First Measurement of A = 4 Hypernuclei and Antihypernuclei at the LHC

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In this Letter, the first evidence of the (Formula presented) antihypernucleus is presented, along with the first measurement at the LHC of the production of (anti)hypernuclei with mass number (Formula presented), specifically (Formula presented) and (Formula presented). In addition, the antiparticle-to-particle ratios for both hypernuclei ((Formula presented) and (Formula presented)) are shown, which are sensitive to the baryochemical potential of the strongly interacting matter created in heavy-ion collisions. The results are obtained from a data sample of central Pb-Pb collisions, collected during the 2018 LHC data taking at a center-of-mass energy per nucleon pair of (Formula presented). The yields measured for the average of the charge-conjugated states are found to be (Formula presented) for the (Formula presented) and (Formula presented) for the (Formula presented), and the measured antiparticle-to-particle ratios are in agreement with unity. The presence of (Formula presented) and (Formula presented) excited states is expected to strongly enhance the production yield of these hypernuclei. The yield values exhibit a combined deviation of (Formula presented) from the theoretical ground-state-only expectation, while the inclusion of the excited states in the calculations leads to an agreement within (Formula presented) with the present measurements. Additionally, the measured (Formula presented) and (Formula presented) masses are compatible with the world-average values within the uncertainties. © 2025 CERN, for the ALICE Collaboration.

키워드

LIGHT-NUCLEI PRODUCTIONCOLLISIONSQCD
제목
First Measurement of A = 4 Hypernuclei and Antihypernuclei at the LHC
저자
Acharya, S.Agarwal, A.Aglieri Rinella, G.Aglietta, L.Agnello, M.Agrawal, N.Ahammed, Z.Ahmad, S.Ahn, S.U.Ahuja, I.Akindinov, A.Akishina, V.Al-Turany, M.Aleksandrov, D.Alessandro, B.Alfanda, H.M.Alfaro Molina, R.Ali, B.Alici, A.Alizadehvandchali, N.Alkin, A.Alme, J.Alocco, G.Alt, T.Altamura, A.R.Altsybeev, I.Alvarado, J.R.Alvarez, C.O.R.Anaam, M.N.Andrei, C.Andreou, N.Andronic, A.Andronov, E.Anguelov, V.Antinori, F.Antonioli, P.Apadula, N.Aphecetche, L.Appelshäuser, H.Arata, C.Arcelli, S.Arnaldi, R.Arneiro, J.G.M.C.A.Arsene, I.C.Arslandok, M.Augustinus, A.Averbeck, R.Averyanov, D.Azmi, M.D.Baba, H.Badalà, A.Bae, J.Baek, Y.W.Bai, X.Bailhache, R.Bailung, Y.Bala, R.Balbino, A.Baldisseri, A.Balis, B.Banoo, Z.Barbasova, V.Barile, F.Barioglio, L.Barlou, M.Barman, B.Barnaföldi, G.G.Barnby, L.S.Barreau, E.Barret, V.Barreto, L.Bartels, C.Barth, K.Bartsch, E.Bastid, N.Basu, S.Batigne, G.Battistini, D.Batyunya, B.Bauri, D.Bazo Alba, J.L.Bearden, I.G.Beattie, C.Becht, P.Behera, D.Belikov, I.Bell