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The study of nuclei and antinuclei production has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. The first measurement of the production of H-3(Lambda) in p-Pb collisions at root S-NN = 5.02 TeV is presented in this Letter. Its production yield measured in the rapidity interval -1 < y <0 for the 40% highest-multiplicity p-Pb collisions is dN/dy = [6.3 +/- 1.8(stat) +/- 1.2(syst)] x 10(-7). The measurement is compared with the expectations of statistical hadronization and coalescence models, which describe the nucleosynthesis in hadronic collisions. These two models predict very different yields of the hypertriton in charged particle multiplicity environments relevant to small collision systems such as p-Pb, and therefore the measurement of dN/dy is crucial to distinguish between them. The precision of this measurement leads to the exclusion with a significance larger than 6.9 sigma of some configurations of the statistical hadronization model, thus constraining the theory behind the production of loosely bound states at hadron colliders.
Hypertriton Production in p-Pb Collisions at sqrt[s_{NN}]=5.02 TeV / Acharya, S; Adamová, D; Adler, A; Aglieri Rinella, G; Agnello, M; Agrawal, N; Ahammed, Z; Ahmad, S; Ahn, S U; Ahuja, I; Akbar, Z; Akindinov, A; Al-Turany, M; Alam, S N; Aleksandrov, D; Alessandro, B; Alfanda, H M; Alfaro Molina, R; Ali, B; Ali, Y; Alici, A; Alizadehvandchali, N; Alkin, A; Alme, J; Alt, T; Altenkamper, L; Altsybeev, I; Anaam, M N; Andrei, C; Andreou, D; Andronic, A; Angeletti, M; Anguelov, V; Antinori, F; Antonioli, P; Anuj, C; Apadula, N; Aphecetche, L; Appelshäuser, H; Arcelli, S; Arnaldi, R; Arsene, I C; Arslandok, M; Augustinus, A; Averbeck, R; Aziz, S; Azmi, M D; Badalà, A; Baek, Y W; Bai, X; Bailhache, R; Bailung, Y; Bala, R; Balbino, A; Baldisseri, A; Balis, B; Ball, M; Banerjee, D; Barbera, R; Barioglio, L; Barlou, M; Barnaföldi, G G; Barnby, L S; Barret, V; Bartels, C; Barth, K; Bartsch, E; Baruffaldi, F; Bastid, N; Basu, S; Batigne, G; Batyunya, B; Bauri, D; Bazo Alba, J L; Bearden, I G; Beattie, C; Belikov, I; Bell Hechavarria, A D C; Bellini, F; Bellwied, R; Belokurova, S; Belyaev, V; Bencedi, G; Beole, S; Bercuci, A; Berdnikov, Y; Berdnikova, A; Bergmann, L; Besoiu, M G; Betev, L; Bhaduri, P P; Bhasin, A; Bhat, I R; Bhat, M A; Bhattacharjee, B; Bhattacharya, P; Bianchi, L; Bianchi, N; Bielčík, J; Bielčíková, J; Biernat, J; Bilandzic, A; Biro, G; Biswas, S; Blair, J T; Blau, D; Blidaru, M B; Blume, C; Boca, G; Bock, F; Bogdanov, A; Boi, S; Bok, J; Boldizsár, L; Bolozdynya, A; Bombara, M; Bond, P M; Bonomi, G; Borel, H; Borissov, A; Bossi, H; Botta, E; Bratrud, L; Braun-Munzinger, P; Bregant, M; Broz, M; Bruno, G E; Buckland, M D; Budnikov, D; Buesching, H; Bufalino, S; Bugnon, O; Buhler, P; Buthelezi, Z; Butt, J B; Bysiak, S A; Cai, M; Caines, H; Caliva, A; Calvo Villar, E; Camacho, J M M; Camacho, R S; Camerini, P; Canedo, F D M; Carnesecchi, F; Caron, R; Castillo Castellanos, J; Casula, E A R; Catalano, F; Ceballos Sanchez, C; Chakraborty, P; Chandra, S; Chapeland, S; Chartier, M; Chattopadhyay, S; Chattopadhyay, S; Chauvin, A; Chavez, T G; Cheng, T; Cheshkov, C; Cheynis, B; Chibante Barroso, V; Chinellato, D D; Cho, S; Chochula, P; Christakoglou, P; Christensen, C H; Christiansen, P; Chujo, T; Cicalo, C; Cifarelli, L; Cindolo, F; Ciupek, M R; Clai, G; Cleymans, J; Colamaria, F; Colburn, J S; Colella, D; Collu, A; Colocci, M; Concas, M; Conesa Balbastre, G; Conesa Del Valle, Z; Contin, G; Contreras, J G; Coquet, M L; Cormier, T M; Cortese, P; Cosentino, M R; Costa, F; Costanza, S; Crochet, P; Cruz-Torres, R; Cuautle, E; Cui, P; Cunqueiro, L; Dainese, A; Danisch, M C; Danu, A; Das, I; Das, P; Das, P; Das, S; Dash, S; De, S; De Caro, A; de Cataldo, G; De Cilladi, L; de Cuveland, J; De Falco, A; De Gruttola, D; De Marco, N; De Martin, C; De Pasquale, S; Deb, S; Degenhardt, H F; Deja, K R; Dello Stritto, L; Delsanto, S; Deng, W; Dhankher, P; Di Bari, D; Di Mauro, A; Diaz, R A; Dietel, T; Ding, Y; Divià, R; Dixit, D U; Djuvsland, Ø; Dmitrieva, U; Do, J; Dobrin, A; Dönigus, B; 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[10.1103/PhysRevLett.128.252003]
