If no threshold is crossed -1 (Q 2 ) is a linear function of ln (|Q|

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If no threshold is crossed α^-1(Q²) is a linear function of ln (|Q|²/μ²) . What is the ratio between the quark and lepton contributions to the slope of this linear dependence for 4 < Q² < 10 GeV²?

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Introduction to Elementary Particle Physics

ISBN: 978-1107050402

2nd edition

Authors: Alessandro Bettini

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Question Posted: Feb 16, 2019 06:50 AM

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If no threshold is crossed -1 (Q 2 ) is a linear function of ln (|Q|

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Introduction to Elementary Particle Physics

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