Hechavarria, A.D.C.Bellini, F.Bellwied, R.Belokurova, S.Beltran, L.G.E.Beltran, Y.A.V.Bencedi, G.Bensaoula, A.Beole, S.Berdnikov, Y.Berdnikova, A.Bergmann, L.Besoiu, M.G.Betev, L.Bhaduri, P.P.Bhasin, A.Bhattacharjee, B.Bianchi, L.Bielčík, J.Bielčíková, J.Bigot, A.P.Bilandzic, A.Biro, G.Biswas, S.Bize, N.Blair, J.T.Blau, D.Blidaru, M.B.Bluhme, N.Blume, C.Boca, G.Bock, F.Bodova, T.Bok, J.Boldizsár, L.Bombara, M.Bond, P.M.Bonomi, G.Borel, H.Borissov, A.Borquez Carcamo, A.G.Botta, E.Bouziani, Y.E.M.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Bruno, G.E.Buchakchiev, V.D.Buckland, M.D.Budnikov, D.Buesching, H.Bufalino, S.Buhler, P.Burmasov, N.Buthelezi, Z.Bylinkin, A.Bysiak, S.A.Cabanillas Noris, J.C.Cabrera, M.F.T.Cai, M.Caines, H.Caliva, A.Calvo Villar, E.Camacho, J.M.M.Camerini, P.Canedo, F.D.M.Cantway, S.L.Carabas, M.Carballo, A.A.Carnesecchi, F.Caron, R.Carvalho, L.A.D.Castillo Castellanos, J.Castoldi, M.Catalano, F.Cattaruzzi, S.Cerri, R.Chakaberia, I.Chakraborty, P.Chandra, S.Chapeland, S.Chartier, M.Chattopadhay, S.Chattopadhyay, S.Chattopadhyay, S.Chen, M.Cheng, T.Cheshkov, C.Chibante Barroso, V.Chinellato, D.D.Chizzali, E.S.Cho, J.Cho, S.Chochula, P.Chochulska, Z.A.Choudhury, D.Christakoglou, P.Christensen, C.H.Christiansen, P.Chujo, T.Ciacco, M.Cicalo, C.Ciupek, M.R.Clai, G.Colamaria, F.Colburn, J.S.Colella, D.Colelli, A.Colocci, M.Concas, M.Conesa Balbastre, G.del Valle, Z. ConesaContin, G.Contreras, J.G.Coquet, M.L.Cortese, P.Cosentino, M.R.Costa, F.Costanza, S.Cot, C.Crochet, P.Czarnynoga, M.M.Dainese, A.Dange, G.Danisch, M.C.Danu, A.Das, P.Das, S.Dash, A.R.Dash, S.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Martin, C.De Pasquale, S.Deb, R.Del Grande, R.Dello Stritto, L.Deng, W.Devereaux, K.C.Dhankher, P.Di Bari, D.Di Mauro, A.Di Ruzza, B.Diab, B.Diaz, R.A.Dietel, T.Ding, Y.Ditzel, J.Divià, R.Djuvsland, Ø.Dmitrieva, U.Dobrin, A.Dönigus, B.Dubinski, J.M.Dubla, A.Dupieux, P.Dzalaiova, N.Eder, T.M.Ehlers, R.J.Eisenhut, F.Ejima, R.Elia, D.Erazmus, B.Ercolessi, F.Espagnon, B.Eulisse, G.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fan, W.Fantoni, A.Fasel, M.Feliciello, A.Feofilov, G.Fernández Téllez, A.Ferrandi, L.Ferrer, M.B.Ferrero, A.Ferrero, C.Ferretti, A.Feuillard, V.J.G.Filova, V.Finogeev, D.Fionda, F.M.Flatland, E.Flor, F.Flores, A.N.Foertsch, S.Fokin, I.Fokin, S.Follo, U.Fragiacomo, E.Frajna, E.Fuchs, U.Funicello, N.Furget, C.Furs, A.Fusayasu, T.Gaardhøje, J.J.Gagliardi, M.Gago, A.M.Gahlaut, T.Galvan, C.D.Gami, S.Gangadharan, D.R.Ganoti, P.Garabatos, C.Garcia, J.M.García Chávez, T.Garcia-Solis, E.Gargiulo, C.Gasik, P.Gaur, H.M.Gautam, A.Gay Ducati, M.B.Germain, M.Gernhaeuser, R.A.Ghosh, C.Giacalone, M.Gioachin, G.Giri, S.K.Giubellino, P.Giubilato, P.Glaenzer, A.M.C.Glässel, P.Glimos, E.Goh, D.J.Q.Gonzalez, V.Gordeev, P.Gorgon, M.Goswami, K.Gotovac, S.Grabski, V.Graczykowski, L.K.Grecka, E.