Measurements of charged-particle production in pp, p-Pb, and Pb-Pb collisions in the toward, away, and transverse regions with the ALICE detector are discussed. These regions are defined event-by-event relative to the azimuthal direction of the charged trigger particle, which is the reconstructed particle with the largest transverse momentum ($p_\mathrm{T}^\mathrm{trig}$) in the range $8 < p_\mathrm{T}^\mathrm{trig} < 15~\mathrm{GeV}/c$. The toward and away regions contain the primary and recoil jets, respectively; both regions are accompanied by the underlying event (UE). In contrast, the transverse region perpendicular to the direction of the trigger particle is dominated by the so-called UE dynamics, and includes also contributions from initial- and final-state radiation. The relative transverse activity classifier, $R_\mathrm{T}=N_\mathrm{ch}^\mathrm{T}/\langle N_\mathrm{ch}^\mathrm{T}\rangle$, is used to group events according to their UE activity, where $N_\mathrm{ch}^\mathrm{T}$ is the charged-particle multiplicity per event in the transverse region and $\langle N_\mathrm{ch}^\mathrm{T}\rangle$ is the mean value over the whole analysed sample. The energy dependence of the $R_\mathrm{T}$ distributions in pp collisions at $\sqrt{s}=2.76, 5.02, 7$, and $13~\mathrm{TeV}$ is reported, exploring the Koba-Nielsen-Olesen (KNO) scaling properties of the multiplicity distributions. The first measurements of charged-particle $p_\mathrm{T}$ spectra as a function of $R_\mathrm{T}$ in the three azimuthal regions in pp, p-Pb, and Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02~\mathrm{TeV}$ are also reported. Data are compared with predictions obtained from the event generators $\mathrm{PYTHIA}~8$ and $\mathrm{EPOS}~\mathrm{LHC}$. This set of measurements is expected to contribute to the understanding of the origin of collective-like effects in small collision systems (pp and p-Pb).
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Data from Figure 3, top panel (magenta full squares)
10.17182/hepdata.146104.v1/t1
$R_\mathrm{T}$ distribution using events with trigger particles $5<p_\mathrm{T}^\mathrm{trig}<40~\mathrm{GeV}/c$ in the pseudorapidity range of $|\eta|<0.8$ and with $p_\mathrm{T}>0.5~\mathrm{GeV}/c$ in pp collisions...
Table 2
Data from Figure 3, top panel (green full circles)
10.17182/hepdata.146104.v1/t2
$R_\mathrm{T}$ distribution using events with trigger particles $5<p_\mathrm{T}^\mathrm{trig}<40~\mathrm{GeV}/c$ in the pseudorapidity range of $|\eta|<0.8$ and with $p_\mathrm{T}>0.5~\mathrm{GeV}/c$ in pp collisions...
Table 3
Data from Figure 3, top panel (blue open squares)
10.17182/hepdata.146104.v1/t3
$R_\mathrm{T}$ distribution using events with trigger particles $5<p_\mathrm{T}^\mathrm{trig}<40~\mathrm{GeV}/c$ in the pseudorapidity range of $|\eta|<0.8$ and with $p_\mathrm{T}>0.5~\mathrm{GeV}/c$ in pp collisions...
Table 4
Data from Figure 3, top panel (orange open circles)
10.17182/hepdata.146104.v1/t4
$R_\mathrm{T}$ distribution using events with trigger particles $5<p_\mathrm{T}^\mathrm{trig}<40~\mathrm{GeV}/c$ in the pseudorapidity range of $|\eta|<0.8$ and with $p_\mathrm{T}>0.5~\mathrm{GeV}/c$ in pp collisions...
