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The shape of jets produced in quasi-real photon-proton collisions at centre-of-mass energies in the range 134-277 GeV has been measured using the hadronic energy flow. The measurement was done with the ZEUS detector at HERA. Jets are identified using a cone algorithm in the eta - phi plane with a cone radius of one unit. Measured jet shapes both in inclusive jet and dijet production with transverse energies E(T)(jet) > 14 GeV are presented. The jet shape broadens as the jet pseudorapidity (eta(jet)) increases and narrows as E(T)(jet) increases. In dijet photoproduction, the jet shapes have been measured separately for samples dominated by resolved and by direct processes, Leading-logarithm parton-shower Monte Carlo calculations of resolved and direct processes describe well the measured jet shapes except for the inclusive production of jets with high eta(jet) and low E(T)(jet). The observed broadening of the jet shape as eta(jet) increases is consistent with the predicted increase in the fraction of final state gluon jets. RI De Pasquale, Salvatore/B-9165-2008; Wing, Matthew/C-2169-2008; Bashkirov, Vladimir/A-4818-2008; Doyle, Anthony/C-5889-2009; Gladilin, Leonid/B-5226-2011; Golubkov, Yury/E-1643-2012
The shape of jets produced in quasi-real photon-proton collisions at centre-of-mass energies in the range 134-277 GeV has been measured using the hadronic energy flow. The measurement was done with the ZEUS detector at HERA. Jets are identified using a cone algorithm in the eta - phi plane with a cone radius of one unit. Measured jet shapes both in inclusive jet and dijet production with transverse energies E(T)(jet) > 14 GeV are presented. The jet shape broadens as the jet pseudorapidity (eta(jet)) increases and narrows as E(T)(jet) increases. In dijet photoproduction, the jet shapes have been measured separately for samples dominated by resolved and by direct processes, Leading-logarithm parton-shower Monte Carlo calculations of resolved and direct processes describe well the measured jet shapes except for the inclusive production of jets with high eta(jet) and low E(T)(jet). The observed broadening of the jet shape as eta(jet) increases is consistent with the predicted increase in the fraction of final state gluon jets.
Measurement of jet shapes in photoproduction at HERA
The shape of jets produced in quasi-real photon-proton collisions at centre-of-mass energies in the range 134-277 GeV has been measured using the hadronic energy flow. The measurement was done with the ZEUS detector at HERA. Jets are identified using a cone algorithm in the eta - phi plane with a cone radius of one unit. Measured jet shapes both in inclusive jet and dijet production with transverse energies E(T)(jet) > 14 GeV are presented. The jet shape broadens as the jet pseudorapidity (eta(jet)) increases and narrows as E(T)(jet) increases. In dijet photoproduction, the jet shapes have been measured separately for samples dominated by resolved and by direct processes, Leading-logarithm parton-shower Monte Carlo calculations of resolved and direct processes describe well the measured jet shapes except for the inclusive production of jets with high eta(jet) and low E(T)(jet). The observed broadening of the jet shape as eta(jet) increases is consistent with the predicted increase in the fraction of final state gluon jets.
The shape of jets produced in quasi-real photon-proton collisions at centre-of-mass energies in the range 134-277 GeV has been measured using the hadronic energy flow. The measurement was done with the ZEUS detector at HERA. Jets are identified using a cone algorithm in the eta - phi plane with a cone radius of one unit. Measured jet shapes both in inclusive jet and dijet production with transverse energies E(T)(jet) > 14 GeV are presented. The jet shape broadens as the jet pseudorapidity (eta(jet)) increases and narrows as E(T)(jet) increases. In dijet photoproduction, the jet shapes have been measured separately for samples dominated by resolved and by direct processes, Leading-logarithm parton-shower Monte Carlo calculations of resolved and direct processes describe well the measured jet shapes except for the inclusive production of jets with high eta(jet) and low E(T)(jet). The observed broadening of the jet shape as eta(jet) increases is consistent with the predicted increase in the fraction of final state gluon jets. RI De Pasquale, Salvatore/B-9165-2008; Wing, Matthew/C-2169-2008; Bashkirov, Vladimir/A-4818-2008; Doyle, Anthony/C-5889-2009; Gladilin, Leonid/B-5226-2011; Golubkov, Yury/E-1643-2012
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/145200
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.
