Impact-Picture Phenomenology for π±p, K±p and pp, p̄p Elastic Scattering at High Energies
نویسندگان
چکیده
We present an extension to πp and Kp elastic scattering at high energies of the impactpicture phenomenology we first proposed more than twenty years ago, for pp and p̄p elastic scattering. We show, in particular, that the analytic form of the opacity function for the proton obtained previously is compatible with the experimental results on πp and Kp elastic scattering at high energies. It is proposed that π and K external beams be provided from CERN-LHC, so that their elastic scattering from protons can be studied at higher energies. Our phenomenology for pp and p̄p elastic scattering is updated by including new data and we give predictions for future experiments at BNL-RHIC and CERN-LHC.
منابع مشابه
ar X iv : 0 81 0 . 56 56 v 1 [ he p - ph ] 3 1 O ct 2 00 8 The BSW Impact Picture 30 Years After 1
Thirty years ago Bourrely-Soffer-Wu (BSW) investigated an impact picture description of p−p and p̄−p elastic scattering with success. For this anniversary, a short review of the main features of this picture will be presented with its evolution over the years. The future experiments at the LHC collider will provide decisive tests for the impact picture at high energy. In the year 1978, BSW propo...
متن کاملar X iv : h ep - p h / 98 11 49 6 v 1 2 7 N ov 1 99 8 Eikonal profile functions and amplitudes for pp and p̄p scattering
The eikonal profile function J(b) obtained from the Model of the Stochastic Vacuum is parametrized in a form suitable for comparison with experiment. The amplitude and the extended profile function (including imaginary and real parts) are determined directly from the complete pp and p̄p elastic scattering data at high energies. Full and accurate representation of the data is presented, with smoo...
متن کاملElastic pp and p̄p scattering in the models of unitarized pomeron
Elastic scattering amplitudes with pomeron singularity by construction meeting the main unitarity bounds valid at high energy are considered. Restrictions for a form of pomeron singularity are stressed. The models of double and triple (at t = 0) pomeron pole with additional terms important for low energies are compared with all existing experimental data on pp and p̄p total and differential cros...
متن کاملAnalytic Amplitudes for Hadronic Forward Scattering : COMPETE update
We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data (pp, p̄p, πp,Kp, γp, γγ,Σp). Although these parametrizations are very close for √ s ≥ 9 GeV, it turns out that they differ markedly at low energy, where a universal Pomeron term ∼ ln s enables one to extend the fit down to √ s = 4 GeV. We present...
متن کاملHadronic Cross sections: from cyclotrons to colliders to cosmic rays
Introduction. High energy cross sections for the scattering of hadrons should be bounded by σ ∼ ln s, where s is the square of the cms energy. This fundamental result is derived from unitarity and analyticity by Froissart [1], who states: “At forward or backward angles, the modulus of the amplitude behaves at most like s ln s, as s goes to infinity. We can use the optical theorem to derive that...
متن کامل