A New Narrow Resonance in the D_s π~0 System

机译：D_sπ〜0系统中的新窄共振

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A sample of ～ 91 fb~(-1) of e~+e~- interactions at center of mass energy near 10.6 GeV/c from the PEP-II asymmetric collider at SLAC has been examined by the BABAK collaboration. Evidence for a narrow state with mass 2317 MeV/c~2 decaying to D_s~+ 衺0 is found. These data, showing the signal and properties of the state, are presented. Evidence for a second state at ～2460 MeV/c~2 decaying to DSSπ~0 is also shown. Data from other experiments are shown, and possible implications of the existence of these states discussed.

机译：BABAK合作研究了在SLAC的PEP-II不对称对撞机的质能中心附近的e〜+ e〜-相互作用的〜91 fb〜（-1）样本，距离为10.6 GeV / c。找到了质量为2317 MeV / c〜2衰减到D_s〜+衺0的窄态的证据。这些数据表示状态的信号和属性。还显示了在〜2460 MeV / c〜2处第二状态衰减到DSSπ〜0的证据。显示了来自其他实验的数据，并讨论了这些状态的存在的可能含义。

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来源
《The high Energy Physics Workshop on "Scalar Mesons: An Interesting Puzzle for QCD"; May 16-18, 2003; Utica, New York》|2003年|p.238-251|共14页
会议地点 Utica NY(US)
作者
B. Meadows;
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作者单位

University of Cincinnati Cincinnati, OH, 45221, USA;

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原文格式 PDF
正文语种 eng
中图分类 O5;
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4. Observation of a Narrow Resonance in the D_s~+ π~0 System at 2.32 GeV/c~2 with BABAR [C] . Ray F. Cowan Conference on the Intersections between Particle and Nuclear Physics . 2003

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A New Narrow Resonance in the D_s π~0 System

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