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Measurement of charged hadron production in Z-tagged jets in proton-Proton collisions at root s=8 TeV

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PhysRevLett.123.232001.pdfPublished version328.92 kBAdobe PDFView/Open
Title: Measurement of charged hadron production in Z-tagged jets in proton-Proton collisions at root s=8 TeV
Authors: Aaij, R
Beteta, CA
Adeva, B
Adinolfi, M
Aidala, CA
Ajaltouni, Z
Akar, S
Albicocco, P
Albrecht, J
Alessio, F
Alexander, M
Alfonso Albero, A
Alkhazov, G
Cartelle, PA
Alves Jr, AA
Amato, S
Amhis, Y
An, L
Anderlini, L
Andreassi, G
Andreotti, M
Andrews, JE
Archilli, F
Romeu, JA
Artamonov, A
Artuso, M
Arzymatov, K
Aslanides, E
Atzeni, M
Audurier, B
Bachmann, S
Back, JJ
Baker, S
Balagura, V
Baldini, W
Baranov, A
Barlow, RJ
Barsuk, S
Barter, W
Bartolini, M
Baryshnikov, F
Batozskaya, V
Batsukh, B
Battig, A
Battista, V
Bay, A
Bedeschi, F
Bediaga, I
Beiter, A
Bel, LJ
Belin, S
Beliy, N
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Bencivenni, G
Ben-Haim, E
Benson, S
Beranek, S
Berezhnoy, A
Bernet, R
Berninghoff, D
Bertholet, E
Bertolin, A
Betancourt, C
Betti, F
Bettler, MO
Bezshyiko, I
Bhasin, S
Bhom, J
Bieker, MS
Bifani, S
Billoir, P
Birnkraut, A
Bizzeti, A
Bjorn, M
Blago, MP
Blake, T
Blanc, F
Blusk, S
Bobulska, D
Bocci, V
Boente Garcia, O
Boettcher, T
Bondar, A
Bondar, N
Borghi, S
Borisyak, M
Borsato, M
Boubdir, M
Bowcock, TJ
Bozzi, C
Braun, S
Brodski, M
Brodzicka, J
Gonzalo, AB
Brundu, D
Buchanan, E
Buonaura, A
Burr, C
Bursche, A
Butter, JS
Buytaert, J
Byczynski, W
Cadeddu, S
Cai, H
Calabrese, R
Cali, S
Calladine, R
Calvi, M
Calvo Gomez, M
Camboni, A
Campana, P
Perez, DHC
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carniti, P
Carvalho Akiba, K
Casse, G
Cattaneo, M
Cavallero, G
Cenci, R
Chapman, MG
Charles, M
Charpentier, P
Chatzikonstantinidis, G
Chefdeville, M
Chekalina, V
Chen, C
Chen, S
Chitic, S-G
Chobanova, V
Chrzaszcz, M
Chubykin, A
Ciambrone, P
Cid Vidal, X
Ciezarek, G
Cindolo, F
Clarke, PEL
Clemencic, M
Cliff, H
Closier, J
Coco, V
Coelho, JAB
Cogan, J
Cogneras, E
Cojocariu, L
Collins, P
Colombo, T
Comerma-Montells, A
Contu, A
Coombs, G
Coquereau, S
Corti, G
Sobral, CMC
Couturier, B
Cowan, GA
Craik, DC
Crocombe, A
Cruz Torres, M
Currie, R
Silva, CL
Dall'Occo, E
Dalseno, J
D'Ambrosio, C
Danilina, A
D'Argent, P
Davis, A
Francisco, ODA
De Bruyn, K
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Serio, M
De Simone, P
De Vries, JA
Dean, CT
Dean, W
Decamp, D
Del Buono, L
Delaney, B
Dembinski, H-P
Demmer, M
Dendek, A
Derkach, D
Deschamps, O
Desse, F
Dettori, F
Dey, B
Di Canto, A
Di Nezza, P
Didenko, S
Dijkstra, H
Dordei, F
Dorigo, M
Dos Reis, AC
Dosil Suarez, A
Douglas, L
Dovbnya, A
Dreimanis, K
Dufour, L
Dujany, G
Durante, P
Durham, JM
Dutta, D
Dzhelyadin, R
Dziewiecki, M
Dziurda, A
Dzyuba, A
Easo, S
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
Ekelhof, R
Eklund, L
Ely, S
Ene, A
Escher, S
Esen, S
Evans, T
Falabella, A
Farber, C
Farley, N
Farry, S
Fazzini, D
Feo, M
Declara, PF
Fernandez Prieto, A
Ferrari, F
Lopes, LF
Ferreira Rodrigues, F
Sole, SF
