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| Title: | Measurement of the Lifetime and Λ Separation Energy of HΛ3 |
| Authors: | Bailung, Yoshini Behera, Debadatta Deb, Soumen |
| Issue Date: | 2023 |
| Publisher: | American Physical Society |
| 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., Ali, Y., Alici, A., … ALICE Collaboration. (2023f). Measurement of the Lifetime and Λ Separation Energy of HΛ3. Physical Review Letters. Scopus. https://doi.org/10.1103/PhysRevLett.131.102302 |
| Abstract: | The most precise measurements to date of the HΛ3 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 HΛ3 is reconstructed via its charged two-body mesonic decay channel (HΛ3→He3+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 HΛ3 structure is consistent with a weakly bound system. © 2023 CERN. |
| URI: | https://doi.org/10.1103/PhysRevLett.131.102302 https://dspace.iiti.ac.in/handle/123456789/12548 |
| ISSN: | 0031-9007 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Physics |
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