Long Range Energy-energy Correlator at the LHC - INSPIRE

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Long Range Energy-energy Correlator at the LHC

Yuxun Guo
(
- LBNL, NSD
)
,
Xiaohui Liu
(
- Beijing Normal U.
)
,
Feng Yuan
(
- LBNL, NSD and
- Tubingen U.
)

Aug 26, 2024

10 pages

e-Print:

2408.14693 [hep-ph]

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Abstract: (arXiv)

We study the forward-backward azimuthal angular correlations of hadrons in association with multi-particle production in the central rapidity region in proton-proton collisions at the LHC. We apply the nucleon energy-energy correlator framework, where the spinning gluon distribution introduces a nontrivial

\cos(2\phi)

asymmetries. We will demonstrate that the fundamental helicity structure of QCD amplitudes predicts a unique power counting rule:

\cos(2\phi)

asymmetry starts at

{O}(\alpha_s^2)

order for dijet,

{O}(\alpha_s)

for three jet and

{O}(1)

for four (and more) jet productions. Our results will help us to understand the long standing puzzle of nearside ridge behavior observed in high multiplicity events of

pp

collisions at the LHC.

Note:

10 pages, 5 figures

References(51)

Figures(4)

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Vardan Khachatryan
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Vardan Khachatryan
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Georges Aad
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et al.

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Shreyasi Acharya
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)
,
Raju Venugopalan
(
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)

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Adrian Dumitru
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)
,
Bjoern Schenke
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)
,
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(
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)
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Raju Venugopalan
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- Brookhaven
)

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(
- LBL, Berkeley
)

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•
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•
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[14]

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Michael Strickland
(
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)

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•
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James L. Nagle
(
- Colorado U.
)
,
William A. Zajc
(
- Columbia U.
)

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•
e-Print:
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•
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•
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[17]

Observation of Enhanced Long-Range Elliptic Anisotropies Inside High-Multiplicity Jets in $p p$ Collisions at $\sqrt{s} = 13 TeV$

CMS

Collaboration

•

Aram Hayrapetyan
(
- Yerevan Phys. Inst.
)

et al.

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[18]

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Jan Fiete Grosse-Oetringhaus
(
- CERN
)
,
Urs Achim Wiedemann
(
- CERN
)

e-Print:
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[19]

Nucleon Energy Correlators

Xiaohui Liu
(
- Beijing Normal U. and
- Peking U., CHEP
)
,
Hua Xing Zhu
(
- Zhejiang U., Inst. Mod. Phys.
)

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•
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[20]

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Haotian Cao
(
- Beijing Normal U.
)
,
Xiaohui Liu
(
- Beijing Normal U. and
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)
,
Hua Xing Zhu
(
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)

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Xiao Lin Li
(
- Beijing Normal U.
)
,
Xiaohui Liu
(
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)
,
Feng Yuan
(
- LBNL, NSD
)
,
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(
- Peking U., CHEP and
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)

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•
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Hao-Yu Liu
(
- Beijing Normal U.
)
,
Xiaohui Liu
(
- Beijing Normal U.
)
,
Ji-Chen Pan
(
- Beijing, Inst. High Energy Phys.
)
,
Feng Yuan
(
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)
,
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(
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)

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[23]

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A. Accardi
(
- Jefferson Lab and
- Hampton U.
)
,
J.L. Albacete
(
- Orsay, IPN
)
,
M. Anselmino
(
- INFN, Turin and
- Turin U.
)
,
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(
- Santiago de Compostela U.
)
,
E.C. Aschenauer
(
- Brookhaven
)

et al.

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e-Print:
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DOI:
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R. Abdul Khalek
(
- Vrije U., Amsterdam and
- Nikhef, Amsterdam
)
,
A. Accardi
(
- Hampton U. and
- Jefferson Lab
)
,
J. Adam
(
- Brookhaven
)
,
D. Adamiak
(
- Ohio State U.
)
,
W. Akers
(
- Jefferson Lab
)

et al.

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•
e-Print:
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•
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[25]

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Yoshitaka Hatta
(
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)
,
Yuri V. Kovchegov
(
- Ohio State U.
)
,
Cyrille Marquet
(
- Ecole Polytechnique, CPHT
)
,
Alexei Prokudin
(
- Penn State U., Berks-Lehigh Valley and
- Jefferson Lab
)
,
Elke Aschenauer
(
- Brookhaven
)

et al.

•
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- 2002.12333
•
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