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
收藏
页码：2543 / 2546
页数：4
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