${{J}/\psi }$ and ${{D}} ^0$ production in $\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV} $ PbNe collisions - INSPIRE

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${{J}/\psi }$ and ${{D}} ^0$ production in $\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV}$ PbNe collisions

LHCb

Collaboration

Nov 21, 2022

9 pages

Published in:

Eur.Phys.J.C 83 (2023) 7, 658

Published: Jul 25, 2023

e-Print:

2211.11652 [hep-ex]

DOI:

10.1140/epjc/s10052-023-11674-w

Report number:

CERN-EP-2022-215,
LHCb-PAPER-2022-011

Experiments:

CERN-LHC-LHCb

View in:

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Citations per year

Abstract: (Springer)

The first measurement of

{{J}/\psi }

and

{{D}} ^0

production in PbNe collisions by the LHCb experiment in its fixed-target configuration is reported. The production of

{{J}/\psi }

and

{{D}} ^0

mesons is studied with a beam of lead ions with an energy of 2.5

\,\text {TeV}

per nucleon colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy of

\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV}

. The

{{J}/\psi }

/

{{D}} ^0

production cross-section ratio is studied as a function of rapidity, transverse momentum and collision centrality. These data are compared with measurements from

p\text {Ne}

collisions at the same energy and show no difference in the observed

{{J}/\psi }

suppression trend when comparing

p\text {Ne}

and PbNe peripheral collisions with PbNe central collisions.

Note:

All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-011.html (LHCb public pages). arXiv admin note: text overlap with arXiv:1810.07907

heavy ion: scattering
lead: beam
cross section: ratio
lead: ion
J/psi(3100): hadroproduction
D0: hadroproduction
CERN LHC Coll
formation
deconfinement
J/psi(3100): suppression

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