Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2

H. Bertelsen; G. Carrillo Montoya; P. O. Deviveiros; T. Eifert; G. Galster; J. Glatzer; S. Haas; A. Marzin; M. V. Silva Oliveira; T. Pauly; K. Schmieden; R. Spiwoks; J. Stelzer

doi:10.1088/1748-0221/11/02/C02020

Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2

H. Bertelsen, G. Carrillo Montoya, P. O. Deviveiros, T. Eifert, G. Galster, J. Glatzer, S. Haas, A. Marzin^*, M. V. Silva Oliveira, T. Pauly, K. Schmieden, R. Spiwoks, J. Stelzer

^*Corresponding author for this work

3 Citations (Scopus)

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Abstract

The ATLAS Central Trigger Processor (CTP) is responsible for forming the Level-1 trigger decision based on the information from the calorimeter and muon trigger processors. In order to cope with the increase of luminosity and physics cross-sections in Run 2, several components of this system have been upgraded. In particular, the number of usable trigger inputs and trigger items have been increased from 160 to 512 and from 256 to 512, respectively. The upgraded CTP also provides extended monitoring capabilities and allows to operate simultaneously up to three independent combinations of sub-detectors with full trigger functionality, which is particularly useful for commissioning, calibration and test runs. The software has also undergone a major upgrade to take advantage of all these new functionalities. An overview of the commissioning and the operation of the upgraded CTP during the LHC Run 2 is given.

Original language	English
Article number	C02020
Journal	Journal of Instrumentation
Volume	11
Issue number	2
ISSN	1748-0221
DOIs	https://doi.org/10.1088/1748-0221/11/02/C02020
Publication status	Published - 8 Feb 2016

Keywords

Control and monitor systems online
Trigger algorithms
Trigger concepts and systems (hardware and software)

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10.1088/1748-0221/11/02/C02020Licence: CC BY

Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2Final published version, 1.1 MBLicence: CC BY

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title = "Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2",

abstract = "The ATLAS Central Trigger Processor (CTP) is responsible for forming the Level-1 trigger decision based on the information from the calorimeter and muon trigger processors. In order to cope with the increase of luminosity and physics cross-sections in Run 2, several components of this system have been upgraded. In particular, the number of usable trigger inputs and trigger items have been increased from 160 to 512 and from 256 to 512, respectively. The upgraded CTP also provides extended monitoring capabilities and allows to operate simultaneously up to three independent combinations of sub-detectors with full trigger functionality, which is particularly useful for commissioning, calibration and test runs. The software has also undergone a major upgrade to take advantage of all these new functionalities. An overview of the commissioning and the operation of the upgraded CTP during the LHC Run 2 is given.",

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AU - Bertelsen, H.

AU - Montoya, G. Carrillo

AU - Deviveiros, P. O.

AU - Eifert, T.

AU - Galster, G.

AU - Glatzer, J.

AU - Haas, S.

AU - Marzin, A.

AU - Oliveira, M. V. Silva

AU - Pauly, T.

AU - Schmieden, K.

AU - Spiwoks, R.

AU - Stelzer, J.

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AB - The ATLAS Central Trigger Processor (CTP) is responsible for forming the Level-1 trigger decision based on the information from the calorimeter and muon trigger processors. In order to cope with the increase of luminosity and physics cross-sections in Run 2, several components of this system have been upgraded. In particular, the number of usable trigger inputs and trigger items have been increased from 160 to 512 and from 256 to 512, respectively. The upgraded CTP also provides extended monitoring capabilities and allows to operate simultaneously up to three independent combinations of sub-detectors with full trigger functionality, which is particularly useful for commissioning, calibration and test runs. The software has also undergone a major upgrade to take advantage of all these new functionalities. An overview of the commissioning and the operation of the upgraded CTP during the LHC Run 2 is given.

KW - Control and monitor systems online

KW - Trigger algorithms

KW - Trigger concepts and systems (hardware and software)

U2 - 10.1088/1748-0221/11/02/C02020

DO - 10.1088/1748-0221/11/02/C02020

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SN - 1748-0221

VL - 11

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 2

M1 - C02020

ER -

Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2

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Keywords

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