MEASUREMENTS OF THE ELECTRIC AND MAGNETIC FORM-FACTORS OF THE PROTON FROM Q(2)=1.75 TO 8.83 (GEV/C)(2)

被引：345

作者：

ANDIVAHIS, L

BOSTED, PE

LUNG, A

STUART, LM

ALSTER, J

ARNOLD, RG

CHANG, CC

DIETRICH, FS

DODGE, W

GEARHART, R

GOMEZ, J

GRIFFIOEN, KA

HICKS, RS

HYDEWRIGHT, CE

KEPPEL, C

KUHN, SE

LICHTENSTADT, J

MISKIMEN, RA

PETERSON, GA

PETRATOS, GG

ROCK, SE

ROKNI, S

SAKUMOTO, WK

SPENGOS, M

SWARTZ, K

SZALATA, Z

TAO, LH

机构：

[1] UNIV CALIF DAVIS, DAVIS, CA 95616 USA

[2] CONTINUOUS ELECTRON BEAM ACCELERATOR FACIL CTR, NEWPORT NEWS, VA 23606 USA

[3] LAWRENCE LIVERMORE NATL LAB, LIVERMORE, CA 94550 USA

[4] UNIV MARYLAND, COLLEGE PK, MD 20742 USA

[5] UNIV MASSACHUSETTS, AMHERST, MA 01003 USA

[6] NIST, GAITHERSBURG, MD 20899 USA

[7] UNIV PENN, PHILADELPHIA, PA 19104 USA

[8] UNIV ROCHESTER, ROCHESTER, NY 14627 USA

[9] STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA

[10] TEL AVIV UNIV, IL-69978 TEL AVIV, ISRAEL

[11] UNIV WASHINGTON, SEATTLE, WA 98195 USA

[12] STANFORD UNIV, STANFORD, CA 94305 USA

来源：

PHYSICAL REVIEW D | 1994年 / 50卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.50.5491

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The proton elastic form factors G(Ep)(Q(2)) and G(Mp)(Q(2)) have been extracted for Q(2) = 1.75 to 8.83 (GeV/c)(2) via a Rosenbluth separation to ep elastic cross section measurements in the angular range 13 degrees less than or equal to theta less than or equal to 90 degrees. The Q(2) range covered more than doubles that of the existing data. For Q(2) < 4 (GeV/c)(2), where the data overlap with previous measurements, the total uncertainties have been reduced to < 14% in G(Ep) and < 1.5% in G(Mp). Results for G(Ep)(Q(2)) are consistent with the dipole fit, G(D)(Q(2)) = (1 + Q(2)/0.71)(-2), while those for G(Mp)(Q(2))/mu(p)G(D)(Q(2)) decrease smoothly from 1.05 to 0.92. Deviations from form factor scaling are observed up to 20%. The ratio Q(2)F(2)/F-1 is observed to approach a constant value for Q(2) > 3 (GeV/c)(2). Comparisons are made to vector meson dominance, dimensional scaling, QCD sum rule, diquark, and constituent quark models, none of which fully characterize all the new data.

引用

页码：5491 / 5517

页数：27

共 56 条

[1]

ANDIVAHIS L, 1992, SLAC REPORT PUB, V5753

[2] MEASUREMENTS OF TRANSVERSE QUASIELASTIC ELECTRON-SCATTERING FROM THE DEUTERON AT HIGH MOMENTUM-TRANSFERS [J].

ARNOLD, RG ;

BENTON, D ;

BOSTED, P ;

CLOGHER, L ;

DECHAMBRIER, G ;

KATRAMATOU, AT ;

LAMBERT, J ;

LUNG, A ;

PETRATOS, GG ;

RAHBAR, A ;

ROCK, SE ;

SZALATA, ZM ;

DEBEBE, B ;

FRODYMA, M ;

HICKS, RS ;

HOTTA, A ;

PETERSON, GA ;

GEARHART, RA ;

ALSTER, J ;

LICHTENSTADT, J ;

DIETRICH, F ;

VANBIBBER, K .

PHYSICAL REVIEW LETTERS, 1988, 61 (07) :806-809

[3] MEASUREMENT OF ELASTIC ELECTRON-SCATTERING FROM THE PROTON AT HIGH MOMENTUM-TRANSFER [J].

