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Languages : en
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Run II at the Tevatron Collider started at the beginning of March 2001. With extensive upgrades on both detectors and electronics the CDF II began to collect data. This paper reviews early Run II physics results obtained by analyzing data collected before the middle of June 2002. At the present the understanding of the detector performances is rather high so many analysis are already underway.
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Languages : en
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Book Description
Run II at the Tevatron Collider started at the beginning of March 2001. With extensive upgrades on both detectors and electronics the CDF II began to collect data. This paper reviews early Run II physics results obtained by analyzing data collected before the middle of June 2002. At the present the understanding of the detector performances is rather high so many analysis are already underway.
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Languages : en
Pages : 5
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With extensive upgrades to the detector and electronics, CDF has started collecting data with Run II of the Tevatron. The enhanced silicon coverage and the use of silicon based tracks in the trigger, make CDF well suited for a broad program of B hadron measurements. We present the current status of the experiment and prospects for measurements in Run II.
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Languages : en
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For the past several years, the CDF collaboration has been upgrading its detector to accommodate the higher luminosity and beam energy expected during Run II (2001-2006) at the Tevatron p{bar p} collider. Accelerator improvements include increasing the instantaneous luminosity by an order of magnitude with respect to Run I to 2 x 1032 cm−2 s−1 and increasing the center of mass energy from 1.8 TeV to 2.0 TeV. The detector upgrades include replacing the entire tracking volume, extending the muon coverage, adding a time of flight system, and improving the selection capabilities of the trigger. The partially instrumented detector underwent a commissioning run during September/October 2000 in preparation for starting data taking in Spring 2001 with the full detector. Now that Run II has been extended through 2006, we expect to collect an integrated luminosity of 2 fb−1 during the first two years of running and up to a total of 15 fb−1 by the end of Run II.
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Languages : en
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In March 2001, the Fermilab Tevatron will start a new physics run of p{bar p} collisions at (square root)s = 2.0 TeV. The CDF experiments will collect a data sample of 2 fb−1 in the first two years. In this paper the authors describe the B physics prospects at CDF during the upcoming run.
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The status of the CDF II experiment is described. Since operations start-up for run II data taking in March 2001, the CDF detector has been commissioned using about 20 pb−1 of data provided by the Tevatron (utilized about 4-8). Most detector components are ready for physics quality data. The goal is to present the first physics results by summer-fall 2002.
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Languages : en
Pages : 358
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A snapshot of the status of the CDF Run II Silicon Detector is presented, with a summary of commissioning issues since the start of Run II, current performance of the detector, and the use of the data in both the trigger and offline reconstruction.
Author: Juliet Lee-Franzini
Publisher: World Scientific
ISBN: 9789810248802
Category : Science
Languages : en
Pages : 672
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Book Description
This important book covers topics that are of major interest to the high energy physics community, including the most recent results from flavour factories, dark matter and neutrino physics. In addition, it considers future high energy machines.
Author: Manfred Paulini
Publisher: American Institute of Physics
ISBN: 9780735402034
Category : Science
Languages : en
Pages : 326
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Book Description
This conference series reviews progress in understanding the physics of the 5th quark (beauty quark or bottom quark) and the properties of particles containing a b-quark. These quarks are produced at particle accelerators such as electron-positron accelerators or hadron colliders with the latter being the focus of the conference. One of the main issues in understanding the physics of the 5th quark is CP violation, a mechanism in particle physics that breaks the symmetry of nature between particles and antiparticles ultimately connected to the particle-antiparticle asymmetry of the universe. Topics include: recent results; CP violation; B production and spectroscopy; detectors, hardware, and computing; Vucb, Vub, and factorization; B lifetimes and mixing; rare decays; B trigger at future experiments; B physics at future hadron machines; the future of flavor.
Author: Martin Erdmann
Publisher: Springer Science & Business Media
ISBN: 3642555241
Category : Science
Languages : en
Pages : 533
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Book Description
Hadron colliders probe physics at new energy frontiers and search for new particles and forces. In addition, hadron colliders now provide also an environment for precision physics. The present volume collects the results from recently completed runs at major colliders as well as new ideas about collider physics and techniques. It will serve as the main source of reference in the field for many years to come.
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The CDF collaboration will vigorously pursue a comprehensive program of electroweak physics during Run II at the Tevatron based strongly on the successful Run I program. The Run IIa integrated luminosity goal of 2 fb[sup -1] will lead to a CDF dataset twenty times larger than that collected in Run I. In addition, an increase in the energy of the colliding beams from[radical]s= 1.80 TeV to[radical]s= 1.96 TeV for Run II provides a 10% increase in the W and Z boson production cross sections and a corresponding enlargement of the electroweak event samples. In the near term, CDF expects to collect a dataset with 2-3 times the integrated luminosity of Run I by September of 2003. Utilizing these new datasets CDF will be able to make improved, precision measurements of Standard Model electroweak parameters including M[sub W], M[sub top], [Lambda][sub W], and sin[sup 2][theta][sub W][sup eff]. The goal of these measurements will be to improve our understanding of the self-consistency of the Standard Model and knowledge of the Higgs boson mass within the model. The top plot in Fig. 1 illustrates our current knowledge of the Standard Model Higgs mass based on measurements of M[sub W] and M[sub top]. The constraints imposed by combined CDF and D0 Run I measurements of M[sub W] (80.456[+-] 0.059GeV/c[sup 2]) and M[sub top] (174.3[+-] 5.1GeV/c[sup 2]) are illustrated by the shaded oval region on the plot. The hatched rectangle shows the additional constraint imposed by the recent LEP2 measurement of M[sub W]. The bottom plot in Fig. 1 illustrates the expected improvement in these constraints based on Run II CDF measurements utilizing a 2 fb[sup -1] dataset. The shaded oval region in this plot is based on current estimates of a 40 MeV/c[sup 2] uncertainty for measuring M[sub W] and a 2-3 GeV/c[sup 2] uncertainty for measuring M[sub top].
