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Author : Michele Cascella
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (886 download)
Download or read book Characteristis of the Layer 0 of the CDF RunIIb Silicon Vertex Detector written by Michele Cascella and published by . This book was released on 2004 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (247 download)
Download or read book Landwirtschaft und Landwirtschaftskammer Weser-Ems written by and published by . This book was released on 1989 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Run IIb Upgrade of the CDF Silicon Detectors written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A substantial portion of the Run IIa silicon detectors of the CDF experiment will not perform adequately for the duration of Run IIb (15 fb−1) because of radiation damage. The Silicon Vertex Detector (SVX-II) and Layer 00 will be fully replaced at the end of Run IIa. The Run IIb silicon tracker has a baseline design that safely achieves the required radiation tolerance by using single sided sensors that are actively cooled. The new Run IIb castellated layout contains more silicon surface area and has a more uniform radial distribution. It minimizes the number of hybrid and sensor varieties providing quick construction and assembly. The total mass in the tracking volume is reduced by eliminating unnecessary the passive material from the CDF volume.
Author : Cigdem Issever
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)
Download or read book The CDF Run IIa Silicon Detector and Its Upgrade RunIIb written by Cigdem Issever and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The CDF RunIIa silicon detector made the transition from commissioning to data taking. CDF's online and offline tracking algorithms, the performance of Layer 00 and the RunIIb silicon upgrade project are covered in this article.
Author : Michele Barone
Publisher : World Scientific
ISBN 13 : 981448735X
Total Pages : 861 pages
Book Rating : 4.8/5 (144 download)
Download or read book Advanced Technology And Particle Physics - Proceedings Of The 7th International Conference On Icatpp-7 written by Michele Barone and published by World Scientific. This book was released on 2002-11-28 with total page 861 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features up-to-date technology applications to radiation detection. It synthesises several techniques of and approaches to radiation detection, covering a wide range of applications and addressing a large audience of experts and students.Many of the talks are in fact reviews of particular topics often not covered in standard books and other conferences, for instance, the medical physics section. To present these medical physics talks is crucial, since a large fraction of the community in medical physics are from the particle physics community. The same feature is true for astroparticle and space physics, which are relatively new fields.This book is unique in its scope. Except for IEEE, there is no other conference in the world that presents such a wide coverage of advanced technology applied to particle physics. However, unlike IEEE, more room is made in the book for reviews and general talks.
Download or read book The CDF Silicon Vertex Detector for Run II. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The 8 layer, 720k channel CDF Run II silicon detector is an essential part of the heavy flavor tagging and forward tracking capabilities of the CDF experiment. A summary of the experience in commissioning and operating this double-sided detector during the first 2 years of Run II is presented. The performances of the silicon in term of resolution, efficiency are also described. The results of the studies of radiation damage and the expected operational limits are discussed. A short description of the SVT, the Level 2 Silicon Vertex Trigger, one of the major upgrades related to the new silicon device is also presented. Finally, some of the many physics results achieved by means of the new Silicon+SVT machinery are also reviewed.
Author :
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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (727 download)
Download or read book Operation of the CDF Silicon Vertex Detector with Colliding Beams at Fermilab written by and published by . This book was released on 1992 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we briefly describe the main features of the CDF Silicon Vertex Detector (SVX) and discuss its performance during actual colliding beam operation at the Fermilab Tevatron. Details on S/N ratio, alignment, resolution and efficiency are given.
Download or read book The CDF Run IIb Silicon Detector written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermilab plans to deliver 5-15 fb−1 of integrated luminosity to the CDF and D0 experiments. The current inner silicon detectors at CDF (SVXIIa and L00) will not tolerate the radiation dose associated with high luminosity running and will need to be replaced. A new readout chip (SVX4) has been designed in radiation-hard 0.25 [mu]m CMOS technology. Single sided sensors are arranged in a compact structure, called a stave, with integrated readout and cooling systems. This paper describes the general design of the Run IIb system, testing results of prototype electrical components (staves), and prototype silicon sensor performance before and after irradiation.
Author :
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (685 download)
Download or read book The CDF Silicon Vertex Detector written by and published by . This book was released on 1993 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: A silicon strip vertex detector was designed, constructed and commissioned at the CDF experiment at the Tevatron collider at Fermilab. The mechanical design of the detector, its cooling and monitoring are presented. The front end electronics employing a custom VLSI chip, the readout electronics and various components of the SVX system are described. The system performance and the experience with the operation of the detector in the radiation environment are discussed. The device has been taking colliding beams data since May of 1992, performing at its best design specifications and enhancing the physics program of CDF.
Author : Frank Hartmann
Publisher : Springer Science & Business Media
ISBN 13 : 3540250948
Total Pages : 211 pages
Book Rating : 4.5/5 (42 download)
Download or read book Evolution of Silicon Sensor Technology in Particle Physics written by Frank Hartmann and published by Springer Science & Business Media. This book was released on 2008-12-01 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the post era of the Z and W discovery, after the observation of Jets at UA1 and UA2 at CERN, John Ellis visioned at a HEP conference at Lake Tahoe, California in 1983 “To proceed with high energy particle physics, one has to tag the avour of the quarks!” This statement re ects the need for a highly precise tracking device, being able to resolve secondary and tertiary vertices within high-particle densities. Since the d- tance between the primary interaction point and the secondary vertex is proportional tothelifetimeoftheparticipatingparticle,itisanexcellentquantitytoidentifypar- cle avour in a very fast and precise way. In colliding beam experiments this method was applied especially to tag the presence of b quarks within particle jets. It was rst introduced in the DELPHI experiment at LEP but soon followed by all collider - periments to date. The long expected t quark discovery was possible mainly with the help of the CDF silicon vertex tracker, providing the b quark information. In the beginning of the 21st century the new LHC experiments are beginning to take 2 shape. CMS with its 206m of silicon area is perfectly suited to cope with the high luminosity environment. Even larger detectors are envisioned for the far future, like the SiLC project for the International Linear Collider. Silicon sensors matured from small 1in. single-sided devices to large 6in. double-sided, double metal detectors and to 6in. single-sided radiation hard sensors.
