[Unknown] et al.
- Production of excited charm and charm-strange mesons at HERA
- European Physical Journal C
- Volume | Issue number
- 60 | 1
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Institute for High Energy Physics (IHEF)
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, D*'(2640)(+/-), was also performed. The results are compared with those measured previously and with theoretical expectations.
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