Regge analysis of pion-pion (and pion-kaon) scattering for energy s^(1/2)> 1.4 GeV
| dc.contributor.author | Peláez Sagredo, José Ramón | |
| dc.contributor.author | Ynduráin, F. J. | |
| dc.date.accessioned | 2023-06-20T11:07:13Z | |
| dc.date.available | 2023-06-20T11:07:13Z | |
| dc.date.issued | 2004-06 | |
| dc.description | ©2004 The American Physical Society. We are grateful to CICYT, Spain, and to INTAS, for partial financial support. J.R.P. thanks partial support from the Spanish CICYT projects, Nos. BFM2000-1326 and BFM2002-01003, and the E.U. EURIDICE network contract No. HPRN-CT-2002-00311. | |
| dc.description.abstract | We perform a detailed Regge analysis of NN, πN, KN, π π, and πK scattering. From it, we find expressions that represent the pp scattering amplitudes with an accuracy of a few percent for exchange of isospin zero and ~15% for exchange of isospin 1, and this for energies s^(1/2) ˃1.4 GeV and for momentum transfers |t|^( ½) ≤0.4 GeV. These Regge formulas are perfectly compatible with the low energy [s^(1/2)~1.4 GeV] scattering amplitudes deduced from π π phase shift analyses as well as with higher energy [s^(1/2)≥1.4 GeV] experimental π π cross sections. They are also compatible with NN, KN, and πN experimental cross sections using factorization, a property that we check with precision. This contrasts with results from current phase shift analyses of the π π scattering amplitude, which bear little resemblance to reality in the region 1.4<s^(1/2)<2 GeV, as they are not well defined and increasingly violate a number of physical requirements when the energy grows. πK scattering is also considered, and we present a Regge analysis for these processes valid for energies s^(1/2) ˃1.7 GeV. As a by-product of our analysis we obtain also a fit of NN, πN, and KN cross sections valid from c.m. kinetic energy E_(kin)≈.1 GeV to multi-TeV energies. | |
| dc.description.department | Depto. de Física Teórica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | CICYT, Spain | |
| dc.description.sponsorship | INTAS | |
| dc.description.sponsorship | E.U. EURIDICE network | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/35501 | |
| dc.identifier.doi | 10.1103/PhysRevD.69.114001 | |
| dc.identifier.issn | 0556-2821 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevD.69.114001 | |
| dc.identifier.relatedurl | http://journals.aps.org | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/51733 | |
| dc.issue.number | 11 | |
| dc.journal.title | Physical review D | |
| dc.language.iso | eng | |
| dc.publisher | American Physical Society | |
| dc.relation.projectID | BFM2000-1326 | |
| dc.relation.projectID | BFM2002-01003 | |
| dc.relation.projectID | HPRN-CT-2002-00311. | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 51-73 | |
| dc.subject.keyword | Phase-shift analysis | |
| dc.subject.keyword | Inelastic Ep scattering | |
| dc.subject.keyword | Angular-momentum plane | |
| dc.subject.keyword | Cross sections | |
| dc.subject.keyword | Quantum chromodynamics | |
| dc.subject.keyword | Perturbation-theory | |
| dc.subject.keyword | Gev-C | |
| dc.subject.keyword | Trajectories | |
| dc.subject.keyword | Collisions | |
| dc.subject.keyword | Dynamics | |
| dc.subject.ucm | Física-Modelos matemáticos | |
| dc.subject.ucm | Física matemática | |
| dc.title | Regge analysis of pion-pion (and pion-kaon) scattering for energy s^(1/2)> 1.4 GeV | |
| dc.type | journal article | |
| dc.volume.number | 69 | |
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| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | 70900239-cb8b-49f3-931f-9dc6a8b7d8d5 | |
| relation.isAuthorOfPublication.latestForDiscovery | 70900239-cb8b-49f3-931f-9dc6a8b7d8d5 |
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