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Energy dependence of $\phi $ meson production at forward rapidity in pp collisions at the LHC

The ALICE collaboration
Eur.Phys.J.C 81 (2021) 772, 2021.

Abstract (data abstract)
The production of $\phi$ mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region $2.5 < y < 4$. Measurements of the differential cross section $\mathrm{d}^2\sigma/$\mathrm{d}y $\mathrm{d} p_\mathrm{T}$ are presented as a function of the transverse momentum ($p_\mathrm{T}$) at the center-of-mass energies $\sqrt{s}=5.02$, 8 and 13 TeV and compared with the ALICE results at midrapidity. The differential cross sections at $\sqrt{s}=5.02$ and 13 TeV are also studied in several rapidity intervals as a function of $p_\mathrm{T}$, and as a function of rapidity in three $p_\mathrm{T}$ intervals. A hardening of the $p_\mathrm{T}$-differential cross section with the collision energy is observed, while, for a given energy, $p_\mathrm{T}$ spectra soften with increasing rapidity and, conversely, rapidity distributions get slightly narrower at increasing $p_\mathrm{T}$. The new results, complementing the published measurements at $\sqrt{s}=2.76$ and 7 TeV, allow one to establish the energy dependence of $\phi$ meson production and to compare the measured cross sections with phenomenological models.

  • Table 1

    Data from Figure 2, panel 1

    10.17182/hepdata.110876.v1/t1

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=5.02$ TeV at forward rapidity in pp collisions.

  • Table 2

    Data from Figure 2, panel 2

    10.17182/hepdata.110876.v1/t2

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=8$ TeV at forward rapidity in pp collisions.

  • Table 3

    Data from Figure 2, panel 3

    10.17182/hepdata.110876.v1/t3

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV at forward rapidity in pp collisions.

  • Table 4

    Data from Figure 5, left panel, magenta color full star marker

    10.17182/hepdata.110876.v1/t4

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=5.02$ TeV in pp collisions, in the $2.5<y<3$...

  • Table 5

    Data from Figure 5, left panel, blue color open star marker

    10.17182/hepdata.110876.v1/t5

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=5.02$ TeV in pp collisions, in the $3<y<3.25$...

  • Table 6

    Data from Figure 5, left panel, green color full circle marker

    10.17182/hepdata.110876.v1/t6

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=5.02$ TeV in pp collisions, in the $3.25<y<3.5$...

  • Table 7

    Data from Figure 5, left panel, violet color open circle marker

    10.17182/hepdata.110876.v1/t7

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=5.02$ TeV in pp collisions, in the $3.5<y<4$...

  • Table 8

    Data from Figure 5, right panel, magenta color full star marker

    10.17182/hepdata.110876.v1/t8

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV in pp collisions, in the $2.5<y<2.75$...

  • Table 9

    Data from Figure 5, right panel, blue color open star marker

    10.17182/hepdata.110876.v1/t9

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV in pp collisions, in the $2.75<y<3$...

  • Table 10

    Data from Figure 5, right panel, green color full circle marker

    10.17182/hepdata.110876.v1/t10

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV in pp collisions, in the $3<y<3.25$...

  • Table 11

    Data from Figure 5, right panel, violet color open circle marker

    10.17182/hepdata.110876.v1/t11

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV in pp collisions, in the $3.25<y<3.5$...

  • Table 12

    Data from Figure 5, right panel, indigo color full square marker

    10.17182/hepdata.110876.v1/t12

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of $p_\mathrm{T}$ at $\sqrt{s}=13$ TeV in pp collisions, in the $3.5<y<4$...

  • Table 13

    Data from Figure 6, left panel, magenta color full circle marker

    10.17182/hepdata.110876.v1/t13

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=5.02$ TeV in pp collisions, in the $1<p_T<2$...

  • Table 14

    Data from Figure 6, left panel, blue color full square marker

    10.17182/hepdata.110876.v1/t14

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=5.02$ TeV in pp collisions, in the $2<p_T<5$...

  • Table 15

    Data from Figure 6, left panel, green color full star marker

    10.17182/hepdata.110876.v1/t15

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=5.02$ TeV in pp collisions, in the $5<p_T<8$...

  • Table 16

    Data from Figure 6, right panel, magenta color full circle marker

    10.17182/hepdata.110876.v1/t16

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=13$ TeV in pp collisions, in the $1<p_T<2$...

  • Table 17

    Data from Figure 6, right panel, blue color full square marker

    10.17182/hepdata.110876.v1/t17

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=13$ TeV in pp collisions, in the $2<p_T<5$...

  • Table 18

    Data from Figure 6, right panel, green color full star marker

    10.17182/hepdata.110876.v1/t18

    $\phi$ meson production cross section $\mathrm{d}^2\sigma/(\mathrm{d}y\mathrm{d}p_\mathrm{T})$ as a function of rapidity at $\sqrt{s}=13$ TeV in pp collisions, in the $5<p_T<10$...

  • Table 19

    Data from Figure 7, red color full circle marker

    10.17182/hepdata.110876.v1/t19

    $\phi$ meson production integrated cross section as a function of $\sqrt{s}$ for $1.5 < p_\mathrm{T} <5$ GeV/$c$ at forward rapidity...

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