Method for Measuring the Photon-Photon Total Cross Section
نویسندگان
چکیده
منابع مشابه
A Method for Measuring the Photon-photon Total Cross Section*
In the interaction of a high energy particle with a proton or nucleus, 9 the recoil spectrum of the target at very low momentum transfer is related simply. to the total cross section of the incident particle with the photon. Estimates of the size of the effect plus recent developments in low recoil techniques suggest that measurement of the photon-photon, as well as the 71 and K-photon cross se...
متن کاملPhoton-photon Total Inelastic Cross-section *
We discuss predictions for the total inelastic γγ cross-section and their model dependence on the input parameters. We compare results from a simple extension of the Regge Pomeron exchange model as well as predictions from the eikonalized mini-jet model with recent LEP data. It is by now established that all total cross-sections, including photopro-duction, rise as the c.m. energy of the collid...
متن کاملTotal Hadronic Cross-Section of Photon-Photon Interactions at LEP
The total hadronic cross-section σγγ(W ) for the interaction of real photons, γγ → hadrons, is measured for γγ centre-of-mass energies 10 ≤ W ≤ 110 GeV. The cross-section is extracted from a measurement of the process ee → eeγγ → ee + hadrons, using a luminosity function for the photon flux together with form factors for extrapolating to real photons (Q = 0 GeV). The data were taken with the OP...
متن کاملModels for Photon-photon Total Cross-Sections
We present here a brief overview of recent models describing the photon-photon cross-section into hadrons. We shall show in detail results from the eikonal minijet model, with and without soft gluon summation.
متن کاملOn the LEP Measurements of the Rising Photon-Photon Total Cross Section
Using vector meson dominance we calculate the γγ total cross section from data on pp, pp̄ and γp total cross sections. Our result agrees with recent high energy measurements performed by the L3 experiment at the LEP collider, not with the conflicting preliminary data obtained by OPAL. Typeset using REVTEX Two experiments at LEP have measured the high energy γγ total cross section [1]. While thes...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review Letters
سال: 1971
ISSN: 0031-9007
DOI: 10.1103/physrevlett.26.404