Journal article
Exclusive electroproduction of two pions at HERA
- Abstract:
- Exclusive production of ρ0 and J/ψ mesons in e+p collisions has been studied with the ZEUS detector in the kinematic range 0.25 < Q2 < 50 GeV2, 20 < W < 167 GeV for the ρ0 data and 2 < Q2 < 40 GeV2, 50 < W < 150 GeV for the J/ψ data. Cross sections for exclusive ρ0 and J/ψ production have been measured as a function of Q2, W and t. The spin-density matrix elements r04 00, r1 1-1i and Re r5 10 have been determined for exclusive ρ0 production as well as r04 00 and r04 1-1 for exclusive J/ψ production. The results are discussed in the context of theoretical models invoking soft and hard phenomena.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 756.7KB, Terms of use)
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- Publisher copy:
- 10.1140/epjc/s10052-012-1869-5
Authors
- Publisher:
- Springer-Verlag
- Journal:
- European Physical Journal C More from this journal
- Volume:
- 72
- Issue:
- 1
- Pages:
- 603-627
- Publication date:
- 2012-01-01
- DOI:
- EISSN:
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1434-6052
- ISSN:
-
1434-6044
- UUID:
-
uuid:85230d5a-6328-42b4-8682-6b8cf376dba6
- Local pid:
-
pubs:166620
- Source identifiers:
-
166620
- Deposit date:
-
2012-12-19
Terms of use
- Copyright holder:
- Abramowicz et al
- Copyright date:
- 2012
- Notes:
-
Copyright © The Author(s) 2012. This article is distributed under the terms of the Creative
Commons Attribution Noncommercial License which permits
any noncommercial use, distribution, and reproduction in any medium,
provided the original author(s) and source are credited.
- Licence:
- CC Attribution (CC BY)
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