Download or read book الفصح written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (682 download)
Download or read book Thermal Properties of D0 Run IIb Silicon Detector Staves written by and published by . This book was released on 2001 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: A proposed stave design for the D0 Run IIb silicon tracker outer layers featuring central cooling channels and hybrid substrates mounted directly to the silicon sensor surfaces is evaluated for heat transfer characteristics and thermal deflections. In order to control leakage current noise in the silicon it is necessary to maintain the silicon in Layer 2 (R (almost equal to) 100mm) at or below +5C. The current cooling system using 30% ethylene glycol in water can deliver coolant to the inlet of the silicon tracker at a temperature of -8C to -10C. This paper also investigates some alternative coolant options for Run IIB. While these are not required for the outer layers of silicon, they may be needed for L0, which sits at R (almost equal to) 15mm. In this case the silicon must be kept at or below -5C, very near the lower limit for delivery of 30% glycol/water coolant. However, for the inner layers the electronics will be mounted independently from the silicon so the local heat flux is greatly reduced. This paper does not consider the cooling issues for the inner layers.
Author : Arnulf Quadt
Publisher : Springer Science & Business Media
ISBN 13 : 3540710604
Total Pages : 166 pages
Book Rating : 4.5/5 (47 download)
Download or read book Top Quark Physics at Hadron Colliders written by Arnulf Quadt and published by Springer Science & Business Media. This book was released on 2007-08-16 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This will be a required acquisition text for academic libraries. More than ten years after its discovery, still relatively little is known about the top quark, the heaviest known elementary particle. This extensive survey summarizes and reviews top-quark physics based on the precision measurements at the Fermilab Tevatron Collider, as well as examining in detail the sensitivity of these experiments to new physics. Finally, the author provides an overview of top quark physics at the Large Hadron Collider.
Author :
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ISBN 13 :
Total Pages : 834 pages
Book Rating : 4.0/5 ( download)
Download or read book 2003 IEEE Nuclear Science Symposium written by and published by . This book was released on 2004 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leonardo Rossi
Publisher : Springer Science & Business Media
ISBN 13 : 9783540283324
Total Pages : 326 pages
Book Rating : 4.2/5 (833 download)
Download or read book Pixel Detectors written by Leonardo Rossi and published by Springer Science & Business Media. This book was released on 2006-01-18 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pixel detectors are a particularly important class of particle and radiation detection devices. They have an extremely broad spectrum of applications, ranging from high-energy physics to the photo cameras of everyday life. This book is a general purpose introduction into the fundamental principles of pixel detector technology and semiconductor-based hybrid pixel devices. Although these devices were developed for high-energy ionizing particles and radiation beyond visible light, they are finding new applications in many other areas. This book will therefore benefit all scientists and engineers working in any laboratory involved in developing or using particle detection.
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ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (3 download)
Download or read book Fermilab Report written by and published by . This book was released on 1986 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ioannis John Demetrius Vergados
Publisher : World Scientific Publishing Company
ISBN 13 : 9813202467
Total Pages : 349 pages
Book Rating : 4.8/5 (132 download)
Download or read book Group And Representation Theory written by Ioannis John Demetrius Vergados and published by World Scientific Publishing Company. This book was released on 2016-12-29 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume goes beyond the understanding of symmetries and exploits them in the study of the behavior of both classical and quantum physical systems. Thus it is important to study the symmetries described by continuous (Lie) groups of transformations. We then discuss how we get operators that form a Lie algebra. Of particular interest to physics is the representation of the elements of the algebra and the group in terms of matrices and, in particular, the irreducible representations. These representations can be identified with physical observables.This leads to the study of the classical Lie algebras, associated with unitary, unimodular, orthogonal and symplectic transformations. We also discuss some special algebras in some detail. The discussion proceeds along the lines of the Cartan-Weyl theory via the root vectors and root diagrams and, in particular, the Dynkin representation of the roots. Thus the representations are expressed in terms of weights, which are generated by the application of the elements of the algebra on uniquely specified highest weight states. Alternatively these representations can be described in terms of tensors labeled by the Young tableaux associated with the discrete symmetry Sn. The connection between the Young tableaux and the Dynkin weights is also discussed. It is also shown that in many physical systems the quantum numbers needed to specify the physical states involve not only the highest symmetry but also a number of sub-symmetries contained in them. This leads to the study of the role of subalgebras and in particular the possible maximal subalgebras. In many applications the physical system can be considered as composed of subsystems obeying a given symmetry. In such cases the reduction of the Kronecker product of irreducible representations of classical and special algebras becomes relevant and is discussed in some detail. The method of obtaining the relevant Clebsch-Gordan (C-G) coefficients for such algebras is discussed and some relevant algorithms are provided. In some simple cases suitable numerical tables of C-G are also included.The above exposition contains many examples, both as illustrations of the main ideas as well as well motivated applications. To this end two appendices of 51 pages — 11 tables in Appendix A, summarizing the material discussed in the main text and 39 tables in Appendix B containing results of more sophisticated examples are supplied. Reference to the tables is given in the main text and a guide to the appropriate section of the main text is given in the tables.
