H[lambda]3 and H‾[lambda]‾3 lifetime measurement in Pb-Pb collisions at √sNN=5.02 TeV via two-body decay
An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb-Pb collisions at sNN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been reconstructed via its charged two-body mesonic decay channel and the lifetime has bee...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
3 September 2019
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| In: |
Physics letters
Year: 2019, Jahrgang: 797 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2019.134905 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1016/j.physletb.2019.134905 Verlag: http://www.sciencedirect.com/science/article/pii/S0370269319306276 
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| Verfasserangaben: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a H[lambda]3 and H‾[lambda]‾3 lifetime measurement in Pb-Pb collisions at √sNN=5.02 TeV via two-body decay |c ALICE Collaboration* |
| 246 | 3 | 0 | |a Λ sqrt |
| 246 | 3 | 3 | |a H [lambda] 3 and H ‾ [lambda] ‾ 3 lifetime measurement in Pb-Pb collisions at √sNN=5.02 TeV via two-body decay |
| 264 | 1 | |c 3 September 2019 | |
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| 500 | |a Im Titel ist [lambda] als griechischer Buchstabe dargestellt | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelzeichen | ||
| 500 | |a Im Titel ist [lambda] tiefgestellt | ||
| 500 | |a Im Titel ist die Zahl "3" hochgestellt | ||
| 500 | |a Im Titel ist der Buchstabe "s" hochgestellt | ||
| 500 | |a Der Name "Yuncu" [Yüncü] ist in der Verfasserangabe falsch geschrieben | ||
| 500 | |a *ALICE Collaboration: S. Archaya, V. Anguelov, M. Arslandok, M.C. Danisch, V.J.G. Feuillard, P. Glässel, J. Kim, M. Kim, S. Klewin, M.K. Köhler, L. Leardini, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, A. Schmah, M.O. Schmidt, J. Stachel, D.F. Weiser, B. Windelband, A. Yuncu [und 1021 weitere Personen] | ||
| 500 | |a Gesehen am 25.10.2019 | ||
| 520 | |a An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb-Pb collisions at sNN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been reconstructed via its charged two-body mesonic decay channel and the lifetime has been determined from an exponential fit to the dN/d(ct) spectrum. The measured value, τ=242−38+34 (stat.) ± 17 (syst.) ps, is compatible with representative theoretical predictions, thus contributing to the solution of the longstanding hypertriton lifetime puzzle. | ||
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