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QCD sum rules with two point correlation function

Hung-chong Kim
(
- Tokyo Inst. Tech.
)
,
Su Houng Lee
(
- Darmstadt, GSI and
- Yonsei U.
)
,
Makoto Oka
(
- Tokyo Inst. Tech.
)

Dec, 1998

4 pages

Part of Physics of hadrons and nuclei. Proceedings, International Symposium, Tokyo, Japan, December 14-17, 1998

Published in:

Nucl.Phys.A 670 (2000) 64-67

Contribution to:

KEK-Tanashi International Symposium on Physics of Hadrons and Nuclei

e-Print:

nucl-th/9902031 [nucl-th]

DOI:

10.1016/S0375-9474(00)00070-1

Report number:

TIT-HEP-415-NP

View in:

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Abstract:

We construct three different sum rules from the two-point correlation function with pion,

i\int d^4x e^{iq\cdot x} <0| T J_N(x) {\bar J}_N(0)|\pi(p)>

, beyond the soft-pion limit. The PS and PV coupling schemes in the construction of the phenomenological side are carefully considered in each sum rule. We discuss the dependence of the result on the specific Dirac structure and identify the source of the dependence by making specific models for higher resonances.

talk: Tokyo 1998/12/14
quantum chromodynamics: sum rule
two-point function
correlation function
operator product expansion
pi: wave function
coupling: pseudoscalar
coupling: axial-vector
invariance: Lorentz
pi nucleon: coupling constant

References(9)

Figures(0)

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Hung-chong Kim
(
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)
,
Su Houng Lee
(
- Darmstadt, GSI and
- Yonsei U.
)
,
Makoto Oka
(
- Tokyo Inst. Tech.
)

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•
DOI:
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Two point correlation function with pion in QCD sum rules

Hung-chong Kim
(
- Tokyo Inst. Tech.
)
,
Su Houng Lee
(
- Darmstadt, GSI and
- Yonsei U.
)
,
Makoto Oka
(
- Tokyo Inst. Tech.
)

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•
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•
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Xue-min Jin
(
- MIT, LNS
)
,
Jian Tang
(
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)

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•
e-Print:
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•
DOI:
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