Blissett, J.A.
hep-ex
DSIG/DOMEGA
[1.795]
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Electroproduction of Eta Mesons in the S11(1535) Resonance Region at High Momentum Transfer

Dalton, M.M. ; Adams, G.S. ; Ahmidouch, A. ; et al.
Phys.Rev.C 80 (2009) 015205, 2009.
Inspire Record 783943 DOI 10.17182/hepdata.50548

The differential cross-section for the process p(e,e'p)eta has been measured at Q2 ~ 5.7 and 7.0 (GeV/c)2 for centre-of-mass energies from threshold to 1.8 GeV, encompassing the S11(1535) resonance, which dominates the channel. This is the highest momentum transfer measurement of this exclusive process to date. The helicity-conserving transition amplitude A_1/2, for the production of the S11(1535) resonance, is extracted from the data. This quantity appears to begin scaling as 1/Q3, a predicted signal of the dominance of perturbative QCD, at Q2 ~ 5 (GeV/c)2.

39 data tables
Table 1

Total cross section for the lower Q**2 data as a function of W. The errors are statistics and systematic added in quadrature.

Table 2

Total cross section for the higher Q**2 data as a function of W. The errors are statistics and systematic added in quadrature.

Table 3

Lower Q**2 extracted differential cross section at W = 1.500 GeV and cos(theta(eta) = -0.917, -0.750 and -0.583.

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The Reaction $\pi^- p \to K^0 \Sigma^0$ Up to 2375-{MeV}/$c$

Hart, J.C. ; Baker, R.D. ; Bell, Kenneth Watson ; et al.
Nucl.Phys.B 166 (1980) 73-83, 1980.
Inspire Record 143420 DOI 10.17182/hepdata.34550

Differential cross-section and polarization measurements for the reaction π − p → K 0 Σ 0 are presented from 1395 to 2375 MeV/ c incident beam momentum. The polarization data from an earlier experiment, from thershold to 1334 MeV/ c , have been re-analysed by an improved method leading to a substantial reduction in the errors.

4 data tables
Table 1

No description provided.

Table 2

TOTAL CROSS SECTIONS DERIVED FROM LEGENDRE POLYNOMIAL FITS TO ANGULAR DISTRIBUTIONS.

Table 3

LEGENDRE POLYNOMIAL FITS TO D(SIG)/DOMEGA.

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Study of the Reaction $\pi^- p \to K^0 \Sigma^0$ From Threshold Up to 1334-{MeV}/$c$

Baker, R.D. ; Blissett, J.A. ; Bloodworth, I.J. ; et al.
Nucl.Phys.B 145 (1978) 402-408, 1978.
Inspire Record 131105 DOI 10.17182/hepdata.34943

New data are presented on the differential cross section and polarisation for the reaction π − p → K 0 Σ 0 at six incident momenta from threshold up to 1334 MeV/ c .

9 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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The Reaction $\pi^- p \to K^0 \Lambda^0$ Up to 1334-{MeV}/$c$

Baker, R.D. ; Blissett, J.A. ; Bloodworth, I.J. ; et al.
Nucl.Phys.B 141 (1978) 29-47, 1978.
Inspire Record 130523 DOI 10.17182/hepdata.34954

New data on differential cross sections and polarisation are presented at nine incident momenta up to 1334 MeV/ c . An energy-dependent phase-shift analysis has been made and resonance parameters are given.

21 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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