Measurements of π− p → πo n reaction cross-section in the momentum range up to 50 GeV/c

Болотов, В.Н.; Devishev, M.I.; Devisheva, M.N.; Grachev, M.I.; Исаков, В. В.; Kachanov, V.A.; Krasnokutsky, R.N.; Kutyin, V.M.; Prokoshkin, Yu.D.; Razuvaev, E.A.; Sitin, A.N.; Semenov, V.; Shuvalov, R.S.; Vasilyev, L.M.

doi:10.1016/0370-2693(72)90756-3

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A Possible Curvature Of the P-trajectory1

Test Of the Analytic Properties Of F-(k)1

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1973

1976

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Cited by 26 publications

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“…However one should notice that both sets of data give the same c~ofr, if one considers the same momentum interval (5-18 GeV/c). ~=0.68 belongs to the 18-60 GeV/c region, where only integrated charge exchange cross sections are available at present [18]. It is true that these data do not suggest a change of ~e~r (0), but this conclusion depends on the assumption that the shape of dao/dt remains the same as at lower energies.…”

Section: A Possible Curvature Of the P-trajectorymentioning

confidence: 67%

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πN charge-exchange forward scattering at high energies

1973

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The tmsubtracted dispersion relation is not compatible with the charge-exchange data, if a power law is assumed for the total cross section difference at high energies and the exponent is taken from the fit to the Serpuchov data. However, there is no difficulty for the subtracted dispersion relation. Recent estimates of a finite high energy limit of the total cross section difference and a possible substantial curvature of the p-trajectory near t= 0 are discussed.

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Section: A Possible Curvature Of the P-trajectorymentioning

confidence: 67%

“…The integrated chargeexchange cross sections of Bolotov et al [18] favour the 1st or 2nd possibility, but the argument is not strong. Fig.…”

Section: Test Of the Analytic Properties Of F-(k)mentioning

confidence: 93%