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23 results on '"Brodowski, W."'

1. The pp to pp pi pi- reaction studied in the low-energy tail of the Roper resonance

Author

Pätzold, J., Bashkanov, M., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Oelert, W., Bilger, R., Ruber, R.J.M.Y., Schepkin, M., Scobel, W., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Zabierowski, J., Zlomanczuk, J., Brodowski, W., Calen, D. J. E., Clement, H., Ekström, C., Fransson, K., Greiff, J., and Häggström, S.

Subjects
mass spectrum, two-pion [angular distribution], +2p+pi%2B+pi%22">p p --> 2p pi+ pi, pair production [pi], hadroproduction [N(1440)], inelastic scattering [p p], ddc:530, 0.775 GeV-cms, energy dependence [channel cross section], angular distribution [p], experimental results, Uppsala CELSIUS Stor
Abstract

Exclusive measurements of the pp-->pppi(+)pi(-) reaction have been carried out at T-p=775 MeV at CELSIUS using the PROMICE/WASA setup. Together with data obtained at lower energy, they point to a dominance of the Roper excitation in this process. From the observed interference of its decay routes N-*-->Nsigma and N-*-->Deltapi-->Nsigma, their energy-dependent relative branching ratio is determined.

Published
2003

2. Study of the p p -> p p pi+ pi- Reaction in the Low-Energy Tail of the Roper Resonance

Author

Paetzold, J., Bashkanov, M., Bilger, R., Brodowski, W., Calen, H., Clement, H., Ekstrom, C., Fransson, K., Greiff, J., Haggstrom, S., Hoistad, B., Johanson, J., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Oelert, W., Ruber, R. J. M. Y., Schepkin, M., Scobel, W., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Zabierowski, J., and Zlomanczuk, J.

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex)
Abstract

Exclusive measurements of the p p -> p p pi+ pi- reaction have been carried out at Tp = 775 MeV at CELSIUS using the PROMICE/WASA setup. Together with data obtained at lower energy they point to a dominance of the Roper excitation in this process. From the observed interference of its decay routes N* -> N sigma and N* -> Delta pi -> N sigma their energy-dependent relative branching ratio is determined.

Published
2003
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3. Exclusive measurement of the pp->pp pi( )pi(-) reaction near threshold

Author

Brodowski, W., Bilger, R., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Oelert, W., Pätzold, J., Ruber, R.J.M.Y., Schepkin, M., Calen, D. J. E., Scobel, W., Seluzhenkov, I., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. A., Wilhelmi, Z., Zabierowski, J., Zlomanczuk, J., Clement, H., Ekström, C., Fransson, K., Greiff, J., Häggström, S., Höistad, B., and Johanson, J.

Subjects
ddc:550
Published
2002

4. Search for Narrow NNpi Resonances in Exclusive p p -> p p pi+ pi- Measurements

Author

Brodowski, W., Paetzold, J., Bilger, R., Calen, H., Clement, H., Ektrom, C., Fransson, K., Greiff, J., Haggstrom, S., Hoistad, B., Johanson, J., Johansson, A., Johannsson, T., Kilian, K., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Oelert, W., Ruber, R. J. M. Y., Schepkin, M., Scobel, W., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Zabierowski, J., and Zlomanczuk, J.

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex)
Abstract

Narrow structures in the range of a few MeV have been searched for in p p pi+ and p p pi- invariant mass spectra obtained from exclusive measurements of the p p -> p p pi+ pi- reaction at Tp = 725, 750 and 775 MeV using the PROMICE/WASA detector at CELSIUS. The selected reaction is particularily well suited for the search for NN and / or N Delta decoupled dibaryon resonances. Except for a possible fluctuation at 2087 MeV/c^2 in Mpppi- no narrow structures could be identified neither in Mpppi+ nor in Mpppi- on the 3 sigma level of statistical significance, giving an upper limit (95% C.L.) for dibaryon production in this reaction of sigma < 20 nb for 2020 MeV/c^2 < m(dibaryon) < 2085 MeV/c^2, 3 pages, 4 figures

Published
2002
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5. Higher Partial Waves in p+p->p+p+eta near Threshold

Author

Calen, H., Dyring, J., Faldt, G., Fransson, K., Gustafsson, L., Haggstrom, S., Hoistad, B., Johanson, J., Johansson, A., Johansson, T., Kullander, S., Mortsell, A., Ruber, R., Zlomanczuk, J., Ekstrom, C., Kilian, K., Oelert, W., Sefzick, T., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Bondar, A., Kuzmin, A., Shwartz, B., Sidorov, V., Sukhanov, A., Dunin, V., Morosov, B., Povtorejko, A., Zernov, A., Kupsc, A., Marciniewski, P., Stepaniak, J., Zabierowski, J., Turowiecki, A., Wilhelmi, Z., and Wilkin, C.

