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arXiv 0707.0448nucl-ex
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$^4$ He中$3d \to 2p$ X射线能量的精确测量

Precision measurement of the $3d \to 2p$ x-ray energy in kaonic $^4$He

S. Okada, G. Beer, H. Bhang, M. Cargnelli, J. Chiba, Seonho Choi, C. Curceanu, Y. Fukuda, T. Hanaki, R. S. Hayano, M. Iio, T. Ishikawa, S. Ishimoto, T. Ishiwata… 展开作者

S. Okada, G. Beer, H. Bhang, M. Cargnelli, J. Chiba, Seonho Choi, C. Curceanu, Y. Fukuda, T. Hanaki, R. S. Hayano, M. Iio, T. Ishikawa, S. Ishimoto, T. Ishiwatari, K. Itahashi, M. Iwai, M. Iwasaki, B. Juhász, P. Kienle, J. Marton, Y. Matsuda, H. Ohnishi, H. Outa, M. Sato, P. Schmid, S. Suzuki, T. Suzuki, H. Tatsuno, D. Tomono, E. Widmann, T. Yamazaki, H. Yim, J. Zmeskal

摘要:

为了研究低能$\bar{K}$ -核强相互作用,我们用新型大面积硅漂移X射线探测器测量了K介子$^4$ He原子的Balmer系列X射线.测定$3d \to 2p$跃迁的能量为6467 $\pm$ 3(stat)$\pm$ 2(syst)eV。由此产生的强相互作用能级移动与理论计算一致,从而消除了理论和实验之间长期存在的差异。

英文摘要:

We have measured the Balmer-series x-rays of kaonic $^4$He atoms using novel large-area silicon drift x-ray detectors in order to study the low-energy $\bar{K}$-nucleus strong interaction. The energy of the $3d \to 2p$ transition was determined to be 6467 $\pm$ 3 (stat) $\pm$ 2 (syst) eV. The resulting strong-interaction energy-level shift is in agreement with theoretical calculations, thus eliminating a long-standing discrepancy between theory and experiment.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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