The CDF Run IIb Silicon Detector: Design, preproduction, and performance

Aoki, M.; Azzi, P.; Bacchetta, N.; Behari, S.; Benjamin, D.; Bisello, D.; Bolla, G.; Bortoletto, D.; Burghard, A.; Busetto, G.; Cabrera, S.; Canepa, A.; Cardoso, Guilherme; Chertok, M.; Ciobanu, C. I.; Derylo, G.; Fang, I.; Feng, E. J.; Fernández, J. P.; Flaugher, B.; Freeman, J.; Galtieri, L.; Galyardt, J.; Garcia-Sciveres, M.; Giurgiu, G.; Gorelov, I.; Haber, C.; Hale, D.; Hara, K.; Harr, R.; Hill, C. S.; Hoeferkamp, M. R.; Hoff, J.; Hong, Seongbin; Hrycyk, M.; Hsiung, T.H.; Incandela, J.; Jeon, E. J.; Joo, K. K.; Junk, T. R.; Kahkola, H.; Karjalainen, Sakari; Kim, S.; Kobayashi, Kenichi; Kong, D. J.; Krieger, B.; Kruse, M. C.; Кузнецова, Н.; Kyre, S.; Lander, R.; Landry, Timothy R.; Lauhakangas, R.; Lee, J.; Lu, R.-S.; Lujan, P.; Lukens, P.; Mandelli, E.; Manea, C.; Maksimović, P.; Merkel, P.; Min, So-Ra; Moccia, S.; Nakano, I.; Naoumov, D.; Nelson, T. K.; Nord, B.; Novák, J.; Okusawa, T.; Orava, R.; Orlov, Y.; Österberg, K.; Pantano, D.; Pavlicek, V.; Pellett, D.; Pursley, J.; Riipinen, P.; Schuyler, B.; Seidel, S. C.; Shenai, A.; Soha, A.; Stuart, D.; Tanaka, R.; Tavi, M.; Lippe, H. von der; Walder, J.; Wang, Z.; Watje, P.; Weber, M.; Wester, W. C.; Yamamoto, K.; Yang, Y. C.; Yao, W-M.; Yarema, R.; Yun, J. C.; Zetti, F.; Zimmerman, T.; Zimmermann, S.; Zucchelli, S.

doi:10.1016/j.nima.2005.11.046

Cited by 11 publications

(12 citation statements)

References 36 publications

(19 reference statements)

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“…All these measurements benefit from a high-resolution tracking detector and many rely heavily on the efficient identification of heavy quarks by detection of displaced secondary vertices, and are enhanced by the capability to trigger on tracks originating away from the beam. The CDF silicon detector was designed to withstand radiation doses up to 2 MRad (0.02 Gy), the dose expected during the first 2-5 years of CDF operations, with replacement of inner layers planned in 2004 [6]. However, the upgrade project was canceled in 2003, and Run II was later extended into late 2011, with total delivered integrated luminosity of 12 fb −1 .…”

Section: End-plug Electromagneticmentioning

confidence: 99%

Operational experience, improvements, and performance of the CDF Run II silicon vertex detector

Aaltonen

Behari

Boveia

et al. 2013

Nuclear Instruments and Methods in Physics Research Section A:

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The Collider Detector at Fermilab (CDF) pursues a broad physics program at Fermilab's Tevatron collider. Between Run II commissioning in early 2001 and the end of operations in September 2011, the Tevatron delivered 12 fb −1 of integrated luminosity of pp collisions at √ s = 1.96 TeV. The physics at CDF includes precise measurements of the masses of the top quark and W boson, measurement of CP violation and B s mixing, and searches for Higgs bosons and new physics signatures, all of which require heavy flavor tagging with large charged particle tracking acceptance. To realize these goals, in 2001 CDF installed eight layers of silicon microstrip detectors around its interaction region. These detectors were designed for 2-5 years of operation, radiation doses up to 2 Mrad (0.02 Gy), and were expected to be replaced in 2004. The sensors were not replaced, and the Tevatron run was extended for several years beyond its design, exposing the sensors and electronics to much higher radiation doses than anticipated. In this paper we describe the operational challenges encountered over the past 10 years of running the CDF silicon detectors, the preventive measures undertaken, and the improvements made along the way to ensure their optimal performance for collecting high quality physics data. In addition, we describe the quantities and methods used to monitor radiation damage in the sensors for optimal performance and summarize the detector performance quantities important to CDF's physics program, including vertex resolution, heavy flavor tagging, and silicon vertex trigger performance.