Subjects
Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment
Abstract

Exclusive measurements of the production of eta mesons in the p+p->p+p+eta reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from phase space are dominated by the proton-proton final state interaction and this influences particularly the energy distribution of the eta meson. However, evidence is also presented at the higher energy for the existence of an anisotropy in the angular distributions of the eta meson and also of the final proton-proton pair, probably to be associated with D-waves in this system interfering with the dominant S-wave term. The sign of the eta angular anisotropy suggests that rho-exchange is important for this reaction., Comment: 16 pages, LaTeX2e, 3 EPS Figures, Updated version, Accepted for publication in Phys. Lett. B

Published
1998

6. Higher Partial Waves in p+p->p+p+eta near Threshold

Author

Calen, H., Dyring, J., Faldt, G., Fransson, K., Gustafsson, L., Haggstrom, S., Hoistad, B., Johanson, J., Johansson, A., Johansson, T., Kullander, S., Mortsell, A., Ruber, R., Zlomanczuk, J., Ekstrom, C., Kilian, K., Oelert, W., Sefzick, T., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Bondar, A., Kuzmin, A., Shwartz, B., Sidorov, V., Sukhanov, A., Dunin, V., Morosov, B., Povtorejko, A., Zernov, A., Kupsc, A., Marciniewski, P., Stepaniak, J., Zabierowski, J., Turowiecki, A., Wilhelmi, Z., and Wilkin, C.

Subjects
Nuclear Theory, FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

Exclusive measurements of the production of eta mesons in the p+p->p+p+eta reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from phase space are dominated by the proton-proton final state interaction and this influences particularly the energy distribution of the eta meson. However, evidence is also presented at the higher energy for the existence of an anisotropy in the angular distributions of the eta meson and also of the final proton-proton pair, probably to be associated with D-waves in this system interfering with the dominant S-wave term. The sign of the eta angular anisotropy suggests that rho-exchange is important for this reaction., 16 pages, LaTeX2e, 3 EPS Figures, Updated version, Accepted for publication in Phys. Lett. B

Published
1998
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7. Recent measurements of the η production in pd collisions at celsius

Author

Bilger, R., Brodowski, W., Calén, H., Clement, H., Ekström, C., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Kurz, G., Marciniewski, P., Morosov, B., Moehn, J., Mörtsell, A., Oelert, W., Reistad, D., Renken, V., Ruber, R., Shwartz, B., Joanna Stepaniak, Sukhanov, A., Wagner, G. J., Wilhelmi, Z., Zabierowski, J., Zernov, A., and Zlomanczuk, J.

8. Pion production in dp → dN π reactions with deuteron projectiles

Author

Greiff, J., Koch, I., Scobel, W., Rohdjeß, H., Dyring, J., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Khoukaz, A., Kullander, S., Ruber, R. J. M. Y., Złomańczuk, J., Dunin, V., Morosov, B., Sukhanov, A., Zernov, A., Kupść, A., Marciniewski, P., Stepaniak, J., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Calén, H., Ekström, C., Janusz Zabierowski, Shwartz, B., Oelert, W., Sefzick, T., and Turowiecki, A.

9. The celsius/WASA facility

Author

Bilger, R., Blom, M., Bogoslawsky, D., Bondar, A., Brodowski, W., Calén, H., Chuvilo, I., Clement, H., Dunin, V., Dyring, J., Ekström, C., Fransson, K., Friden, C. -J, Gustafsson, L., Häggström, S., Höistad, B., Jacewicz, M., Johanson, J., Johansson, A., Tord Johansson, Khoukaz, A., Kilian, K., Kimura, N., Koch, I., Kolachev, G., Komogorov, M., Kullander, S., Kupść, A., Kurdadze, L., Kuzmin, A., Kuznetsov, A., Marciniewski, P., Martemyanov, A., Martemyanov, B., Morosov, B., Mörtsell, A., Nawrot, A., Oelert, W., Oreshkin, S., Petukhov, Y., Povtorejko, A., Przestrzelska, K., Pätzold, J., Reistad, D., Ruber, R. J. M. Y., Sandukovsky, V., Schuberth, U., Sefzick, T., Sidorov, V., Shwartz, B., Sopov, V., Stepaniak, J., Sukhanov, A., Sundberg, P., Tchernychev, V., Tikhomirov, V., Turowiecki, A., Wagner, G., Wilhelmi, Z., Yamamoto, A., Yamaoka, H., Zabierowski, J., Zernov, A., and Złomańczuk, J.

