Measurement of the Lund plane for light- and beauty-quark jets

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Aaij, R, Abdelmotteleb, ASW, Beteta, C Abellan, Abudinen, F, Ackernley, T, Adefisoye, AA, Adeva, B, Adinolfi, M, Adlarson, P, Agapopoulou, C et al (show 1129 more authors) , Aidala, CA, Ajaltouni, Z, Akar, S, Akiba, K, Albicocco, P, Albrecht, J, Alessio, F, Aliouche, Z, Cartelle, P Alvarez, Amalric, R, Amato, S, An, L, Andreola, P, Andreotti, M, Anelli, A, Ao, D, Archilli, F, Areg, Z, Argenton, M, Arguedas Cuendis, S, Artamonov, A, Artuso, M, Aslanides, E, Da Silva, R Ataide, Atzeni, M, Audurier, B, Authier, JA, Bacher, D, Perea, I Bachiller, Bachmann, S, Bachmayer, M, Back, JJ, Baladron Rodriguez, P, Balagura, V, Balboni, A, Baldini, W, Balzani, L, Bao, H, Leite, J Baptista de Souza, Barbero Pretel, C, Barbetti, M, Barbosa, IR, Barlow, RJ, Barnyakov, M, Barsuk, S, Barter, W, Bartz, J, Bashir, S, Batsukh, B, Battista, PB, Bay, A, Beck, A, Becker, M, Bedeschi, F, Bediaga, IB, Behling, NA, Belin, S, Belous, K, Belov, I, Belyaev, I, Benane, G, Bencivenni, G, Ben-Haim, E, Berezhnoy, A, Bernet, R, Bernet Andres, S, Bertolin, A, Betancourt, C, Betti, F, Bex, J, Bezshyiko, Ia, Bezshyyko, O, Bhom, J, Bieker, MS, Biesuz, NV, Billoir, P, Biolchini, A, Birch, M, Bishop, FCR, Bitadze, A, Bizzeti, A, Blake, T, Blanc, F, Blank, JE, Blusk, S, Bocharnikov, V, Boelhauve, JA, Garcia, O Boente, Boettcher, T, Bohare, A, Boldyrev, A, Bolognani, CS, Bolzonella, R, Bonacci, RB, Bondar, N, Bordelius, A, Borgato, F, Borghi, S, Borsato, M, Borsuk, JT, Bottalico, E ORCID: 0000-0003-2238-8803, Bouchiba, SA, Bovill, M, Bowcock, TJV ORCID: 0000-0002-3505-6915, Boyer, A, Bozzi, C, Brandenburg, JD, Rodriguez, A Brea, Breer, N, Brodzicka, J, Brossa Gonzalo, A, Brown, J, Brundu, D, Buchanan, E, Buonincontri, L, Marcos, M Burgos, Burke, AT, Burr, C, Butter, JS, Buytaert, J, Byczynski, W, Cadeddu, S, Cai, H, Cai, Y, Caillet, A, Calabrese, R, Calderon Ramirez, S, Calefice, L, Cali, S, Calvi, M, Calvo Gomez, M, Camargo Magalhaes, P, Cambon Bouzas, JI, Campana, P, Perez, DH Campora, Quezada, AF Campoverde, Capelli, S, Capriotti, L, Caravaca-Mora, R, Carbone, A, Carcedo Salgado, L, Cardinale, R, Cardini, A, Carniti, P, Carus, L, Vidal, A Casais, Caspary, R, Casse, G ORCID: 0000-0002-8516-237X, Cattaneo, M, Cavallero, G, Cavallini, V, Celani, S, Cesare, S, Chadwick, AJ, Chahrour, I, Chang, H, Charles, M, Charpentier, Ph, Chatzianagnostou, E, Chefdeville, M, Chen, C, Chen, J, Chen, S, Chen, Z, Chernov, A, Chernyshenko, S, Chiotopoulos, X, Chobanova, V, Chrzaszcz, M, Chubykin, A, Chulikov, V, Ciambrone, P, Cid Vidal, X, Ciezarek, G, Cifra, P, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Toapaxi, C Cocha, Coco, V, Cogan, J, Cogneras, E, Cojocariu, L, Collaviti, S, Collins, P, Colombo, T, Colonna, M, Comerma-Montells, A, Congedo, L, Contu, A, Cooke, N, Coronel, C, Corredoira, I, Correia, A, Corti, G, Meldrum, JJ Cottee, Couturier, B, Craik, DC, Torres, M Cruz, Rivera, E