Gluon spin in a quark model

V. Barone; T. Calarco; A. Drago

doi:10.1016/S0370-2693(98)00550-4

Gluon spin in a quark model

V. Barone, T. Calarco, A. Drago

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

We compute the gluon polarization ΔG and the gluon total angular momentum J_g in the Isgur-Karl quark model. Taking into account self-interaction contributions, we obtain for both quantities a positive value of about 0.24 at the model scale μ²₀ ≃ 0.25 GeV². This estimate is reasonably close to the expectation from polarized deep inelastic scattering analyses.

Lingua originale	Inglese
pagine (da-a)	405-409
Numero di pagine	5
Rivista	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	431
Numero di pubblicazione	3-4
DOI	https://doi.org/10.1016/S0370-2693(98)00550-4
Stato di pubblicazione	Pubblicato - 16 lug 1998
Pubblicato esternamente	Sì

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10.1016/S0370-2693(98)00550-4

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title = "Gluon spin in a quark model",

abstract = "We compute the gluon polarization ΔG and the gluon total angular momentum Jg in the Isgur-Karl quark model. Taking into account self-interaction contributions, we obtain for both quantities a positive value of about 0.24 at the model scale μ20 ≃ 0.25 GeV2. This estimate is reasonably close to the expectation from polarized deep inelastic scattering analyses.",

author = "V. Barone and T. Calarco and A. Drago",

year = "1998",

month = jul,

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doi = "10.1016/S0370-2693(98)00550-4",

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T1 - Gluon spin in a quark model

AU - Barone, V.

AU - Calarco, T.

AU - Drago, A.

PY - 1998/7/16

Y1 - 1998/7/16

N2 - We compute the gluon polarization ΔG and the gluon total angular momentum Jg in the Isgur-Karl quark model. Taking into account self-interaction contributions, we obtain for both quantities a positive value of about 0.24 at the model scale μ20 ≃ 0.25 GeV2. This estimate is reasonably close to the expectation from polarized deep inelastic scattering analyses.

AB - We compute the gluon polarization ΔG and the gluon total angular momentum Jg in the Isgur-Karl quark model. Taking into account self-interaction contributions, we obtain for both quantities a positive value of about 0.24 at the model scale μ20 ≃ 0.25 GeV2. This estimate is reasonably close to the expectation from polarized deep inelastic scattering analyses.

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U2 - 10.1016/S0370-2693(98)00550-4

DO - 10.1016/S0370-2693(98)00550-4

M3 - Article

SN - 0370-2693

VL - 431

SP - 405

EP - 409

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

Gluon spin in a quark model

Abstract

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