Search for the 4He-η bound state in dd → (4He-η)bound → 3Henπ0 and dd → (4He-η)bound → 3Hepπ- reactions with the WASA-at-COSY facility

被引：1
|
作者：
Skurzok, M. [1 ]
Krzemien, W. [1 ]
Moskal, P. [1 ,2 ]
机构：
[1] Jagiellonian Univ, M Smoluchowski Inst Phys, Krakow, Poland
[2] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany
来源：
MESON 2014 - 13TH INTERNATIONAL WORKSHOP ON PRODUCTION, PROPERTIES AND INTERACTION OF MESONS | 2014年 / 81卷
关键词：
ETA-MESIC NUCLEI; MESON; PHOTOPRODUCTION;
D O I：
10.1051/epjconf/20148102020
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In November 2010, the search for the He-4-eta bound state was performed with high statistics and high acceptance with the WASA-at-COSY facility using a ramped beam technique. The signature of eta -mesic nuclei is searched for in the measured excitation functions for the two reaction channels: dd -> (3)Hen pi(0) and dd -> (3)Hep pi-near the. production threshold. This report includes the description of the experimental method and the status of the data analysis.
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页数：4
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