Date

Neutron-Deuteron Elastic Scattering from 6-GeV/c to 12.5-GeV/c

Chanowski, John P. ; Gustafson, H. Richard ; Longo, Michael J. ; et al.
Phys.Lett.B 61 (1976) 93, 1976.
Inspire Record 2825 DOI 10.17182/hepdata.27665

The differential cross section for neutron-deuteron elastic scattering was measured for four-momentum transfers 0.3 < − t < 2.0 (GeV/c) 2 with incident neutron momenta between 6 and 12.5 GeV/c. The measurement was made with spark chambers at the Argonne ZGS. Results are compared with proton-deuteron elastic scattering at comparable energies as a test of isospin invariance in strong interactions and with the predictions of the Glauber multiple scattering theory. Very good agreement is found.

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Observation of Structure in anti-p p and anti-p d Total Cross-Sections Below 1.1-GeV/c

Carroll, A.S. ; Chiang, I.-H. ; Kycia, T.F. ; et al.
Phys.Rev.Lett. 32 (1974) 247, 1974.
Inspire Record 567 DOI 10.17182/hepdata.21309

Total cross sections of p¯p and p¯d have been measured between 360 and 1050 MeV/c, with high statistical precision. Structures are observed in both cross sections at about the same momenta. For p¯p, the central mass is 1932±2 MeV/c2, and a fit to the data with a simple Breit-Wigner resonance plus background gives Γ=9−3+4 MeV/c2. The data suggest that the structures are in the isospin-1 state.

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Properties of Inclusive Hadron Spectra in Muon Nucleon Scattering at 150-GeV/c

Anderson, H.L. ; Bharadwaj, V.K. ; Booth, N.E. ; et al.
Phys.Rev.Lett. 36 (1976) 1422, 1976.
Inspire Record 3759 DOI 10.17182/hepdata.3268

We have studied muon-produced hadrons from a deuterium target. The structure functions and the charge ratios are reported for neutrons; the transverse momentum and azimuthal distributions are reported for deuterons. The structure function for the neutron is similar to that of the proton. The charge ratio of produced hadrons follows the expectation of a simple spin-½ quark model. Transverse-momentum results agree with those at lower energy and are similar to those from hadron-hadron interactions. No azimuthal anisotropy is seen.

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A Measurement of the Energy Dependence of Elastic $\pi p$ and $p p$ Scattering at Large Angles

Jenkins, K.A. ; Price, L.E. ; Klem, R. ; et al.
Phys.Rev.Lett. 40 (1978) 425, 1978.
Inspire Record 6233 DOI 10.17182/hepdata.3359

We have measured π±p and pp elastic differential cross sections in the range |cosθc.m.|<0.35 for incident momenta from 2 to 9.7 GeV/c for π−p and pp and from 2 to 6.3 GeV/c for π+p. We find that the fixed-c.m.-angle πp differential cross sections cannot be described as simple functions of s. The data are compared to the energy and angular dependence predicted by the constituent model of Gunion, Brodsky, and Blankenbecler.

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General Features of the Anti-p $p$ Interaction at 12-{GeV}/c

Johnson, P. ; Mason, P. ; Muirhead, H. ; et al.
Nucl.Phys.B 173 (1980) 77-92, 1980.
Inspire Record 8886 DOI 10.17182/hepdata.34472

Simple inclusive cross sections for p p interactions at 12 GeV/ c are given. The data cover prong cross sections, V 0 production and resonances. Separation has been made into annihilation and non-annihilation modes. Some implications of the data are discussed. It is pointed out that the ratios of cross sections for ϱ 0 π − production are independent of incident antiproton momentum in p p annihilation processes, and that data at the highest available pp energies (ISR) tend to the same value.

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Measurement of the Total Cross-Section Difference for p p Scattering in Longitudinal Spin States

Auer, I.P. ; Colton, E. ; Hill, D. ; et al.
Phys.Lett.B 67 (1977) 113-116, 1977.
Inspire Record 4411 DOI 10.17182/hepdata.27581

We have measured the total cross-section difference for pp scattering in initial spin states parallel to the beam direction at beam momenta of 1.17, 1.47, 1.69, 1.97 and 2.49 GeV/ c . This measurement was done in a standard transmission experiment. A striking energy dependence is observed with a maximum difference of −16.9 mb at P lab = 1.47 GeV/ c .

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The Real Part of anti-p p Forward Elastic Scattering Amplitude at 0.7-GeV/c

Kaseno, H. ; Hamatsu, R. ; Kawano, K. ; et al.
Phys.Lett.B 61 (1976) 203-206, 1976.
Inspire Record 3400 DOI 10.17182/hepdata.27693

The differential cross sections of p p elastic scattering at 0.7 GeV/ c were obtained in the range 0.0018<| t |⩽0.0320 GeV 2 . From the interference between the Coulomb and the nuclear amplitude, the ratio of real to imaginary part of the forward nuclear amplitude was found to be +0.33±0.04.

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Line Reversal Breaking in K+- n Charge Exchange and K+- n --> K0 Delta (1236) at 4-GeV/c and 6-GeV/c

Phelan, J.J. ; Ambats, I. ; Meyer, W.T. ; et al.
Phys.Lett.B 61 (1976) 483-486, 1976.
Inspire Record 2871 DOI 10.17182/hepdata.27677

Differential cross sections for the line-reversed reaction pairs K + 0p → K o Δ ++ (1236), K − n → K ̄ o Δ − (1236) and K − p → K ̄ o n , K + n → K o p have been measured with good statistics at 4 and 6 GeV/ c . The line reversal breaking for the Δ (1236) reactions is found to have no significant variation with energy and to be larger than for the charge exchange reactions. The cross sections for all four reactions show a dip in the forward direction, indicating the importance of spin-flip amplitudes.

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A Partial Wave Analysis of the ($\bar{K}0 \pi^+ \pi^-$) System Produced in $K^- p \to \bar{K}0 \pi^+ \pi^- n$ at 10-{GeV}/$c$

Konigs, E. ; Otter, G. ; Ransone, G. ; et al.
Phys.Lett.B 74 (1978) 282-286, 1978.
Inspire Record 6169 DOI 10.17182/hepdata.27445

A partial wave analysis of the non-diffractively produced ( K ̄ 0 π + π - system has been performed. The system was produced in the reaction K - p→ K ̄ 0 π + π - n at 10 GeV/ c , measured in the CERN Omega spectrometer. Besides the well-known K ∗ (1420) resonance, we find good evidence for the production of Q 2 (1400) and some indication for Q 1 (1290) production in J P =1 + . In addition we clearly observe a bump in the 1800 MeV region, the properties of which are discussed.

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Cross-Sections and Multiplicity Distributions for anti-p p Annihilations at 4.6-GeV/c

Everett, D. ; Grossmann, P. ; Mason, P. ; et al.
Nucl.Phys.B 73 (1974) 449-464, 1974.
Inspire Record 672 DOI 10.17182/hepdata.32273

Channel cross sections have been determined for p p annihilations into final states containing 3 to 9 pions at 4.6 GeV/ c . The moments of both the charged and neutral pion multiplicity distributions are presented and model predictions are critically examined.

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