Precise Measurement of the Neutron Magnetic Form Factor GMn in the Few-GeV2 Region

被引：90

作者：

Lachniet, J. ^{[1
,2
]}

Afanasev, A. ^{[3
]}

Arenhoevel, H. ^{[4
]}

Brooks, W. K. ^{[5
]}

Gilfoyle, G. P. ^{[6
]}

Higinbotham, D. ^{[7
]}

Jeschonnek, S. ^{[8
]}

Quinn, B. ^{[1
]}

Vineyard, M. F. ^{[9
]}

Adams, G. ^{[37
]}

Adhikari, K. P. ^{[2
]}

Amaryan, M. J. ^{[2
]}

Anghinolfi, M. ^{[26
]}

Asavapibhop, B. ^{[32
]}

Asryan, G. ^{[44
]}

Avakian, H. ^{[25
]}

Bagdasaryan, H. ^{[2
]}

Baillie, N. ^{[43
]}

Ball, J. P. ^{[11
]}

Baltzell, N. A. ^{[40
]}

Barrow, S. ^{[21
]}

Batourine, V. ^{[7
,30
]}

Battaglieri, M. ^{[26
]}

Beard, K. ^{[29
]}

Bedlinskiy, I. ^{[28
]}

Bektasoglu, M. ^{[2
,35
]}

Bellis, M. ^{[1
]}

Benmouna, N. ^{[22
]}

Berman, B. L. ^{[22
]}

Biselli, A. S. ^{[19
]}

Bonner, B. E. ^{[38
]}

Bookwalter, C. ^{[21
]}

Bouchigny, S. ^{[7
,27
]}

Boiarinov, S. ^{[7
,28
]}

Bradford, R. ^{[1
]}

Branford, D. ^{[18
]}

Briscoe, W. J. ^{[22
]}

Bueltmann, S. ^{[2
]}

Burkert, V. D. ^{[7
]}

Calarco, J. R. ^{[33
]}

Careccia, S. L. ^{[2
]}

Carman, D. S. ^{[7
]}

Casey, L. ^{[14
]}

Cheng, L. ^{[14
]}

Cole, P. L. ^{[7
,24
]}

Coleman, A. ^{[43
,45
]}

Collins, P. ^{[11
]}

Cords, D. ^{[7
]}

Corvisiero, P. ^{[26
]}

Crabb, D. ^{[42
]}

机构：

[1] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

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

[3] Hampton Univ, Hampton, VA 23668 USA

[4] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany

[5] Univ Tecn Federico Santa Maria, Valparaiso, Chile

[6] Univ Richmond, Richmond, VA 23173 USA

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

[8] Ohio State Univ, Lima, OH 45804 USA

[9] Union Coll, Schenectady, NY 12308 USA

[10] Argonne Natl Lab, Argonne, IL 60439 USA

[11] Arizona State Univ, Tempe, AZ 85287 USA

[12] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[13] Calif State Univ, Carson, CA 90747 USA

[14] Catholic Univ Amer, Washington, DC 20064 USA

[15] CEA Saclay, Serv Phys Nucl, F-91191 Gif Sur Yvette, France

[16] Christopher Newport Univ, Newport News, VA 23606 USA

[17] Univ Connecticut, Storrs, CT 06269 USA

[18] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[19] Fairfield Univ, Fairfield, CT 06824 USA

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

[21] Florida State Univ, Tallahassee, FL 32306 USA

[22] George Washington Univ, Washington, DC 20052 USA

[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[24] Idaho State Univ, Pocatello, ID 83209 USA

[25] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[26] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[27] Inst Phys Nucl ORSAY, Orsay, France

[28] Inst Theoret & Expt Phys, Moscow 117259, Russia

[29] James Madison Univ, Harrisonburg, VA 22807 USA

[30] Kyungpook Natl Univ, Taegu 702701, South Korea

[31] MIT, Cambridge, MA 02139 USA

[32] Univ Massachusetts, Amherst, MA 01003 USA

[33] Univ New Hampshire, Durham, NH 03824 USA

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

[35] Ohio Univ, Athens, OH 45701 USA

[36] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[37] Rensselaer Polytech Inst, Troy, NY 12180 USA

[38] Rice Univ, Houston, TX 77005 USA

[39] Skobeltsyn Nucl Phys Inst, Moscow 119899, Russia

[40] Univ S Carolina, Columbia, SC 29208 USA

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

[42] Univ Virginia, Charlottesville, VA 22901 USA

[43] Coll William & Mary, Williamsburg, VA 23187 USA

[44] Yerevan Phys Inst, Yerevan 375036, Armenia

[45] Syst Planning & Anal, Alexandria, VA 22311 USA

[46] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[47] George Mason Univ, Fairfax, VA 22030 USA

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 19期

基金：

美国国家科学基金会;

关键词：

ELECTRON-DEUTERON SCATTERING; 4-MOMENTUM TRANSFERS; CROSS-SECTIONS; NUCLEON; CLAS; SYSTEM;

D O I：

10.1103/PhysRevLett.102.192001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The neutron elastic magnetic form factor was extracted from quasielastic electron scattering on deuterium over the range Q(2)=1.0-4.8 GeV2 with the CLAS detector at Jefferson Lab. High precision was achieved with a ratio technique and a simultaneous in situ calibration of the neutron detection efficiency. Neutrons were detected with electromagnetic calorimeters and time-of-flight scintillators at two beam energies. The dipole parametrization gives a good description of the data.

引用

页数：6

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