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Grosa, F.Grosse-Oetringhaus, J.F.Grosso, R.Grund, D.Grunwald, N.A.Guardiano, G.G.Guernane, R.Guilbaud, M.Gulbrandsen, K.Gumprecht, J.J.W.K.Gündem, T.Gunji, T.Guo, W.Gupta, A.Gupta, R.Gupta, R.Gwizdziel, K.Gyulai, L.Hadjidakis, C.Haider, F.U.Haidlova, S.Haldar, M.Hamagaki, H.Han, Y.Hanley, B.G.Hannigan, R.Hansen, J.Haque, M.R.Harris, J.W.Harton, A.Hartung, M.V.Hassan, H.Hatzifotiadou, D.Hauer, P.Havener, L.B.Hellbär, E.Helstrup, H.Hemmer, M.Herman, T.Hernandez, S.G.Herrera Corral, G.Herrmann, S.Hetland, K.F.Heybeck, B.Hillemanns, H.Hippolyte, B.Hobus, I.P.M.Hoffmann, F.W.Hofman, B.Hong, G.H.Horst, M.Horzyk, A.Hou, Y.Hristov, P.Huhn, P.Huhta, L.M.Humanic, T.J.Hutson, A.Hutter, D.Hwang, M.C.Ilkaev, R.Inaba, M.Innocenti, G.M.Ippolitov, M.Isakov, A.Isidori, T.Islam, M.S.Iurchenko, S.Ivanov, M.Ivanov, M.Ivanov, V.Iversen, K.E.Jablonski, M.Jacak, B.Jacazio, N.Jacobs, P.M.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M.J.Janik, M.A.Janson, T.Ji, S.Jia, S.Jiang, T.Jimenez, A.A.P.Jonas, F.Jones, D.M.Jowett, J.M.Jung, J.Jung, M.Junique, A.Jusko, A.Kaewjai, J.Kalinak, P.Kalweit, A.Karasu Uysal, A.Karatovic, D.Karatzenis, N.Karavichev, O.Karavicheva, T.Karpechev, E.Karwowska, M.J.Kebschull, U.Keil, M.Ketzer, B.Keul, J.Khade, S.S.Khan, A.M.Khan, S.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Khuranova, Z.Kileng, B.Kim, B.Kim, C.Kim, D.J.Kim, E.J.Kim, J.Kim, J.Kim, J.Kim, M.Kim, S.Kim, T.Kimura, K.Kirkova, A.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Kitowski, J.P.Klay, J.L.Klein, J.Klein, S.Klein-Bösing, C.Kleiner, M.Klemenz, T.Kluge, A.Kobdaj, C.Kohara, R.Kollegger, T.Kondratyev, A.Kondratyeva, N.Konig, J.Konigstorfer, S.A.Konopka, P.J.Kornakov, G.Korwieser, M.Koryciak, S.D.Koster, C.Kotliarov, A.Kovacic, N.Kovalenko, V.Kowalski, M.Kozhuharov, V.Kozlov, G.Králik, I.Kravčáková, A.Krcal, L.Krivda, M.Krizek, F.Krizkova Gajdosova, K.Krug, C.Krüger, M.Krupova, D.M.Kryshen, E.Kučera, V.Kuhn, C.Kuijer, P.G.Kumaoka, T.Kumar, D.Kumar, L.Kumar, N.Kumar, S.Kundu, S.Kurashvili, P.Kurepin, A.B.Kuryakin, A.Kushpil, S.Kuskov, V.Kutyla, M.Kuznetsov, A.Kweon, M.J.Kwon, Y.La Pointe, S.L.La Rocca, P.Lakrathok, A.Lamanna, M.Landou, A.R.Langoy, R.Larionov, P.Laudi, E.Lautner, L.Laveaga, R.A.N.Lavicka, R.Lea, R.Lee, H.Legrand, I.Legras, G.Lehrbach, J.Lejeune, A.M.Lelek, T.M.Lemmon, R.C.León Monzón, I.Lesch, M.M.Lesser, E.D.Lévai, P.Li, M.Li, P.Li, X.Liang-Gilman, B.E.Lien, J.Lietava, R.Likmeta, I.Lim, B.Lim, S.H.Lindenstruth, V.Lippmann, C.Liu, D.H.Liu, J.Liveraro, G.S.S.Lofnes, I.M.Loizides, C.Lokos, S.Lömker, J.Lopez, X.López Torres, E.Lotteau, C.Lu, P.Lu, Z.Lugo, F.V.Luhder, J.R.Lunardon, M.Luparello, G.Ma, Y.G.Mager, M.Maire, A.Majerz, E.M.Makariev, M.V.Malaev, M.Malfattore, G.Malik, N.M.Malik, S.K.Malinina, L.Mallick, D.Mallick, N.Mandaglio, G.Mandal, S.K.Manea, A.Manko, V.Manso, F.Manzari, V.Mao, Y.Marcjan, R.W.Margagliotti, G.V.Margotti, A.Marín, A.Markert, C.Marquez, C.F.B.Martinengo, P.Martínez, M.I.Martínez García, G.Martins, M.P.P.