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Measurement of meson production in and -Pb collisions at TeV

Publication ,  Journal Article
Acharya, S; Agarwal, A; Aglieri Rinella, G; Aglietta, L; Agnello, M; Agrawal, N; Ahammed, Z; Ahmad, S; Ahn, SU; Ahuja, I; Akindinov, A; Ali, B ...
Published in: Physical Review C
October 16, 2025

We present the measurement of the -differential production cross section of mesons in and -Pb collisions at TeV at midrapidity by ALICE. In addition, the first measurement of the nuclear modification factor for mesons at LHC energies is presented, complementing the existing measurements of lighter neutral mesons such as the and . Within the measured range, the of mesons is compatible with no cold nuclear matter effects within the uncertainties, consistent with previous measurements at lower energies. The ratio is presented for both collision systems, showing no collision system dependence within the uncertainties. The comparison to previously published ratios at lower and higher collision energies in collisions suggests a decreasing trend of the ratio above = 4 GeV/ with increasing collision energy. The data in both collision systems are compared to predictions from PYTHIA 8, EPOS LHC, and DPMJET event generators, revealing significant shortcomings in these models’ ability to describe the production of mesons.

Duke Scholars

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

October 16, 2025

Volume

112

Issue

4

Publisher

American Physical Society (APS)

Related Subject Headings

  • 5106 Nuclear and plasma physics
 

Citation

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MLA
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Acharya, S., Agarwal, A., Aglieri Rinella, G., Aglietta, L., Agnello, M., Agrawal, N., … Kumar, L. (2025). Measurement of ω meson production in pp and p -Pb collisions at sNN=5.02 TeV. Physical Review C, 112(4). https://doi.org/10.1103/ls6w-x1bb
Acharya, S., A. Agarwal, G. Aglieri Rinella, L. Aglietta, M. Agnello, N. Agrawal, Z. Ahammed, et al. “Measurement of ω meson production in pp and p -Pb collisions at sNN=5.02 TeV.” Physical Review C 112, no. 4 (October 16, 2025). https://doi.org/10.1103/ls6w-x1bb.
Acharya S, Agarwal A, Aglieri Rinella G, Aglietta L, Agnello M, Agrawal N, et al. Measurement of ω meson production in pp and p -Pb collisions at sNN=5.02 TeV. Physical Review C. 2025 Oct 16;112(4).
Acharya, S., et al. “Measurement of ω meson production in pp and p -Pb collisions at sNN=5.02 TeV.” Physical Review C, vol. 112, no. 4, American Physical Society (APS), Oct. 2025. Crossref, doi:10.1103/ls6w-x1bb.
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Kebschull U, Keil M, Ketzer B, Keul J, Khade SS, Khan AM, Khan S, Khanzadeev A, Kharlov Y, Khatun A, Khuntia A, Khuranova Z, Kileng B, Kim B, Kim C, Kim DJ, Kim D, Kim EJ, Kim J, Kim M, Kim S, Kim T, Kimura K, Kirsch S, Kisel I, Kiselev S, Kisiel A, Klay JL, Klein J, Klein S, Klein-Bösing C, Kleiner M, Klemenz T, Kluge A, Kobdaj C, Kohara R, Kollegger T, Kondratyev A, Kondratyeva N, Konig J, Konigstorfer SA, Konopka PJ, Kornakov G, Korwieser M, Koryciak SD, Koster C, Kotliarov A, Kovacic N, Kovalenko V, Kowalski M, Kozhuharov V, Kozlov G, Králik I, Kravčáková A, Krcal L, Krivda M, Krizek F, Krizkova Gajdosova K, Krug C, Krüger M, Krupova DM, Kryshen E, Kučera V, Kuhn C, Kuijer PG, Kumaoka T, Kumar D, Kumar L. Measurement of ω meson production in pp and p -Pb collisions at sNN=5.02 TeV. Physical Review C. American Physical Society (APS); 2025 Oct 16;112(4).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

October 16, 2025

Volume

112

Issue

4

Publisher

American Physical Society (APS)

Related Subject Headings

  • 5106 Nuclear and plasma physics