MELOSH ROTATION - SOURCE OF THE PROTONS MISSING SPIN

被引：98

作者：

MA, BQ ^{[1
]}

机构：

[1] ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1991年 / 17卷 / 05期

关键词：

D O I：

10.1088/0954-3899/17/5/001

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

It is shown that the observed small value of the integrated spin structure function for protons could be naturally understood within the naive quark model by considering the effect from Melosh rotation. The key to this problem lies in the fact that the deep inelastic process probes the light-cone quarks rather than the instant-form quarks, and that the spin of the proton is the sum of the Melosh rotated light-cone spin of the individual quarks rather than simply the sum of the light-cone spin of the quarks directly.

引用

页码：L53 / L57

页数：5

共 35 条

[1]

ADLER SL, 1974, PHYS REV D, V10, P1669, DOI 10.1103/PhysRevD.10.1669.2

[2] AN INVESTIGATION OF THE SPIN STRUCTURE OF THE PROTON IN DEEP INELASTIC-SCATTERING OF POLARIZED MUONS ON POLARIZED PROTONS [J].

ASHMAN, J ;

BADELEK, B ;

BAUM, G ;

BEAUFAYS, J ;

BEE, CP ;

BENCHOUK, C ;

BIRD, IG ;

BROWN, SC ;

CAPUTO, MC ;

CHEUNG, HWK ;

CHIMA, JS ;

CIBOROWSKI, J ;

CLIFFT, R ;

COIGNET, G ;

COMBLEY, F ;

COURT, G ;

DAGOSTINI, G ;

DREES, J ;

DUREN, M ;

DYCE, N ;

EDWARDS, AW ;

EDWARDS, M ;

ERNST, T ;

FERRERO, MI ;

FRANCIS, D ;

GABATHULER, E ;

GAMET, R ;

GIBSON, V ;

GILLIES, J ;

GRAFSTROM, P ;

HAMACHER, K ;

HARRACH, DV ;

HAYMAN, PJ ;

HOLT, JR ;

HUGHES, VW ;

JACHOLKOWSKA, A ;

JONES, T ;

KABUSS, EM ;

KORZEN, B ;

KRUNER, U ;

KULLANDER, S ;

LANDGRAF, U ;

LANSKE, D ;

LETTENSTROM, F ;

LINDQVIST, T ;

LOKEN, J ;

MATTHEWS, M ;

MIZUNO, Y ;

MONIG, K ;

MONTANET, F .

NUCLEAR PHYSICS B, 1989, 328 (01) :1-35

[3] A MEASUREMENT OF THE SPIN ASYMMETRY AND DETERMINATION OF THE STRUCTURE-FUNCTION G1 IN DEEP INELASTIC MUON PROTON-SCATTERING [J].

ASHMAN, J ;

BADELEK, B ;

BAUM, G ;

BEAUFAYS, J ;

BEE, CP ;

BENCHOUK, C ;

BIRD, IG ;

BROWN, SC ;

CAPUTO, MC ;

CHEUNG, HWK ;

CHIMA, J ;

CIBOROWSKI, J ;

CLIFFT, RW ;

COIGNET, G ;

COMBLEY, F ;

COURT, G ;

DAGOSTINI, G ;

DREES, J ;

DUREN, M ;

DYCE, N ;

EDWARDS, AW ;

EDWARDS, M ;

ERNST, T ;

FERRERO, MI ;

FRANCIS, D ;

GABATHULER, E ;

GAJEWSKI, J ;

GAMET, R ;

GIBSON, V ;

GILLIES, J ;

GRAFSTROM, P ;

HAMACHER, K ;

VONHARRACH, D ;

HAYMAN, P ;

HOLT, JR ;

HUGHES, VW ;

JACHOLKOWSKA, A ;

JONES, T ;

KABUSS, EM ;

KORZEN, B ;

KRUNER, U ;

KULLANDER, S ;

LANDGRAF, U ;

LANSKE, D ;

LETTENSTROM, F ;

LINDQVIST, T ;

LOKEN, J ;

MATTHEWS, M ;

MIZUNO, Y ;

MONIG, K .

PHYSICS LETTERS B, 1988, 206 (02) :364-370

[4]

BERESTETSKII VB, 1976, SOV J NUCL PHYS+, V24, P547

[5] INELASTIC SCATTERING OF POLARIZED LEPTONS FROM POLARIZED NUCLEONS [J].

BJORKEN, JD .

PHYSICAL REVIEW D, 1970, 1 (05) :1376-&

[6] APPLICATIONS OF CHIRAL U (6) BYU (6) ALGEBRA OF CURRENT DENSITIES [J].

BJORKEN, JD .

PHYSICAL REVIEW, 1966, 148 (04) :1467-&

[7]

BOGOLIOUBOV PN, 1968, ANN I H POINCARE A, V8, P163

[8]

BRODSKY SJ, 1982, LECTURES LEPTON NUCL, P255

[9]

BRODSKY SJ, 1983, PARTICLES FIELDS, V2, P143

[10] HAMILTONIAN LIGHT-FRONT DYNAMICS OF ELASTIC ELECTRON-DEUTERON SCATTERING [J].

CHUNG, PL ;

COESTER, F ;

KEISTER, BD ;

POLYZOU, WN .

PHYSICAL REVIEW C, 1988, 37 (05) :2000-2015

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