Polarization Measurements in pi- p, K- p and p p Elastic Scattering at 40-GeV/c

The Saclay-Serpukhov-Dubna-Morsoc collaboration Gaidot, A. ; Bruneton, C. ; Bystricky, J. ; et al.
Phys.Lett.B 57 (1975) 389-392, 1975.
Inspire Record 99592 DOI 10.17182/hepdata.27840

We report final results on the polarization parameter P in elastic scattering of π − , K − and antiprotons at 40 GeV/ c incident momentum. The energy dependence of P (t) in π − p above 10 GeV/ c is well fitted by P (t) α s αR(t)-α P (t) where α R (t) are the effective Regge and Pomeron trajectories respectively. The data in K − p are compatible with exchange degeneracy. The results inp¯p show an important structure for |t|> 0.3 (GeV/c) 2 demonstrating the existence of a large helicity flip amplitude.

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The Structure of the Forward Elastic Cross-Section in 10-GeV-14-GeV Range

Carnegie, R.K. ; Cashmore, R.J. ; Davier, M. ; et al.
Phys.Lett.B 59 (1975) 313-316, 1975.
Inspire Record 100641 DOI 10.17182/hepdata.27763

The logarithmic slope of the differentical cross section for K ± p elastic scattering at 10 and 14 GeV, and for π ± p and p ± p at 10GeV has been measured. Rich structure is observed in the forward slope for all processes, which is well accounted for by the properties of a peripheral exchange amplitude for the nonexotic reactions, and by a peripheral component of the diffractive amplitude as clearly seen in the exotic processes, K ± p and pp.

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GRAPH OF D(SIG)/DT.

SLOPE AS A FUNCTION OF T.


The Real Part of the Forward Elastic Nuclear Amplitude for p p, anti-p p, pi+ p, pi- p, K+ p, and K- p Scattering Between 70-GeV/c and 200-GeV/c

Fajardo, L.A. ; Majka, R. ; Marx, J.N. ; et al.
Phys.Rev.D 24 (1981) 46, 1981.
Inspire Record 152596 DOI 10.17182/hepdata.24028

We have measured the elastic cross section for pp, p¯p, π+p, π−p, K+p, and K−p scattering at incident momenta of 70, 100, 125, 150, 175, and 200 GeV/c. The range of the four-momentum transfer squared t varied with the beam momentum from 0.0016≤−t≤0.36 (GeV/c)2 at 200 GeV/c to 0.0018≤−t≤0.0625 (GeV/c)2 at 70 GeV/c. The conventional parametrization of the t dependence of the nuclear amplitude by a simple exponential in t was found to be inadequate. An excellent fit to the data was obtained by a parametrization motivated by the additive quark model. Using this parametrization we determined the ratio of the real to the imaginary part of the nuclear amplitude by the Coulomb-interference method.

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Measurement of the polarization parameter in pi+- p, k+- p, p p, and anti-p p elastic scattering at 6 gev/c

Borghini, M. ; Dick, L. ; Di Lella, L. ; et al.
Phys.Lett.B 31 (1970) 405-409, 1970.
Inspire Record 63191 DOI 10.17182/hepdata.6078

Experimental results are presented for the polarization parameter P 0 in π ± p , K ± p , pp, and p ̄ p elastic scattering at 6 GeV/ c , and in the range of the invariant four-momentum transfer squared − t from 0.05 to ∼ 2.0 (GeV/ c ) 2 .

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Polarization parameter in k+- p and anti-p p elastic scattering at 10 and 14 gev/c

Borghini, M. ; Dick, L. ; Olivier, J.C. ; et al.
Phys.Lett.B 36 (1971) 497-500, 1971.
Inspire Record 69141 DOI 10.17182/hepdata.37261

Results on polarization in K − p, K + p and p̄p forward elastic scattering at 10 and 14 GeV/ c are presented.

