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Proton emission in ultraperipheral Pb-Pb collisions at TeV

Academic Article
Publication Date:
2025
Abstract:
The first measurements of proton emission accompanied by neutron emission in the electromagnetic dissociation (EMD) of Pb208 nuclei in the ALICE experiment at the Large Hadron Collider are presented. The EMD protons and neutrons emitted at very forward rapidities are detected by the proton and neutron zero degree calorimeters of the ALICE experiment. The emission cross sections of zero, one, two, and three protons accompanied by at least one neutron were measured in ultraperipheral Pb208-Pb208 collisions at a center-of-mass energy per nucleon pair sNN=5.02TeV. The 0p and 3p cross sections are described by the RELDIS model within their measurement uncertainties, while the 1p and 2p cross sections are underestimated by the model by 17-25%. According to this model, these 0p, 1p, 2p, and 3p cross sections are associated, respectively, with the production of various isotopes of Pb, Tl, Hg, and Au in the EMD of Pb208. The cross sections of the emission of a single proton accompanied by the emission of one, two, or three neutrons in EMD were also measured. The data are significantly overestimated by the RELDIS model, which predicts that the (1p,1n), (1p,2n), and (1p,3n) cross sections are very similar to the cross sections for the production of the thallium isotopes Tl206,205,204.
CRIS type:
1.1 Articolo in rivista
List of contributors:
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.; Appelsh??user, 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.; Badal??, A.; Bae, J.; Bae, Y.; Baek, Y. W.; Bai, X.; Bailhache, R.; Bailung, Y.; Bala, R.; Baldisseri, A.; Balis, B.; Banoo, Z.; Barbasova, V.; Barile, F.; Barioglio, L.; Barlou, M.; Barman, B.; Barnaf??ldi, 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.; Biel????k, J.; Biel????kov??, J.; Bigot, A. P.; Bilandzic, A.; Binoy, A.; Biro, G.; Biswas, S.; Bize, N.; Blair, J. T.; Blau, D.; Blidaru, M. B.; Bluhme, N.; Blume, C.; Bock, F.; Bodova, T.; Bok, J.; Boldizs??r, L.; Bombara, M.; Bond, P. M.; Bonomi, G.; Borel, H.; Borissov, A.; Borquez Carcamo, A. G.; Botta, E.; Bouziani, Y. E. M.; Brandibur, D. C.; 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.; 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.; Chen, M.; Cheng, T.; Cheshkov, C.; Chiappara, D.; Chibante Barroso, V.; Chinellato, D. D.; Chizzali, E. S.; Cho, J.; Cho, S.; Chochula, P.; Chochulska, Z. A.; Choudhury, D.; Choudhury, S.; Christakoglou, P.; Christensen, C. H.; Christiansen, P.; Chujo, T.; Ciacco, M.; Cicalo, C.; Cindolo, F.; Ciupek, M. R.; Clai, G.; Colamaria, F.; Colburn, J. S.; Colella, D.; Colelli, A.; Colocci, M.; Concas, M.; Conesa Balbastre, G.; Conesa Del Valle, Z.; Contin, G.; Contreras, J. G.; Coquet, M. L.; Cortese, P.; Cosentino, M. R.; Costa, F.; Costanza, S.; 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.; De Souza, G. G. A.; Dhankher, P.; Di Bari, D.; Di Mauro, A.; Di Ruzza, B.; Diab, B.; Diaz, R. A.; Ding, Y.; Ditzel, J.; Divi??, R.; Djuvsland, ??.; Dmitrieva, U.; Dobrin, A.; D??nigus, 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.; Feofilov, G.; Fern??ndez T??llez, 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,
Authors of the University:
BONOMI Germano
DEB ROHAAN
LEA Ramona
PAGANO Davide
ZURLO Nicola
Handle:
https://iris.unibs.it/handle/11379/628220
Full Text:
https://iris.unibs.it/retrieve/handle/11379/628220/359339/PhysRevC.111.054906.pdf
Published in:
PHYSICAL REVIEW. C
Journal
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