Neutron-proton elastic scattering from 10 to 70 GeV/c

Böhmer, Volker; Engler, J.; Flauger, W.; Keim, H.; Mönnig, F.; Pack, K.; Schopper, H.; Babaev, A.; Brachmann, E.; Eliseev, G.P.; Ermilov, A.; Galaktionov, Yu.; Gorodrov, Yu.; Kamishkov, Yu.; Leikin, E.M.; Lubimov, V.; Shevchenko, V.; Zeldovich, O.

doi:10.1016/0550-3213(75)90470-8

Cited by 19 publications

(6 citation statements)

References 19 publications

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“…Neutron-proton dlfferentlal cross sections have been measured at various momenta by several earher experiments [1][2][3][4][5][6]. Most prev:ous experimental effort has concentrated on studying either the small-angle &ffractlon peak or the backward ("charge exchange") peak.…”

Section: Summary Of Previous Experimental Datamentioning

confidence: 99%

Large angle neutron-proton elastic scattering from 5 to 12 GeV/c

et al. 1978

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This paper describes a measurement of the neutron-proton differential cross section made at the Argonne National Laboratory Zero Gradient Synchrotron The differentml cross sections, based on about 470 000 events, are presented for 8 different momentum ranges between 4.5 and 12.5 GeV/c The data extend from small angles out to about 145 ° m the c.m s, corresponding to 0 14 < -t <~ 19 (GeV/c) 2 at the highest energies. These results in conjunction with previous np charge-exchange data provide almost complete angular distributions m this momentum range. A detatled comparison of the data with existing pp data and with theoretical pred:ctlons is made * A brief report of these results and thetr interpretation appeared in J L Stone et al, Phys Rev Lett 38 (1977) 1315, 1317

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Section: Summary Of Previous Experimental Datamentioning

confidence: 99%

Large angle neutron-proton elastic scattering from 5 to 12 GeV/c

et al. 1978

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“…The data of Ref. [69] at P lab = 15 GeV/c could not be fit at all due to the restricted range of t (see Fig. 10e).…”

Section: Parameterization Of the Np Elastic Scattering Amplitudementioning

confidence: 97%

“…[69]. Maybe it was not essential because the absolute normalization error was estimated to be ∼ 35% [69]. We did not consider systematic errors in our fit.…”

Section: Parameterization Of the Np Elastic Scattering Amplitudementioning

confidence: 99%

“…A two exponential fit of Eq. 27 to the data [64,66,67,69,70] using Eq. 28 gives meaningful results only for 22 of 45 sets of data.…”

Section: Parameterization Of the Np Elastic Scattering Amplitudementioning

confidence: 99%

“…10e). The peculiarity of the data [69] at P lab = 25 GeV/c was considered before. They lead to A 2 and B 2 values that are not consistent with other data sets.…”

Section: Parameterization Of the Np Elastic Scattering Amplitudementioning

confidence: 99%

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Empirical parametrization of the nucleon-nucleon elastic scattering amplitude at high beam momenta for Glauber calculations and Monte Carlo simulations

Uzhinsky¹,

Galoyan²,

Ritman

et al. 2016

Phys. Rev. C

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A parameterization of the nucleon-nucleon elastic scattering amplitude is needed for future experiments with nucleon and nuclear beams in the beam momentum range of 2 -50 GeV/c/nucleon. There are many parameterizations of the amplitude at P lab > 25-50 GeV/c, and at P lab ≤ 5 GeV/c. Our paper is aimed to cover the range between 5 -50 GeV/c.The amplitude is used in Glauber calculations of various cross sections and Monte Carlo simulations of nucleon-nucleon scatterings. Usually, the differential nucleon-nucleon elastic scattering cross sections are described by an exponential expression. Corresponding experimental data on pp interactions at |t| > 0.005 (GeV/c) 2 and |t| ≤ 0.125 (GeV/c) 2 have been fit. We propose formulae to approximate the beam momentum dependence of these parameters in the momentum range considered. The same was done for np interactions at |t| ≤ 0.5 (GeV/c) 2 . Expressions for the momentum dependence of the total and elastic cross sections, and the ratio of real to imaginary parts of the amplitude at zero momentum transfer are also given for pp and np collisions. These results are sufficient for a first approximation of the Glauber calculations. For more exact calculations we fit the data at |t| > 0.005 (GeV/c) 2 without restrictions on the maximum value of |t| using an expression based on two coherent exponential. The parameters of the fits are found for the beam momentum range 2 -50 GeV/c.

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1.3.2.1 General remarks

Mönnig¹

Nucleon Nucleon and Kaon Nucleon Scattering

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Neutron-proton elastic scattering from 10 to 70 GeV/c

Cited by 19 publications

References 19 publications

Large angle neutron-proton elastic scattering from 5 to 12 GeV/c

Large angle neutron-proton elastic scattering from 5 to 12 GeV/c

Empirical parametrization of the nucleon-nucleon elastic scattering amplitude at high beam momenta for Glauber calculations and Monte Carlo simulations

1.3.2.1 General remarks

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