Matches in SemOpenAlex for { <https://semopenalex.org/work/W3186091520> ?p ?o ?g. }
- W3186091520 abstract "This article presents groomed jet substructure measurements in pp and Pb$-$Pb collisions at $sqrt{s_{rm NN}} = 5.02$ TeV with the ALICE detector. The Soft Drop grooming algorithm provides access to the hard parton splittings inside a jet by removing soft wide-angle radiation. We report the groomed jet momentum splitting fraction, $z_{rm g}$, and the (scaled) groomed jet radius, $theta_{rm g}$. Charged-particle jets are reconstructed at midrapidity using the anti-kT algorithm with resolution parameters $R = 0.2$ and $R = 0.4$. In heavy-ion collisions, the large underlying event poses a challenge for the reconstruction of groomed jet observables, since fluctuations in the background can cause groomed parton splittings to be misidentified. By using strong grooming conditions to reduce this background, we report these observables fully corrected for detector effects and background fluctuations for the first time. A narrowing of the $theta_{rm g}$ distribution in Pb$-$Pb collisions compared to pp collisions is seen, which provides direct evidence of the modification of the angular structure of jets in the quark$-$gluon plasma. No significant modification of the $z_{rm g}$ distribution in Pb$-$Pb collisions compared to pp collisions is observed. These results are compared with a variety of theoretical models of jet quenching, and provide constraints on jet energy-loss mechanisms and coherence effects in the quark$-$gluon plasma." @default.
- W3186091520 created "2021-08-02" @default.
- W3186091520 creator A5000006697 @default.
- W3186091520 creator A5000054928 @default.
- W3186091520 creator A5000071032 @default.
- W3186091520 creator A5000305026 @default.
- W3186091520 creator A5000366444 @default.
- W3186091520 creator A5000410507 @default.
- W3186091520 creator A5000571972 @default.
- W3186091520 creator A5000590200 @default.
- W3186091520 creator A5000793660 @default.
- W3186091520 creator A5000938410 @default.
- W3186091520 creator A5001036947 @default.
- W3186091520 creator A5001063908 @default.
- W3186091520 creator A5001073548 @default.
- W3186091520 creator A5001110478 @default.
- W3186091520 creator A5001261237 @default.
- W3186091520 creator A5001354688 @default.
- W3186091520 creator A5001473260 @default.
- W3186091520 creator A5001793927 @default.
- W3186091520 creator A5001892125 @default.
- W3186091520 creator A5001917613 @default.
- W3186091520 creator A5001925428 @default.
- W3186091520 creator A5001959274 @default.
- W3186091520 creator A5002131167 @default.
- W3186091520 creator A5002189950 @default.
- W3186091520 creator A5002194005 @default.
- W3186091520 creator A5002258759 @default.
- W3186091520 creator A5002345019 @default.
- W3186091520 creator A5002691468 @default.
- W3186091520 creator A5002819232 @default.
- W3186091520 creator A5003073828 @default.
- W3186091520 creator A5003158837 @default.
- W3186091520 creator A5003188321 @default.
- W3186091520 creator A5003405870 @default.
- W3186091520 creator A5003504506 @default.
- W3186091520 creator A5003558386 @default.
- W3186091520 creator A5003565697 @default.
- W3186091520 creator A5003617851 @default.
- W3186091520 creator A5003671169 @default.
- W3186091520 creator A5003762787 @default.
- W3186091520 creator A5003798641 @default.
- W3186091520 creator A5003894468 @default.
- W3186091520 creator A5003958156 @default.
- W3186091520 creator A5004016030 @default.
- W3186091520 creator A5004150835 @default.
- W3186091520 creator A5004275499 @default.
- W3186091520 creator A5004290759 @default.
- W3186091520 creator A5004318287 @default.
- W3186091520 creator A5004403734 @default.
- W3186091520 creator A5004437223 @default.
- W3186091520 creator A5004573323 @default.
- W3186091520 creator A5004604504 @default.
- W3186091520 creator A5004721276 @default.
- W3186091520 creator A5004829922 @default.
- W3186091520 creator A5004896394 @default.
- W3186091520 creator A5004912753 @default.
- W3186091520 creator A5004941066 @default.
- W3186091520 creator A5005003526 @default.
- W3186091520 creator A5005201526 @default.
- W3186091520 creator A5005389030 @default.
- W3186091520 creator A5005662056 @default.
- W3186091520 creator A5005822283 @default.
- W3186091520 creator A5005904226 @default.
- W3186091520 creator A5005979229 @default.
- W3186091520 creator A5006141181 @default.
- W3186091520 creator A5006194492 @default.
- W3186091520 creator A5006325438 @default.
- W3186091520 creator A5006343998 @default.
- W3186091520 creator A5006551345 @default.
- W3186091520 creator A5006619212 @default.
- W3186091520 creator A5006665996 @default.
- W3186091520 creator A5006709346 @default.
- W3186091520 creator A5006786971 @default.
- W3186091520 creator A5007057012 @default.
- W3186091520 creator A5007121664 @default.
- W3186091520 creator A5007139850 @default.
- W3186091520 creator A5007211783 @default.
- W3186091520 creator A5007225464 @default.
- W3186091520 creator A5007519157 @default.
- W3186091520 creator A5007604667 @default.
- W3186091520 creator A5007822432 @default.
- W3186091520 creator A5007835333 @default.
- W3186091520 creator A5007895741 @default.
- W3186091520 creator A5007913049 @default.
- W3186091520 creator A5007917419 @default.
- W3186091520 creator A5007924803 @default.
- W3186091520 creator A5007989293 @default.
- W3186091520 creator A5008268532 @default.
- W3186091520 creator A5008312199 @default.
- W3186091520 creator A5008713705 @default.
- W3186091520 creator A5008881501 @default.
- W3186091520 creator A5008939102 @default.
- W3186091520 creator A5009165976 @default.
- W3186091520 creator A5009183570 @default.
- W3186091520 creator A5009202282 @default.
- W3186091520 creator A5009284329 @default.
- W3186091520 creator A5009315304 @default.
- W3186091520 creator A5009396689 @default.
- W3186091520 creator A5009463638 @default.