Charmed Hadron Physics at BABAR

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作者
Benitez, J. [1 ]
机构
[1] SLAC, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
We present a study of the D+pi(-), D-0 pi(+), and D*pi(-) systems in inclusive e(+)e(-) -> c (c) over bar interactions in a search for new excited D meson states. We use a dataset, consisting of similar to 454 fb (1), collected at center-of-mass energies near 10.58 GeV by the BABAR detector at the SLAC PEP-II asymmetricenergy collider. We observe, for the first time, candidates for the radial excitations of the D-0, D*(0), and D*(+), as well as the L = 2 excited states of the D-0 and D+, where L is the orbital angular momentum of the quarks.
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页数:5
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