Precise Extraction of the Induced Polarization in the 4He(e,el(p)over-right-arrow)3H Reaction

被引：25

作者：

Malace, S. P. ^{[1
]}

Paolone, M. ^{[1
]}

Strauch, S. ^{[1
]}

Albayrak, I. ^{[2
]}

Arrington, J. ^{[3
]}

Berman, B. L. ^{[4
]}

Brash, E. J. ^{[5
]}

Briscoe, B. ^{[4
]}

Camsonne, A. ^{[6
]}

Chen, J. -P. ^{[6
]}

Christy, M. E. ^{[2
]}

Chudakov, E. ^{[6
]}

Cisbani, E. ^{[7
,8
]}

Craver, B. ^{[9
]}

Cusanno, F. ^{[7
,8
]}

Ent, R. ^{[6
]}

Garibaldi, F. ^{[7
,8
]}

Gilman, R. ^{[6
,10
]}

Glamazdin, O. ^{[11
]}

Glister, J. ^{[12
,13
]}

Higinbotham, D. W. ^{[6
]}

Hyde-Wright, C. E. ^{[14
]}

Ilieva, Y. ^{[1
]}

de Jager, C. W. ^{[6
]}

Jiang, X. ^{[10
]}

Jones, M. K. ^{[6
]}

Keppel, C. E. ^{[2
]}

Khrosinkova, E. ^{[15
]}

Kuchina, E. ^{[10
]}

Kumbartzki, G. ^{[10
]}

Lee, B. ^{[16
]}

Lindgren, R. ^{[9
]}

Margaziotis, D. J. ^{[17
]}

Meekins, D. ^{[6
]}

Michaels, R. ^{[6
]}

Park, K. ^{[6
]}

Pentchev, L. ^{[18
]}

Perdrisat, C. F. ^{[18
]}

Piasetzky, E. ^{[19
]}

Punjabi, V. A. ^{[20
]}

Puckett, A. J. R. ^{[21
]}

Qian, X. ^{[22
]}

Qiang, Y. ^{[21
]}

Ransome, R. D. ^{[10
]}

Saha, A. ^{[6
]}

Sarty, A. J. ^{[12
]}

Schulte, E. ^{[10
]}

Solvignon, P. ^{[3
]}

Subedi, R. R. ^{[15
]}

Tang, L. ^{[2
]}

机构：

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

[2] Hampton Univ, Hampton, VA 23668 USA

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

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

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

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

[7] Ist Nazl Fis Nucl, Sanita Grp, I-00161 Rome, Italy

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

[9] Univ Virginia, Charlottesville, VA 22904 USA

[10] Rutgers State Univ, Piscataway, NJ 08854 USA

[11] Kharkov Phys & Technol Inst, UA-310108 Kharkov, Ukraine

[12] St Marys Univ, Halifax, NS B3H 3C3, Canada

[13] Dalhousie Univ, Halifax, NS, Canada

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

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

[16] Seoul Natl Univ, Seoul, South Korea

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

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

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

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

[21] MIT, Cambridge, MA 02139 USA

[22] Duke Univ, Durham, NC 27708 USA

[23] Univ Complutense Madrid, E-28040 Madrid, Spain

[24] CSIC, Inst Estruct Mat, E-28006 Madrid, Spain

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 05期

基金：

美国国家科学基金会;

关键词：

BOUND NUCLEONS;

D O I：

10.1103/PhysRevLett.106.052501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We measured with unprecedented precision the induced polarization P-y in He-4(e, e(l)(p) over right arrow)H-3 at Q(2) = 0.8 and 1.3 (GeV/c)(2). The induced polarization is indicative of reaction-mechanism effects beyond the impulse approximation. Our results are in agreement with a relativistic distorted-wave impulse approximation calculation but are overestimated by a calculation with strong charge-exchange effects. Our data are used to constrain the strength of the spin-independent charge-exchange term in the latter calculation.

引用

页数：5

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