PHASE SHIFT ANALYSIS OF THE p p AMPLITUDES IN THE ENERGY RANGE 380-MeV TO 1000-MeV

Shklyarevsky, G.M. ;
Sov.J.Nucl.Phys. 47 (1988) 76-82, 1988.
Inspire Record 231081 DOI 10.17182/hepdata.17359
2 data tables match query

THE PHASES IN THIS TABLE WERE FIXED AT INITIAL STAGE OF PWA.

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Real part of spinless p p-scattering amplitude at zero angle in the energy region from 0.135 to 1.700 gev/c

Amirkhanov, I.V. ; Bystritskii, V.M. ; Vertogradov, L.S. ; et al.
Yad.Fiz. 17 (1973) 1222-1224, 1973.
Inspire Record 85077 DOI 10.17182/hepdata.19177

None

1 data table match query

FORWARD AMPLITUDE DEDUCED FROM D(SIG)/DOMEGA IN COULOMB-NUCLEAR INTERFERENCE REGION.


New Data on K- p --> K- p and anti-K0 n and a Partial Wave Analysis Between 1840-MeV and 2234-MeV Center-of-Mass Energy

Hemingway, R.J. ; Eades, J. ; Harmsen, D.M. ; et al.
Nucl.Phys.B 91 (1975) 12-32, 1975.
Inspire Record 98477 DOI 10.17182/hepdata.32035

The angular distributions of the reactions K - p → K - p and K - p → K K 0 n have been measured at 23 incident K - momenta between 1.136 and 1.798 ifGeV/c using the bubble chamber technique. These data, together with other published data on the same reactions, including K - p polarisations, K̄N total cross sections, and measurements of Re ƒ(0)/ Im ƒ(0) , have been analysed in terms of partial-wave amplitudes. Resonance behaviour is confirmed for the P 03 partial wave at 1890 MeV. The resonance parameters of the F 15 (1915), F 17 (2030) and G 07 (2100) have been redetermined. No evidence has been found for new resonances coupling significantly to K K N in the energy region explored.

1 data table match query

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MEASUREMENT OF THE POLARIZATION PARAMETER IN pi+ p SCATTERING FROM 750-MeV/c TO 3750-MeV/c

Johnson, Clairborne Holt, Jr. ;
UCRL-17683, 2012.
Inspire Record 1087657 DOI 10.17182/hepdata.18471

None

15 data tables match query

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Measurements of polarization in pi- p elastic scattering at large angles

Hill, D. ; Koehler, P.F.M. ; Novey, T.B. ; et al.
Phys.Rev.Lett. 27 (1971) 1241-1243, 1971.
Inspire Record 68894 DOI 10.17182/hepdata.229

We have made measurements of polarization in π−p elastic scattering, with emphasis over the backward region, at 1.60 to 2.28 GeVc. The results indicate the absence of u-channel dominance in the backward region, as was observed in the case of π+p scattering. Comparisons have been made with predictions of various phase-shift analyses which show that the agreement is generally very poor in the backward region.

9 data tables match query

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Scattering of $\pi^-$ Mesons in the Momentum Range 0.643-{GeV}/$c$ to 2.14-{GeV}/$c$ From a Polarized Proton Target

Cox, C.R. ; Duke, P.J. ; Heard, K.S. ; et al.
Phys.Rev. 184 (1969) 1453, 1969.
Inspire Record 18772 DOI 10.17182/hepdata.13

