Y. Roh

Texas Tech University

Author Statistics

Papers

Citation

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i-10 index

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Document Type

Co-Authors

T. Rovelli

Istituto Nazionale di Fisica Nucleare, Sezione di Bologna

P. Zalewski

National Centre for Nuclear Research

P. Martínez Ruiz del Árbol

Instituto de Física de Cantabria

R. Gonzalez Suarez

Uppsala University

G. A. Alves

Centro Brasileiro de Pesquisas Físicas

F. Ligabue

Istituto Nazionale di Fisica Nucleare, Sezione di Pisa

F. Blekman

Vrije Universiteit Brussel

A. Vilela Pereira

Universidade do Estado do Rio de Janeiro

C. Battilana

Istituto Nazionale di Fisica Nucleare, Sezione di Bologna

W. Karpiński

FH Aachen

Cooperative Institutions

Institute of High Energy Physics

1,829

European Organization for Nuclear Research

1,642

A. Alikhanyan National Laboratory

1,081

University of Antwerp

864

Fermi National Accelerator Laboratory

350

Austrian Academy of Sciences

301

UCLouvain

246

Centre National de la Recherche Scientifique

223

RWTH Aachen University

213

University of Wisconsin–Madison

173

Author Statistics

Papers

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Research Field

CMS data processing workflows during an extended cosmic ray run

Journal of Instrumentation (2010)

S. Chatrchyan V. Khachatryan A. M. Sirunyan W. Adam B. Arnold

The CMS Collaboration conducted a month-long data taking exercise, the Cosmic Run At Four Tesla, during October-November 2008, with the goal of commissioning the experiment for extended operation. With all installed detector systems participating, CMS recorded 270 million cosmic ray events with the solenoid at a magnetic field strength of 3.8 T. This paper describes the data flow from the detector through the various online and offline computing systems, as well as the workflows used for recording the data, for aligning and calibrating the detector, and for analysis of the data.

Data Processing

Compact Muon Solenoid

Solenoid

10.1088/1748-0221/5/03/t03006

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Citations (38)

Alignment of the CMS tracker with LHC and cosmic ray data

Journal of Instrumentation (2014)

S. Chatrchyan V. Khachatryan A. M. Sirunyan A. Tumasyan W. Adam

The central component of the CMS detector is the largest silicon tracker ever built. The precise alignment of this complex device is a formidable challenge, and only achievable with a significant extension of the technologies routinely used for tracking detectors in the past. This article describes the full-scale alignment procedure as it is used during LHC operations. Among the specific features of the method are the simultaneous determination of up to 200,000 alignment parameters with tracks, the measurement of individual sensor curvature parameters, the control of systematic misalignment effects, and the implementation of the whole procedure in a multi-processor environment for high execution speed. Overall, the achieved statistical accuracy on the module alignment is found to be significantly better than 10 micrometers.

Tracking (education)

Component (thermodynamics)

Tracking system

10.1088/1748-0221/9/06/p06009

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Citations (49)