Kaonic hydrogen X-ray measurement in SIDDHARTA

被引：108

作者：

Bazzi, M. ^{[1
]}

Beer, G. ^{[2
]}

Bombelli, L. ^{[3
]}

Bragadireanu, A. M. ^{[1
,4
]}

Cargnelli, M. ^{[5
]}

Corradi, G. ^{[1
]}

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
]}

Lucherini, V. ^{[1
]}

Marton, J. ^{[5
]}

Okada, S. ^{[1
]}

Pietreanu, D. ^{[1
,4
]}

Ponta, T. ^{[4
]}

Rizzo, A. ^{[1
]}

Vidal, A. Romero ^{[1
]}

Scordo, A. ^{[1
]}

Shi, H. ^{[8
]}

Sirghi, D. L. ^{[1
,4
]}

Sirghi, F. ^{[1
,4
]}

Tatsuno, H. ^{[8
]}

Tudorache, A. ^{[4
]}

Tudorache, V. ^{[4
]}

Doce, O. Vazquez ^{[1
]}

Widmann, E. ^{[5
]}

Zmeskal, J. ^{[5
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, Rome, Italy

[2] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada

[3] Politecn Milan, Sez Elettron, I-20133 Milan, Italy

[4] Horia Hulubei Natl Inst Phys & Nucl Engn, Magurele, Romania

[5] Stefan Meyer Inst Subatomare Phys, Vienna, Austria

[6] Ist Nazl Fis Nucl, Sez Roma 1, Rome, Italy

[7] Ist Super Sanita, I-00161 Rome, Italy

[8] Univ Tokyo, Tokyo, Japan

[9] RIKEN, Inst Phys & Chem Res, Saitama, Japan

[10] Tech Univ Munich, Dept Phys, D-8046 Garching, Germany

来源：

NUCLEAR PHYSICS A | 2012年 / 881卷

关键词：

Kaonic atoms; Low-energy QCD; Antikaon-nucleon physics; X-ray detection; CHIRAL DYNAMICS; LEVEL SHIFTS; STATES; SYSTEMS; NUCLEI; SEARCH; ATOMS;

D O I：

10.1016/j.nuclphysa.2011.12.008

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Kaonic hydrogen atoms provide a unique laboratory to probe the kaon-nucleon strong interaction at the energy threshold, allowing an investigation of the interplay between spontaneous and explicit chiral symmetry breaking in low-energy QCD. The SIDDHARTA Collaboration has measured the K-series X rays of kaonic hydrogen atoms at the DA Phi NE electron-positron collider of Laboratori Nazionali di Frascati, and has determined the most precise values of the strong-interaction induced shift and width of the 1s atomic energy level. This result provides vital constraints on the theoretical description of the low-energy (K) over barN interaction. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：88 / 97

页数：10

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