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M. Agnello; Z. Ahammed; S. U. Ahn; N. Alizadehvandchali; A. Alkin; M. Arslandok; R. Averbeck; A. Baldisseri; M. Barlou; K. Barth; A. Bercuci; E. Botta; O. Bugnon; P. Camerini; T. Chujo; F. P. A. Damas; P. Das; O. Dordic; P. Dupieux; D. Evans; V. J. G. Feuillard; G. Fiorenza; E. Frajna; S. K. Ghosh; L. Görlich; V. Grabski; A. Grelli; S. P. Guzman; A. Harlenderova; S. Hornung; G. M. Innocenti; M. Ivanov; A. Jusko; Z. Khabanova; Y. Kharlov; S. Klein; C. Kobdaj; D. Kumar; J. Y. Kwon; Y. Kwon; P. La Rocca; E. Laudi; R. C. Lemmon; A. Maevskaya; N. Mallick; G. Mandaglio; F. Manso; Y. Mao; G. V. Margagliotti; A. Margotti; P. Martinengo; S. Masciocchi; A. M. Mathis; M. Mazzilli; B. Mohanty; D. A. Moreira De Godoy; I. Morozov; M. G. Munhoz; J. Musinsky; B. Naik; R. Nania; L. Nellen; G. Paić; J. E. Parkkila; J. Pazzini; M. Petrovici; P. Pillot; S. Pisano; N. Poljak; R. Preghenella; I. Ravasenga; C. Ristea; M. Rodríguez Cahuantzi; S. Roy; O. V. Rueda; B. Rumyantsev; J. Saetre; S. K. Saha; S. Saha; C. Schiaua; A. Schmah; M. Schmidt; D. Sekihata; R. Shahoyan; A. Shangaraev; N. Sharma; B. Singh; V. K. Singh; I. Sputowska; D. Stocco; E. Vercellin; Z. Vilakazi; M. A. Völkl; K. Voloshin; W. E. Witt; R. Xu; Y. Yamaguchi; A. Zaman; V. Zherebchevskii; N. Zurlo
The European physical journal. C, Particles and fields, 08/2021, Letnik: 81, Številka: 8Journal Article
Abstract The production of $$\phi $$ ϕ mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region $$2.5< y < 4$$ 2.5 < y < 4 . Measurements of the differential cross section $$\mathrm{d}^2\sigma /\mathrm{d}y \mathrm{d}p_{\mathrm {T}}$$ d 2 σ / d y d p T are presented as a function of the transverse momentum ( $$p_{\mathrm {T}}$$ p T ) at the center-of-mass energies $$\sqrt{s}=5.02$$ s = 5.02 , 8 and 13 TeV and compared with the ALICE results at midrapidity. The differential cross sections at $$\sqrt{s}=5.02$$ s = 5.02 and 13 TeV are also studied in several rapidity intervals as a function of $$p_{\mathrm {T}}$$ p T , and as a function of rapidity in three $$p_{\mathrm {T}}$$ p T intervals. A hardening of the $$p_{\mathrm {T}}$$ p T -differential cross section with the collision energy is observed, while, for a given energy, $$p_{\mathrm {T}}$$ p T spectra soften with increasing rapidity and, conversely, rapidity distributions get slightly narrower at increasing $$p_{\mathrm {T}}$$ p T . The new results, complementing the published measurements at $$\sqrt{s}=2.76$$ s = 2.76 and 7 TeV, allow one to establish the energy dependence of $$\phi $$ ϕ meson production and to compare the measured cross sections with phenomenological models. None of the considered models manages to describe the evolution of the cross section with $$p_{\mathrm {T}}$$ p T and rapidity at all the energies.
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