Outward Effective Mass of Quark and Baryon Magnetic Moments

Ikuo S. Sogami; Noboru Oh'yamaguchi

doi:10.1103/PhysRevLett.54.2295

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Outward Effective Mass of Quark and Baryon Magnetic Moments

Ikuo S. Sogami and Noboru Oh'yamaguchi

Department of Physics, Kyoto Sangyo University, Kita-Ku, Kyoto 603, Japan

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Phys. Rev. Lett. 54, 2295 – Published 27 May, 1985

DOI: https://doi.org/10.1103/PhysRevLett.54.2295

Abstract

The valence quark $a$ is postulated to respond, when probed by a soft photon, with the outward effective mass defined by the relation $m_{a}^{B} = M_{B} - m_{b} - m_{c}$ , where $M_{B}$ is the physical mass of baryon $B$ , and $m_{b}$ and $m_{c}$ are the effective masses of the spectator valence quarks $b$ and $c$ in the usual sense. The observed characteristics of baryon magnetic moments are shown to be well described in the naive scheme of the additive quark model if the new notion of the outward effective mass of quarks is incorporated.

Comments & Replies

Comment on "Outward Effective Mass of Quark and Baryon Magnetic Moments"

D. B. Lichtenberg

Phys. Rev. Lett. 56, 995 (1986)

References (16)

C. G. Wohl et al. (Particle Data Group), Rev. Mod. Phys. 56, S1 (1984)
L. Schachinger et al., Phys. Rev. Lett. 41, 1348 (1978)
R. Settles et al., Phys. Rev. D 20, 2154 (1979)
L. Deck et al., Phys. Rev. D 28, 1 (1983)
D. W. Hertzog et al., Phys. Rev. Lett. 51, 1131 (1983)
G. Bunce et al., Phys. Lett. 86B, 386 (1979)
P. T. Cox et al., Phys. Rev. Lett. 46, 877 (1981)
R. Rameika et al., Phys. Rev. Lett. 52, 581 (1984)
A. De Rújula, H. Georgi, and S. L. Glashow, Phys. Rev. D 12, 147 (1975)
G. Morpurgo, Ann. Phys. (N.Y.) 2, 95 (1965) W. Thirring, Acta Phys. Austriaca Suppl. 2, 205 (1965) H. R. Rubinstein, F. Scheck, and R. H. Socolow, Phys. Rev. 154, 1608 (1967) J. Franklin, 172, 1807 (1968)
N. Isgur and G. Karl, Phys. Rev. D 21, 3175 (1980)
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N. Isgur, G. Karl, and R. Koniuk, Phys. Rev. Lett. 41, 1269 (1978) H. J. Lipkin, Phys. Rev. D 24, 1437 (1981) M. Böhm, R. Huerta, and A. Zepeda, 25, 223 (1982)
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N. Isgur, Phys. Rev. D 21, 779 (1980)

[c1] C. G. Wohl et al. (Particle Data Group), Rev. Mod. Phys. 56, S1 (1984)

[c2] L. Schachinger et al., Phys. Rev. Lett. 41, 1348 (1978)

[c3] R. Settles et al., Phys. Rev. D 20, 2154 (1979)

[c4] L. Deck et al., Phys. Rev. D 28, 1 (1983)

[c5] D. W. Hertzog et al., Phys. Rev. Lett. 51, 1131 (1983)

[c6] G. Bunce et al., Phys. Lett. 86B, 386 (1979)

[c7] P. T. Cox et al., Phys. Rev. Lett. 46, 877 (1981)

[c8] R. Rameika et al., Phys. Rev. Lett. 52, 581 (1984)

[c9] A. De Rújula, H. Georgi, and S. L. Glashow, Phys. Rev. D 12, 147 (1975)

[c10] G. Morpurgo, Ann. Phys. (N.Y.) 2, 95 (1965) W. Thirring, Acta Phys. Austriaca Suppl. 2, 205 (1965) H. R. Rubinstein, F. Scheck, and R. H. Socolow, Phys. Rev. 154, 1608 (1967) J. Franklin, 172, 1807 (1968)

[c11] N. Isgur and G. Karl, Phys. Rev. D 21, 3175 (1980)

[c12] R. B. Teese and R. Settles, Phys. Lett. 87B, 111 (1978) H. J. Lipkin, 89B, 358 (1980) T. Das and S. P. Misra, 96B, 165 (1980) Y. Tomozawa, Phys. Rev. D 25, 795 (1982) A. Bohm and R. B. Teese, 26, 1103 (1982)

[c13] N. Isgur, G. Karl, and R. Koniuk, Phys. Rev. Lett. 41, 1269 (1978) H. J. Lipkin, Phys. Rev. D 24, 1437 (1981) M. Böhm, R. Huerta, and A. Zepeda, 25, 223 (1982)

[c14] M. Gupta and N. Kaur, Phys. Rev. D 28, 534 (1983)

[c15] O. Eeg and H. Pilkuhn, Nucl. Phys. A287, 407 (1978) G. E. Brown, M. Rho, and V. Vento, Phys. Lett. 97B, 423 (1980) Y. Nogami and N. Ohtsuka, Phys. Rev. D 26, 261 (1982) S. Théberge and A. W. Thomas, Nucl. Phys. A393, 252 (1983) J. Franklin, Phys. Rev. D 30, 1542 (1984)

[c16] N. Isgur, Phys. Rev. D 21, 779 (1980)

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Outward Effective Mass of Quark and Baryon Magnetic Moments

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