ARNOLD, RG ;

BOSTED, PE ;

CHANG, CC ;

GOMEZ, J ;

KATRAMATOU, AT ;

MARTOFF, CJ ;

PETRATOS, GG ;

RAHBAR, AA ;

ROCK, SE ;

SILL, AF ;

SZALATA, ZM ;

SHERDEN, DJ ;

LAMBERT, JM ;

LOMBARDNELSEN, RM .

PHYSICAL REVIEW LETTERS, 1986, 57 (02) :174-177

[4]

ATWOOD WB, 1975, THESIS STANFORD U

[5] MEASUREMENT OF PROTON AND NEUTRON ELECTROMAGNETIC FORM-FACTORS AT SQUARED 4-MOMENTUM TRANSFERS UP TO 3 (GEV-C)2 [J].

BARTEL, W ;

BUSSER, FW ;

DIX, WR ;

FELST, R ;

HARMS, D ;

KREHBIEL, H ;

KUHLMANN, PE ;

MCELROY, J ;

MEYER, J ;

WEBER, G .

NUCLEAR PHYSICS B, 1973, 58 (02) :429-475

[6] ELECTROMAGNETIC FORM FACTORS OF PROTON AT SQUARED 4-MOMENTUM TRANSFERS BETWEEN 10 AND 50 FM-2 [J].

BERGER, C ;

BURKERT, V ;

KNOP, G ;

LANGENBE.B ;

RITH, K .

PHYSICS LETTERS B, 1971, B 35 (01) :87-&

[7]

BOSTED P, 1985, SLAC NPASTN851 REP

[8] MEASUREMENTS OF THE ELECTRIC AND MAGNETIC FORM-FACTORS OF THE PROTON FROM Q(2)=1.75 TO 8.83 (GEV/C)(2) [J].

BOSTED, PE ;

ANDIVAHIS, L ;

LUNG, A ;

STUART, LM ;

ALSTER, J ;

ARNOLD, RG ;

CHANG, CC ;

DIETRICH, FS ;

DODGE, W ;

GEARHART, R ;

GOMEZ, J ;

GRIFFIOEN, KA ;

HICKS, RS ;

HYDEWRIGHT, CE ;

KEPPEL, C ;

KUHN, SE ;

LICHTENSTADT, J ;

MISKIMEN, RA ;

PETERSON, GA ;

PETRATOS, GG ;

ROCK, SE ;

ROKNI, S ;

SAKUMOTO, WK ;

SPENGOS, M ;

SWARTZ, K ;

SZALATA, Z ;

TAO, LH .

PHYSICAL REVIEW LETTERS, 1992, 68 (26) :3841-3844

[9] MEASUREMENTS OF THE DEUTERON AND PROTON MAGNETIC FORM-FACTORS AT LARGE MOMENTUM-TRANSFERS [J].

BOSTED, PE ;

KATRAMATOU, AT ;

ARNOLD, RG ;

BENTON, D ;

CLOGHER, L ;

DECHAMBRIER, G ;

LAMBERT, J ;

LUNG, A ;

PETRATOS, GG ;

RAHBAR, A ;

ROCK, SE ;

SZALATA, ZM ;

DEBEBE, B ;

FRODYMA, M ;

HICKS, RS ;

HOTTA, A ;

PETERSON, GA ;

GEARHART, RA ;

ALSTER, J ;

LICHTENSTADT, J ;

DIETRICH, F ;

VANBIBBER, K .

PHYSICAL REVIEW C, 1990, 42 (01) :38-64

[10] MEASUREMENTS OF NU-W2 AND R=SIGMA-L/SIGMA-T FROM INELASTIC ELECTRON-ALUMINUM SCATTERING NEAR X=1 [J].

BOSTED, PE ;

LUNG, A ;

ANDIVAHIS, L ;

STUART, LM ;

ALSTER, J ;

ARNOLD, RG ;

CHANG, CC ;

DIETRICH, FS ;

DODGE, W ;

GEARHART, R ;

GOMEZ, J ;

GRIFFIOEN, KA ;

HICKS, RS ;

HYDEWRIGHT, CE ;

KEPPEL, C ;

KUHN, SE ;

LICHTENSTADT, J ;

MISKIMEN, RA ;

PETERSON, GA ;

PETRATOS, GG ;

ROCK, SE ;

ROKNI, S ;

SAKUMOTO, WK ;

SPENGOS, M ;

SWARTZ, K ;

SZALATA, Z ;

TAO, LH .

PHYSICAL REVIEW C, 1992, 46 (06) :2505-2515

← 1 2 3 4 5 6 →