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@ARTICLE{Acharya:348435,
      author       = {Acharya, Shreyasi and others},
      title        = {{P}roduction of pions, kaons, and protons as a function of
                      the relative transverse activity classifier in pp collisions
                      at $ \sqrt{s} $ = 13 {T}e{V}},
      journal      = {Journal of high energy physics},
      volume       = {06},
      number       = {6},
      issn         = {1126-6708},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {GSI-2024-00271, arXiv:2301.10120. CERN-EP-2022-286},
      pages        = {27},
      year         = {2023},
      note         = {32 pages, 11 captioned figures, 3 tables, figures at
                      http://alice-publications.web.cern.ch/node/8869. This
                      article is distributed under the terms of the Creative
                      Commons Attribution License (CC-BY 4.0), which permits any
                      use, distribution and reproduction in any medium, provided
                      the original author(s) and source are credited. Funded by
                      SCOAP3},
      abstract     = {The production of π$^{±}$, K$^{±}$, and $
                      \left(\overline{\textrm{p}}\right)\textrm{p} $ is measured
                      in pp collisions at $ \sqrt{s} $ = 13 TeV in different
                      topological regions of the events. Particle transverse
                      momentum (p$_{T}$) spectra are measured in the “toward”,
                      “transverse”, and “away” angular regions defined
                      with respect to the direction of the leading particle in the
                      event. While the toward and away regions contain the
                      fragmentation products of the near-side and away-side jets,
                      respectively, the transverse region is dominated by
                      particles from the Underlying Event (UE). The relative
                      transverse activity classifier, R$_{T}$ =
                      N$_{T}$/〈N$_{T}$〉, is used to group events according to
                      their UE activity, where N$_{T}$ is the measured
                      charged-particle multiplicity per event in the transverse
                      region and 〈N$_{T}$〉 is the mean value over all the
                      analysed events. The first measurements of identified
                      particle p$_{T}$ spectra as a function of R$_{T}$ in the
                      three topological regions are reported. It is found that the
                      yield of high transverse momentum particles relative to the
                      R$_{T}$-integrated measurement decreases with increasing
                      R$_{T}$ in both the toward and the away regions, indicating
                      that the softer UE dominates particle production as R$_{T}$
                      increases and validating that R$_{T}$ can be used to control
                      the magnitude of the UE. Conversely, the spectral shapes in
                      the transverse region harden significantly with increasing
                      R$_{T}$. This hardening follows a mass ordering, being more
                      significant for heavier particles. Finally, it is observed
                      that the p$_{T}$-differential particle ratios $
                      \left(\textrm{p}+\overline{\textrm{p}}\right)/\left({\pi}^{+}+{\pi}^{-}\right)
                      $ and (K$^{+}$ + K$^{−}$)/(π$^{+}$ + π$^{−}$) in the
                      low UE limit (R$_{T}$ → 0) approach expectations from
                      Monte Carlo generators such as PYTHIA 8 with Monash 2013
                      tune and EPOS LHC, where the jet-fragmentation models have
                      been tuned to reproduce e$^{+}$e$^{−}$ results.},
      keywords     = {experimental results (INSPIRE) / data analysis method
                      (INSPIRE) / p p: scattering (INSPIRE) / charged particle:
                      multiplicity: measured (INSPIRE) / transverse momentum:
                      momentum spectrum (INSPIRE) / pi: production (INSPIRE) / K:
                      production (INSPIRE) / p: production (INSPIRE) / anti-p:
                      production (INSPIRE) / transverse (INSPIRE) / topological
                      (INSPIRE) / spectral (INSPIRE) / fragmentation (INSPIRE) /
                      Monte Carlo (INSPIRE) / underlying event (INSPIRE) / leading
                      particle (INSPIRE) / CERN LHC Coll (INSPIRE) / PYTHIA
                      (INSPIRE) / Hadron-Hadron Scattering (autogen)},
      cin          = {ALI / DTL / CIT / EXM / ALICE@CERN},
      ddc          = {530},
      cid          = {I:(DE-Ds200)ALI-20080822OR105 /
                      I:(DE-Ds200)DTL-20051214OR031 /
                      I:(DE-Ds200)CIT-20110310OR121 /
                      I:(DE-Ds200)EXM-20080818OR100 / I:(DE-Ds200)Coll-CERN-ALICE},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / HGS-HIRe
                      - HGS-HIRe for FAIR (HGS-HIRe) / SUC-GSI-Heidelberg -
                      Strategic university cooperation GSI-U Heidelberg
                      (SUC-GSI-HE) / SUC-GSI-Frankfurt - Strategic university
                      cooperation GSI-U Frankfurt/M (SUC-GSI-FR) /
                      SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU
                      Darmstadt (SUC-GSI-DA)},
      pid          = {G:(DE-HGF)POF4-612 / G:(DE-Ds200)HGS-HIRe /
                      G:(DE-Ds200)SUC-GSI-HE / G:(DE-Ds200)SUC-GSI-FR /
                      G:(DE-Ds200)SUC-GSI-DA},
      experiment   = {EXP:(DE-H253)LHC-Exp-ALICE-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2301.10120},
      howpublished = {arXiv:2301.10120},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2301.10120;\%\%$},
      UT           = {WOS:001035475300001},
      doi          = {10.1007/JHEP06(2023)027},
      url          = {https://repository.gsi.de/record/348435},
}