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@MISC{Collaboration:356875,
author = {{ALICE Collaboration}},
title = {{M}easurements of jet quenching using semi-inclusive
hadron+jet distributions in pp and central {P}b$-${P}b
collisions at $\sqrt{s_{\rm {NN}}}=5.02$ {T}e{V}},
reportid = {GSI-2025-00258},
year = {2024},
note = {Journal Article GSI record: GSI-2025-00257},
abstract = {The ALICE Collaboration reports measurements of the
semi-inclusive distribution of charged-particle jets
recoiling from a high transverse momentum (high
$p_\mathrm{T}$) charged hadron, in pp and central Pb--Pb
collisions at center of mass energy per nucleon--nucleon
collision $\sqrt{s_\mathrm{NN}}=5.02$ TeV. The large
uncorrelated background in central Pb--Pb collisions is
corrected using a data-driven statistical approach, which
enables precise measurement of recoil jet distributions over
a broad range in $p_\mathrm{T,ch jet}$ and jet resolution
parameter $R$. Recoil jet yields are reported for $R=$ 0.2,
0.4, and 0.5 in the range $7<p_\mathrm{T,ch jet}<140$
GeV/$c$ and $\pi/2<\Delta\varphi<\pi$, where $\Delta\varphi$
is the azimuthal angular separation between hadron trigger
and recoil jet. The low $p_\mathrm{T,ch jet}$ reach of the
measurement explores unique phase space for studying jet
quenching, the interaction of jets with the quark--gluon
plasma generated in high-energy nuclear collisions.
Comparison of $p_\mathrm{T,ch jet}$ distributions from pp
and central Pb--Pb collisions probes medium-induced jet
energy loss and intra-jet broadening, while comparison of
their acoplanarity distributions explores in-medium jet
scattering and medium response. The measurements are
compared to theoretical calculations incorporating jet
quenching.},
cin = {ALI / DTL / CIT / EXM / ALICE@CERN},
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) / STRONG-2020 - The strong
interaction at the frontier of knowledge: fundamental
research and applications (824093)},
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 / G:(EU-Grant)824093},
experiment = {EXP:(DE-H253)LHC-Exp-ALICE-20150101},
typ = {PUB:(DE-HGF)32},
doi = {10.17182/HEPDATA.152377},
url = {https://repository.gsi.de/record/356875},
}