Electron shower transverse profile measurement
نویسندگان
چکیده
منابع مشابه
Non-destructive Transverse Profile Measurement at UNILAC and SIS
The traditional determination of transverse beam profiles by secondary emission grids cannot be applied at the high current operation with up to 20 mA for the full UNILAC macro-pulse length due to the large energy release in the material. Moreover, the spatial resolution is limited by the wire spacing of about 1 mm. To be able to measure the full pulse length, the fluorescence of the residual g...
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Non-intercepting Beam Induced Fluorescence (BIF) monitors measure transversal beam profiles by observation of fluorescence light originating from excited residual gas molecules. Thus they are an alternative to conventional intercepting devices. Single photon counting is performed using an image intensified digital CCD camera. We investigated the BIF process in the energy range of 7.7 keV/u to 7...
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Simulations of optical image of a shower are implemented into a procedure of shower energy determination. This ”top-down” approach starts with shower development and fluorescence light production in the air, to obtain the expected detector response. In this paper, distributions of energy deposited by a shower in the air through ionization, as obtained from CORSIKA, are used to derive the flux o...
متن کاملElectromagnetic Shower Profile Measurements in Iron with 500 MeV Electrons
The longitudinal and lateral shower profiles for 500 MeV electrons in iron are studied using dosimetry and activation techniques. The results are compared with Monte Carlo simulations and other previously published data. The agreement between the data and the EGS4 simulation results is good; a simple shower profile parametrization of type kz exp (−βz) does not represent the experimental data we...
متن کاملAn Apparatus for Measuring Turn-by-turn Transverse Beam Profile in Electron Storage Rings
T. Chen, R. H. Siemann, Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309 D. Hartill, S. Smith, Cornell University, Ithaca, NY 14853 Abstract A new apparatus is designed to measure the beam profile turn-by-turn using synchrotron light. The apparatus consists of optical fibers, photo multiplier tubes and digitizers. It is cost efficient and easy to operate. Monte Carlo ...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
سال: 1995
ISSN: 0168-9002
DOI: 10.1016/0168-9002(95)00717-2