Curras, Currie, R, Da Silva, CL, Dadabaev, S, Dai, L, Dai, X, Dall'Occo, E, Dalseno, J, D'Ambrosio, C, Daniel, J, d'Argent, P, Darze, G, Davidson, A, Davies, JE, Francisco, O De Aguiar, De Angelis, C, De Benedetti, F, de Boer, J, De Bruyn, K, De Capua, S, De Cian, M, De Freitas Carneiro Da Graca, U, De Lucia, E, De Miranda, JM, De Paula, L, De Serio, M, De Simone, P, De Vellis, F, de Vries, JA, Debernardis, F, Decamp, D, Dekkers, S, Del Buono, L, Delaney, B, Dembinski, H-P, Deng, J, Denysenko, V, Deschamps, O, Dettori, F, Dey, B, Di Nezza, P, Diachkov, I, Didenko, S, Ding, S, Ding, Y, Dittmann, L, Dobishuk, V, Docheva, AD, Dong, C, Donohoe, AM, Dordei, F, dos Reis, AC, Dowling, AD, Duan, W, Duda, P, Dudek, MW, Dufour, L, Duk, V, Durante, P, Duras, MM, Durham, JM, Durmus, OD, Dziurda, A, Dzyuba, A, Easo, S, Eckstein, E, Egede, U, Egorychev, A, Egorychev, V, Eisenhardt, S, Ejopu, E ORCID: 0000-0003-3711-7547, Eklund, L, Elashri, M, Ellbracht, J, Ely, S, Ene, A, Eschle, J, Esen, S, Evans, T, Fabiano, F, Faghih, S, Falcao, LN, Fang, B, Fantechi, R, Fantini, L, Faria, M, Farmer, K, Fazzini, D, Felkowski, L, Feng, M, Feo, M, Fernandez Casani, A, Fernandez Gomez, M, Fernez, AD, Ferrari, F, Ferreira Rodrigues, F, Ferrillo, M, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiorini, M, Firlej, M, Fischer, KL, Fitzgerald, DS, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fomin, A, Fontana, M, Foreman, LA, Forty, R, Foulds-Holt, D, Franco Lima, V, Sevilla, M Franco, Frank, M, Franzoso, E, Frau, G, Frei, C, Friday, DA, Fu, J, Fuehring, Q, Fujii, Y, Fulghesu, T, Galati, G, Galati, MD, Gallas Torreira, A, Galli, D, Gambetta, S, Gandelman, M, Gandini, P, Ganie, B, Gao, H, Gao, R, Gao, TQ, Gao, Y, Martin, LM Garcia, Garcia Moreno, P, Pardinas, J Garcia, Gardner, P, Garg, KG, Garrido, L, Gaspar, C, Gavrikov, A, Gerken, LL, Gersabeck, E, Gersabeck, M, Gershon, T, Ghizzo, S, Ghorbanimoghaddam, Z, Giambastiani, L, Giasemis, FI, Gibson, V, Giemza, HK, Gilman, AL, Giovannetti, M, Gioventu, A, Girardey, L, Giza, MA, Glaser, FC, Gligorov, VV, Gobel, C, Golinka-Bezshyyko, L, Golobardes, E, Golubkov, D, Golutvin, A, Gomez Fernandez, S, Gomulka, W, Vaz, I Goncales, Abrantes, F Goncalves, Goncerz, M, Gong, G, Gooding, JA, Gorelov, IV, Gotti, C, Govorkova, E, Grabowski, JP, Cardoso, LA Granado, Grauges, E, Graverini, E, Grazette, L, Graziani, G, Grecu, AT, Greeven, LM, Grieser, NA, Grillo, L, Gromov, S, Gu, C, Guarise, M, Guerry, L, Guliaeva, V, Guenther, PA, Guseinov, A-K, Gushchin, E, Guz, Y, Gys, T, Habermann, K, Hadavizadeh, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Hallett, G, Hamilton, PM, Hammerich, J, Han, Q, Han, X, Hansmann-Menzemer, S, Hao, L, Harnew, N, Harris, TH, Hartmann, M, Hashmi, S, He, J, Hemmer, F, Henderson, C, Henderson, RDL, Hennequin, AM, Hennessy, K ORCID: 0000-0002-1529-8087, Henry, L, Herd, J, Gascon, P Herrero, Heuel, J, Hicheur, A, Mendizabal, G Hijano, Horswill, J, Hou, R, Hou, Y, Howarth, N, Hu, J, Hu, W, Hu, X, Hulsbergen, W, Hunter, RJ, Hushchyn, M, Hutchcroft, D