http://hdl.handle.net/20.500.12128/7091
Tytuł: | Production of Bc mesons in photon-photon and hadron-hadron collisions |
Autor: | Kołodziej, Karol Leike, A. Ruckl, R. |
Słowa kluczowe: | foton; hadrony |
Data wydania: | 1996 |
Źródło: | Acta Physica Polonica. B, 1996, no. 10, s. 2591-2600 |
Abstrakt: | We discuss two-photon and hadronic production of Bc mesons in nonrelativistic bound state approximation and to lowest order in the coupling constants a and a s . It is shown that in photon-photon collisions, heavy quark fragmentation is dominated by recombination of b and c quarks up to the highest accessible transverse momenta. In contrast, in hadroproduction, which at high energies mainly involves gluon-gluon collisions, the fragmentation mechanism dominates at transverse momenta py > mRc, providing a simple and satisfactory approximation of the complete 0(a ) ) results in the high-px regime. Contradictions in previous publications on hadroproduction of Bc mesons are clarified. We also present predictions for cross sections and differential distributions at present and future accelerators. |
URI: | http://hdl.handle.net/20.500.12128/7091 |
ISSN: | 0587-4254 |
Pojawia się w kolekcji: | Artykuły (WNŚiT) |
Plik | Opis | Rozmiar | Format | |
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Kolodziej_Production_of_bc_mesons.pdf | 502,08 kB | Adobe PDF | Przejrzyj / Otwórz |
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