Author: J. S. Ennis

0000000000209184

AUTHOR

J. S. Ennis

The ATLAS Data Acquisition and High Level Trigger system

Journal of Instrumentation 11(06), P06008 (2016). doi:10.1088/1748-0221/11/06/P06008

Measurement of photon?jet transverse momentum correlations in 5.02 TeV Pb + Pb and pp collisions with ATLAS

Jets created in association with a photon can be used as a calibrated probe to study energy loss in the medium created in nuclear collisions. Measurements of the transverse momentum balance between isolated photons and inclusive jets are presented using integrated luminosities of 0.49 nb−1 of Pb + Pb collision data at TeV and 25 pb−1 of pp collision data at TeV recorded with the ATLAS detector at the LHC. Photons with transverse momentum GeV and are paired with all jets in the event that have GeV and pseudorapidity . The transverse momentum balance given by the jet-to-photon ratio, , is measured for pairs with azimuthal opening angle . Distributions of the per-photon jet yield as a function…

research product

PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
  - PE2_1Theory of fundamental interactions
  - PE2_2 Phenomenology of fundamental interactions
  - PE2_3Experimental particle physics with accelerators
  - PE2_4Experimental particle physics without accelerators
  - PE2_6Nuclear, hadron and heavy ion physics
  - PE2_8Gas and plasma physics
  - PE2_5Classical and quantum physics of gravitational interactions
  - PE2_7Nuclear and particle astrophysics
  - PE2_9 Electromagnetism
  - PE2_10Atomic, molecular physics
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  - PE2_18Equilibrium and non-equilibrium statistical mechanics: steady states and dynamics
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  - PE2_13Quantum optics and quantum information
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- PE1Mathematics
  - PE1_1Logic and foundations
  - PE1_6Geometry and global analysis
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  - PE1_10ODE and dynamical systems
  - PE1_12Mathematical physics
  - PE1_11Theoretical aspects of partial differential equations
  - PE1_13Probability
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  - PE1_15Generic statistical methodology and modelling
  - PE1_4 Algebraic and complex geometry
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  - PE1_2Algebra
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  - PE11_12Semi-conducting and magnetic materials engineering
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  - PE11_14Computational methods for materials engineering
LSLife Sciences
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  - LS1_14Innovative methods and modelling in molecular, structural and synthetic biology
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- LS2Integrative Biology: from Genes and Genomes to Systems
  - LS2_1Genetics
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- LS5Neuroscience and Disorders of the Nervous System
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SHSocial Sciences and Humanities
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