Contribution of higher nucleon resonances to $K^*{\Lambda}$ photoproduction - INSPIRE

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Contribution of higher nucleon resonances to $K^*{\Lambda}$ photoproduction

Sang-Ho Kim
(
- Inha U.
)
,
Seung-il Nam
(
- Korea Inst. Advanced Study, Seoul
)
,
Yongseok Oh
(
- Korea Inst. Advanced Study, Seoul and
- Kyungpook Natl. U.
)
,
Hyun-Chul Kim
(
- Inha U. and
- Korea Inst. Advanced Study, Seoul
)

Oct, 2011

12 pages

Published in:

Phys.Rev.D 84 (2011) 114023

e-Print:

1110.6515 [hep-ph]

DOI:

10.1103/PhysRevD.84.114023

Report number:

INHA-NTG-16-2011,
KIAS-P11064

View in:

ADS Abstract Service

reference search64 citations

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Abstract: (arXiv)

We investigate K*{\Lambda}(1116) photoproduction off the proton and neutron targets in the effective Lagrangian method in the tree-level Born approximation. In addition to the K, K*, and {\kappa} exchanges which are the main contributions to the reaction, we consider the contributions from the higher nucleon resonances D13(2080) and the D15(2200). We find that the D13(2080) plays a crucial role in explaining the enhancement of the near-threshold production rate, which results in a good agreement with the experimental data for the proton targets, while the contribution of the D15(2200) is rather small. A similar conclusion is drawn for K* photoproduction off the neutron targets. In addition to the energy and angular dependence of the cross sections, we present the predictions on the photon-beam asymmetry.

Note:

12 pages, 19 figures

13.60.Le
14.20.Gk
K* photoproduction
effective Lagrangian method
nucleon resonance
polarization observables
photon nucleon: exclusive reaction
K*(892): photoproduction
Lambda: associated production
differential cross section: angular dependence

References(30)

Figures(20)

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)
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)

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)
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(
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)

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•
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K*{\Lambda}(1116) photoproduction and nucleon resonances

Sang-Ho Kim
(
- Inha U.
)
,
Seung-il Nam
(
- Goyang, Korea Aerospace U.
)
,
Yongseok Oh
(
- Kyungpook Natl. U.
)
,
Hyun-Chul Kim
(
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)

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)
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