期刊
JOURNAL OF INSTRUMENTATION
卷 11, 期 -, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-0221/11/11/P11020
关键词
Detector modelling and simulations I (interaction of radiation with matter, interaction; of photons with matter, interaction of hadrons with matter, etc); Performance of High Energy Physics Detectors
资金
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- NRC, Canada
- CFI, Canada
- CERN
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- MPO CR, Czech Republic
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- IN2P3-CNRS, France
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
- ISF, Israel
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia
- NRC KI
- Russian Federation
- JINR
- MESTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SERI, Switzerland
- SNSF,Switzerland
- Cantons of Bern and Geneva, Switzerland
- MOST, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- DOE, United States of America
- NSF, United States of America
- BCKDF
- Canada Council
- CANARIE
- CRC
- Compute Canada
- FQRNT
- Ontario Innovation Trust, Canada
- EPLANET
- ERC
- FP7
- Horizon
- Marie Sklodowska-CurieActions
- European Union
- Investissements d'Avenir Labex and Idex, France
- ANR, France
- Region Auvergne, France
- Fondation Partager le Savoir, France
- DFG, Germany
- AvH Foundation, Germany
- Herakleitos
- Thales
- Aristeia programme - EU-ESF
- Aristeia programme - Greek NSRF
- BSF, Israel
- GIF, Israel
- Minerva, Israel
- BRF, Norway
- Generalitat de Catalunya, Spain
- Generalitat Valenciana, Spain
- Royal Society and Leverhulme Trust, United Kingdom
- ATLAS Tier-1 facilities at TRIUMF (Canada)
- NDGF (Denmark, Norway, Sweden)
- CC-IN2P3 (France)
- KIT/GridKA (Germany)
- INFN-CNAF(Italy)
- NL-T1 (Netherlands)
- PIC (Spain)
- ASGC (Taiwan)
- RAL (U.K.)
- BNL (U.S.A.)
- ICREA Funding Source: Custom
- STFC [ST/L001144/1, ST/L005662/1, ST/K003666/1, ST/M006417/1, ST/L006162/1, ST/I005846/1, ST/P00265X/1, ST/J004804/1, ST/J005533/1, ST/N000307/1, ST/M000753/1, ST/L000997/1, ST/N000463/1, ST/N000331/1, ST/N000420/1, ST/K001361/1, ST/N000277/1, ST/N000234/1, ST/L003449/1, ST/K001329/1, ST/M001431/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I005846/1, 1366825, ST/K001361/1, ST/L000997/1, ST/M006417/1, ST/K001329/1 ATLAS, ST/L006162/1, ST/J005533/1, ST/J004804/1, ST/N000234/1, ST/M001431/1, ST/M000753/1, ST/N000463/1, ST/N000277/1, ATLAS, ST/K001329/1, ST/L003449/1, ST/K003666/1, ST/P00265X/1, GRIDPP, PP/E000444/1, ST/N000420/1, ST/L005662/1, ST/N000331/1, ST/N000307/1, ST/L001144/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1119200] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1410972] Funding Source: National Science Foundation
Knowledge of the material in the ATLAS inner tracking detector is crucial in under-standing the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in searches for exotic particles that can decay within the inner detector volume. Interactions of primary hadrons produced in pp collisions with the material in the inner detector are used to map the location and amount of this material. The hadronic interactions of primary particles may result in secondary vertices, which in this analysis are reconstructed by an inclusive vertex-finding algorithm. Data were collected using minimum-bias triggers by the ATLAS detector operating at the LHC during 2010 at centre-of-mass energy root s = 7 TeV, and correspond to an integrated luminosity of 19 nb(-1). Kinematic properties of these secondary vertices are used to study the validity of the modelling of hadronic interactions in simulation. Secondary-vertex yields are compared between data and simulation over a volume of about 0.7m(3) around the interaction point, and agreement is found within overall uncertainties.
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