Di-pion emission in heavy quarkonia decays
JETP Letters, ISSN: 1090-6487, Vol: 87, Issue: 3, Page: 121-123
2008
- 10Citations
- 1Captures
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Article Description
The dipion spectrum for the γ(nS) → γ(n'S) transition with n < 4 has the form dw/dq ∼(phase space) |η - x|, with x = q - 4m / (ΔM) - 4m < q 'M , and ΔM = M(nS) - M(n'S). The parameter η is calculated and the spectrum is shown to reproduce the experimental data for all three types of decays: 3 → 1, 2 → 1, and 3 → 2 with η ≈ 0.5, 0, and -3, respectively. © 2008 Pleiades Publishing, Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=42449145142&origin=inward; http://dx.doi.org/10.1134/s0021364008030016; http://link.springer.com/10.1134/S0021364008030016; http://www.springerlink.com/index/pdf/10.1134/S0021364008030016; http://springerlink.metapress.com/doi.mpx; http://dx.doi.org/10.1007/s11448-008-3001-5; http://link.springer.com/content/pdf/10.1134/S0021364008030016; http://link.springer.com/content/pdf/10.1134/S0021364008030016.pdf; http://link.springer.com/article/10.1134/S0021364008030016/fulltext.html; https://dx.doi.org/10.1007/s11448-008-3001-5; https://link.springer.com/article/10.1134/S0021364008030016; http://www.springerlink.com/index/10.1134/S0021364008030016; https://dx.doi.org/10.1134/s0021364008030016
Pleiades Publishing Ltd
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