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Production of excited charm and charm-strange mesons at HERA

Abstract:

The production of excited charm, D 1(2420)0 and D 2* (2460)0, and charm-strange, D s1(2536)±, mesons in ep collisions was measured with the ZEUS detector at HERA using an integrated luminosity of 126 pb -1. Masses, widths and helicity parameters were determined. The measured yields were converted to the rates of c quarks hadronising as a given excited charm meson and to the ratios of the dominant D 2* (2460)0 and D s1(2536) ± branching fractions. A search for the radially excited charm meson,...

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Journal:
European Physical Journal C
Volume:
60
Issue:
1
Pages:
25-45
Publication date:
2009-03-05
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
URN:
uuid:d600ff71-18b4-4d6d-9cec-f1c92d4acef9
Source identifiers:
110031
Local pid:
pubs:110031
Language:
English

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