Hadronic and electromagnetic interactions at large transverse momentum

Conference · Mon Jan 01 04:00:00 EST 1973 · AIP (Amer. Inst. Phys.) Conf. Proc., no. 15, pp. 275-306

OSTI ID:4333229

Brodsky, S J

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 flxed 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 renormaiizable quark field-theoretic models with asymptotically scaleinvariant 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 distributions of exclusive hadronic and electromagnetic processes. (auth)

• Research Organization: Stanford Univ., CA
• NSA Number: NSA-29-016964
• OSTI ID: 4333229
• Conference Information: Journal Name: AIP (Amer. Inst. Phys.) Conf. Proc., no. 15, pp. 275-306
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

*ELECTROMAGNETIC INTERACTIONS-- INCLUSIVE INTERACTIONS
*STRONG INTERACTIONS-- INCLUSIVE INTERACTIONS
COMPOSITE MODELS
DIFFERENTIAL CROSS SECTIONS
ENERGY DEPENDENCE
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N64240 --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Strong (General)
REGGE POLES
SCALING LAWS