Measurement of the quasifree p+n->d+eta reaction near threshold

被引：121

作者：

Calen, H

Dyring, J

Fransson, K

Gustafsson, L

Haggstrom, S

Hoistad, B

Johansson, A

Johansson, T

Kullander, S

Mortsell, A

Ruber, RJMY

Schuberth, U

Zlomanczuk, J

Ekstrom, C

Kilian, K

Oelert, W

Renken, V

Sefzick, T

Bondar, A

Kuzmin, A

Shwartz, B

Sidorov, V

Sukhanov, A

Kupsc, A

Marciniewski, P

Stepaniak, J

Dunin, V

Morosov, B

Povtorejko, A

Sukhanov, A

Zernov, A

Zabierowski, J

Wilhelmi, Z

机构：

[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, IKP, D-52425 JULICH, GERMANY

[2] SVEDBERG LAB, S-75121 UPPSALA, SWEDEN

[3] BUDKER INST NUCL PHYS, NOVOSIBIRSK 630090, RUSSIA

[4] INST NUCL STUDIES, PL-00681 WARSAW, POLAND

[5] DUBNA JOINT NUCL RES INST, MOSCOW 101000, RUSSIA

[6] INST NUCL STUDIES, PL-90137 LODZ, POLAND

[7] UNIV WARSAW, INST EXPT PHYS, PL-0061 WARSAW, POLAND

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.79.2642

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The quasifree p + n --> d + eta reaction cross section has been measured in the near-threshold region using deuterium from an internal cluster-jet target and 1350 MeV protons in the CELSIUS storage ring of the The Svedberg Laboratory, Uppsala. The energy dependence of the cross section is extracted by exploiting the Fermi momentum of the target neutron and reconstructing the kinematics on an event-by-event basis. The data cover center of mass excess energies from 16 to 113 MeV.

引用

页码：2642 / 2645

页数：4

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