Hayrapetyan, A.Tumasyan, A.Adam, W.Andrejkovic, J. W.Bergauer, T.Chatterjee, S.Zhokin, A.2024-12-152024-12-1520240031-90071079-711410.1103/PhysRevLett.133.1423012-s2.0-85206872004https://doi.org/10.1103/PhysRevLett.133.142301Gonzalez Caballero, Isidro/0000-0002-8087-3199; Kanuganti, Ankush Reddy/0000-0002-0789-1200; Leonardo, Nuno/0000-0002-9746-4594; Garutti, Erika/0000-0003-0634-5539; Heath, Helen/0000-0001-6576-9740; Hinzmann, Andreas/0000-0002-2633-4696; Kalbhor, Pritam/0000-0002-5892-3743; Kara, Ozgun/0000-0002-4661-0096; Mondal, Spandan/0000-0003-0153-7590; Naskar, Kousik/0000-0003-0638-4378; Mundim, Luiz/0000-0001-9964-7805; Sharma, Vivek/0000-0003-1736-8795; Backhaus, Malte/0000-0002-5888-2304; Yagil, Avi/0000-0002-6108-4004; Guzzi, Luca/0000-0002-3086-8260; Presilla, Matteo/0000-0003-2808-7315; Panwar, Lata/0000-0003-2461-4907; Bury, Florian/0000-0002-3077-2090; Evdokimov, Olga/0000-0002-1250-8931; Govoni, Pietro/0000-0002-0227-1301; Mitselmakher, Guenakh/0000-0001-5745-3658; Forthomme, Laurent/0000-0002-3302-336X; Arneodo, Michele/0000-0002-7790-7132; Bakhshiansohi, Hamed/0000-0001-5741-3357; Migliore, Ernesto/0000-0002-2271-5192; Moureaux, Louis/0000-0002-2310-9266; Mrenna, Stephen/0000-0001-8731-160X; Simone, Federica Maria/0000-0002-1924-983X; Amendola, Chiara/0000-0002-4359-836X; Escalante Del Valle, Alberto/0000-0002-9702-6359; Alibordi, Muhammad/0000-0002-7535-7149; Zanetti, Marco/0000-0003-4281-4582; Fernandez Menendez, Javier/0000-0002-5213-3708; Reimers, Arne Christoph/0000-0002-9438-2059; Zucchetta, Alberto/0000-0003-0380-1172; Robert, Schoefbeck/0000-0002-2332-8784; Mousa, Jehad/0000-0002-2978-2718; Salvatico, Riccardo/0000-0002-2751-0567; Gozzelino, Andrea/0000-0002-6284-1126; Pozniak, Krzysztof/0000-0001-5426-1423; Tiras, Emrah/0000-0002-5628-7464; Elmer, Peter/0000-0001-6830-3356; Della Ricca, Giuseppe/0000-0003-2831-6982; Aruta, Caterina/0000-0001-9524-3264; Fiorendi, Sara/0000-0003-3273-9419; Lange, Torben/0000-0001-6242-7331; Rinkevicius, Aurelijus/0000-0002-7510-255X; Lethuillier, Morgan/0000-0001-6185-2045; Rossi, Biagio/0000-0002-0807-8772; 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Wuchterl, Sebastian/0000-0001-9955-9258; Ulrich, Ralf/0000-0002-2535-402X; Barman, Soumyadip/0000-0001-8891-1674; Collard, Caroline/0000-0002-5230-8387; Sharma, Ram Krishna/0000-0003-1181-1426; Tinoco Mendes, Andre David/0000-0001-5854-7699; Li, Qiang/0000-0002-8290-0517; Tok, Ufuk Guney/0000-0002-3039-021X; Sarkar, Uttiya/0000-0002-9892-4601; Caputo, Claudio/0000-0001-7522-4808; Dewanjee, Ram Krishna/0000-0001-6645-6244; Wittich, Peter/0000-0002-7401-2181; Alverson, George/0000-0001-6651-1178; Voutilainen, Mikko/0000-0002-5200-6477; Kolberg, Ted/0000-0002-0211-6109; Pradhan, Raghunath/0000-0001-7000-6510; Giammanco, Andrea/0000-0001-9640-8294; Martikainen, Laura/0000-0003-1609-3515; Lu, Meng/0000-0002-6999-3931; Madrid, Christopher/0000-0003-3301-2246; Mukherjee, Soumya/0000-0003-3122-0594; Malik, Sudhir/0000-0002-6356-2655; Ahmad, Muhammad/0000-0001-9933-995X; Gomez-Ceballos, Guillelmo/0000-0003-1683-9460; Bethani, Agni/0000-0002-8150-7043; Shchelina, Ksenia/0000-0003-3742-0693; Staiano, Amedeo/0000-0003-1803-624X; 