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- W4283265035 abstract "We derive the on-shell form of amplitudes containing two external currents with a single hadron in the initial state and two hadrons in the final state, denoted as $1+mathcal{J}ensuremath{rightarrow}2+mathcal{J}$. This class of amplitude is relevant in precision tests of the Standard Model as well as for exploring the structure of excited states in the QCD spectrum. We present a model-independent description of the amplitudes where we sum to all orders in the strong interaction. From this analytic form we are able to extract transition and elastic resonance form factors consistent with previous work as well as a novel Compton-like amplitude coupling a single particle state to a resonance. The results also hold for reactions where the one-particle state is replaced with the vacuum, namely $mathcal{J}ensuremath{rightarrow}2+mathcal{J}$ amplitudes. We also investigate constraints placed upon the formalism for the case of a conserved vector current in the form of the Ward-Takahashi identity. The formalism presented here is valid for currents of arbitrary Lorentz structure and quantum numbers with spinless hadrons where any number of two-particle intermediate channels may be open. When combined with the appropriate finite-volume framework, this work facilitates the extraction of physical observables from this class of amplitudes via lattice QCD calculations." @default.
- W4283265035 created "2022-06-23" @default.
- W4283265035 creator A5000642747 @default.
- W4283265035 creator A5007101911 @default.
- W4283265035 creator A5074751463 @default.
- W4283265035 creator A5082527682 @default.
- W4283265035 date "2022-06-21" @default.
- W4283265035 modified "2023-10-14" @default.
- W4283265035 title "Two-current transition amplitudes with two-body final states" @default.
- W4283265035 cites W1463720093 @default.
- W4283265035 cites W1507988514 @default.
- W4283265035 cites W1537936385 @default.
- W4283265035 cites W1543041828 @default.
- W4283265035 cites W16622896 @default.
- W4283265035 cites W1739862170 @default.
- W4283265035 cites W1760035858 @default.
- W4283265035 cites W1800109855 @default.
- W4283265035 cites W1926730176 @default.
- W4283265035 cites W1935551059 @default.
- W4283265035 cites W1965524317 @default.
- W4283265035 cites W1981143049 @default.
- W4283265035 cites W1992651301 @default.
- W4283265035 cites W1995508649 @default.
- W4283265035 cites W1996853839 @default.
- W4283265035 cites W1999791237 @default.
- W4283265035 cites W2001813975 @default.
- W4283265035 cites W2010167469 @default.
- W4283265035 cites W2013726480 @default.
- W4283265035 cites W2019063698 @default.
- W4283265035 cites W2019169836 @default.
- W4283265035 cites W2027280246 @default.
- W4283265035 cites W2035781738 @default.
- W4283265035 cites W2040716943 @default.
- W4283265035 cites W2053454992 @default.
- W4283265035 cites W2055136513 @default.
- W4283265035 cites W2060600701 @default.
- W4283265035 cites W2066002588 @default.
- W4283265035 cites W2068898584 @default.
- W4283265035 cites W2071856532 @default.
- W4283265035 cites W2080986518 @default.
- W4283265035 cites W2081084331 @default.
- W4283265035 cites W2088421360 @default.
- W4283265035 cites W2105518426 @default.
- W4283265035 cites W2109255696 @default.
- W4283265035 cites W2121325311 @default.
- W4283265035 cites W2134176298 @default.
- W4283265035 cites W2140204195 @default.
- W4283265035 cites W2170040111 @default.
- W4283265035 cites W2181532170 @default.
- W4283265035 cites W2238172159 @default.
- W4283265035 cites W2240975795 @default.
- W4283265035 cites W2253075695 @default.
- W4283265035 cites W2264398208 @default.
- W4283265035 cites W2273991403 @default.
- W4283265035 cites W2277306361 @default.
- W4283265035 cites W2338223155 @default.
- W4283265035 cites W2484592743 @default.
- W4283265035 cites W2531262123 @default.
- W4283265035 cites W2536595796 @default.
- W4283265035 cites W2592747656 @default.
- W4283265035 cites W2607566747 @default.
- W4283265035 cites W2681848477 @default.
- W4283265035 cites W2731280344 @default.
- W4283265035 cites W2737320647 @default.
- W4283265035 cites W2747461695 @default.
- W4283265035 cites W2748438920 @default.
- W4283265035 cites W2787376967 @default.
- W4283265035 cites W2793243324 @default.
- W4283265035 cites W2884299354 @default.
- W4283265035 cites W2895849978 @default.
- W4283265035 cites W2903206066 @default.
- W4283265035 cites W2903235502 @default.
- W4283265035 cites W2907576591 @default.
- W4283265035 cites W2907674165 @default.
- W4283265035 cites W2914804249 @default.
- W4283265035 cites W2933446141 @default.
- W4283265035 cites W2933548033 @default.
- W4283265035 cites W2950809315 @default.
- W4283265035 cites W2952483120 @default.
- W4283265035 cites W2963138135 @default.
- W4283265035 cites W2964897915 @default.
- W4283265035 cites W2974870607 @default.
- W4283265035 cites W2983995865 @default.
- W4283265035 cites W2987873649 @default.
- W4283265035 cites W3011575842 @default.
- W4283265035 cites W3011604960 @default.
- W4283265035 cites W3023082867 @default.
- W4283265035 cites W3024479057 @default.
- W4283265035 cites W3037833063 @default.
- W4283265035 cites W3045878280 @default.
- W4283265035 cites W3049342414 @default.
- W4283265035 cites W3087547920 @default.
- W4283265035 cites W3099724069 @default.
- W4283265035 cites W3101415313 @default.
- W4283265035 cites W3102121324 @default.
- W4283265035 cites W3103509074 @default.
- W4283265035 cites W3103780226 @default.
- W4283265035 cites W3104012012 @default.
- W4283265035 cites W3105808240 @default.
- W4283265035 cites W3106219727 @default.