Ferro-Luzzi, M
Filippov, S
Fini, RA
Fiorini, M
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fleuret, F
Fontana, M
Fontanelli, F
Forty, R
Lima, VF
Frank, M
Frei, C
Fu, J
Funk, W
Gabriel, E
Gallas Torreira, A
Galli, D
Gallorini, S
Gambetta, S
Gan, Y
Gandelman, M
Gandini, P
Gao, Y
Garcia Martin, LM
Pardinas, JG
Garcia Plana, B
Tico, JG
Garrido, L
Gascon, D
Gaspar, C
Gazzoni, G
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Gerstel, D
Ghez, P
Gibson, V
Girard, OG
Gironella Gironell, P
Giubega, L
Gizdov, K
Gligorov, VV
Gobel, C
Golubkov, D
Golutvin, A
Gomes, A
Gorelov, I
Gotti, C
Govorkova, E
Grabowski, JP
Graciani Diaz, R
Cardoso, LAG
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Greim, R
Griffith, P
Grillo, L
Gruber, L
Cazon, BRG
Gu, C
Gushchin, E
Guth, A
Guz, Y
Gys, T
Hadavizadeh, T
Hadjivasiliou, C
Haefeli, G
Haen, C
Haines, SC
Hamilton, B
Han, Q
Han, X
Hancock, TH
Hansmann-Menzemer, S
Harnew, N
Harrison, T
Hasse, C
Hatch, M
He, J
Hecker, M
Heinicke, K
Heister, A
Hennessy, K
Henry, L
He, M
Heuel, J
Hicheur, A
Charman, RH
Hill, D
Hilton, M
Hopchev, PH
Hu, J
Hu, W
Huang, W
Huard, ZC
Hulsbergen, W
Humair, T
Hushchyn, M
Hutchcroft, D
Hynds, D
Ibis, P
Idzik, M
Ilten, P
Inglessi, A
Inyakin, A
Ivshin, K
Jacobsson, R
Jakobsen, S
Jalocha, J
Jans, E
Jashal, BK
Jawahery, A
Jiang, F
John, M
Johnson, D
Jones, CR
Joram, C
Jost, B
Jurik, N
Kandybei, S
Karacson, M
Kariuki, JM
Karodia, S
Kazeev, N
Kecke, M
Keizer, F
Kelsey, M
Kenzie, M
Ketel, T
Khanji, B
Kharisova, A
Khurewathanakul, C
Kim, KE
Kirn, T
Kirsebom, VS
Klaver, S
Klimaszewski, K
Koliiev, S
Kolpin, M
Kopecna, R
Koppenburg, P
Kostiuk, I
Kot, O
Kotriakhova, S
Kozeiha, M
Kravchuk, L
Kreps, M
Kress, F
Kretzschmar, S
Krokovny, P
Krupa, W
Krzemien, W
Kucewicz, W
Kucharczyk, M
Kudryavtsev, V
Kunde, GJ
Kuonen, AK
Kvaratskheliya, T
Lacarrere, D
Lafferty, G
Lai, A
Lancierini, D
Lanfranchi, G
Langenbruch, C
Latham, T
Lazzeroni, C
Le Gac, R
Lefvre, R
Leflat, A
Lemaitre, F
Leroy, O
Lesiak, T
Leverington, B
Li, H
Li, P-R
Li, X
Li, Y
Li, Z
Liang, X
Likhomanenko, T
Lindner, R
Lionetto, F
Lisovskyi, V
Liu, G
Liu, X
Loh, D
Loi, A
Longstaff, I
Lopes, JH
Loustau, G
Lovell, GH
Lucchesi, D
Lucio Martinez, M
Luo, Y
Lupato, A
Luppi, E
Lupton, O
Lusiani, A
Lyu, X
Machefert, F
Maciuc, F
Macko, V
Mackowiak, P
Maddrell-Mander, S
Maev, O
Maguire, K
Maisuzenko, D
Majewski, MW
Malde, S
Malecki, B
Malinin, A
Maltsev, T
Malygina, H
Manca, G
Mancinelli, G
Marangotto, D
Maratas, J
Marchand, JF
Marconi, U
Benito, CM
Marinangeli, M
Marino, P
Marks, J
Marshall, PJ
Martellotti, G
Martinelli, M
Martinez Santos, D
Martinez Vidal, F
Massafferri, A
Materok, M
Matev, R
Mathad, A
Mathe, Z
Matiunin, V
Matteuzzi, C
Mattioli, KR
Mauri, A
Maurice, E
Maurin, B
McCann, M
McNab, A
McNulty, R
Mead, J
Meadows, B
Meaux, C
Meinert, N
Melnychuk, D
Merk, M
Merli, A
Michielin, E
Milanes, DA
Millard, E
Minard, M-N
Minzoni, L
Mitzel, DS
Moedden, A
Mogini, A
Moise, RD
Mombaecher, T
Monroy, IA
Monteil, S
Morandin, M
Morello, G
Morello, MJ
Moron, J
Morris, AB
Mountain, R
Mu, H
Muheim, F
Mukherjee, M
Mulder, M
Mueller, D
Mueller, J
Mueller, K
Mueller, V
Murphy, CH
