Taylor, R.E.
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POSITIVE PION PRODUCTION BY POLARIZED BREMSSTRAHLUNG

Taylor, R.E. ; Mozley, R.F. ;
Phys.Rev. 117 (1960) 835, 1960.
Inspire Record 16518 DOI 10.17182/hepdata.26847

By selecting bremsstrahlung produced in a 0.003-in. aluminum radiator at a small angle from the original electron direction, a beam of polarized bremsstrahlung has been obtained from the Stanford linear accelerator. The variation of the polarization and intensity with angle has been studied and compared with theoretical predictions. The polarized beam has been used to study π+-meson production at 90° c.m. angle and photon energies of 242, 296, 337, and 376 Mev. The ratio of meson production along and at right angles to the electric field vector has been measured and compared with the values predicted by the relativistic dispersion relation.

1 data table
Table 1

No description provided.


EXCITATION OF THE 15.1-MeV AND 16.1-MeV LEVELS OF THE C-12 NUCLEUS BY ELECTRON SCATTERING

Dudelzak, B. ; Taylor, R.E. ;
J.Phys.Radium 22 (1961) 544, 1961.
Inspire Record 16520 DOI 10.17182/hepdata.37717

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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PHOTOPRODUCTION OF POSITIVE PIONS FROM HYDROGEN NEAR THRESHOLD

Lewis, G.M. ; Azuma, R.E. ; Gabathuler, E. ; et al.
Phys.Rev. 125 (1962) 378, 1962.
Inspire Record 8499 DOI 10.17182/hepdata.26792

The variation of the differential cross section for π+ photoproduction from hydrogen, with γ-ray energy, has been examined at a laboratory angle of 58° to the γ-ray beam. A thin hydrogen target, and a counter system designed to eliminate random events, have been employed. Mean values for the differential cross section dσdΩ at γ-ray energies of 162, 168, 175, and 192 Mev are 5.42±0.38, 5.77±0.41, 6.74±0.47, and 8.22±0.58 μb/sr, respectively, where the error limits refer to relative values. The results substantiate the rising trend of the interaction quantity {(dσdΩ)(μ2pε)(1+ωM)2} near threshold, in accord with dispersion theory; and the absolute cross sections are compatible with a threshold value for a0+ near 20 μb/ steradian, consistent with findings in related pion work.

1 data table
Table 1

No description provided.


High-Energy Proton Scattering from Carbon and Deuterium

Cocconi, G. ; Diddens, A.N. ; Lillethun, E. ; et al.
Phys.Rev. 126 (1962) 277-278, 1962.
Inspire Record 944981 DOI 10.17182/hepdata.26781

The momentum spectra of protons scattered from carbon and deuterium at angles close to 60 mrad and for incident proton momenta between 12 and 27 Gev/c have been measured. The data show good agreement with calculations based on plural quasi-elastic proton-nucleon scattering within the nucleus.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


ELECTRON - PROTON SCATTERING AT LOW MOMENTUM ENERGIES

Lehmann, P. ; Taylor, R.E. ; Wilson, Richard ;
Phys.Rev. 126 (1962) 1183, 1962.
Inspire Record 16521 DOI 10.17182/hepdata.26811

We have measured the electron-proton scattering cross section at 248.9 Mev, 104.81°; 209.6 Mev, 149.75°; and 139.3 Mev, 104.19°. We find the following values: F1=0.767±0.025, F2=0.707±0.028, and F1F2=1.085±0.025 at −q2=2.98 f−2. F=0.902±0.011 at −q2=1.05 f−2. The last result agrees with previous measurements. The others are new contributions.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


High-Energy Nucleon-Nucleon total Cross Sections

Diddens, A.N. ; Lillethun, E. ; Manning, G. ; et al.
Phys.Rev.Lett. 9 (1962) 32-34, 1962.
Inspire Record 944903 DOI 10.17182/hepdata.46

None

3 data tables
Table 1

'1'. '2'. '3'.

Table 2

No description provided.

Table 3

No description provided.


High-Energy Proton-Proton Diffraction Scattering

Diddens, A.N. ; Lillethun, E. ; Manning, G. ; et al.
Phys.Rev.Lett. 9 (1962) 108-111, 1962.
Inspire Record 46802 DOI 10.17182/hepdata.21634

None

7 data tables
Table 1

This table from the from the Erratum.

Table 2

Table 1.

Table 3

Table 2.

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High-Energy Proton-Proton Scattering

Diddens, A.N. ; Lillethun, E. ; Manning, G. ; et al.
Phys.Rev.Lett. 9 (1962) 111-114, 1962.
Inspire Record 46897 DOI 10.17182/hepdata.19387

None

1 data table

n-p Elastic Charge Exchange in the BeV Energy Region

Palevsky, H. ; Moore, J.A. ; Stearns, R.L. ; et al.
Phys.Rev.Lett. 9 (1962) 509-511, 1962.
Inspire Record 46894 DOI 10.17182/hepdata.209

None

6 data tables
Table 1

'1'. '2'.

Table 2

No description provided.

Table 3

No description provided.

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pi-p Two-Prong Interactions at 4.16 GeV/c

Eisner, R.L. ; Johnson, P.B. ; Klein, P.R. ; et al.
Phys.Rev. 164 (1967) 1699-1710, 1967.
Inspire Record 52292 DOI 10.17182/hepdata.26569

An analysis of π−p two-prong interactions at 4.16 GeV/c is presented. The total two-prong cross section is 19.11±0.40 mb, based on 33 672 events. The elastic-scattering differential cross section shows an exponential behavior, Kexp(−AΔ2). With A=7.36±0.14 GeV−2, the "absorption parameters" are derived as C+=0.846±0.017 and γ+=0.040±0.001. The final-state π−π0p exhibits a strong ρ−, and the π−π+n a strong ρ0 and f0. The partial cross sections for the dominant resonant channels pρ−, π−Δ+(1236) (→pπ0), ρ0n, and f0n are 0.59±0.03, 0.17±0.01, 1.15±0.05, and 0.53±0.06 mb, respectively. The ρ− production and decay angular distributions do not agree with the predictions of the absorption-modified one-pion-exchange model. However, an inclusion of the contribution from ω exchange adequately accounts for the discrepancy. The ρ0 asymmetry is interpreted as a result of an interference of the resonant P wave and isospin-zero S wave, and the corresponding spin-density matrix elements are obtained. In the final state π−p+neutrals, a clear peak for the η meson and some evidence for the ω meson are seen.

1 data table
Table 1

Axis error includes +- 0.0/0.0 contribution (?////EVENT NORMALIZATION).