Measurement of the electric form factor of the neutron at Q2=0.5 and 1.0 GeV2/c2 -: art. no. 042301

被引：158

作者：

Warren, G ^{[1
]}

Wesselmann, F

Zhu, H

McKee, P

Savvinov, N

Zeier, M

Aghalaryan, A

Ahmidouch, A

Arenhövel, H

Asaturyan, R

Ben-Dayan, I

Bloch, F

Boeglin, W

Boillat, B

Breuer, H

Brower, J

Carasco, C

Carl, M

Carlini, R

Cha, J

Chant, N

Christy, E

Cole, L

Coman, L

Coman, M

Crabb, D

Danagoulian, S

Day, D

Duek, K

Dunne, J

Elaasar, M

Ent, R

Farrell, J

Fatemi, R

Fawcett, D

Fenker, H

Forest, T

Garrow, K

Gasparian, A

Goussev, I

Gueye, P

Harvey, M

Hauger, M

Herrera, R

Hu, B

Jaegle, I

Jones, M

Jourdan, J

Keith, C

Kelly, J

机构：

[1] Univ Basel, CH-4056 Basel, Switzerland

[2] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[3] Univ Virginia, Charlottesville, VA 22903 USA

[4] Univ Maryland, College Pk, MD 20742 USA

[5] Yerevan Phys Inst, Yerevan 375036, Armenia

[6] N Carolina Agr & Tech State Univ, Greensboro, NC 27411 USA

[7] Johannes Gutenberg Univ Mainz, D-55099 Mainz, Germany

[8] Tel Aviv Univ, IL-69978 Tel Aviv, Israel

[9] Florida Int Univ, Miami, FL 33199 USA

[10] Ohio Univ, Athens, OH 45071 USA

[11] Mississippi State Univ, Mississippi State, MS 39762 USA

[12] Hampton Univ, Hampton, VA 23668 USA

[13] So Univ New Orleans, New Orleans, LA 70126 USA

[14] Louisiana Tech Univ, Ruston, LA 71272 USA

[15] Norfolk State Univ, Norfolk, VA 23504 USA

[16] Old Dominion Univ, Norfolk, VA 23529 USA

[17] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[18] Duke Univ, Durham, NC 27708 USA

[19] TUNL, Durham, NC 27708 USA

[20] N Carolina Cent Univ, Durham, NC 27707 USA

[21] Free Univ Amsterdam, NL-1081 HV Amsterdam, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.92.042301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The electric form factor of the neutron was determined from measurements of the (d) over right arrow((e) over right arrow ,e(')n)p reaction for quasielastic kinematics. Polarized electrons were scattered off a polarized deuterated ammonia ((ND3)-N-15) target in which the deuteron polarization was perpendicular to the momentum transfer. The scattered electrons were detected in a magnetic spectrometer in coincidence with neutrons in a large solid angle detector. We find G(E)(n)=0.0526+/-0.0033(stat)+/-0.0026(sys) and 0.0454+/-0.0054+/-0.0037 at Q(2)=0.5 and 1.0 (GeV/c)(2), respectively.

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