High-missing-momentum components in the 4He(e,e′p)3H reaction

被引：17

作者：

van Leeuwe, JJ

Blok, HP

van den Brand, JFJ

Bulten, HJ

Dodge, GE

Ent, R

Hesselink, WHA

Jans, E

Kasdorp, WJ

Laget, JM

Lapikas, L

Nagorny, SI

Onderwater, CJG

Pellegrino, AR

Spaltro, CM

Steijger, JJM

Schiavilla, R

Templon, JA

Unal, O

机构：

[1] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

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

[3] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[4] TJNAF, Newport News, VA 23606 USA

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

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

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.80.2543

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The cross section of the He-4(e, e'p)H-3 reaction has been measured for missing momenta 220 less than or equal to p(m) less than or equal to 690 MeV/c to study high-momentum components of the nuclear wave function and the reaction mechanism for this transition. The zero predicted in the plane-wave impulse approximation (PWIA) cross section, due to the underlying pt momentum distribution, is found to be washed out. Three types of calculations indicate that this is caused by final-state interactions and contributions from two-body currents. The calculations reproduce the high p(m) (600-690 MeV/c) data, although due to different ingredients in the models.

引用

页码：2543 / 2546

页数：4

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