Tapper, Z. Hajduk, M. Rozanska, L. W. Wiggers, Martine Bosman, U. Stierlin, S. Kwan, R. Klanner, S. Gill, C.J.S. Damerell, R.S. Gilmore, P. Weilhammer, C. Daum, G. de Rijk, R. Bailey, V. Chabaud, J. Malos, M. Turala, K. Rybicki, T. Böhringer, M. Pepé, G. Lütjens, A. R. Gillman, T. Zeludziewicz, H. Paŀka, B.D. Hyams, J. Kemmer, Hans Dijkstra, and C. Hardwick

Subjects
Nuclear physics, Physics, Single electron, Particle physics, Meson production, Physics and Astronomy (miscellaneous), Meson, Elementary particle, Quantum field theory, Engineering (miscellaneous), Silicon microstrip detectors, Vertex (geometry)
Abstract

We have measured the differential and total cross sections ofD meson production in 200 GeV π−-beryllium interactions, using a sample of 48 fully reconstructed and nearly background-freeD mesons in the decay channelsK∓π±,K∓π±π± andK∓π∓π±π±. A single electron trigger has been used to select events containing a pair of charmed particles. A vertex telescope of 6 silison microstrip detectors allowed the reconstruction of tracks of charged secondaries and the reconstruction of primary and decay vertices with high precision. The ratio of branching fractions for\(\mathop {D^0 }\limits^{( - )} \to K^ \mp \pi ^ \pm \) to\(\mathop {D^0 }\limits^{( - )} \to K^ \mp \pi ^ \mp \pi ^ \pm \pi ^ \pm \), and an upper limit for\(D^0 - \bar D^0 \) mixing are presented.

Published
1986

7. InclusiveK *0(890) and $$\bar K*^0 $$ (890) production on beryllium byK − and π− at 175 GeV

Author

Z. Hajduk, C.J.S. Damerell, E. Belau, W. Hoogland, Jos Vermeulen, V. Chabaud, C. Dauin, G. Waltermann, A. Dwurazny, K. Rybicki, R. Bailey, Martine Bosman, T. Böhringer, G. Polok, R.S. Gilmore, G. Lutz, A. Wylie, A. R. Gillman, W. Männer, Marcos Cerrada, U. Stierlin, L. Görlich, R. J. Tappel, D. G. Bardsley, R. Klanner, J. Malos, T. Zeludziewicz, B.D. Hyams, G. Lütjens, M. Turala, W. Spierenburg, H.G.J.M. Tiecke, P. Weilhammer, Hans Dijkstra, G. de Rijk, C. Hardwick, M. Rozanska, L. W. Wiggers, H. J. Seebrunner, and Fred Wickens

Subjects
Physics, Quark, Particle physics, Physics and Astronomy (miscellaneous), Hydrogen, Hadron, chemistry.chemical_element, Nuclear physics, symbols.namesake, chemistry, symbols, Feynman diagram, Production (computer science), Beryllium, Engineering (miscellaneous), Beam (structure), Bar (unit)
Abstract

The reactions $$K^ - Be \to {}^(\bar K^) *^0 (890)X,\pi ^ - Be \to {}^(\bar K^) *^0 (890)X$$ , have been studied in a 175 GeV unseparated hadron beam in the kinematic range 0

Published
1984

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