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Acharya, S 
ORCID: 0000-0002-9213-5329, Adamová, D ORCID: 0000-0002-0504-7428, Adler, A, Aglieri Rinella, G ORCID: 0000-0002-9611-3696, Agnello, M ORCID: 0000-0002-0760-5075, Agrawal, N ORCID: 0000-0003-0348-9836, Ahammed, Z ORCID: 0000-0001-5241-7412, Ahmad, S ORCID: 0000-0003-0497-5705, Ahn, SU ORCID: 0000-0001-8847-489X, Ahuja, I ORCID: 0000-0002-4417-1392 et al (show 90 more authors) , Akindinov, A ORCID: 0000-0002-7388-3022, Al-Turany, M ORCID: 0000-0002-8071-4497, Aleksandrov, D ORCID: 0000-0002-9719-7035, Alessandro, B ORCID: 0000-0001-9680-4940, Alfanda, HM ORCID: 0000-0002-5659-2119, Alfaro Molina, R ORCID: 0000-0002-4713-7069, Ali, B ORCID: 0000-0002-0877-7979, Ali, Y, Alici, A ORCID: 0000-0003-3618-4617, Alizadehvandchali, N ORCID: 0009-0000-7365-1064, Alkin, A ORCID: 0000-0002-2205-5761, Alme, J ORCID: 0000-0003-0177-0536, Alocco, G ORCID: 0000-0001-8910-9173, Alt, T ORCID: 0009-0005-4862-5370, Altsybeev, I ORCID: 0000-0002-8079-7026, Anaam, MN ORCID: 0000-0002-6180-4243, Andrei, C ORCID: 0000-0001-8535-0680, Andronic, A ORCID: 0000-0002-2372-6117, Anguelov, V ORCID: 0009-0006-0236-2680, Antinori, F ORCID: 0000-0002-7366-8891, Antonioli, P ORCID: 0000-0001-7516-3726, Anuj, C ORCID: 0000-0002-2205-4419, Apadula, N ORCID: 0000-0002-5478-6120, Aphecetche, L ORCID: 0000-0001-7662-3878, Appelshäuser, H ORCID: 0000-0003-0614-7671, Arata, C ORCID: 0009-0002-1990-7289, Arcelli, S ORCID: 0000-0001-6367-9215, Aresti, M ORCID: 0000-0003-3142-6787, Arnaldi, R ORCID: 0000-0001-6698-9577, Arsene, IC ORCID: 0000-0003-2316-9565, Arslandok, M ORCID: 0000-0002-3888-8303, Augustinus, A ORCID: 0009-0008-5460-6805, Averbeck, R ORCID: 0000-0003-4277-4963, Azmi, MD ORCID: 0000-0002-2501-6856, Badalà, A ORCID: 0000-0002-0569-4828, Baek, YW ORCID: 0000-0002-4343-4883, Bai, X ORCID: 0009-0009-9085-079X, Bailhache, R ORCID: 0000-0001-7987-4592, Bailung, Y ORCID: 0000-0003-1172-0225, Bala, R ORCID: 0000-0002-4116-2861, Balbino, A ORCID: 0000-0002-0359-1403, Baldisseri, A ORCID: 0000-0002-6186-289X, Balis, B ORCID: 0000-0002-3082-4209, Banerjee, D ORCID: 0000-0001-5743-7578, Banoo, Z ORCID: 0000-0002-7178-3001, Barbera, R ORCID: 0000-0001-5971-6415, Barile, F ORCID: 0000-0003-2088-1290, Barioglio, L ORCID: 0000-0002-7328-9154, Barlou, M, Barnaföldi, GG ORCID: 0000-0001-9223-6480, Barnby, LS ORCID: 0000-0001-7357-9904, Barret, V ORCID: 0000-0003-0611-9283, Barreto, L ORCID: 0000-0002-6454-0052, Bartels, C ORCID: 0009-0002-3371-4483, Barth, K ORCID: 0000-0001-7633-1189, Bartsch, E ORCID: 0009-0006-7928-4203, Baruffaldi, F ORCID: 0000-0002-7790-1152, Bastid, N ORCID: 0000-0002-6905-8345, Basu, S ORCID: 0000-0003-0687-8124, Batigne, G ORCID: 0000-0001-8638-6300, Battistini, D ORCID: 0009-0000-0199-3372, Batyunya, B ORCID: 0009-0009-2974-6985, Bauri, D, Bazo Alba, JL ORCID: 0000-0001-9148-9101, Bearden, IG ORCID: 0000-0003-2784-3094, Beattie, C ORCID: 0000-0001-7431-4051, Becht, P ORCID: 0000-0002-7908-3288, Behera, D ORCID: 0000-0002-2599-7957, Belikov, I ORCID: 0009-0005-5922-8936, Bell Hechavarria, ADC ORCID: 0000-0002-0442-6549, Bellini, F ORCID: 0000-0003-3498-4661, Bellwied, R ORCID: 0000-0002-3156-0188, Belokurova, S ORCID: 0000-0002-4862-3384, Belyaev, V ORCID: 0000-0003-2843-9667, Bencedi, G ORCID: 0000-0002-9040-5292, Beole, S ORCID: 0000-0003-4673-8038, Bercuci, A ORCID: 0000-0002-4911-7766, Berdnikov, Y ORCID: 0000-0003-0309-5917, Berdnikova, A ORCID: 0000-0003-3705-7898, Bergmann, L ORCID: 0009-0004-5511-2496, Besoiu, MG ORCID: 0000-0001-5253-2517, Betev, L ORCID: 0000-0002-1373-1844, Bhaduri, PP ORCID: 0000-0001-7883-3190, Bhasin, A ORCID: 0000-0002-3687-8179, Bhat, MA ORCID: 0000-0002-3643-1502, Bhattacharjee, B ORCID: 0000-0002-3755-0992, Bianchi, L ORCID: 0000-0003-1664-8189, Bianchi, N ORCID: 0000-0001-6861-2810, Bielčík, J ORCID: 0000-0003-4940-2441 and Bielčíková, J ORCID: 0000-0003-1659-0394
(2023)
Measurement of the Lifetime and Λ Separation Energy of HΛ3
Physical Review Letters, 131 (10).
102302-.
ISSN 0031-9007, 1079-7114
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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.
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