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Article overview
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$eta$ production off the proton in a Regge-plus-chiral quark approach | | Jun He
; B. Saghai
; | | Date: |
17 May 2010 | | Abstract: | A chiral constituent quark model approach, embodying {it s}- and {it
u}-channel exchanges,complemented with a Reggeized treatment for {it
t}-channel is presented. A model is obtained allowing data for $pi^- p o
eta n$ and $gamma p o eta p$ to be describe satisfactorily. For the latter
reaction, recently released data by CLAS and CBELSA/TAPS Collaborations in the
system total energy range $1.6 lesssim W lesssim 2.8$ GeV are well reproduced
due to the inclusion of Reggeized trajectories instead of simple $
ho$ and
$omega$ poles. Contribution from "missing" resonances is found to be
negligible in the considered processes. | | Source: | arXiv, 1005.2797 | | Services: | Forum | Review | PDF | Favorites | |
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