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Massen, O.Mastroserio, A.Mattiazzo, S.Matyja, A.Mazzaschi, F.Mazzilli, M.Melikyan, Y.Melo, M.Menchaca-Rocha, A.Mendez, J.E.M.Meninno, E.Menon, A.S.Menzel, M.W.Meres, M.Miake, Y.Micheletti, L.Mihai, D.Mihaylov, D.L.Mikhaylov, K.Minafra, N.Miśkowiec, D.Modak, A.Mohanty, B.Mohisin Khan, M.Molander, M.A.Monira, S.Mordasini, C.Moreira De Godoy, D.A.Morozov, I.Morsch, A.Mrnjavac, T.Muccifora, V.Muhuri, S.Mulligan, J.D.Mulliri, A.Munhoz, M.G.Munzer, R.H.Murakami, H.Murray, S.Musa, L.Musinsky, J.Myrcha, J.W.Naik, B.Nambrath, A.I.Nandi, B.K.Nania, R.Nappi, E.Nassirpour, A.F.Nastase, V.Nath, A.Nath, S.Nattrass, C.Naydenov, M.N.Neagu, A.Negru, A.Nekrasova, E.Nellen, L.Nepeivoda, R.Nese, S.Nicassio, N.Nielsen, B.S.Nielsen, E.G.Nikolaev, S.Nikulin, S.Nikulin, V.Noferini, F.Noh, S.Nomokonov, P.Norman, J.Novitzky, N.Nowakowski, P.Nyanin, A.Nystrand, J.Oh, S.Ohlson, A.Okorokov, V.A.Oleniacz, J.Onnerstad, A.Oppedisano, C.Ortiz Velasquez, A.Otwinowski, J.Oya, M.Oyama, K.Pachmayer, Y.Padhan, S.Pagano, D.Paić, G.Paisano-Guzmán, S.Palasciano, A.Panasenko, I.Panebianco, S.Pantouvakis, C.Park, H.Park, J.Parkkila, J.E.Patley, Y.Patra, R.N.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pennisi, M.Perciballi, S.Peresunko, D.Perez, G.M.Pestov, Y.Petersen, M.T.Petrov, V.Petrovici, M.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pinto, C.Pisano, S.Płoskoń, M.Planinic, M.Pliquett, F.Plociennik, D.K.Poghosyan, M.G.Polichtchouk, B.Politano, S.Poljak, N.Pop, A.Porteboeuf-Houssais, S.Pozdniakov, V.Pozos, I.Y.Pradhan, K.K.Prasad, S.K.Prasad, S.Preghenella, R.Prino, F.Pruneau, C.A.Pshenichnov, I.Puccio, M.Pucillo, S.Qiu, S.Quaglia, L.Radhakrishnan, A.M.K.Ragoni, S.Rai, A.Rakotozafindrabe, A.Ramello, L.Rami, F.Rasa, M.Räsänen, S.S.Rath, R.Rauch, M.P.Ravasenga, I.Read, K.F.Reckziegel, C.Redelbach, A.R.Redlich, K.Reetz, C.A.Regules-Medel, H.D.Rehman, A.Reidt, F.Reme-Ness, H.A.Reygers, K.Riabov, A.Riabov, V.Ricci, R.Richter, M.Riedel, A.A.Riegler, W.Riffero, A.G.Rignanese, M.Ripoli, C.Ristea, C.Rodriguez, M.V.Rodríguez Cahuantzi, M.Rodríguez Ramírez, S.A.Røed, K.Rogalev, R.Rogochaya, E.Rogoschinski, T.S.Rohr, D.Röhrich, D.Rojas Torres, S.Rokita, P.S.Romanenko, G.Ronchetti, F.Rosas, E.D.Roslon, K.Rossi, A.Roy, A.Roy, S.Rubini, N.Rudolph, J.A.Ruggiano, D.Rui, R.Russek, P.G.Russo, R.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Ryu, J.Rzesa, W.Sabiu, B.Sadovsky, S.Saetre, J.Saha, S.Sahoo, B.Sahoo, R.Sahoo, S.Sahu, D.Sahu, P.K.Saini, J.Sajdakova, K.Sakai, S.Salvan, M.P.Sambyal, S.Samitz, D.Sanna, I.Saramela, T.B.Sarkar, D.Sarma, P.Sarritzu, V.Sarti, V.M.Sas, M.H.P.Sawan, S.Scapparone, E.Schambach, J.Scheid, H.S.Schiaua, C.Schicker, R.Schlepper, F.Schmah, A.Schmidt, C.Schmidt, H.R.Schmidt, M.O.Schmidt, M.Schmidt, N.V.Schmier, A.R.Schotter, R.Schröter, A.Schukraft, J.Schweda, K.Scioli, G.Scomparin, E.Seger, J.E.Sekiguchi, Y.Sekihata, D.Selina, M.Selyuzhenkov, I.Senyukov, S.Seo, J.J.Serebryakov, D.Serkin, L.