$N^*\to N \eta^\prime$ decays from photoproduction of $\eta^\prime$-mesons off protons - INSPIRE

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$N^*\to N \eta^\prime$ decays from photoproduction of $\eta^\prime$ -mesons off protons

A.V. Anisovich
(
- Bonn U., HISKP and
- St. Petersburg, INP
)
,
V. Burkert
(
- Jefferson Lab
)
,
P.M. Collins
(
- Arizona State U.
)
,
M. Dugger
(
- Arizona State U.
)
,
E. Klempt
(
- Bonn U., HISKP and
- Jefferson Lab
)

Jun 16, 2017

6 pages

Published in:

Phys.Lett.B 772 (2017) 247-252

Published: Sep 10, 2017

e-Print:

1706.05144 [nucl-ex]

DOI:

10.1016/j.physletb.2017.06.052

PDG:

{{\mathit N}{(1895)}}

\rightarrow

{{\mathit N}}{{\mathit \eta}}

View in:

ADS Abstract Service

reference search21 citations

Citations per year

Abstract: (Elsevier)

A study of the partial-wave content of the γp→η′p reaction in the fourth resonance region is presented, which has been prompted by new measurements of polarization observables for that process. Using the Bonn–Gatchina partial-wave formalism, the incorporation of new data indicates that the N(1895)1/2− , N(1900)3/2+ , N(2100)1/2+ , and N(2120)3/2− are the most significant contributors to the photoproduction process. New results for the branching ratios of the decays of these more prominent resonances to Nη′ final states are provided; such branches have not been indicated in the most recent edition of the Review of Particle Properties. Based on the analysis performed here, predictions for the helicity asymmetry E for the γp→η′p reaction are presented.

Note:

7 pages, 5 figures, 3 tables

Baryon spectroscopy
Meson photoproduction
Polarization observables
resonance: decay
branching ratio
helicity: asymmetry
beam: asymmetry
N(1900)
N(2100)
polarization

References(28)

Figures(6)

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