JLab Measurements of the 3He Form Factors at Large Momentum Transfers

被引：8

作者：

Camsonne, A. ^{[23
]}

Katramatou, A. T. ^{[12
]}

Olson, M. ^{[21
]}

Acha, A. ^{[4
]}

Allada, K. ^{[13
]}

Anderson, B. D. ^{[12
]}

Arrington, J. ^{[12
]}

Baldwin, A. ^{[12
]}

Chen, J. -P. ^{[23
]}

Choi, S. ^{[19
]}

Chudakov, E. ^{[23
]}

Cisbani, E. ^{[9
,11
]}

Craver, B. ^{[24
]}

Decowski, P. ^{[20
]}

Dutta, C. ^{[13
]}

Folts, E. ^{[23
]}

Frullani, S. ^{[9
,11
]}

Garibaldi, F. ^{[9
,11
]}

Gilman, R. ^{[17
,23
]}

Gomez, J. ^{[23
]}

Hahn, B. ^{[25
]}

Hansen, J. -O. ^{[23
]}

Higinbotham, D. W. ^{[23
]}

Holmstrom, T. ^{[14
]}

Huang, J. ^{[15
]}

Iodice, M. ^{[10
]}

Jiang, X. ^{[17
]}

Kelleher, A. ^{[25
]}

Khrosinkova, E. ^{[12
]}

Kievsky, A. ^{[8
]}

Kuchina, E. ^{[17
]}

Kumbartzki, G. ^{[17
]}

Lee, B. ^{[19
]}

LeRose, J. J. ^{[23
]}

Lindgren, R. A. ^{[24
]}

Lott, G. ^{[23
]}

Lu, H. ^{[18
]}

Marcucci, L. E. ^{[8
,16
]}

Margaziotis, D. J. ^{[2
]}

Markowitz, P. ^{[4
]}

Marrone, S. ^{[6
,7
]}

Meekins, D. ^{[23
]}

Meziani, Z. -E. ^{[22
]}

Michaels, R. ^{[23
]}

Moffit, B. ^{[15
]}

Norum, B. ^{[24
]}

Petratos, G. G. ^{[12
]}

Puckett, A. ^{[15
]}

Qian, X. ^{[3
]}

Rondon, O. ^{[24
]}

机构：

[1] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA

[2] Calif State Univ Los Angeles, Los Angeles, CA 90032 USA

[3] Duke Univ, TUNL, Durham, NC 27708 USA

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

[5] Univ Illinois Urbana Champagne, Urbana, IL 61801 USA

[6] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[7] Univ Bari, I-70126 Bari, Italy

[8] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[9] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[10] Ist Nazl Fis Nucl, Sez Roma Tre, I-00146 Rome, Italy

[11] Ist Super Sanita, I-00161 Rome, Italy

[12] Kent State Univ, Kent, OH 44242 USA

[13] Univ Kentucky, Lexington, KY 40506 USA

[14] Longwood Univ, Farmville, VA 23909 USA

[15] MIT, Cambridge, MA 02139 USA

[16] Univ Pisa, I-56127 Pisa, Italy

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

[18] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

[19] Seoul Natl Univ, Seoul 151747, South Korea

[20] Smith Coll, Northampton, MA 01063 USA

[21] St Norbert Coll, De Pere, WI 54115 USA

[22] Temple Univ, Philadelphia, PA 19122 USA

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

[24] Univ Virginia, Charlottesville, VA 22904 USA

[25] Coll William & Mary, Williamsburg, VA 23185 USA

[26] Yerevan Phys Inst, Yerevan 375036, Armenia

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 16期

基金：

美国国家科学基金会;

关键词：

ELASTIC ELECTRON-SCATTERING; ELECTROMAGNETIC STRUCTURE; NUCLEI; DEUTERON; H-3; DYNAMICS;

D O I：

10.1103/PhysRevLett.119.162501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The charge and magnetic form factors, F-C and F-M, respectively, of He-3 are extracted in the kinematic range 25 fm(-2) <= Q(2) <= 61 fm(-2) from elastic electron scattering by detecting He-3 recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the Hall A Facility at Jefferson Lab. The measurements find evidence for the existence of a second diffraction minimum for the magnetic form factor at Q(2) = 49.3 fm(-2) and for the charge form factor at Q(2) = 62.0 fm(-2). Both minima are predicted to exist in the Q(2) range accessible by this Jefferson Lab experiment. The data are in qualitative agreement with theoretical calculations based on realistic interactions and accurate methods to solve the three-body nuclear problem.

引用

页数：6

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