ORCID: 0000-0002-4174-6509, Idzik, M, Ilin, D, Ilten, P, Iniukhin, A, Ishteev, A, Ivshin, K, Jage, H, Elles, SJ Jaimes, Jakobsen, S, Jans, E, Jashal, BK, Jawahery, A, Jevtic, V, Jiang, E, Jiang, X, Jiang, Y, Jiang, YJ, John, M, Rajan, A John Rubesh, Johnson, D, Jones, CR, Jones, TP, Joshi, S, Jost, B, Castella, J Juan, Jurik, N, Juszczak, I, Kaminaris, D, Kandybei, S, Kane, M, Kang, Y, Kar, C, Karacson, M, Karpenkov, D, Kauniskangas, A, Kautz, JW, Kazanecki, MK, Keizer, F, Kenzie, M, Ketel, T, Khanji, B, Kharisova, A, Kholodenko, S, Khreich, G, Kirn, T, Kirsebom, VS, Kitouni, O, Klaver, S, Kleijne, N, Klimaszewski, K, Kmiec, MR, Koliiev, S, Kolk, L, Konoplyannikov, A, Kopciewicz, P, Koppenburg, P, Korchin, A, Korolev, M, Kostiuk, I, Kot, O, Kotriakhova, S, Kowalczyk, E, Kozachuk, A, Kravchenko, P, Kravchuk, L, Kreps, M, Krokovny, P, Krupa, W, Krzemien, W, Kshyvanskyi, O, Kubis, S, Kucharczyk, M, Kudryavtsev, V, Kulikova, E, Kupsc, A, Kushnir, V, Kutsenko, B, Kyryllin, I, Lacarrere, D, Laguarta Gonzalez, P, Lai, A, Lampis, A, Lancierini, D, Landesa Gomez, C, Lane, JJ, 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R, Marconi, U, Mariani, E, Mariani, S, Marin Benito, C, Marks, J, Marshall, AM, Martel, L, Martelli, G, Martellotti, G, Martinazzoli, L, Martinelli, M, Gomez, D Martinez, Martinez Santos, D, Martinez Vidal, F, Martorell i Granollers, A, Massafferri, A, Matev, R, Mathad, A, Matiunin, V, Matteuzzi, C, Mattioli, KR, Mauri, A, Maurice, E, Mauricio, J, Mayencourt, P, Mazorra de Cos, J, Mazurek, M, McCann, M, McGrath, TH, McHugh, NT, McNab, A, McNulty, R, Meadows, B, Meier, G, Melnychuk, D, Meng, FM, Merk, M, Merli, A, Garcia, L Meyer, Miao, D, Miao, H, Mikhasenko, M, Milanes, DA, Minotti, A, Minucci, E, Miralles, T, Mitreska, B, Mitzel, DS, Modak, A, Moeser, L, Mohammed, RA, Moise, RD, Cardenas, EF Molina, Mombacher, T, Monk, M, Monteil, S, Morcillo Gomez, A, Morello, G, Morello, MJ, Morgenthaler, MP, Moron, J, Morren, W, Morris, AB, Morris, AG, Mountain, R, Mu, H, Mu, ZM, Muhammad, E, Muheim, F, Mulder, M, Mueller, K, Munoz-Rojas, F, Murta, R, Mytrochenko, V, Naik, P ORCID: 0000-0001-6977-2971, Nakada, T, Nandakumar, R, Nanut, T, Nasteva, I, Needham, M, Nekrasova, E, Neri, N, Neubert, S, Neufeld, N, Neustroev, P, Nicolini, J, Nicotra, D, Niel, EM, Nikitin, N, Niu, Q, Nogarolli, P, Nogga, P, Normand, C, Novoa Fernandez, J, Nowak, G, Nunez, C, Nur, HN, Oblakowska-Mucha, A, Obraztsov, V, Oeser, T, Okhotnikov, A, Okhrimenko, O, Oldeman, R, Oliva, F, Olocco, M, Onderwater, CJG, O'Neil, RH, Osthues, D, Otalora Goicochea, JM, Owen, P, Oyanguren, A, Ozcelik, O, Paciolla, F, Padee, A, Padeken, KO, Pagare, B, Pajero, T, Palano, A, Palutan, M, Pan, C, Pan, X, Panebianco, S, Panshin, G, Paolucci, L, Papanestis, A, Pappagallo, M, Pappalardo, LL, Pappenheimer, C, Parkes, C, Parmar, D, Passalacqua, B, Passaleva, G, Passaro, D, Pastore, A, Patel, M, Patoc, J, Patrignani, C, Paul, A, Pawley, CJ, Pellegrino, A, Peng, J, Peng, X, Altarelli, M