ääà èãâ ã è Ú çãâ âè Öãæá à ãæá èã Ð Öãâàâ æ × ç Ýçâ Õ ÜÐ Õ ÜÑ Þ èãæ â æ à Ñâçèèéè ãæ Öé à æ Ø íç çÈ Õãç ãë Ûè è Ýâê æçèíÈ Õãç ãëÈ Úéçç âæà è ãæíÊç âäÊáçéÊæé ×æ æ Ú í Ó ââ ä æèá âè ã ääà Õ è á è ç â Ü ãæ è à Ø íç çÈ Ýâê æçèí ã á æ ÚÊÓ ââ áèäÊ áÊ Êé Òéàí Í È ÎÌÌÎ Ü ç ä ä æ çèé ç ääà èãâç ã è âãæá à ãæá éçâ Õ è á è Ê Ñè ç æ ç è ä ãæ äãë æ éæ ç ãæ éà â âãæá à ãæá â âãæá àîâ èæ èá âè ã æé ãâ É á âçãâ åé ... ÄÍ âê àé ç ã è á èæì ã è àâ æ ä æè ã è â Å ç è ê èãæ ã çíçè á â ? ...
... It describes the package for power series treatment, and the pro- cedures for building a normal form and normalizing transformations. ... The basic idea of the method of normal form is the use of \local" coordinate transformation to simplify the equations that describe the dynamics of the system under consideration. In other words, with the method of normal forms, one seeks a near-identity coordinate transformation in which the dynamical system takes the simplest form or so-called normal form. ...
Factorizing one loop contributions to two loop Bhabha scattering and automatization of Feynman diagram calculations J. Fleischer, O.V. Tarasov Fakult˜at f˜ur Physik, Universit˜at Bielefeld and T. Riemann, A. Werthenbach DESY Zeuthen Abstract In higher order calculations a number of new technical problems arise: one needs diagrams in arbitrary dimension in order to obtain their needed #expansion, ... Integrals with nonzero Gram determinants # n = # # # # # # # # # # Y 11 Y 12 . ...
A review of fast circle and helix fitting R. Fruhwirth (HEPHY, Vienna, Austria) ¨ A. Strandlie (CERN, Geneva, Switzerland) W. Waltenberger (HEPHY, Vienna, Austria) J. Wroldsen (GjÜvik University College, Norway) ACAT 2002, Moscow, 26.6.2002 Outline Introduction and background Circle fitting Helix fitting Conclusion R. Fruhwirth ¨ ACAT 2002, Moscow 2 Introduction and background In a detector emb edded in a homogeneous magnetic field, the particle tra jectories are helices. ...
Providing GRID Data Services TODAY or: connect an existing data service fabric to a GRID DESY Patrick Fuhrmann, Martin Gasthuber Rich Wellner DESY /Hamburg Fermi DCache to GRID , DESY / Fermi ACAT 2002 June 24-28 Initial Remarks - We only talk about the data management, data access aspect of GRID computing - the 'Fabric' here is an existing ... GRID access protocols) - URL based access - no NFS mount required - dc_open("dcap://dcachedoor.desy.de/pnfs.desy.de/zeus/.. ...
... Like ordinary make, metamake keeps platform-dependent files (object, executables, libraries) for repeated usage. To use the metamake, one must define basic project directories (task directory, target root, object directory etc) and prepare two simple files: task-file that contains common project settings (selected compilers, common system libraries etc) and architecture- independent Imake-file which includes project description along with compiler and linker directives. ...
Geant4 toolkit for simulation of HEP experiments V.Ivanchenko From name of Geant4 collaboration BINP, Novosibirsk, Russia & CERN, Geneve, Switzerland Outline Geant4 history Design and tools Geant4 physics June 2002 release Prospects for future June,24 ACAT-2002 V.Ivanchenko Geant4 2 History 90th: About 100 FORTRAN MC programs in the world. The most popular in HEP GEANT3. ...
... S. Jadach June 26-th, 2002 ACAT2002, Moscow 13 Choice of the best division edge, Simplical 3-Dim. case 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 ...
Statistical Methods in Data Analysis CERN Statistics helps to solve these problems: . ... Moscow, June 2002 F. James 1 Statistical Methods in Data Analysis CERN Probability All statistical methods are based on calculations of probability. ... Moscow, June 2002 F. James 3 Statistical Methods in Data Analysis CERN Bayesian Probability is more general, since it can apply even to unrepeatable phenomena (for example, the probability that it will rain tomorrow) . ... Moscow, June 2002 F. James 26 ...
Pole masses of gauge bosons F.Jegerlehner, M.Yu.Kalmykov, O.Veretin. ... Pole Mass . ... 2 P = + + H P = + H H H + + + H H H H + H H H + + H H + H H H + + + + + + + + + 1 Bosonic contribution Number of diagrams linearR # gauge nonlinearR # gauge one loop : # 50 two loop : 1P I T otal 1P I T otal Z 616 2348 410 1837 W 792 4084 537 2942 With one fermion family two loop : 1P I T otal 1P I T otal Z 802 4410 550 3631 W 990 7780 669 5604 Kalmykov , ACAT'2002 , Moscow 4 Gauge The ...
... Detector development Status of the recent experiments: exp. error (13 eV) 13 â theor. uncertainty (1 eV) (ref.: ... Analysis step Window for plots or histograms Information windows: comments and help for user Plots and histograms active selection of data Window for histograms: variable bins size Gaussian fit save histogram into file Window for plots: zoom plot select of area repeat the action Selection of signals Rise-time 0,2 MIN 0,8 MIN MIN Signal after low-pass filter Qi Qj Original ...
On problem of interpretation and forecasting space-temporary variations of geophysical fields on results of deep scientific drilling Esipko O.A., Kolbasova A.V., Rosaev A.E. In the process of boring the deep bore holes, as scientific, so and industrial one's living, and when processing the received results, the problem of large arrays of data analyses appears. ... The example of geophysical data development As an example of with depth and variation log data with 0.2 meters of (verified) data. ...
... 4) Percolation probability: [pic] , where L is linear size of lattice. ... The presence of obstacles in a system leads to: - increase of the critical concentration value; this effect grows with increase of the full area of obstacles and falls with increase of the linear size of ones. - increase of the critical exponent ( value; this effect increase with growth both of linear size of obstacles and of their full area. - increase of the growth rate of ...
ACAT 2002 Computation of Cohomology of Lie (Sup er)Algebra: Algorithms, Implementation and New Results Vladimir V. Kornyak LIT, JINR, Dubna kornyak@jinr.ru June 25, 2002 Kornyak V. V. Computation of Cohomology of Lie (Super)Algebra 1 Homology and cohomology Chain and cochain complexes: 0 C0 0 · · · - Ck - 0 C 0 - · · · - C trivial cycle (b oundary) d0 dk -2 k -2 k -1 - Ck k Ck - -1 -1 +1 - · · · +1 k+1 k k-1 d - C k - C M dk k k+1 d - · · · . ...
The value of QCD coupling constant and power corrections in the structure function F2 measurements V.G. Krivokhijine and A.V. Kotikov Joint Institute for Nuclear Research, 141980 Dubna, Russia Abstract We reanalyze deep inelastic scattering data of BCDMS Collaboration by includ- ing proper cuts of ranges with large systematic errors. ... The QCD analysis of BCDMS 12 C; H 2 ; D 2 data (nonsinglet case) is given at x cut = 0:25 and Q 2 0 = 90 GeV 2 . ... We have nd very good agreement with the data. ...