Table 5
Data from Figure 4, top left panel
10.17182/hepdata.146104.v1/t5
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 6
Data from Figure 4, top middle panel
10.17182/hepdata.146104.v1/t6
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 7
Data from Figure 4, top right panel
10.17182/hepdata.146104.v1/t7
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 8
Data from Figure 5, top left panel
10.17182/hepdata.146104.v1/t8
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 9
Data from Figure 5, top middle panel
10.17182/hepdata.146104.v1/t9
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 10
Data from Figure 5, top right panel
10.17182/hepdata.146104.v1/t10
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 11
Data from Figure 6, top left panel
10.17182/hepdata.146104.v1/t11
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 12
Data from Figure 6, top middle panel
10.17182/hepdata.146104.v1/t12
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 13
Data from Figure 6, top right panel
10.17182/hepdata.146104.v1/t13
$p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region for different $R_\mathrm{T}$ intervals using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 14
Data from Figure 7, left panel (cyan open circles)
10.17182/hepdata.146104.v1/t14
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 15
Data from Figure 7, left panel (cyan open squares)
10.17182/hepdata.146104.v1/t15
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 16
Data from Figure 7, left panel (cyan open diamonds)
10.17182/hepdata.146104.v1/t16
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 17
Data from Figure 7, middle panel (magenta open circles)
10.17182/hepdata.146104.v1/t17
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 18
Data from Figure 7, middle panel (magenta open squares)
10.17182/hepdata.146104.v1/t18
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 19
Data from Figure 7, middle panel (magenta open diamonds)
10.17182/hepdata.146104.v1/t19
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 20
Data from Figure 7, right panel (orange open circles)
10.17182/hepdata.146104.v1/t20
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 21
Data from Figure 7, right panel (orange open squares)
10.17182/hepdata.146104.v1/t21
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 22
Data from Figure 7, right panel (orange open diamonds)
10.17182/hepdata.146104.v1/t22
Average $p_\mathrm{T}$ as a function of $R_\mathrm{T}$ in the transverse region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$ in the pseudorapidity...
Table 23
Data from Figure 9, top left panel (cyan open circles)
10.17182/hepdata.146104.v1/t23
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 24
Data from Figure 9, top left panel (magenta open squares)
10.17182/hepdata.146104.v1/t24
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 25
Data from Figure 9, top middle panel (cyan open circles)
10.17182/hepdata.146104.v1/t25
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 26
Data from Figure 9, top middle panel (magenta open squares)
10.17182/hepdata.146104.v1/t26
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 27
Data from Figure 9, top right panel (cyan open circles)
10.17182/hepdata.146104.v1/t27
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the toward region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
Table 28
Data from Figure 9, top right panel (magenta open squares)
10.17182/hepdata.146104.v1/t28
$p_\mathrm{T}$-integrated yield normalised to $$ as a function of $R_\mathrm{T}$ in the away region using events with trigger particles $8<p_\mathrm{T}^\mathrm{trig}<15~\mathrm{GeV}/c$...
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When using this data, please cite the original publication:
ALICE
Collaboration
(2024).
Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC. JHEP 01 (2024) 199.
Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC. HEPData (collection).
https://doi.org/10.17182/hepdata.146104
or, if you prefer, a specific version of the
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ALICE
Collaboration
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Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.146104.v1
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ALICE
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(2024).
“Table 1” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t1
ALICE
Collaboration
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“Table 2” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t2
ALICE
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“Table 3” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t3
ALICE
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“Table 4” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t4
ALICE
Collaboration
(2024).
“Table 5” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t5
ALICE
Collaboration
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“Table 6” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t6
ALICE
Collaboration
(2024).
“Table 7” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t7
ALICE
Collaboration
(2024).
“Table 8” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t8
ALICE
Collaboration
(2024).
“Table 9” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t9
ALICE
Collaboration
(2024).
“Table 10” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t10
ALICE
Collaboration
(2024).
“Table 11” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t11
ALICE
Collaboration
(2024).
“Table 12” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t12
ALICE
Collaboration
(2024).
“Table 13” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t13
ALICE
Collaboration
(2024).
“Table 14” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t14
ALICE
Collaboration
(2024).
“Table 15” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t15
ALICE
Collaboration
(2024).
“Table 16” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t16
ALICE
Collaboration
(2024).
“Table 17” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t17
ALICE
Collaboration
(2024).
“Table 18” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t18
ALICE
Collaboration
(2024).
“Table 19” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t19
ALICE
Collaboration
(2024).
“Table 20” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t20
ALICE
Collaboration
(2024).
“Table 21” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t21
ALICE
Collaboration
(2024).
“Table 22” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t22
ALICE
Collaboration
(2024).
“Table 23” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t23
ALICE
Collaboration
(2024).
“Table 24” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t24
ALICE
Collaboration
(2024).
“Table 25” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t25
ALICE
Collaboration
(2024).
“Table 26” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t26
ALICE
Collaboration
(2024).
“Table 27” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t27
ALICE
Collaboration
(2024).
“Table 28” of “Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.146104.v1/t28
When using this data, please cite the original publication:
ALICE
Collaboration
(2024).
Charged-particle production as a function of the relative transverse activity classifier in pp, p$-$Pb, and Pb$-$Pb collisions at the LHC. JHEP 01 (2024) 199.
or, if you prefer, a specific version of the
record:
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