Murray, D
Naik, P
Nakada, T
Nandakumar, R
Nandi, A
Nanut, T
Nasteva, I
Needham, M
Neri, N
Neubert, S
Neufeld, N
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Nguyen-Mau, C
Nieswand, S
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Nikitin, N
Nolte, NS
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Ogilvy, S
O'Hanlon, DP
Oldeman, R
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Velthuis, JJ
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Barbosa, JVV
Vieira, D
Vieites Diaz, M
Viemann, H
Vilasis-Cardona, X
Vitkovskiy, A
Vitti, M
Volkov, V
Vollhardt, A
Vom Bruch, D
Voneki, B
Vorobyev, A
Vorobyev, V
Voropaev, N
Waldi, R
Walsh, J
Wang, J
Wang, M
Wang, Y
Wang, Z
Ward, DR
Wark, HM
Watson, NK
Websdale, D
Weiden, A
Weisser, C
Whitehead, M
Wilkinson, G
Wilkinson, M
Williams, I
Williams, M
Williams, MRJ
Williams, T
Wilson, FF
Winn, M
Wislicki, W
Witek, M
Wormser, G
Wotton, SA
Wyllie, K
Xiao, D
Xie, Y
Xing, H
Xu, A
Xu, L
Xu, M
Xu, Q
Xu, Z
Yang, Z
Yao, Y
Yeomans, LE
Yin, H
Yu, J
Yuan, X
Yushchenko, O
Zarebski, KA
Zavertyaev, M
Zeng, M
Zhang, D
Zhang, L
Zhang, S
Zhang, WC
Zhang, Y
Zhelezov, A
Zheng, Y
Zhu, X
Zhukov, V
Zonneveld, JB
Zucchelli, S
Item Type: Journal Article
Abstract: The production of charged hadrons within jets recoiling against a Z boson is measured in proton-proton collision data at √ s = 8     TeV recorded by the LHCb experiment. The charged-hadron structure of the jet is studied longitudinally and transverse to the jet axis for jets with transverse momentum p T > 20     GeV and in the pseudorapidity range 2.5 < η < 4 . These are the first measurements of jet hadronization at these forward rapidities and also the first where the jet is produced in association with a Z boson. In contrast to previous hadronization measurements at the Large Hadron Collider, which are dominated by gluon jets, these measurements probe predominantly light-quark jets which are found to be more longitudinally and transversely collimated with respect to the jet axis when compared to the previous gluon dominated measurements. Therefore, these results provide valuable information on differences between quarks and gluons regarding nonperturbative hadronization dynamics.
Issue Date: 4-Dec-2019
Date of Acceptance: 20-Nov-2019
URI: http://hdl.handle.net/10044/1/79908
DOI: 10.1103/PhysRevLett.123.232001
ISSN: 0031-9007
Publisher: American Physical Society
Start Page: 232001-1
End Page: 232001-11
Journal / Book Title: Physical Review Letters
Volume: 123
Issue: 23
Copyright Statement: © 2019 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
TRANSVERSE-MOMENTUM
DRELL-YAN
DECAY
FRAGMENTATION
PI(+/-)
GLUON
QUARK
LHCb Collaboration
Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
TRANSVERSE-MOMENTUM
DRELL-YAN
DECAY
FRAGMENTATION
PI(+/-)
GLUON
QUARK
hep-ex
hep-ex
General Physics
01 Mathematical Sciences
02 Physical Sciences
09 Engineering
Publication Status: Published
Open Access location: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.123.232001
Article Number: ARTN 232001
Online Publication Date: 2019-12-04
Appears in Collections:Physics
High Energy Physics