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  1. Pubblicazioni

Measurements of Groomed-Jet Substructure of Charm Jets Tagged by D^{0} Mesons in Proton-Proton Collisions at sqrt[s]=13  TeV

Articolo
Data di Pubblicazione:
2023
Abstract:
Understanding the role of parton mass and Casimir color factors in the quantum chromodynamics parton shower represents an important step in characterizing the emission properties of heavy quarks. Recent experimental advances in jet substructure techniques have provided the opportunity to isolate and characterize gluon emissions from heavy quarks. In this Letter, the first direct experimental constraint on the charm-quark splitting function is presented, obtained via the measurement of the groomed shared momentum fraction of the first splitting in charm jets, tagged by a reconstructed D^{0} meson. The measurement is made in proton-proton collisions at sqrt[s]=13  TeV, in the low jet transverse-momentum interval of 15≤p_{T}^{jet ch}<30  GeV/c where the emission properties are sensitive to parton mass effects. In addition, the opening angle of the first perturbative emission of the charm quark, as well as the number of perturbative emissions it undergoes, is reported. Comparisons to measurements of an inclusive-jet sample show a steeper splitting function for charm quarks compared with gluons and light quarks. Charm quarks also undergo fewer perturbative emissions in the parton shower, with a reduced probability of large-angle emissions.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
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; Alizadehvandchali, N; Alkin, A; Alme, J; Alocco, G; Alt, T; Altsybeev, I; Anaam, M N; Andrei, C; Andronic, A; Anguelov, V; Antinori, F; Antonioli, P; Anuj, C; Apadula, N; Aphecetche, L; Appelshäuser, H; Arata, C; Arcelli, S; Aresti, M; Arnaldi, R; Arsene, I C; Arslandok, M; Augustinus, A; Averbeck, R; Azmi, M D; Badalà, A; Baek, Y W; Bai, X; Bailhache, R; Bailung, Y; Bala, R; Balbino, A; Baldisseri, A; Balis, B; Banerjee, D; Banoo, Z; Barbera, R; Barile, F; Barioglio, L; Barlou, M; Barnaföldi, G G; Barnby, L S; Barret, V; Barreto, L; Bartels, C; Barth, K; Bartsch, E; Baruffaldi, F; 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; 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, M A; Bhattacharjee, B; Bianchi, L; Bianchi, N; Bielčík, J; Bielčíková, J; Biernat, 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; 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; Bouziani, Y E M; 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; Camerini, P; Canedo, F D M; Carabas, M; Carnesecchi, F; Caron, R; Castillo Castellanos, J; Catalano, F; Ceballos Sanchez, C; Chakaberia, I; Chakraborty, P; Chandra, S; Chapeland, S; Chartier, M; Chattopadhyay, S; Chattopadhyay, S; Chavez, T G; Cheng, T; Cheshkov, C; Cheynis, B; Chibante Barroso, V; Chinellato, D D; Chizzali, E S; Cho, J; Cho, S; Chochula, P; Christakoglou, P; Christensen, C H; Christiansen, P; Chujo, T; Ciacco, M; Cicalo, C; Cifarelli, L; Cindolo, F; Ciupek, M R; Clai, G; Colamaria, F; Colburn, J S; Colella, D; 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; Crkovská, J; Crochet, P; Cruz-Torres, R; Cuautle, E; Cui, P; Cunqueiro, L; Dainese, A; Danisch, M C; Danu, A; Das, P; Das, P; Das, S; Dash, A R; Dash, S; David, R M H; 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, S; Debski, R J; Deja, K R; Del Grande, R; Dello Stritto, L; 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; Dobrin, A; Dönigus, B; Dubey, A K; Dubinski, J M; Dubla, A; Dudi, S; Dupieux, P; Durkac, M; Dzalaiova, N; Eder, T M; Ehlers, R J; Eikeland, V N; Eisenhut, F; Elia, D; Erazmus, B; Ercolessi, F; Erhardt, F; Ersdal, M R; Espagnon, B; Eulisse, G; Evans, D; Evdokimov, S; Fabbietti, L; Faggin, M; Faivre, J; Fan, F; Fan, W; Fantoni, A; Fasel, M; Fecchio, P; Feliciello, A; Feofilov, G; Fernández Téllez, A; Ferrer, M B; Ferrero, A; Ferrero, C; Ferretti, A; Feuillard, V J G; Filova, V; Finogeev, D; Fionda, F M; Flor, F; Flores, A N; Foertsch, S; Fokin, I; Fokin, S; Fragiacomo, E; Frajna, E; Fuchs, U; Funicello, N; Furget, C; Furs, A; Fusayasu, T; Gaardhøje, J J; Gagliardi, M; Gago, A M; Galvan, C D; Gangadharan, D R; Ganoti, P; Garabatos, C; Garcia, J R A; Garcia-Solis, E; Garg, K; Gargiulo, C; Garibli, A; Garner, K; Gautam, A; Gay Ducati, M B; Germain, M; Ghosh, C; Ghosh, S K; Giacalone, M; Gianotti, P; Giubellino, P; Giubilato, P; Glaenzer, A M C; Glässel, P; Glimo
Autori di Ateneo:
ALOCCO GIACOMO
BEOLE' Stefania Maria
BIANCHI Livio
BOTTA Elena
FERRETTI Alessandro
GAGLIARDI Martino
MASERA Massimo
TROGOLO Stefano
VERCELLIN Ermanno
Link alla scheda completa:
https://iris.unito.it/handle/2318/1945715
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1945715/1214127/PhysRevLett.131.192301.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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Aree Di Ricerca

Settori (2)


PE2_6 - Nuclear, hadron and heavy ion physics - (2022)

SCIENZE MATEMATICHE, CHIMICHE, FISICHE - Cosmologia e Universo
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