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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Bailung, Yoshini | en_US |
| dc.contributor.author | Behera, Debadatta | en_US |
| dc.contributor.author | Deb, Soumen | en_US |
| dc.date.accessioned | 2023-12-14T12:37:36Z | - |
| dc.date.available | 2023-12-14T12:37:36Z | - |
| dc.date.issued | 2023 | - |
| dc.identifier.citation | Acharya, S., Adamová, D., Adler, A., Aglieri Rinella, G., Agnello, M., Agrawal, N., Ahammed, Z., Ahmad, S., Ahn, S. U., Ahuja, I., Akindinov, A., Al-Turany, M., Aleksandrov, D., Alessandro, B., Alfanda, H. M., Alfaro Molina, R., Ali, B., Alici, A., Alizadehvandchali, N., … ALICE Collaboration. (2023n). Measurements of azimuthal anisotropies at forward and backward rapidity with muons in high-multiplicity p–Pb collisions at sNN=8.16 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. Scopus. https://doi.org/10.1016/j.physletb.2023.137782 | en_US |
| dc.identifier.issn | 2470-0010 | - |
| dc.identifier.other | EID(2-s2.0-85168848895) | - |
| dc.identifier.uri | https://doi.org/10.1103/PhysRevD.108.032009 | - |
| dc.identifier.uri | https://dspace.iiti.ac.in/handle/123456789/12558 | - |
| dc.description.abstract | A new, more precise measurement of the Λ hyperon lifetime is performed using a large data sample of Pb-Pb collisions at sNN=5.02 TeV with ALICE. The Λ and Λ¯ hyperons are reconstructed at midrapidity using their two-body weak decay channel Λ→p+π- and Λ¯→p¯+π+. The measured value of the Λ lifetime is τΛ=[261.07±0.37(stat.)±0.72(syst.)] ps. The relative difference between the lifetime of Λ and Λ¯, which represents an important test of CPT invariance in the strangeness sector, is also measured. The obtained value (τΛ-τΛ¯)/τΛ=0.0013±0.0028(stat.)±0.0021(syst.) is consistent with zero within the uncertainties. Both measurements of the Λ hyperon lifetime and of the relative difference between τΛ and τΛ¯ are in agreement with the corresponding world averages of the Particle Data Group and about a factor of three more precise. © 2023 CERN. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.source | Physical Review D | en_US |
| dc.title | Measurement of the Λ hyperon lifetime | en_US |
| dc.type | Journal Article | en_US |
| dc.rights.license | All Open Access, Hybrid Gold, Green | - |
| Appears in Collections: | Department of Physics | |
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