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Skovpen, Kirill/0000-0002-1160-0621; Jayatilaka, Bodhitha/0000-0001-7912-5612; Sznajder, Andre/0000-0001-6998-1108; Bortignon, Pierluigi/0000-0002-5360-1454; Azzurri, Paolo/0000-0002-1717-5654; Habibullah, Redwan/0000-0002-3161-8300; Akgun, Bora/0000-0001-8888-3562; Gutsche, Oliver/0000-0002-8015-9622; Sculac, Toni/0000-0002-9578-4105; Taylor, Lucas/0000-0002-6584-2538; Grohsjean, Alexander/0000-0003-0748-8494; Lee, Sung-Won/0000-0002-3388-8339; Tishelman-Charny, Abraham/0000-0002-7332-5098; Benaglia, Andrea Davide/0000-0003-1124-8450; Vami, Tamas Almos/0000-0002-0959-9211; Macchiolo, Anna/0000-0003-0199-6957; Wang, Dayong/0000-0002-9013-1199; Grab, Christophorus/0000-0002-6182-3380; Fernandez Bedoya, Cristina/0000-0001-8057-9152; Steggemann, Jan/0000-0003-4420-5510; Puerta Pelayo, Jesus/0000-0001-7390-1457; Starodumov, Andrey/0000-0001-9570-9255; Castilla-Valdez, Heriberto/0009-0005-9590-9958; Navarrete Ramos, Efren/0000-0002-5180-4020; Matorras, Francisco/0000-0003-4295-5668; Lucchini, Marco Toliman/0000-0002-7497-7450; Sciacca, Crisostomo/0000-0002-8412-4072; Brigljevic, Vuko/0000-0001-5847-0062; Theofilatos, Konstantinos/0000-0001-8448-883X; Gonzalez Lopez, Oscar/0000-0002-4532-6464; Costa, Salvatore/0000-0001-9919-0569; Urda, Lourdes/0000-0002-7865-5010; Sanchez-Hernandez, Alberto/0000-0001-9548-0358A search for collective effects inside jets produced in proton-proton collisions is performed via correlation measurements of charged particles using the CMS detector at the CERN LHC. The analysis uses data collected at a center-of-mass energy of root s = 13 TeV, corresponding to an integrated luminosity of 138 fb(-1). Jets are reconstructed with the anti-kT algorithm with a distance parameter of 0.8 and are required to have transverse momentum greater than 550 GeV and pseudorapidity vertical bar eta(jet)vertical bar < 1.6. Two-particle correlations among the charged particles within the jets are studied as functions of the particles' azimuthal angle and pseudorapidity separations (Delta phi* and Delta eta*) in a jet coordinate basis, where particles' eta*, phi* are defined relative to the direction of the jet. The correlation functions are studied in classes of in-jet chargedparticle multiplicity up to N-ch(J) approximate to 100. Fourier harmonics are extracted from long-range azimuthal correlation functions to characterize azimuthal anisotropy for vertical bar Delta eta*vertical bar > 2. For low-N-ch(j) jets, the long-range elliptic anisotropic harmonic, v(2)*, is observed to decrease with N-ch(j). This trend is well described by Monte Carlo event generators. However, a rising trend for v(2)* emerges at N-ch(j) greater than or similar to 80, hinting at a possible onset of collective behavior, which is not reproduced by the models tested. This observation yields new insights into the dynamics of jet evolution in the vacuum.eninfo:eu-repo/semantics/openAccessArticleQ1Q113314WOS:001382578000001394233901