Exclusive R0 Rho 0 Production In Deep Inelastic Electron Proton Scattering At Hera

Author : Ulrich F. Katz
Publisher : Springer
ISBN 13 : 354045019X
Total Pages : 243 pages
Book Rating : 4.5/5 (44 download)

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Download or read book Deep Inelastic Positron-Proton Scattering in the High-Momentum-Transfer Regime of HERA written by Ulrich F. Katz and published by Springer. This book was released on 2003-07-01 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: About three decades after the first experiments on deep inelastic lepton hadron scattering began to investigate the structure of hadrons, the history of this fruitful field of particle physics continues in the broad spectrum of research performed at the electron and positron proton collider HERA at DESY, where the multipurpose detectors ZEUS and H1 access ep scattering at a center of mass energy of 300 GeV and explore as yet uncharted kinematic realms of deep inelastic scattering. After the first years of data taking at HERA, each of the experiments has collected a total of roughly 40 pb 1 of e+p data, yielding sensitivity to deep inelastic e+p interactions at high four momentum transfers, Q2, where typi cal cross sections drop into the subpicobarn regime. This kinematic domain is characterized by electroweak unification, manifesting itself most markedly in the neutral and charged current cross sections, which approach an equal order of magnitude as Q2 rises above the square of the W and Z masses. Consequently, HERA allows, for the first time, studies of both types of pro cesses simultaneously with the same initial state conditions and in the same detector, and thus we can investigate the interplay of electroweak and strong forces governing the respective cross sections.