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BibTex format

@article{Chekhovsky:2026:10.1007/JHEP05(2026)176,
author = {Chekhovsky, V and Hayrapetyan, A and Makarenko, V and Tumasyan, A and Adam, W and Andrejkovic, JW and Benato, L and Bergauer, T and Damanakis, K and Dragicevic, M and Giordano, C and Hussain, PS and Jeitler, M and Krammer, N and Li, A and Liko, D and Mikulec, I and Schieck, J and Schwarz, D and Schöfbeck, R and Sonawane, M and Waltenberger, W and Wulz, CE and Janssen, T and Kwon, H and Van, Laer T and Van, Mechelen P and Bierkens, J and Breugelmans, N and DHondt, J and Dansana, S and De, Moor A and Delcourt, M and Heyen, F and Hong, Y and Lowette, S and Makarenko, I and Müller, D and Tavernier, S and Tytgat, M and Van, Onsem GP and Van, Putte S and Vannerom, D and Bilin, B and Clerbaux, B and Das, AK and De, Bruyn I and De, Lentdecker G and Evard, H and Favart, L and Gianneios, P and Khalilzadeh, A and Khan, FA and Malara, A and Shahzad, MA and Thomas, L and Vanden, Bemden M and Vander, Velde C and Vanlaer, P and Zhang, F and De, Coen M and Dobur, D and Gokbulut, G and Knolle, J and La},
doi = {10.1007/JHEP05(2026)176},
journal = {Journal of High Energy Physics},
title = {Exploring small-angle emissions in charm quark jets in proton-proton collisions at s=5.02 TeV},
url = {http://dx.doi.org/10.1007/JHEP05(2026)176},
volume = {2026},
year = {2026}
}
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TY  - JOUR
AB  - A measurement of the angular structure of inclusive jets and those containing a prompt D<sup>0</sup> meson in proton-proton collisions at the LHC at a center-of-mass energy of 5.02 TeV is presented. The data corresponding to an integrated luminosity of 301 pb<sup>−1</sup> were collected by the CMS experiment in 2017. Two jet grooming algorithms, late-k<inf>T</inf> and soft drop, are used to study the intrajet radiation pattern using iterative Cambridge-Aachen declustering. The splitting-angle distributions of jets with transverse momentum (p<inf>T</inf>) of around 100 GeV, obtained with these two algorithms, show that there is a shift of the distribution for jets containing a prompt D<sup>0</sup> meson with respect to inclusive jets. The suppression of emissions at small angles observed in the late-k<inf>T</inf> grooming approach is consistent with the dead-cone effect, whereas the similar suppression for splittings selected with the soft-drop algorithm appears to be induced by gluon splitting to charm quark-antiquark pairs at large angles. The measured distributions are corrected to the particle level and can be used to constrain model predictions for the substructure of high-p<inf>T</inf> charm quark jets.
AU  - Chekhovsky,V
AU  - Hayrapetyan,A
AU  - Makarenko,V
AU  - Tumasyan,A
AU  - Adam,W
AU  - Andrejkovic,JW
AU  - Benato,L
AU  - Bergauer,T
AU  - Damanakis,K
AU  - Dragicevic,M
AU  - Giordano,C
AU  - Hussain,PS
AU  - Jeitler,M
AU  - Krammer,N
AU  - Li,A
AU  - Liko,D
AU  - Mikulec,I
AU  - Schieck,J
AU  - Schwarz,D
AU  - Schöfbeck,R
AU  - Sonawane,M
AU  - Waltenberger,W
AU  - Wulz,CE
AU  - Janssen,T
AU  - Kwon,H
AU  - Van,Laer T
AU  - Van,Mechelen P
AU  - Bierkens,J
AU  - Breugelmans,N
AU  - DHondt,J
AU  - Dansana,S
AU  - De,Moor A
AU  - Delcourt,M
AU  - Heyen,F
AU  - Hong,Y
AU  - Lowette,S
AU  - Makarenko,I
AU  - Müller,D
AU  - Tavernier,S
AU  - Tytgat,M
AU  - Van,Onsem GP
AU  - Van,Putte S
AU  - Vannerom,D
AU  - Bilin,B
AU  - Clerbaux,B
AU  - Das,AK
AU  - De,Bruyn I
AU  - De,Lentdecker G
AU  - Evard,H
AU  - Favart,L
AU  - Gianneios,P
AU  - Khalilzadeh,A
AU  - Khan,FA
AU  - Malara,A
AU  - Shahzad,MA
AU  - Thomas,L
AU  - Vanden,Bemden M
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - Zhang,F
AU  - De,Coen M
AU  - Dobur,D
AU  - Gokbulut,G
AU  - Knolle,J
AU  - Lambrecht,L
AU  - Marckx,D
AU  - Skovpen,K
AU  - Van,Den Bossche N
AU  - van,der Linden J
AU  - Vandenbroeck,J
AU  - Wezenbeek,L
AU  - Bein,S
AU  - Benecke,A
AU  - Bethani,A
AU  - Bruno,G
AU  - Cappati,A
AU  - De,Favereau De Jeneret J
AU  - Delaere,C
AU  - Giammanco,A
AU  - Guzel,AO
AU  - Jain,S
AU  - Lemaitre,V
AU  - Lidrych,J
AU  - Mastrapasqua,P
AU  - Turkcapar,S
AU  - Alves,GA
AU  - Coelho,E
AU  - Correia,Silva G
AU  - Hensel,C
AU  - Menezes,De Oliveira T
AU  - Mora,Herrera C
AU  - Rebello,Teles P
AU  - Soeiro,M
AU  - Tonelli,Manganote EJ
AU  - Vilela,Pereira A
AU  - Aldá,Júnior WL
AU  - Barroso,Ferreira Filho M
AU  - Brandao,Malbouisson H
AU  - Carvalho,W
AU  - Chinellato,J
DO  - 10.1007/JHEP05(2026)176
PY  - 2026///
TI  - Exploring small-angle emissions in charm quark jets in proton-proton collisions at s=5.02 TeV
T2  - Journal of High Energy Physics
UR  - http://dx.doi.org/10.1007/JHEP05(2026)176
VL  - 2026
ER  -
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