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2009•AIP conference proceedingsRequires access

N→Δ A transition amplitudes from QCD sum rules

Lai Wang, Frank X. Lee, Marvin L. Marshak

Open publisher page 3 citations

Abstract

We present a calculation of the N to Δ electromagnetic transition amplitudes using the method of QCD sum rules. A complete set of QCD sum rules is derived for the entire family of transitions from the baryon octet to decuplet. They are analyzed in conjunction with the corresponding mass sum rules using a Monte‐Carlo‐based analysis procedure. Valid sum rules are identified and their predictions are obtained. The results are compared with experiment and other calculations.

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What this paper is about

We present a calculation of the N to Δ electromagnetic transition amplitudes using the method of QCD sum rules. A complete set of QCD sum rules is derived for the entire family of transitions from the baryon octet to decuplet. They are analyzed in conjunction with the corresponding mass sum rules using a Monte‐Carlo‐based analysis procedure. Valid sum rules are identified and their predictions are obtained. The results are compared with experiment and other calculations.

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Available abstract

We present a calculation of the N to Δ electromagnetic transition amplitudes using the method of QCD sum rules. A complete set of QCD sum rules is derived for the entire family of transitions from the baryon octet to decuplet. They are analyzed in conjunction with the corresponding mass sum rules using a Monte‐Carlo‐based analysis procedure. Valid sum rules are identified and their predictions are obtained. The results are compared with experiment and other calculations.

Key concepts: QCD sum rules, Octet, Physics, Quantum chromodynamics, Sum rule in quantum mechanics, Amplitude, Baryon, Particle physics

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