Šerkšnytė, L.Sevcenco, A.Shaba, T.J.Shabetai, A.Shahoyan, R.Shangaraev, A.Sharma, B.Sharma, D.Sharma, H.Sharma, M.Sharma, S.Sharma, S.Sharma, U.Shatat, A.Sheibani, O.Shigaki, K.Shimomura, M.Shin, J.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silva, T.F.Silvermyr, D.Simantathammakul, T.Simeonov, R.Singh, B.Singh, K.Singh, R.Singh, R.Singh, R.Singh, S.Singh, V.K.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T.B.Skorodumovs, G.Smirnov, N.Snellings, R.J.M.Solheim, E.H.Song, J.Sonnabend, C.Sonneveld, J.M.Soramel, F.Soto-Hernandez, A.B.Spijkers, R.Sputowska, I.Staa, J.Stachel, J.Stan, I.Steffanic, P.J.Stellhorn, T.Stiefelmaier, S.F.Stocco, D.Storehaug, I.Strangmann, N.J.Stratmann, P.Strazzi, S.Sturniolo, A.Stylianidis, C.P.Suaide, A.A.P.Suire, C.Sukhanov, M.Suljic, M.Sultanov, R.Sumberia, V.Sumowidagdo, S.Szymkowski, M.Tabares, L.H.Taghavi, S.F.Taillepied, G.Takahashi, J.Tambave, G.J.Tang, S.Tang, Z.Tapia Takaki, J.D.Tapus, N.Tarasovicova, L.A.Tarzila, M.G.Tassielli, G.F.Tauro, A.Tavira García, A.Tejeda Muñoz, G.Terlizzi, L.Terrevoli, C.Thakur, S.Thomas, D.Tikhonov, A.Tiltmann, N.Timmins, A.R.Tkacik, M.Tkacik, T.Toia, A.Tokumoto, R.Tomassini, S.Tomohiro, K.Topilskaya, N.Toppi, M.Torres, V.V.Torres Ramos, A.G.Trifiró, A.Triloki, T.Triolo, A.S.Tripathy, S.Tripathy, T.Trogolo, S.Trubnikov, V.Trzaska, W.H.Trzcinski, T.P.Tsolanta, C.Tu, R.Tumkin, A.Turrisi, R.Tveter, T.S.Ullaland, K.Ulukutlu, B.Upadhyaya, S.Uras, A.Urioni, M.Usai, G.L.Vala, M.Valle, N.van Doremalen, L.V.R.van Leeuwen, M.van Veen, C.A.van Weelden, R.J.G.Vande Vyvre, P.Varga, D.Varga, Z.Vargas Torres, P.Vasileiou, M.Vasiliev, A.Vázquez Doce, O.Vazquez Rueda, O.Vechernin, V.Vercellin, E.Verma, R.Vermunt, L.Vértesi, R.Verweij, M.Vickovic, L.Vilakazi, Z.Villalobos Baillie, O.Villani, A.Vinogradov, A.Virgili, T.Virta, M.M.O.Vodopyanov, A.Volkel, B.Völkl, M.A.Voloshin, S.A.Volpe, G.von Haller, B.Vorobyev, I.Vozniuk, N.Vrláková, J.Wan, J.Wang, C.Wang, D.Wang, Y.Wang, Y.Wang, Z.Wegrzynek, A.Weiglhofer, F.T.Wenzel, S.C.Wessels, J.P.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G.A.Windelband, B.Winn, M.Wright, J.R.Wu, W.Wu, Y.Xiong, Z.Xu, R.Yadav, A.Yadav, A.K.Yamaguchi, Y.Yang, S.Yano, S.Yeats, E.R.Yin, Z.Yoo, I.-K.Yoon, J.H.Yu, H.Yuan, S.Yuncu, A.Zaccolo, V.Zampolli, C.Zanone, F.Zardoshti, N.Zarochentsev, A.Závada, P.Zaviyalov, N.Zhalov, M.Zhang, B.Zhang, C.Zhang, L.Zhang, M.Zhang, M.Zhang, S.Zhang, X.Zhang, Y.Zhang, Z.Zhao, M.Zherebchevskii, V.Zhi, Y.Zhou, D.Zhou, Y.Zhu, J.Zhu, S.Zhu, Y.Zugravel, S.C.Zurlo, N.
DOI
10.1103/PhysRevLett.134.162301
발행일
2025-04
유형
Article
저널명
Physical Review Letters
134
16