DOE OSTI · 3005571
Measurement of inclusive jet cross section and substructure in 𝑝 + 𝑝 collisions at $\sqrt{s}$ = 200 GeV
Abstract
The jet cross section and jet-substructure observables in 𝑝 + 𝑝 collisions at $\sqrt{s}$ =200 GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collider (RHIC). Jets are reconstructed from charged-particle tracks and electromagnetic-calorimeter clusters using the anti-𝑘 𝑡 algorithm with a jet radius of 𝑅 = 0.3 for jets with transverse momentum within 8.0 < 𝑝 𝑇 < 40.0 GeV/𝑐 and pseudorapidity |𝜂| < 0.15. Measurements include the jet cross section, as well as distributions of SoftDrop-groomed momentum fraction (𝑧 𝑔 ), charged-particle transverse momentum with respect to jet axis (𝑗 𝑇 ), and radial distributions of charged particles within jets (𝑟). Also measured was the distribution of 𝜉 = −ln(𝑧), where 𝑧 is the fraction of the jet momentum carried by the charged particle. The measurements are compared to theoretical next-to and next-to-next-to-leading-order calculations, the PYTHIA and H erwig event generators, and to other existing experimental results. Indicated from these measurements is a lower particle multiplicity in jets at RHIC energies when compared to models. Also noted are implications for future jet measurements with sPHENIX at RHIC as well as at the future Electron-Ion Collider.
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Abdulameer, N. J. [Debrecen University; HUN-REN ATOMKI], Acharya, U. [Georgia State University], Aidala, C. [Los Alamos National Laboratory; University of Michigan], Ajitanand, N. N. [Stony Brook University], Akiba, Y. [RIKEN Nishina Center for Accelerator-Based Science; Brookhaven National Laboratory], Akimoto, R. [University of Tokyo], Alexander, J. [Stony Brook University], Alfred, M. [Howard University], Andrieux, V. [University of Michigan], Antsupov, S. [Saint Petersburg State Polytechnic University], Aoki, K. [High Energy Accelerator Research Organization; RIKEN Nishina Center for Accelerator-Based Science], Apadula, N. [Iowa State University; Stony Brook University], Asano, H. [Kyoto University; RIKEN Nishina Center for Accelerator-Based Science], Atomssa, E. T. [Stony Brook University], Awes, T. C. [Oak Ridge National Laboratory], Azmoun, B. [Brookhaven National Laboratory], Babintsev, V. [Institute for High Energy Physics], Bai, M. [Brookhaven National Laboratory], Bai, X. [Science and Technology on Nuclear Data Laboratory], Bandara, N. S. [University of Massachusetts], Bannier, B. [Stony Brook University], Bannikov, E. [Saint Petersburg State Polytechnic University], Barish, K. N. [University of California-Riverside], Bathe, S. [City University of New York; Brookhaven National Laboratory], Baublis, V. [Petersburg Nuclear Physics Institute], Baumann, C. [Brookhaven National Laboratory], Baumgart, S. [RIKEN Nishina Center for Accelerator-Based Science], Bazilevsky, A. [Brookhaven National Laboratory], Beaumier, M. [University of California-Riverside], Belmont, R. [University of Colorado; University of North Carolina at Greensboro], Berdnikov, A. [Saint Petersburg State Polytechnic University], Berdnikov, Y. [Saint Petersburg State Polytechnic University], Bichon, L. [Vanderbilt University], Black, D. [University of California-Riverside], Blankenship, B. [Vanderbilt University], Blau, D. S. [National Research Center “Kurchatov Institute; National Research Nuclear University], Bok, J. S. [New Mexico State University], Borisov, V. [Saint Petersburg State Polytechnic University], Boyle, K. [Brookhaven National Laboratory], Brooks, M. L. [Los Alamos National Laboratory], Bryslawskyj, J. [City University of New York; University of California-Riverside], Buesching, H. [Brookhaven National Laboratory], Bumazhnov, V. [Institute for High Energy Physics], Butsyk, S. [University of New Mexico], Campbell, S. [Columbia University; Iowa State University], Cervantes, R. [Stony Brook University], Chen, C.-H. [Brookhaven National Laboratory], Chen, D. [Stony Brook University], Chiu, M. [Brookhaven National Laboratory], Chi, C. Y. [Columbia University], Choi, I. J. [University of Illinois at Urbana-Champaign], Choi, J. B. [Jeonbuk National University], Choi, S. [Seoul National University], Christiansen, P. [Lund University], Chujo, T. [University of Tsukuba], Cianciolo, V. [Oak Ridge National Laboratory], Citron, Z. [Weizmann Institute], Cole, B. A. [Columbia University], Connors, M. [Georgia State University; Brookhaven National Laboratory], Corliss, R. [Stony Brook University], Cronin, N. [Muhlenberg College; Stony Brook University], Crossette, N. [Muhlenberg College], Csanád, M. [Eötvös Loránd University], Csörgő, T. [Laboratory of Femtoscopy; Institute for Particle and Nuclear Physics], D’Orazio, L. [University of Maryland], Danley, T. W. [Ohio University], Datta, A. [University of New Mexico], Daugherity, M. S. [Abilene Christian University], David, G. [Brookhaven National Laboratory; Stony Brook University], DeBlasio, K. [University of New Mexico], Dehmelt, K. [Stony Brook University], Denisov, A. [Institute for High Energy Physics], Deshpande, A. [Brookhaven National Laboratory; Stony Brook University], Desmond, E. J. [Brookhaven National Laboratory], Ding, L. [Iowa State University], Dion, A. [Stony Brook University], Dixit, D. [Stony Brook University], Doomra, V. [Stony Brook University], Do, J. H. [Yonsei University], Drapier, O. [Laboratoire Leprince-Ringuet], Drees, A. [Stony Brook University], Drees, K. A. [Brookhaven National Laboratory], Durham, J. M. [Los Alamos National Laboratory], Durum, A. [Institute for High Energy Physics], En’yo, H. [RIKEN Nishina Center for Accelerator-Based Science; Brookhaven National Laboratory], Engelmore, T. [Columbia University], Enokizono, A. [RIKEN Nishina Center for Accelerator-Based Science; Rikkyo University], Esha, R. [Stony Brook University], Eyser, K. O. [Brookhaven National Laboratory], Fadem, B. [Muhlenberg College], Fan, W. [Stony Brook University], Feege, N. [Stony Brook University], Fields, D. E. [University of New Mexico], Finger, M. [Charles University], Firak, D. [Debrecen University; Stony Brook University], Fitzgerald, D. [University of Michigan], Fleuret, F. [Laboratoire Leprince-Ringuet], Fokin, S. L. [National Research Center “Kurchatov Institute], Frantz, J. E. [Ohio University], Franz, A. [Brookhaven National Laboratory]. 2025-06-24. Measurement of inclusive jet cross section and substructure in 𝑝 + 𝑝 collisions at $\sqrt{s}$ = 200 GeV. https://doi.org/10.1103/hpm9-qfp6
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