Pepe, Perazzini, S, Pereima, D, Da Costa, H Pereira, Castro, A Pereiro, Perez, C, Perret, P, Perrevoort, A, Perro, A, Peters, MJ, Petridis, K, Petrolini, A, Pfaller, JP, Pham, H, Pica, L, Piccini, M, Piccolo, L, Pietrzyk, B, Pietrzyk, G, Pilato, RN ORCID: 0000-0002-4325-7530, Pinci, D, Pisani, F, Pizzichemi, M, Placinta, VM, Plo Casasus, M, Poeschl, T, Polci, F, Lener, M Poli, Poluektov, A, Polukhina, N, Polyakov, I, Polycarpo, E, Ponce, S, Popov, D, Poslavskii, S, Prasanth, K, Prouve, C, Provenzano, D, Pugatch, V, Punzi, G, Qasim, S, Qian, QQ, Qian, W, Qin, N, Qu, S, Quagliani, R, Trejo, RI Rabadan, Rademacker, JH, Rama, M, Garcia, M Ramirez, Ramos De Oliveira, V, Pernas, M Ramos, Rangel, MS, Ratnikov, F, Raven, G, De Miguel, M Rebollo, Redi, F, Reich, J, Reiss, F, Ren, Z, Resmi, PK, Galvez, M Ribalda, Ribatti, R, Ricart, GR, Riccardi, D, Ricciardi, S, Richardson, K, Richardson-Slipper, M, Rinnert, K, Robbe, P, Robertson, G, Rodrigues, E, Rodriguez Alvarez, A, Rodriguez Fernandez, E, Rodriguez Lopez, JA, Rodriguez, E Rodriguez, Roensch, J, Rogachev, A, Rogovskiy, A, Rolf, DL, Roloff, P, Romanovskiy, V, Romero Vidal, A, Romolini, G, Ronchetti, F, Rong, T, Rotondo, M, Roy, SR, Rudolph, MS, Diaz, M Ruiz, Ruiz Fernandez, RA, Vidal, J Ruiz, Saavedra-Arias, JJ, Saborido Silva, JJ, Sadek, R, Sagidova, N, Sahoo, D, Sahoo, N, Saitta, B, Salomoni, M, Sanderswood, I, Santacesaria, R, Santamarina Rios, C, Santimaria, M, Santoro, L, Santovetti, E, Saputi, A, Saranin, D, Sarnatskiy, A, Sarpis, G, Sarpis, M, Satriano, C, Satta, A, Saur, M, Savrina, D, Sazak, H, Sborzacchi, F, Scarabotto, A, Schael, S, Scherl, S, Schiller, M, Schindler, H, Schmelling, M, Schmidt, B, Schmitt, S, Schmitz, H, Schneider, O, Schopper, A, Schulte, N, Schune, MH, Schwering, G, Sciascia, B, Sciuccati, A, Segal, I, Sellam, S, Semennikov, A, Senger, T, Soares, M Senghi, Sergi, A, Serra, N, Sestini, L, Seuthe, A, Sanjuan, B Sevilla, Shang, Y, Shangase, DM, Shapkin, M, Sharma, RS, Shchemerov, I, Shchutska, L, Shears, T ORCID: 0000-0002-2653-1366, Shekhtman, L, Shen, Z, Sheng, S, Shevchenko, V, Shi, B, Shi, Q, Shi, WS, Shimizu, Y, Shmanin, E, Shorkin, R, Shupperd, JD, Coutinho, R Silva, Simi, G, Simone, S, Singha, M, Skidmore, N, Skwarnicki, T, Slater, MW, Smith, E, Smith, K, Smith, M, Lavra, L Soares, Sokoloff, MD, Soler, FJP, Solomin, A, Solovev, A, Sommerfeld, NS, Song, R, Song, Y, Song, YS, De Almeida, FL Souza, Souza De Paula, B, Norella, E Spadaro, Spedicato, E, Speer, JG, Spiridenkov, E, Spradlin, P, Sriskaran, V, Stagni, F, Stahl, M, Stahl, S, Stanislaus, S, Stefaniak, M, Stein, EN, Steinkamp, O, Stevens, H, Strekalina, D, Su, Y, Suljik, F, Sun, J, Sun, L, Sundfeld, D, Sutcliffe, W, Swientek, K, Swystun, F, Szabelski, A, Szumlak, T, Tan, Y, Tang, Y, Tang, YT, Tat, MD, Terentev, A, Terzuoli, F, Teubert, F, Thomas, E, Thompson, DJD, Thomson-Strong, AR, Tilquin, H, Tisserand, V, T'Jampens, S, Tobin, M, Tomassetti, L, Tonani, G, Tong, X, Tork, T, Torres