Measurement of in-medium jet modification using direct photon + jet and π0 + jet correlations in p + p and central Au + Au collisions at √sNN = 200 GeV
The STAR Collaboration presents measurements of the semi-inclusive distribution of charged-particle jets recoiling from energetic direct-photon (𝛾dir) and neutral-pion (𝜋0) triggers in 𝑝 +𝑝 and central Au +Au collisions at √𝑠𝑁𝑁 =200 GeV over a broad kinematic range, for jet resolution parameters 𝑅...
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| Hauptverfasser: | , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
11 June 2025
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| In: |
Physical review letters
Year: 2025, Jahrgang: 134, Heft: 23, Pages: 1-9 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.134.232301 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.134.232301 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.134.232301 |
| Verfasserangaben: | B.E. Aboona, I.M. Deppner, N. Herrmann, Y.H. Leung, Y. Söhngen, P.C. Weidenkaff und weitere 362 (STAR Collaboration) |
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| 246 | 3 | 3 | |a Measurement of in-medium jet modification using direct photon plus jet and pi 0 plus jet correlations in p plus p and central Au plus Au collisions at square root sNN = 200 GeV |
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| 520 | |a The STAR Collaboration presents measurements of the semi-inclusive distribution of charged-particle jets recoiling from energetic direct-photon (dir) and neutral-pion (0) triggers in + and central Au +Au collisions at √ =200 GeV over a broad kinematic range, for jet resolution parameters =0.2 and 0.5. Medium-induced jet yield suppression is observed to be larger for =0.2 than for 0.5, reflecting the angular range of jet energy redistribution due to quenching. The predictions of model calculations incorporating jet quenching are not fully consistent with the observations. These results provide new insight into the physical origins of jet quenching. | ||
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