10. The CELSIUS/WASA 4π detector facility

Author

Bargholtz, C., Bilger, R., Blom, M., Bogoslawsky, D., Alexander Bondar, Brodowski, W., Calen, H., Clement, H., Demirörs, L., Dunin, V., Ekström, C., Fransson, K., Friden, C. -J, Greiff, J., Gustafsson, L., Höistad, B., Jacewicz, M., Johanson, J., Johansson, A., Johansson, T., Khoukaz, A., Kilian, K., Kimura, N., Koch, I., Kolachev, G., Komogorov, M., Kullander, S., Kupść, A., Kurdadze, L., Kuzmin, A., Kuznetsov, A., Lundström, B., Marciniewski, P., Martemyanov, B., Morosov, B., Nawrot, A., Nefkens, B. M. K., Norman, G., Oelert, W., Oreshkin, S., Petukhov, Y., Pomp, S., Povtorejko, A., Przestrzelska, K., Pätzold, J., Reistad, D., Ruber, R. J. M. Y., Sandukovsky, V., Scobel, W., Sefzick, T., Sewerin, S., Sidorov, V., Shwartz, B., Sopov, V., Stepaniak, J., Sukhanov, A., Sundberg, P., Tchernychev, V., Tegner, P. -E, Engblom, P. T., Tikhomirov, V., Turowiecki, A., Wagner, G., Wiedner, U., Wilhelmi, Z., Yamamoto, A., Yamaoka, H., Zabierowski, J., Zernov, A., and Zlomańczuk, J.

11. Measurement of the pd→ 3He η cross section between 930 and 1100 MeV

Author

Bilger, R., Brodowski, W., Calén, H., Clement, H., Ekström, C., Fäldt, G., Fransson, K., Gustafsson, L., Höistad, B., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Kurz, G., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Renken, V., Ruber, R. J. M. Y., Shwartz, B., Joanna Stepaniak, Sukhanov, A., Thörngren-Engblom, P., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Wilkin, C., Zabierowski, J., and Złomańczuk, J.

12. Search for narrow NN-decoupled resonances in the πNN-system - An overview

Author

Clement, H., Bilger, R., Brodowski, W., Cálen, H., Cárius, S., Denig, A., Ekström, C., Föhl, K., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johansson, A., Johansson, T., Kilian, K., Kluge, W., Kullander, S., Kurz, G., Kupść, A., Morosov, B., Möhn, J., Mörtsell, A., Oelert, W., Reistad, D., Renken, V., Ruber, R., Schapler, D., Schepkin, M., Schuberth, U., Shwartz, B., Siodlaczek, U., Stepaniak, J., Sukhanov, A., Wagner, G. J., Wieser, R., Janusz Zabierowski, Zernov, A., and Zlomanczuk, J.

13. Differential cross sections of the pp → ppπ0 reaction from 310 to 425 MeV

Author

Złomańczuk, J., Bilger, R., Brodowski, W., Calén, H., Clement, H., Dyring, J., Ekström, C., Fäldt, G., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Tord Johansson, Kilian, K., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Ruber, R. J. M. Y., Schuberth, U., Sundberg, P., Shwartz, B., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Wilkin, C., Zabierowski, J., and Zernov, A.

14. Search for a narrow πNN-resonance in pp → ppπ+π

Author

Bilger, R., Brodowski, W., Cálen, H., Clement, H., Ekström, C., Föhl, K., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johansson, A., Tord Johansson, Kilian, K., Kullander, S., Kurz, G., Kupść, A., Morosov, B., Möhn, J., Mörtsell, A., Oelert, W., Reistad, D., Renken, V., Ruber, R., Schepkin, M., Shwartz, B., Siodlaczek, U., Stepaniak, J., Sukhanov, A., Wagner, G. J., Zabierowski, J., Zernov, A., and Zlomanczuk, J.

15. The pp→pp π+π- reaction studied in the low-energy tail of the Roper resonance

Author

Pätzold, J., Mikhail Bashkanov, Bilger, R., Brodowski, W., Calén, H., Clement, H., Ekström, C., Fransson, K., Greiff, J., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupść, A., Marciniewski, P., Morosov, B., Oelert, W., Ruber, R. J. M. Y., Schepkin, M., Scobel, W., Stepaniak, J., Sukhanov, A., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Zabierowski, J., and Zlomanczuk, J.

16. Kinematically complete measurement of the pd → pdη Reaction

Author

Zlomańczuk, J., Bilger, R., Brodowski, W., Calén, H., Clement, H., Ekström, C., Fäldt, G., Fransson, K., Gustafsson, L., Höistad, B., Johansson, A., Tord Johansson, Kilian, K., Kullander, S., Kupsc, A., Kurz, G., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Renken, V., Ruber, R. J. M. Y., Shwartz, B., Sopov, V., Stepaniak, J., Sukhanov, A., Thörngren-Engblom, P., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Wilkin, C., and Zabierowski, J.

