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http://hdl.handle.net/20.500.12128/13087| Tytuł: | Kaon pair production close to threshold |
| Autor: | Winter, P. Wolke, M. Adam, H. H. Budzanowski, A. Czyżykiewicz, R. Grzonka, D. Janusz, M. Jarczyk, L. Kamys, B. Khoukaz, A. Kilian, K. Klaja, P. Moskal, P. Oelert, W. Piskor-Ignatowicz, C. Przerwa, J. Ritman, J. Rożek, T. Sefzick, T. Siemaszko, Marek Smyrski, J. Taschner, A. Wustner, P. Zhang, Z. Zipper, Wiktor |
| Słowa kluczowe: | Kaon; Antikaon; Strangeness; Near-threshold meson production |
| Data wydania: | 2006 |
| Źródło: | Physics Letters B, Vol. 635, iss. 1 (2006), s. 23-29 |
| Abstrakt: | The total cross section of the reaction pp → ppK+K - has been measured at excess energies Q = 10 MeV and 28 MeV with the magnetic spectrometer COSY-11. The new data show a significant enhancement of the total cross section compared to pure phase space expectations or calculations within a one boson exchange model. In addition, we present invariant mass spectra of two particle subsystems. While the K+K - system is rather constant for different invariant masses, there is an enhancement in the pK- system towards lower masses which could at least be partially connected to the influence of the Λ(1405) resonance. |
| URI: | http://hdl.handle.net/20.500.12128/13087 |
| DOI: | 10.1016/j.physletb.2006.02.037 |
| ISSN: | 0370-2693 |
| Pojawia się w kolekcji: | Artykuły (WNŚiT) |
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| Winter_Kaon_pair_production.pdf | 479,69 kB | Adobe PDF | Przejrzyj / Otwórz |
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