نتایج جستجو برای: geant4

تعداد نتایج: 1269  

1998
M. Nagamatsu T. Kodama H. Uno H. Yoshida K. Ohtsubo S. Tanaka M. Asai Y. Oohata R. Hamatsu

End users run GEANT4 executable les customized and provided by application programmers. GAG (GEANT4 Adaptive GUI) is a GUI for them to run GEANT4 by using commands and by changing associated parameters. We have two implementations of GAG, that is, Tcl/Tk and Java versions. GAG provides them with a tree (Java) or Pull-down menu (Tcl/Tk) of commands, a widget of parameter inputs of variable forma...

2015
Dennis Wright

Geant4 [ref G1, ref G2] is a simulation toolkit written in C++ using Object-Oriented principles, and re-engineered from the Fortran-based Geant3. As of Geant 3.21, the Fortran code is officially no longer supported. Geant4 is developed and maintained by a world-wide collaboration including centers at CERN, SLAC, FNAL, KEK and others. The code is available without cost at http://geant4.cern.ch, ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی 1390

در این پروژه تعداد میانگین شکست های تک رشته ای1 (ssb) و دو رشته ای2 (dsb) مولکول dna3 ناشی از اثرات مستقیم و غیر مستقیم الکترون های اوژه i123 و i125 الحاق شده به مولکول dna، با استفاده از کد محاسباتی 4geant (هندسه و ردیابی4) محاسبه شده است. هدف از این مطالعه ارائه ی داده ها ی جدید با به کار بردن کد محاسباتی جدید و همچنین یک روش متفاوت برای محاسبه ی شکست های غیرمستقیم است. محاسبات برای موارد مخت...

Journal: :International journal of radiation biology 2012
Anton V Ivantchenko Vladimir N Ivanchenko Jose-Manuel Quesada Molina Sebastien L Incerti

PURPOSE To test and to develop Geant4 (Geometry And Tracking version 4) Monte Carlo hadronic models with focus on applications in a space radiation environment. MATERIALS AND METHODS The Monte Carlo simulations have been performed using the Geant4 toolkit. Binary (BIC), its extension for incident light ions (BIC-ion) and Bertini (BERT) cascades were used as main Monte Carlo generators. For co...

2004
A. Ribon

In this note we present an update of the validation of Geant4 hadronic physics against the ATLAS pixel 2001 test-beam data. Furthermore, we also report the comparison with Fluka simulation, using the same Geant4 geometry, navigation and digitization.

2006
J. Apostolakis

The Geometry modeller is a key component of the Geant4 toolkit [1,2]. It has been designed to exploit at the best the features provided by the Geant4 simulation toolkit, allowing the description of the geometrical structure of complex detectors in a natural way, ranging from a few up to hundreds of thousands volumes of the LHC experiments, as well as human phantoms for medical applications or d...

2003
Kotoyo Hoshina Keisuke Fujii Osamu Nitoh

Stereo mini-jet cells will be indispensable components of a future ee linear collider central tracker such as JLC-CDC. There is, however, no official Geant4 solid available at present to describe such geometrical objects, which had been a major obstacle for us to develop a full Geant4-based simulator with stereo cells built in. We have thus extended Geant4 to include a new solid (TwistedTubs), ...

2007
John Allison

The Visualization System of GEANT4 is an interface between the simulation kernel and the graphics system. In itself it defines only the functionality required by the kernel and the GEANT4 user. It contains an abstract interface to which an installer may fit his or her favourite graphics system; concrete interfaces to some graphics systems come ready-to-use with the GEANT4 toolkit. Commands to t...

2016
S. C. Lee C. Bungau R. Cywinski

In order to assess the feasibility of spallation driven fission and transmutation, we have simulated proton induced neutron production using GEANT4, initially benchmarking our simulations against published experimental neutron spectra produced from a thick lead target bombarded with 0.5 and 1.5 GeV protons. The Bertini and INCL models available in GEANT4, coupled with the high precision (HP) ne...

2002

GEANT4 is an effective and comprehensive tool capable of realistically modeling the optics of scintillation and Cerenkov detectors and their associated light guides. This is founded on GEANT4’s unique capacity of commencing the simulation with the propagation of a charged particle and completing it with the detection of the ensuing optical photons on photo sensitive areas, all within the same e...

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