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Measurement of the e+e− → ηπ+π− cross section in the = 1.04–1.38-GeV energy range with a spherical neutral detector at the VEPP-2M collider
The e + e − → ηπ + π − cross section in the η → 2γ channel has been measured in the = 1.04- to 1.38-GeV energy range. The data with a total integrated luminosity of 9.05 pb −1 were collected on a spherical neutral detector at the VEPP-2M collider. The results are consistent with the BaBar and CMD2 d...
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Published in: | JETP letters 2010, Vol.92 (2), p.80-84 |
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Main Authors: | , , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | The
e
+
e
−
→ ηπ
+
π
−
cross section in the η → 2γ channel has been measured in the
= 1.04- to 1.38-GeV energy range. The data with a total integrated luminosity of 9.05 pb
−1
were collected on a spherical neutral detector at the VEPP-2M collider. The results are consistent with the BaBar and CMD2 data and have a higher statistical accuracy. |
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ISSN: | 0021-3640 1090-6487 |
DOI: | 10.1134/S002136401014002X |