Miller, D.F.
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Recoil-proton polarization in π$^−$ -p elastic scattering at 365 MeV

Dickinson, D.F. ; Helland, J.A. ; Perez-Mendez, V. ;
Phys.Lett. 20 (1966) 549-551, 1964.
Inspire Record 923108 DOI 10.17182/hepdata.69224

The polarization of the recoil proton at this energy depends on the interference of the P 33 phase shift with the P 11 and S 11 phase shifts. The measured values indicate the existence of a large P 11 phase shift. The polarization was measured by scattering from carbon blocks in spark chambers using a Vidicon scanner to record the data.

1 data table
Table 1

No description provided.


STUDY OF p p INTERACTIONS AT 28.5-BeV/c IN TWO AND FOUR PRONG FINAL STATES

Connolly, P.L. ; Ellis, W.E. ; Hough, Paul V.C. ; et al.
C671122-2, 1967.
Inspire Record 1100201 DOI 10.17182/hepdata.50281

None

1 data table
Table 1

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


Two-Charged-Particle Final States from pi-+p Interactions at 2.7 GeVc

Miller, D.H. ; Gutay, L. ; Johnson, P.B. ; et al.
Phys.Rev. 153 (1967) 1423-1442, 1967.
Inspire Record 52271 DOI 10.17182/hepdata.26636

A total of 24 360 events having two charged particles in the final state from π−+p interactions at an incident π− momentum of 2.7 GeVc have been analyzed. The final states π−π+n and π−π0p are found to be dominated by rho-meson production, and in addition, significant N*(1238) production is seen. The partial cross sections for the dominant resonant channels are σ=(pρ−)=(1.3±0.2) mb, σ(nρ0)=(2.3±0.2) mb, and σ[π−N*+(→pπ0)]=(0.5±0.2) mb. The production of the ρ− and ρ0 and the decay of the ρ− agree very well with the predictions of an absorption-modified one-pion-exchange model. The production angular distributions of the ρ0 and ρ− follow an exponential of the form Ae+Bt. The results from a least-squares fit give B(ρ−)=9.32±0.08 (GeVc)−2, B(ρ0)=10.26±0.06 (GeVc)−2. A similar analysis for the elastic-scattering events gave B(el)=7.77±0.05 (GeVc)−2. The ρ0 decay distributions are asymmetric and they have been analyzed using a simple model which includes S−P-wave interference. No clear evidence is seen for a T=0, J=0 resonance at a mass near that of the ρ. The N*(1238) resonance production is found to be in agreement with the ρ-exchange model of Stodolsky and Sakurai. Indication of other resonance production with small cross section is seen, such as A1 and A2 production in the multiple missing neutral events. The masses and widths of the ρ0 and ρ− as a function of the four-momentum transfer squared to the nucleon have been determined.

1 data table
Table 1

No description provided.


High-Energy Inelastic e p Scattering at 6-Degrees and 10-Degrees

Bloom, Elliott D. ; Coward, D.H. ; DeStaebler, H.C. ; et al.
Phys.Rev.Lett. 23 (1969) 930-934, 1969.
Inspire Record 54874 DOI 10.17182/hepdata.21635

Cross sections for inelastic scattering of electrons from hydrogen were measured for incident energies from 7 to 17 GeV at scattering angles of 6° to 10° covering a range of squared four-momentum transfers up to 7.4 (GeV/c)2. For low center-of-mass energies of the final hadronic system the cross section shows prominent resonances at low momentum transfer and diminishes markedly at higher momentum transfer. For high excitations the cross section shows only a weak momentum-transfer dependence.

9 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

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Determination of the total photon - proton cross-section from high-energy inelastic electron scattering

Bloom, Elliott D. ; Cottrell, R.Leslie ; Coward, D.H. ; et al.
SLAC-PUB-0653, 1969.
Inspire Record 54903 DOI 10.17182/hepdata.9945

None

11 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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K- p elastic scattering at 14.25 gev/c

Miller, R.J. ; Phelan, J.J. ; Smith, J.R. ; et al.
Phys.Lett.B 34 (1971) 230-232, 1971.
Inspire Record 69333 DOI 10.17182/hepdata.28529

The K − p differential and total elastic cross-sections have been measured at 14.25 GeV/ c . The results have been compared with various Regge models.

1 data table
Table 1

No description provided.


Resonance production in k- neutron interactions at k- momenta of 1.45 and 1.65 gev/c

Colley, D.C. ; Cox, G.F. ; Eastwood, D. ; et al.
Nucl.Phys.B 31 (1971) 61-85, 1971.
Inspire Record 68588 DOI 10.17182/hepdata.33257

Results are reported on K − -neutron interactions at c.m. energies near 2 GeV. The interactions are dominated by strong production of hyperon resonances, particularly Σ(1385), Λ(1405) and Λ(1520). Production cross sections and angular distributions are given for the Σ(1385), Λ(1405) and Λ(1520) and branching fractions to decay modes observed in the experiment are given for Σ(1385) and Λ(1520). The strong energy dependence of some features of the data suggests that s -channel effects are dominant.

6 data tables
Table 1

No description provided.

Table 2

RESONANCE CROSS SECTIONS FOR <K- PI- P> FINAL STATE.

Table 3

RESONANCE CROSS SECTIONS FOR <AK0 PI- N> FINAL STATE.

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INELASTIC ELECTRON SCATTERING AT LARGE ANGLES

Miller, Guthrie ;
SLAC-R-0129, 1971.
Inspire Record 67114 DOI 10.17182/hepdata.18678

None

18 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Reaction pi+ p ---> eta0 delta++ - a test of a2 regge pole exchange

Grether, D.F. ; Gidal, G. ;
Phys.Rev.Lett. 26 (1971) 792-795, 1971.
Inspire Record 69010 DOI 10.17182/hepdata.21507

New results are presented on the reaction π+p→η0Δ++ between 1.2 and 2.67 GeVc. The data above 2 GeVc, when combined with some existing data, give evidence for a dip in the t distribution near t=−1.5 (GeVc).2 This dip, and other features of the data, are adequately described by an A2 Regge-pole model. The effective A2 trajectory is calculated and found to disagree with that obtained from the reaction π−p→η0n.

1 data table
Table 1

No description provided.


New results on n p ---> d gamma, and time-reversal invariance

Bartlett, D.F. ; Friedberg, C.E. ; Goldhagen, P.E. ; et al.
Phys.Rev.Lett. 27 (1971) 881-885, 1971.
Inspire Record 68910 DOI 10.17182/hepdata.21459

The angular distribution for the reaction n+p→d+γ has been measured at neutron energies of 475, 560, 625, and 750 MeV. Results based on 31 000 events at nine scattering angles are reported and compared with existing data for the inverse reaction, γ+d→n+p. The angular distributions are found to agree, as predicted by time-reversal invariance.

1 data table
Table 1

No description provided.