Kaonic 3He and 4He measurements in the SIDDHARTA experiment at the DAΦNE collider

被引:0
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作者
Tatsuno, H. [1 ]
Bazzi, M. [1 ]
Beer, G. [2 ]
Bombelli, L. [3 ]
Bragadireanu, A. M. [1 ,4 ]
Cargnelli, M. [5 ]
Curceanu , C. [1 ]
d'Uffizi, A. [1 ]
Fiorini, C. [3 ]
Frizzi, T. [3 ]
Ghio, F. [6 ,7 ]
Guaraldo, C. [1 ]
Hayano, R. S. [8 ]
Iliescu, M. [1 ,4 ]
Ishiwatari, T. [5 ]
Iwasaki, M. [9 ]
Kienle, P. [5 ,10 ]
Sandri, P. Levi [1 ]
Longoni, A. [3 ]
Marton, J. [5 ]
Okada, S. [9 ]
Pietreanu, D. [1 ,4 ]
Ponta, T. [4 ]
Rizzo, A. [1 ]
Romero Vidal, A. [11 ]
Sbardella, E. [1 ]
Scordo, A. [1 ]
Shi, H. [8 ]
Sirghi, D. L. [1 ,4 ]
Sirghi, F. [1 ,4 ]
Tudorache, A. [4 ]
Tudorache, V. [4 ]
Doce, O. Vazquez [10 ]
Widmann, E. [5 ]
Wuenschek, B. [5 ]
Zmeskal, J. [5 ]
机构
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, Rome, Italy
[2] Univ Victoria, Dept Phys & Astron, Victoria, BC V8W 2Y2, Canada
[3] Politecn Milan, Sezione Elettron, Milan, Italy
[4] Horia Hulubei Natl Inst Phys & Nucl Engn, Magurele, Romania
[5] Stefan Meyer Inst Subatomare Physik, Vienna, Austria
[6] INFN, Sezione Roma, Rome, Italy
[7] Ist Super Sanit, Rome, Italy
[8] Univ Tokyo, Tokyo 106, Japan
[9] RIKEN, Inst Phys & Chem Res, Saitama, Japan
[10] Tech Univ Munich, Physik Dept, Garching, Germany
[11] Univ Santiago Compostela, Santiago De Compostela, Spain
基金
奥地利科学基金会;
关键词
X-RAYS;
D O I
10.1051/epjconf/20123702002
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The SIDDHARTA collaboration measured kaonic He-3 and He-4 3d -> 2p X-rays with gaseous targets at the DA Phi NE e(+)e(-) collider. The 2p-state strong-interaction shifts and widths were precisely determined by using 144 high-resolution silicon drift detectors. The shift of K-4He is in good agreement with theoretical calculations and consistent with the recent experimental result of KEK-PS E570. The shift of K-3He is also determined for the first time. The newly determined widths are in agreement with optical model calculations.
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页数:4
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