Hypertriton Production in p-Pb Collisions at sqrt[s_{NN}]=5.02 TeV
Acharya, S;Adamová, D;Adler, A;Aglieri Rinella, G;Agnello, M;Agrawal, N;Ahammed, Z;Ahmad, S;Ahn, S U;Ahuja, I;Akbar, Z;Akindinov, A;Al-Turany, M;Alam, S N;Aleksandrov, D;Alessandro, B;Alfanda, H M;Alfaro Molina, R;Ali, B;Ali, Y;Alici, A;Alizadehvandchali, N;Alkin, A;Alme, J;Alt, T;Altenkamper, L;Altsybeev, I;Anaam, M N;Andrei, C;Andreou, D;Andronic, A;Angeletti, M;Anguelov, V;Antinori, F;Antonioli, P;Anuj, C;Apadula, N;Aphecetche, L;Appelshäuser, H;Arcelli, S;Arnaldi, R;Arsene, I C;Arslandok, M;Augustinus, A;Averbeck, R;Aziz, S;Azmi, M D;Badalà, A;Baek, Y W;Bai, X;Bailhache, R;Bailung, Y;Bala, R;Balbino, A;Baldisseri, A;Balis, B;Ball, M;Banerjee, D;Barbera, R;Barioglio, L;Barlou, M;Barnaföldi, G G;Barnby, L S;Barret, V;Bartels, C;Barth, K;Bartsch, E;Baruffaldi, F;Bastid, N;Basu, S;Batigne, G;Batyunya, B;Bauri, D;Bazo Alba, J L;Bearden, I G;Beattie, C;Belikov, I;Bell Hechavarria, A D C;Bellini, F;Bellwied, R;Belokurova, S;Belyaev, V;Bencedi, G;Beole, S;Bercuci, A;Berdnikov, Y;Berdnikova, A;Bergmann, L;Besoiu, M G;Betev, L;Bhaduri, P P;Bhasin, A;Bhat, I R;Bhat, M A;Bhattacharjee, B;Bhattacharya, P;Bianchi, L;Bianchi, N;Bielčík, J;Bielčíková, J;Biernat, J;Bilandzic, A;Biro, G;Biswas, S;Blair, J T;Blau, D;Blidaru, M B;Blume, C;Boca, G;Bock, F;Bogdanov, A;Boi, S;Bok, J;Boldizsár, L;Bolozdynya, A;Bombara, M;Bond, P M;Bonomi, G;Borel, H;Borissov, A;Bossi, H;Botta, E;Bratrud, L;Braun-Munzinger, P;Bregant, M;Broz, M;Bruno, G E;Buckland, M D;Budnikov, D;Buesching, H;Bufalino, S;Bugnon, O;Buhler, P;Buthelezi, Z;Butt, J B;Bysiak, S A;Cai, M;Caines, H;Caliva, A;Calvo Villar, E;Camacho, J M M;Camacho, R S;Camerini, P;Canedo, F D M;Carnesecchi, F;Caron, R;Castillo Castellanos, J;Casula, E A R;Catalano, F;Ceballos Sanchez, C;Chakraborty, P;Chandra, S;Chapeland, S;Chartier, M;Chattopadhyay, S;Chattopadhyay, S;Chauvin, A;Chavez, T G;Cheng, T;Cheshkov, C;Cheynis, B;Chibante Barroso, V;Chinellato, D D;Cho, S;Chochula, P;Christakoglou, P;Christensen, C H;Christiansen, 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2022-01-01
Abstract
The study of nuclei and antinuclei production has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. The first measurement of the production of H-3(Lambda) in p-Pb collisions at root S-NN = 5.02 TeV is presented in this Letter. Its production yield measured in the rapidity interval -1 < y <0 for the 40% highest-multiplicity p-Pb collisions is dN/dy = [6.3 +/- 1.8(stat) +/- 1.2(syst)] x 10(-7). The measurement is compared with the expectations of statistical hadronization and coalescence models, which describe the nucleosynthesis in hadronic collisions. These two models predict very different yields of the hypertriton in charged particle multiplicity environments relevant to small collision systems such as p-Pb, and therefore the measurement of dN/dy is crucial to distinguish between them. The precision of this measurement leads to the exclusion with a significance larger than 6.9 sigma of some configurations of the statistical hadronization model, thus constraining the theory behind the production of loosely bound states at hadron colliders.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/262946
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.