Measurement of the lifetime and Λ separation energy of 3ΛH
The most precise measurements to date of the 3ΛH lifetime τ and Λ separation energy BΛ are obtained using the data sample of Pb-Pb collisions at √sNN=5.02 TeV collected by ALICE at the LHC. The 3ΛH is reconstructed via its charged two-body mesonic decay channel (3ΛH→3He+π− and the charge-conjugate p...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
5 September 2023
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| In: |
Physical review letters
Year: 2023, Volume: 131, Issue: 10, Pages: 1-13 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.131.102302 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.131.102302 Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.131.102302 |
| Author Notes: | S. Acharya et al. (ALICE Collaboration*) |
MARC
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| 245 | 1 | 0 | |a Measurement of the lifetime and Λ separation energy of 3ΛH |c S. Acharya et al. (ALICE Collaboration*) |
| 246 | 3 | 3 | |a Measurement of the lifetime and Lambda separation energy of 3 Lambda H |
| 264 | 1 | |c 5 September 2023 | |
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| 500 | |a *ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova, L. Bergmann, A.G. Borquez Carcamo, J. Crkovska, M.C. Danisch, V.J.G. Feuillard, I. Fokin, P. Glässel, J. Kim, M. Kim, M. Kroesen, J.A. Lopez, A. Nath, Y. Pachmayer, K. Reygers, R. Schicker, A. Schmah, G. Skorodumovs, J. Stachel, S.F. Stiefelmaier, C.A. Van Veen, M.A. Völkl, B. Windelband, A. Yuncu, F. Zanone [und 1015 weitere Personen] | ||
| 500 | |a Im Titel ist der zweite Buchstabe Lambda tiefgestellt sowie die Zahl 3 hochgestellt | ||
| 500 | |a Gesehen am 21.05.2024 | ||
| 520 | |a The most precise measurements to date of the 3ΛH lifetime τ and Λ separation energy BΛ are obtained using the data sample of Pb-Pb collisions at √sNN=5.02 TeV collected by ALICE at the LHC. The 3ΛH is reconstructed via its charged two-body mesonic decay channel (3ΛH→3He+π− and the charge-conjugate process). The measured values τ=[253±11(stat)±6(syst)] ps and BΛ=[102±63(stat)±67(syst)] keV are compatible with predictions from effective field theories and confirm that the 3ΛH structure is consistent with a weakly bound system. | ||
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