摘要:

Two‐body hadronic collisions behave, in the absence of the dominant peripheral components diffraction and particle exchange, in similar ways as concerns energy dependence (s−10±2) and the absence of peaking of d&sgr;/dt in t or u. They may phenomenologically be classed as a third, “non‐peripheral”, component of strong interactions. Some of the experimental information on forward, backward and 90° c.m. scattering are presented. The 90° c.m. K+and &pgr;±p elastic differential cross‐sections decrease as s−8, which is slower than pp (s−10). Superimposed on the very fast energy dependence, there are indications of modulations in d&sgr;/dt for &pgr;±p elastic scattering at large momentum transfers at 5 GeV/c, which we tentatively ascribe to Ericson fluctuations.

ISSN:0094-243X    

DOI:10.1063/1.2947181

出版商:AIP    

年代:1973

数据来源: AIP

摘要:

Recent experimental data from NAL and the ISR on large transverse momentum single particle production in proton proton collisions are reviewed. The approach to energy scaling, particle ratios, and associated multiplicities, etc. are discussed.

ISSN:0094-243X    

DOI:10.1063/1.2947182

出版商:AIP    

年代:1973

数据来源: AIP

摘要:

The scaling laws of inclusive and exclusive processes at large transverse momentum are reviewed. Their theoretical interpretation in terms of composite models for the hadrons is then discussed. The observed inverse power‐law behavior of the invariant cross sections at fixed invariant ratios is found to agree with the degrees of freedom suggested by the simple dimensional counting in the quark model. Such counting is characteristic of renormalizable quark field‐theoretic models with asymptotically scale‐invariant constituent interactions and finite Bethe‐Salpeter wavefunctions. However, as suggested by the parton interchange model, elementary gluon interactions between quarks of different hadrons must be suppressed in order to understand (1) the scaling, but not scale‐invariant behavior of the inclusive hadronic cross section for meson production at large transverse momentum, and (2) the effective Regge behavior at large t and angular distribution of exclusive hadronic and electromagnetic processes.

ISSN:0094-243X    

DOI:10.1063/1.2947183

出版商:AIP    

年代:1973

数据来源: AIP

摘要:

We have measured the mean charged multiplicitynCHas a function of transverse momentum p⊥of the forward proton in the reactionp + p ⇒ p + MMfor five intervals of missing mass MM using our Multiparticle Argo Spectrometer System. We observe an increase ofnCHforp⊥ > 1 GeV/c.

ISSN:0094-243X    

DOI:10.1063/1.2947184

出版商:AIP    

年代:1973

数据来源: AIP