Correlated leading baryon-antibaryon production in e+e−→cc[bar]→Λ+cΛ[bar]−cX
We present a study of 649±35 e+e−→cc[bar] events produced at √s≈10.6 GeV containing both a Λ+c baryon and a Λ[bar]−c antibaryon. The number observed is roughly 4 times that expected if the leading charmed hadron types are uncorrelated, confirming an observation by the CLEO Collaboration. We find a 2...
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| Main Authors: | , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
9 November 2010
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2010, Volume: 82, Issue: 9, Pages: 1-8 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.82.091102 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.82.091102 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.82.091102 
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| Author Notes: | BABAR Collaboration* |
MARC
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| 246 | 3 | 3 | |a Correlated leading baryon-antibaryon production in e + e − → c c [bar] → Lambda + c Lambda [bar] − c X |
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| 500 | |a Im Titel sind die Zeichen + und - hochgestellt | ||
| 500 | |a Im Titel ist der dritte und vierte Buchstabe tiefgestellt | ||
| 500 | |a Gesehen am 28.11.2022 | ||
| 520 | |a We present a study of 649±35 e+e−→cc[bar] events produced at √s≈10.6 GeV containing both a Λ+c baryon and a Λ[bar]−c antibaryon. The number observed is roughly 4 times that expected if the leading charmed hadron types are uncorrelated, confirming an observation by the CLEO Collaboration. We find a 2-jet topology in these events but very few additional baryons, demonstrating that the primary c and c[bar] are predominantly contained in a correlated baryon-antibaryon system. In addition to the charmed baryons we observe on average 2.6±0.2 charged intermediate mesons, predominantly pions, carrying 65% of the remaining energy. | ||
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