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Production of the excited charm mesons D-1 and D-2* at HERA

Abstract:

The production of the excited charm mesons D 1(2420) and D2*(2460) in ep collisions has been measured with the ZEUS detector at HERA using an integrated luminosity of 373pb -1. The masses of the neutral and charged states, the widths of the neutral states, and the helicity parameter of D 1(2420) 0 were determined and compared with other measurements and with theoretical expectations. The measured helicity parameter of the D10 allows for some mixing of S- and D-waves in its decay to D *±π Π. T...

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Publication status:
Published

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Journal:
NUCLEAR PHYSICS B More from this journal
Volume:
866
Issue:
3
Pages:
229-254
Publication date:
2013-01-21
DOI:
ISSN:
0550-3213
Language:
English
Pubs id:
pubs:354610
UUID:
uuid:8cea9a95-fbb1-4cf6-be27-8a450b548312
Local pid:
pubs:354610
Source identifiers:
354610
Deposit date:
2013-11-17

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