Measurements of electron-proton elastic cross sections for 0.4 < Q2 < 5.5 (GeV/c)2 -: art. no. 015206

被引：203

作者：

Christy, ME ^{[1
]}

Ahmidouch, A

Armstrong, CS

Arrington, J

Asaturyan, R

Avery, S

Baker, OK

Beck, DH

Blok, HP

Bochna, CW

Boeglin, W

Bosted, P

Bouwhuis, M

Breuer, H

Brown, DS

Bruell, A

Carlini, RD

Chant, NS

Cochran, A

Cole, L

Danagoulian, S

Day, DB

Dunne, J

Dutta, D

Ent, R

Fenker, HC

Fox, B

Gan, L

Gao, H

Garrow, K

Gaskell, D

Gasparian, A

Geesaman, DF

Guèye, PLJ

Harvey, M

Holt, RJ

Jiang, X

Keppel, CE

Kinney, E

Liang, Y

Lorenzon, W

Lung, A

Markowitz, P

Martin, JW

McIlhany, K

McKee, D

Meekins, D

Miller, MA

Milner, RG

Mitchell, JH

机构：

[1] Hampton Univ, Hampton, VA 23668 USA

[2] American Univ, Washington, DC 20016 USA

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

[4] Univ Colorado, Boulder, CO 80309 USA

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

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

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

[8] Univ Illinois, Urbana, IL 61801 USA

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

[10] Univ Massachusetts, Amherst, MA 01003 USA

[11] MIT, Cambridge, MA 02139 USA

[12] Univ Michigan, Ann Arbor, MI 48109 USA

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

[14] New Mexico State Univ, Las Cruces, NM 88003 USA

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

[16] Ohio Univ, Athens, OH 45071 USA

[17] Oregon State Univ, Corvallis, OR 97331 USA

[18] Rutgers State Univ, Piscataway, NJ 08855 USA

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

[20] Univ Virginia, Charlottesville, VA 22901 USA

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

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

[23] Yerevan Phys Inst, Yerevan 375036, Armenia

来源：

PHYSICAL REVIEW C | 2004年 / 70卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevC.70.015206

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：

We report on precision measurements of the elastic cross section for electron-proton scattering performed in Hall C at Jefferson Lab. The measurements were made at 28 distinct kinematic settings covering a range in momentum transfer of 0.4<Q(2)<5.5 (GeV/c)(2). These measurements represent a significant contribution to the world's cross section data set in the Q(2) range, where a large discrepancy currently exists between the ratio of electric to magnetic proton form factors extracted from previous cross section measurements and that recently measured via polarization transfer in Hall A at Jefferson Lab. This data set shows good agreement with previous cross section measurements, indicating that if a heretofore unknown systematic error does exist in the cross section measurements, then it is intrinsic to all such measurements.

引用

页码：015206 / 1

页数：15

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Measurements of electron-proton elastic cross sections for 0.4 &lt; Q2 &lt; 5.5 (GeV/c)2 -: art. no. 015206

Measurements of electron-proton elastic cross sections for 0.4 < Q2 < 5.5 (GeV/c)2 -: art. no. 015206