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2009

The QCD rotator in the chiral limit

Hasenfratz, P.

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The low lying spectrum of QCD in the delta-regime is calculated here in chiral perturbation theory up to NNL order.

The spectrum has a simple form in terms of the pion decay constant F and a combination of the low energy constants Lambda1 and Lambda2.
Since measuring low lying stable masses is among the easiest numerical tasks, the results should help fixing these parameters to good precision.

The QCD rotator in the chiral limit · Around

Built on

S. Weinberg, Physica A96
1979
Earlier work this paper cites.
J. Gasser and H. Leutwyler, Phys. Lett. B125
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Earlier work this paper cites.
J. Gasser and H. Leutwyler, Ann. Phys. 158
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Earlier work this paper cites.
M. E. Fisher and V. Privman, Phys. Rev. B32
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Earlier work this paper cites.
E. Brezen and J. Zinn-Justin, Nucl. Phys. B257
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Earlier work this paper cites.

Similar

H. Leutwyler, Phys. Lett. B189
1987
Cited alongside, same era.
J. Gasser and H. Leutwyler, Phys. Lett. B184
1987
Cited alongside, same era.
J. Gasser and H. Leutwyler, Phys. Lett. B188
1987
Cited alongside, same era.
J. Gasser and H. Leutwyler, Nucl. Phys. B307
1988
Cited alongside, same era.
F. Niedermayer and Ch. Weiermann, in progress
Cited in the paper.
M. Weingart, in progress
Cited in the paper.

Then

P. Gerber and H. Leutwyler, Nucl. Phys. B321
1989
Later among the works it cites.
P. Hasenfratz and H. Leutwyler, Nucl. Phys. B343, 241 (1990)
1990
Later among the works it cites.
P. Hasenfratz and F. Niedermayer, Z. Phys. B92
1993
Later among the works it cites.
G. Colangelo, J. Gasser and H. Leutwyler, Nucl. Phys. B603
Original
2001
Later among the works it cites.

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