The asymmetry in the scattering of π− mesons by polarized protons has been measured at 50 different momenta from 0.643 to 2.14 GeV/c. Results were obtained at values of cosθ ranging from approximately +0.9 to -0.95 in the c.m. system at each incident pion momentum. The pion beam was incident on a 7.6-cm-long crystal assembly of lanthanum magnesium nitrate, in which the hydrogen in the water of crystallization was polarized by the "solid effect." The total momentum spread of the beam was 10% (full width at half-height) and data were collected simultaneously in 4 momentum channels, each with 2½% full width at half-height. A gas Čherenkov counter was used to reject incoming electrons. Scattered particles were detected in scintillation counter arrays placed within the 10-cm gap of the polarized target magnet. Encoded information from each array was stored in the memory of a PDP-5 computer connected on-line to a fast electronic logic network. The computer was programmed to classify the events according to momentum and scattering angle and subdivide them into coplanar and noncoplanar categories. The latter provided a measure of the background. The results have been expressed in the form of an expansion in terms of first associated Legendre polynomial series and compared with the predictions of recent phase-shift solutions. It is concluded that although these analyses give satisfactory predictions of the general features of the results, no one solution gives complete agreement with the data above about 1.0 GeV/c.

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MEASUREMENT OF THE ASYMMETRY OF ELASTIC PION - PROTON SCATTERING AT 1.4-GeV/c TO 2.1-GeV/c MOMENTA

Budkovsky, P.E. ; Dobrov, V.M. ; Zhurkin, V.V. ; et al.
90-97, 1985.
Inspire Record 214097 DOI 10.17182/hepdata.40129

None

1 data table match query

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Energy dependent measurements of the p p elastic analyzing power and narrow dibaryon resonances

Kobayashi, Y. ; Kobayashi, K. ; Nakagawa, T. ; et al.
Nucl.Phys.A 569 (1994) 791-820, 1994.
Inspire Record 320015 DOI 10.17182/hepdata.38528

The energy dependence of the pp elastic analyzing power has been measured using an internal target during polarized beam acceleration. The data were obtained in incident-energy steps varying from 4 to 17 MeV over an energy range from 0.5 to 2.0 GeV. The statistical uncertainty of the analyzing power is typically less than 0.01. A narrow structure is observed around 2.17 GeV in the two-proton invariant mass distribution. A possible explanation for the structure with narrow resonances is discussed.

1 data table match query

Statistical errors only.


Coulomb-Nuclear Interference in pi+- p and K+- p Elastic Scattering Below 3-GeV: Measurements, Real Parts and K+- p Dispersion Relations

Baillon, P. ; Bricman, C. ; Ferro-Luzzi, M. ; et al.
Nucl.Phys.B 105 (1976) 365-430, 1976.
Inspire Record 101037 DOI 10.17182/hepdata.13243

The differential cross sections for π + p elastic scattering at0.6, 1.0, 1.5, 2.0, GeV/ c for π - p at 1.0, 1.5, 2.0 GeV/ c , for K - p at 1.2, 1.8, 2.6 GeV/ c and for K - p at 0.9, 1.2, 1.4, 1.6, 1.8, 2.6 GeV/ c have been measured with an overall accuracy ofthe order of 1 to 2% in an electronics experiment over the angular region corresponding to momentum transfer t between 0.0005 and 0.10 GeV 2 . Making use of the interference effects between the Coulomb and the nuclear interaction, we have determined the magnitude and sign of the real part of the scattering amplitude near t = 0. The K ± p real parts have been used in a dispersion relation to derive the value of the KNΛ coupling constant.

20 data tables match query

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Asymmetry in $\pi^- P$ (Polarized) Elastic Scattering in Momentum Range 1.4-{GeV}/c - 2.1-{GeV}/c

Alekseev, I.G. ; Budkovsky, P.E. ; Kanavets, V.P. ; et al.
Nucl.Phys.B 348 (1991) 257-275, 1991.
Inspire Record 285067 DOI 10.17182/hepdata.33071

Results of systematic measurements of the asymmetry parameter in the elastic scattering of pions on polarized protons at 1.4–2.1 GeV/ c in the backward hemisphere are presented together with a test of the isospin invariance of the data set available on pion-proton scattering in the investigated momentum range. The transversity isodoublet amplitudes at 1.98 and 2.07 GeV/ c are reconstructed. The obtained data, the isospin analysis and amplitude reconstruction results are compared with the current phase-shift analysis predictions.

1 data table match query

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