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Section: End-plug Electromagneticmentioning

confidence: 99%

Operational experience, improvements, and performance of the CDF Run II silicon vertex detector

Aaltonen

Behari

Boveia

et al. 2013

Nuclear Instruments and Methods in Physics Research Section A:

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“…The first part of charged particle tracking is handled by a silicon microstrip detector [31]. This detector is used for precision tracking and the identification of secondary vertices which are used to identify heavy flavor quarks.…”

Section: Silicon Trackingmentioning

confidence: 99%

Measurements of the Top Anti-Top Production Cross Section and Top Quark Mass in the Hadronically Decaying Tau + Jets Decay Channel at CDF

Hare

2011

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fraction of nearly 10%, the hadronic τ + jets decay channel is the third largest tt decay mode, and it has only been minimally explored. This the first measurement of the tt pair production cross section in this decay channel at CDF and the first measurement of the top quark mass in this decay channel in the world. The analysis introduces a new method to recover the total momentum of the ν produced in the τ decay and an artificial neural network to reduce the contribution from the largest background source, QCD multijet background. The tt pair production cross section is extracted by minimizing a negative log likelihood function which compares the number of observed events to the number of expected events for a given tt cross section. The top quark mass is extracted by minimizing a negative log likelihood function built from signal and ii background probabilities which are based on the matrix elements for tt production and

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“…The L00 detector consists of just a single layer of silicon strips mounted directly on the beampipe, at a radial distance of just 2.5 cm from the interaction point. The expected hit resolution for this sub-detector is the best of any silicon layer, at 7.2 µm [9]. Moving outward from L00, one will encounter the SVX detector, consisting of five separate layers placed at radial distances of between approximately 4 and 17 cm from the interaction point.…”

Section: Silicon Systemsmentioning

confidence: 99%

“…Moving outward from L00, one will encounter the SVX detector, consisting of five separate layers placed at radial distances of between approximately 4 and 17 cm from the interaction point. The SVX hit resolution is slightly higher than that of L00 at 10.8 µm [9]. Using the information from additional axial sensors, one can obtain the z-coordinate of a hit position with a resolution of 780 µm using the L00 and SVX detectors together.…”

Section: Silicon Systemsmentioning

confidence: 99%

Search for the Higgs Boson in the $ZH\to\mu^+\mu^- b\bar{b}$ Channel at CDF Using Novel Multivariate Techniques

Pilot

2011

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FERMILAB-PUB-11-585-E(2011) "Search for a Higgs Boson in the Diphoton Final State in pp Collisions at s = 1.96 TeV" T. Aaltonen et al. [CDF Collaboration] arXiv:1109.4427 [Unknown] FERMILAB-PUB-11-482-E-PPD(2011) "Search for heavy metastable particles decaying to jet pairs in pp collisions at s = 1.96 TeV" T. Aaltonen et al. [CDF Collaboration] arXiv:1109.3136 [hep-ex] FERMILAB-PUB-11-451-E-PPD(2011) (Submitted to Phys.Rev.Lett.) "Top-quark mass measurement using events with missing transverse energy and jets at CDF" T. Aaltonen et al. [CDF Collaboration] arXiv:1109.1490 [hep-ex] FERMILAB-PUB-11-422-E-PPD(2011) "Measurements of branching fraction ratios and CP-asymmetries in suppressed B − → D(→ K + π − )K − and B − → D(→ K + π − )π − decays" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.5765 [hep-ex] FERMILAB-PUB-11-404-E-PPD(2011) (Submitted to Phys.Rev.D) "Search for resonant production of t t decaying to jets in pp collisions at s = 1.96 TeV" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.4755 [hep-ex] FERMILAB-PUB-11-397-E(2011) "Search for W Z + Z Z production with / E T + jets with b enhancement at s = 1.96 TeV" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.2060 [hep-ex] FERMILAB-PUB-11-375-E-PPD(2011) (Submitted to Phys.Rev.Lett.) "Measurement of the top-quark mass in the lepton+jets channel using a matrix element technique with the CDF II detector" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.1601 [hep-ex] FERMILAB-PUB-11-374-E-PPD(2011) (Submitted to Phys.Rev.D) "Measurements of the Angular Distributions in the Decays B → K ( * ) µ + µ − at CDF" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.0695 [hep-ex] FERMILAB-PUB-11-364-PPD(2011) vi "Search for new physics in high p T like-sign dilepton events at CDF II" T. Aaltonen et al. [CDF Collaboration] arXiv:1108.0101 [hep-ex] FERMILAB-PUB-11-367-E(2011) (Submitted to Phys.Rev.Lett.) "A search for resonant production of t t pairs in 4.8 fb −1 of integrated luminosity of pp collisions at s = 1.96 TeV" T. Aaltonen et al. [The CDF Collaboration] arXiv:1107.5063 [hep-ex] FERMILAB-PUB-11-350-E(2011) "Measurement of Polarization and Search for CP-Violation in B 0 s → φφ Decays" T. Aaltonen et al. [CDF Collaboration] arXiv:1107.4999 [hep-ex] FERMILAB-PUB-11-345-E(2011) "Observation of the Ξ 0 b Baryon" T. Aaltonen et al. [CDF Collaboration]

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The CDF Run IIb Silicon Detector: Design, preproduction, and performance

Cited by 11 publications

References 36 publications

Operational experience, improvements, and performance of the CDF Run II silicon vertex detector

Operational experience, improvements, and performance of the CDF Run II silicon vertex detector

Measurements of the Top Anti-Top Production Cross Section and Top Quark Mass in the Hadronically Decaying Tau + Jets Decay Channel at CDF

Search for the Higgs Boson in the $ZH\to\mu^+\mu^- b\bar{b}$ Channel at CDF Using Novel Multivariate Techniques

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