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Measurement of Elastic Scattering of Hadrons on Protons from 50-GeV/c to 175-GeV/c

Group, Fermilab Single Arm Spectrometer ;
Phys.Rev.Lett. 35 (1975) 1195, 1975.
Inspire Record 98699 DOI 10.17182/hepdata.21217

Differential cross sections have been measured at Fermilab with a focusing spectrometer for π±p, K±p, and p±p elastic scattering at 50-, 70-, 100-, 140-, and 175-GeV/c incident momentum over the |t| range 0.03 to 0.8 GeV2. The results are smooth in t and are parametrized by quadratic exponential fits.

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DATA PRESENTED AGAIN IN LATER PAPER.


Elastic Scattering of pi+- p, K+- p, p p and anti-p p at 40-GeV/c

Kazarinov, Yu.M. ; Kazarinov, M.Yu. ; Khachaturov, B. ; et al.
Nucl.Phys.B 124 (1977) 391-408, 1977.
Inspire Record 110709 DOI 10.17182/hepdata.35427

The differential cross sections for elastic π − p, K − p , p p and π + p, pp scattering at 39 and 44.5 GeV/ c , respectively, have been measured in the interval of momentum transfer squared 0.15 ≤ ovbt | ≤ 2 (GeV/ c ) 2 .

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Measurement of Particle and anti-Particle Elastic Scattering on Protons Between 6-GeV and 14-GeV

Brandenburg, G.W. ; Carnegie, R.K. ; Cashmore, R.J. ; et al.
Phys.Lett.B 58 (1975) 367-370, 1975.
Inspire Record 100639 DOI 10.17182/hepdata.5543

Differential cross sections in the t -range between 0.02 and 1.5 GeV 2 have been measured for the elastic scattering of particles and antiparticles on protons at 6.4, 10.4 and 14 GeV for K ± p and 10.4 GeV for π ± p and p ± p . Large statistics have been achieved and systematic uncertainties have been minimized. The relative systematic uncertainty between particle and antiparticle data is less than 0.5%. Accurate measurements of the position of the first crossover between particle and antiparticle differential cross sections have been performed. As the energy increases from 6.4 to 14 GeV the K ± p crossover moves to smaller values by 0.010 GeV 2 with a statistical error of 0.006 GeV 2 and a systematic uncertainty of 0.005 GeV 2 . The crossover positions at 10.4 GeV for π ± , K ± and p ± scale approximately with the interaction radii.

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CROSSOVER POSITION IS -T = 0.209 +- 0.004 (DSYS = 0.003) GEV**2.

CROSSOVER POSITION IS -T = 0.209 +- 0.004 (DSYS = 0.003) GEV**2. SMALL ANGLE CROSS SECTIONS IN SMALLER T-BINS.

CROSSOVER POSITION IS -T = 0.211 +- 0.004 (DSYS = 0.0025) GEV**2.

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Elastic Scattering of Hadrons at 50-GeV to 200-GeV

Akerlof, C.W. ; Kotthaus, R. ; Loveless, R.L. ; et al.
Phys.Rev.Lett. 35 (1975) 1406, 1975.
Inspire Record 2687 DOI 10.17182/hepdata.21194

The differential cross section for π±, K±, and p± on hydrogen have been measured in the range 0.07<−t<1.6 (GeV/c)2. The dependence on momentum, momentum, transfer, and particle type are discussed.

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Large Momentum Transfer Elastic Scattering of $\pi^{\pm}, K^{\pm}$, and $\rho^{\pm}$ on Protons at 100 GeV/c and 200 GeV/c

Rubinstein, R. ; Baker, W.F. ; Eartly, David P. ; et al.
Phys.Rev.D 30 (1984) 1413, 1984.
Inspire Record 202682 DOI 10.17182/hepdata.23648

Results are presented on π±p, K±p, and p±p elastic scattering measured with an apparatus having acceptance of 0.5<−t<2.5 (GeV/c)2 and 0.9<−t<11 (GeV/c)2 at 100 and 200 GeV/c, respectively. A diffractionlike dip is seen for the first time in the π−p t distribution at −t=4 (GeV/c)2. All meson-proton cross sections are found to be similar in the range 1<−t<2.5 (GeV/c)2, although some small systematic differences are observed. Cross sections for pp and p―p are compared with previous data.

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