Machado, D, Toscano, L, Tou, DY, Trippl, C, Tuci, G, Tuning, N, Uecker, LH, Ukleja, A, Unverzagt, DJ, Upadhyay, A, Urbach, B, Usachov, A, Ustyuzhanin, A, 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G, Wotton, SA, Wu, H, Wu, J, Wu, X, Wu, Y, Wu, Z, Wyllie, K, Xian, S, Xiang, Z, Xie, Y, Xing, TX, Xu, A, Xu, L, Xu, M, Xu, Z, Yang, K, Yang, X, Yang, Y, Yang, Z, Yeroshenko, V, Yeung, H, Yin, H, Yin, X, Yu, CY, Yu, J, Yuan, X, Yuan, Y, Zaffaroni, E, Zavertyaev, M, Zdybal, M, Zenesini, F, Zeng, C, Zeng, M, Zhang, C, Zhang, D, Zhang, J, Zhang, L, Zhang, R, Zhang, S, Zhang, Y, Zhang, YZ, Zhang, Z, Zhao, Y, Zhelezov, A, Zheng, SZ, Zheng, XZ, Zheng, Y, Zhou, T, Zhou, X, Zhou, Y, Zhovkovska, V, Zhu, LZ, Zhu, X, Zhu, Y, Zhukov, V, Zhuo, J, Zou, Q, Zuliani, D, Zunica, G, Amey, JL, Amhis, Y, Anderlini, L and Andersson, M (2025) Measurement of the Lund plane for light- and beauty-quark jets PHYSICAL REVIEW D, 112 (7). pp. 1-22. ISSN 2470-0010, 2470-0029

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Abstract

The substructure of jets in quantum chromodynamics (QCD) has garnered significant attention with the advent of infrared- and collinear-safe clustering algorithms and observables. A key question emerging from these studies is how in-jet emissions at soft and hard energy scales, across collinear and wide angles relative to the emitter, differ with the mass of the emitting parton. The Lund jet plane (LJP) is a perturbatively well-defined substructure observable that maps the radiation pattern of jets onto a plane, visually distinguishing emissions with different kinematic properties. Comparing LJP for jets containing hadrons of low versus high mass enables the testing of QCD splitting functions from first-principles calculations across both soft and hard regimes and at different radiation angles. This article presents the first measurement of the LJP for light-quark-enriched and beauty-initiated jets at a center-of-mass energy of 13 TeV at LHCb. This marks the first direct observation of the dead-cone effect in beauty-quark jets, measured in the collinear region of the LJP.

Item Type:	Article
Uncontrolled Keywords:	5106 Nuclear and Plasma Physics, 5107 Particle and High Energy Physics, 51 Physical Sciences
Divisions:	Faculty of Humanities & Social Sciences Faculty of Science & Engineering Faculty of Science & Engineering > School of Engineering Faculty of Science & Engineering > School of Physical Sciences Faculty of Science & Engineering > School of Physical Sciences > Physics Faculty of Humanities & Social Sciences > School of the Arts Faculty of Humanities & Social Sciences > School of the Arts > Architecture Faculty of Science & Engineering > School of Engineering > Civil and Environmental Engineering
Depositing User:	Symplectic Admin
Date Deposited:	09 Dec 2025 09:08
Last Modified:	16 Jun 2026 07:10
DOI:	10.1103/r16d-b4my
Open Access URL:	https://journals.aps.org/prd/pdf/10.1103/r16d-b4my
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3195993
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