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4 results on '"Saarikko, Y. T. M."'

1. Cross sections and charged multiplicity distributions for π+p,K+p andpp interactions at 250 GeV/c

Author

Adamus, M., Agababyan, N. M., Ajinenko, I. V., Bellgardt, U., Belokopytov, Yu. A., Białkowska, H., Boettcher, H., Brun, R., Chliapnikov, P. V., Crijns, F., De Roeck, A., Dziunikowska, K., Endler, A. M. F., Eskreys, A., Falaleev, V. P., Friebel, W., Gavrjusev, V. G., Gorelov, I. V., Graessler, H., van Hal, P., Hrubec, J., Karamyan, J. K., Kisielewska, D., Kistenev, E. P., Kittel, W., Kurnosenko, A. I., Lauhakangas, R. T. A., Loos, M., Meijers, F., Michałowska, A. B., Naumann, T., Neuhofer, G., Nikolaenko, V. I., Oliverira, L. C. S., Olkiewicz, K., Petrovykh, L. P., Roloff, H. E., Rybin, A. M., Saarikko, H. M. T., Saarikko, Y. T. M., Schmitz, P., Schmitz, W., Scholten, L., Startchenko, E. A., Stepaniak, J., Stergiou, A., Struczinski, W., Tchikilev, O. G., Theocharopoulos, P., Toet, D., Van Immerseel, M., Verbeure, F., Vorobjev, A. P., Wischnewski, R., Wróblewski, A., and Zotkin, S. A.

Abstract

Cross sections and charged multiplicity distributions for p+p,K+p andpp interactions at 250 GeV/c are presented and compared to each other as well as to earlier (for p+p andK+p lower energy) data. Consistently, the meson-proton (M+p) data have narrower multiplicity distributions and higher average multiplicity thanpp data. Up to our energy, generalized KNO functions describe the energy dependence of the shape of the multiplity distribution with one parameter forM+p and one forpp collisions. If interpreted in terms of negative binomials, the parameter 1/k tends to be slightly lower forM+p than forpp data. For both types of hadron-hadron collision, 1/k is larger than fore+e- andlp collisions.

Published
1986
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2. Phase space dependence of the multiplicity distribution in π+ andpp collisions at 250 GeV/c

Author

Adamus, M., Agababyan, N. M., Ajinenko, I. V., Belokopytov, Yu. A., Białkowska, H., Böttcher, H., Chliapnikov, P. V., Crijns, F., De Roeck, A., De Wolf, E. A., Dziunikowska, K., Endler, A. M. F., Friebel, W., Graessler, H., van Hal, P., Karamyan, J. K., Kisielewska, D., Kittel, W., Kurnosenko, A. I., Levchenko, B. B., Meijers, F., Merk, M., Michałowska, A. B., Nikolaenko, V. I., Oliveira, L. C. S., Olkiewicz, K., Ronjin, V. M., Rybin, A. M., Saarikko, H. M. T., Saarikko, Y. T. M., Schmitz, W., Scholten, L., Sotnikova, N. A., Stepaniak, J., Tchikilev, O. G., Tikhonova, L. A., Uvarov, V. A., Verbeure, F., and Wischnewski, R.

Abstract

The charged particle multiplicity distribution has been studied for non-single-diffractive p+p andpp collisions at " GeV, for full phase space as well as for intervals in rapidity, azimuthal angle and transverse momentum. In general, the multiplicity distribution is well described by a negative binomial. From comparison of the distribution for negative or positive particles to that of all charged particles, cascading is favoured as an interpretation over stimulated emission. Interesting consequences follow from a comparison of our results to those at collider energies and toe+e- data at comparable energy. Furthermore, evidence is given that the multiplicity distribution is not exactly of negative binomial type in every (connected or disconnected) phase space region.

Published
1988
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3. Inclusive meson resonance production inK+p interactions at 250 GeV/c

Author

Agababyan, N. M., Ajinenko, I. V., Belokopytov, Yu. A., Boettcher, H., Chliapnikov, P. V., Crijns, F., De Roeck, A., De Wolf, E. A., Dziunikowska, K., Garutchava, Z. C., Gavrjusev, V. G., Graessler, H., Gulkanyan, G. R., van Hal, P., Haupt, T., Kittel, W., Kisielewska, D., Meijers, F., Michalowska, A. B., Nikolaenko, V. I., Oliveira, L. C. S., Olkiewicz, K., Ronjin, V. M., Rybin, A. M., Saarikko, H. M. T., Saarikko, Y. T. M., Schmitz, W., Scholten, L., Tchikilev, O. G., Tikhonova, L. A., Tomaradze, A. G., Uvarov, V. A., Verbeure, F., Wischnewski, R., Wróblewski, A., and Zotkin, S. A.

Abstract

A detailed analysis of the inclusive production of the vector mesonsf,K*+,0(892) " and the tensor mesonsK2*0)(1430) andf2(1270) inK+p interactions at 250 GeV/c is presented The data are compared with results at lower energies and with various quark-parton models. The production of?0,K*0(892) and " increases at the same rate as a function ofs, is concentrated in the central region and is not reproduced by the models. Production of the tensor mesonsf2(1270) andK2*0(1340) is suppressed relative to?0 andK*0(892) by a factor of about 3.

Published
1989
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4. Inclusive π0 production in π+p,K+p andpp interactions at 250 GeV/c

Author

Aiinenko, I. V., Atayan, M. R., Belokopytov, Yu. A., Białkowska, H., Boettcher, H., Brun, R., Chliapnikov, P. V., Crijns, F., De Roeck, A., De Wolf, E. A., Dreher, C., Dziunikowska, K., Endler, A. M. F., Friebel, W., Gevorkyan, G. V., Graessler, H., Gumenyuk, S. A., van Hal, P., Hrubec, J., Karamyan, J. K., Kistenev, E. P., Kittel, W., Kowalski, M., Kurnosenko, A. I., Meijers, F., Minaev, N. G., Michałowska, A. B., Neuhofer, G., Nikolaenko, V. I., Oliveira, L. C. S., Olkiewicz, K., Petrovykh, L. P., Riipinen, E., Rybin, A. M., Saarikko, H. M. T., Saarikko, Y. T. M., Schmitz, P., Schmitz, W., Scholten, L., Sotnikova, N. A., Stepaniak, J., Stergiou, A., Stopchenko, V. A., Tchikilev, O. G., Tikhonova, L. A., Toet, D., Uvarov, V. A., Verbeure, F., Vorobjev, A. P., Wischnewski, R., Wróblewski, A., and Zotkin, S. A.

Abstract

Data are presented on inclusive p0 production in the forward c.m. hemisphere (xF>0.025) in p+p,K+p andpp interactions at 250 GeV/c. These data are compared to results at other energies and interpreted in terms of quark-parton models.

Published
1987
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