17. Near-threshold pion production inpN collisions at CELSIUS

Author

Złomanczuk, J., Bilger, R., Brodowski, W., Calén, H., Clement, H., Dyring, J., Ekström, C., Fäldt, G., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Marek Jacewicz, Johansson, A., Johansson, J., Johansson, T., Khoukaz, A., Kilian, K., Koch, I., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Ruber, R. J. M. Y., Schuberth, U., Shwartz, B., Stepaniak, J., Sukhanov, A., Sundberg, P., Turowiecki, A., Wagner, G. J., Wilhelmi, Z., Wilkin, C., Zabierowski, J., and Zernov, A.

18. Threshold eta production in pN reactions at CELSIUS

Author

Bilger, R., Bondar, A., Brodowski, W., Calen, H., Clement, H., Dyring, J., Ekström, C., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Kilian, K., Kullander, S., Kupsc, A., Kuzmin, A., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Povtorejko, A., Ruber, R. J. M. Y., Schuberth, U., Sefzick, T., Sidorov, V., Shwartz, B., Sopov, V., Stepaniak, J., Sukhanov, A., Tchernychev, V., Turowiecki, A., Wagner, G., Wilhelmi, Z., Janusz Zabierowski, Zernov, A., and Zlomanczuk, J.

19. Two-pion production in proton-proton collisions near threshold

Author

Calén, H., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johansson, A., Johanson, J., Johansson, T., Khoukaz, A., Kullander, S., Ruber, R., Zlomańczuk, J., Ekström, C., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Oelert, W., Sefzick, T., Greiff, J., Koch, I., Scobel, W., Kupsc, A., Marciniewski, P., Joanna Stepaniak, Morosov, B., Povtorejko, A., Sukhanov, A., Zabierowski, J., and Shwartz, B.

20. Quasifree bremsstrahlung in the dp→dp γ reaction above the pion production threshold

Author

Greiff, J., Koch, I., Scobel, W., Rohdjeß, H., Dyring, J., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Tord Johansson, Khoukaz, A., Kullander, S., Ruber, R. J. M. Y., Złomańczuk, J., Dunin, V., Morosov, B., Sukhanov, A., Zernov, A., Stepaniak, J., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Calén, H., Ekström, C., Kupść, A., Marciniewski, P., Zabierowski, J., Shwartz, B., Oelert, W., Sefzick, T., and Turowiecki, A.

21. Measurement of the quasifree pn → pn η reaction

Author

Calén, H., Dyring, J., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johansson, A., Johansson, T., Kullander, S., Mörtsell, A., Ruber, R., Schuberth, U., Złomańczuk, J., Ekström, C., Kilian, K., Oelert, W., Sefzick, T., Bilger, R., Brodowski, W., Clement, H., Wagner, G. J., Bondar, A., Kuzmin, A., Shwartz, B., Sidorov, V., Sukhanov, A., Kupść, A., Marciniewski, P., Stepaniak, J., Dunin, V., Morosov, B., Povtorejko, A., Zernov, A., Janusz Zabierowski, Turowiecki, A., and Wilhelmi, Z.

22. Exclusive measurement of pp → ppπ+π- at CELSIUS

Author

Brodowski, W., Bilger, R., Clement, H., Pätzold, J., Wagner, G. J., Calén, H., Ekström, C., Dyring, J., Fransson, K., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Kullander, S., Mörtsell, A., Ruber, R. J. M. Y., Sundberg, P., Zlomanczuk, J., Kilian, K., Oelert, W., Kupść, A., Marciniewski, P., Stepaniak, J., Morosov, B., Sukhanov, A., Zernov, A., Schepkin, M. G., Turowiecki, A., Wilhelmi, Z., and Janusz Zabierowski

23. Two-pion production in proton-proton collisions near threshold at CELSIUS

Author

Bilger, R., Brodowski, W., Calen, H., Clement, H., Dyring, J., Ekström, C., Fransson, K., Greiff, J., Gustafsson, L., Häggström, S., Höistad, B., Johanson, J., Johansson, A., Johansson, T., Khoukaz, A., Kilian, K., Koch, I., Kullander, S., Kupsc, A., Marciniewski, P., Morosov, B., Mörtsell, A., Oelert, W., Ruber, R., Schubert, U., Shwartz, B., Joanna Stepaniak, Sukhanov, A., Sundberg, P., Turowiecki, A., Wagner, G., Wilhelmi, Z., Zabierowski, J., Zernov, A., and Zlomanczuk, J.

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