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The phenomenological current algebra vertex

H.J. Schnitzer
(
- Brandeis U. and
- Rockefeller U. and
- SUNY, Stony Brook
)
,
M.L. Wise
(
- Brandeis U. and
- Rockefeller U. and
- SUNY, Stony Brook
)

1970

36 pages

Published in:

Annals Phys. 59 (1970) 129-164

DOI:

10.1016/0003-4916(70)90398-2

View in:

OSTI Information Bridge Server

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Abstract: (Elsevier)

A method is presented for constructing amplitudes which are the most general solutions to the Ward identities of current algebra. These solutions, expressed in terms of undertermined scalar functions, exhibit a wide class of amplitudes which satisfy the current algebra constraints. Further information is obtained from the model dependent equal-time commulators of the space components of the currents by means of the Bjorken-Johnson-Low limits, which provide boundary conditions for certain asymptotic expansions of the scalar functions. Simple phenomenological models are discussed within this framework, and a connection between the Gilman-Harari model and hard pion models is established.

current algebra
rho(765): decay
decay: rho(765)
a1(1070): decay
decay: a1(1070)
pi: form factor
form factor: pi

References(38)

Figures(0)

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