Development of a Silicon Vertex Tracker for the Electron-ion Collider PDF Download

Author: Håkan Lennart Olov Wennlöf
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Category :
Languages : en
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Author: W. E. Cooper
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Category :
Languages : en
Pages : 6

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A design for the silicon tracker for SiD was proposed at the Victoria Linear Collider Workshop [1]. This paper describes development of that design by the SiD group into a baseline model for simulation studies. The design has been modified to take into account detector fabrication and servicing requirements, features specific to the vertex chamber, and detector elements in the region surrounding the silicon tracker.

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Languages : en
Pages : 1284

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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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Category : History
Languages : en
Pages : 1782

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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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Category : Federal aid to energy development
Languages : en
Pages : 1284

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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
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Category : Federal aid to energy development
Languages : en
Pages : 1364

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Languages : en
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We propose the construction of a Silicon Vertex Tracker (VTX) for the PHENIX experiment at RHIC. The VTX will substantially enhance the physics capabilities of the PHENIX central arm spectrometers. Our prime motivation is to provide precision measurements of heavy-quark production (charm and beauty) in A+A, p(d)+A, and polarized p+p collisions. These are key measurements for the future RHIC program, both for the heavy ion program as it moves from the discovery phase towards detailed investigation of the properties of the dense nuclear medium created in heavy ion collisions, and for the exploration of the nucleon spin-structure functions. In addition, the VTX will also considerably improve other measurements with PHENIX. The main physics topics addressed by the VTX are: (1) Hot and dense strongly interacting matter--Potential enhancement of charm production; Open beauty production; Flavor dependence of jet quenching and QCD energy loss; Accurate charm reference for quarkonium; Thermal dilepton radiation; High p[sub T] phenomena with light flavors above 10-15 GeV/c in p[sub T]; and Upsilon spectroscopy in the e[sup+]e[sup -] decay channel. (2) Gluon spin structure of the nucleon--[Delta]G/G with charm;[Delta]G/G with beauty; and x dependence of[Delta]G/G with[gamma]-jet correlations. (3) Nucleon structure in nuclei--Gluon shadowing over broad x-range. With the present PHENIX detector, heavy-quark production has been measured indirectly through the observation of single electrons. These measurements are inherently limited in accuracy by systematic uncertainties resulting from the large electron background from Dalitz decays and photon conversions. In particular, the statistical nature of the analysis does not allow for a model-independent separation of the charm and beauty contributions. The VTX detector will provide vertex tracking with a resolution of

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Languages : en
Pages : 1476

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Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water, and Related Agencies
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Category : Energy development
Languages : en
Pages : 1800

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Languages : en
Pages : 10

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The Silicon Vertex Tracker (SVT), currently being built for the CDF II experiment, is a hardware device that reconstructs 2-D tracks online using measurements from the Silicon Vertex Detector (SVXII) and the Central Outer Tracker (COT). The precise measurement of the impact parameter of the SVT tracks will allow, for the first time in a hadron collider environment, to trigger on events containing B hadrons that are very important for many studies, such as CP violation in the b sector and searching for new heavy particles decaying to b{bar b}. In this report we describe the overall architecture, algorithms and the hardware implementation of the SVT.