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Your search keyword '"DI DOMENICO, G"' showing total 39 results
Start Over Author "DI DOMENICO, G" Publisher elsevier b.v.
39 results on '"DI DOMENICO, G"'

2. A [formula omitted] calorimeter for the monitoring of the ELI-NP beam

Author

Veltri, M., Adriani, O., Albergo, S., Andreotti, M., Borgheresi, R., Cappello, G., Cardarelli, P., Ciaranfi, R., Consoli, E., Di Domenico, G., Evangelisti, F., Gambaccini, M., Graziani, G., Lenzi, M., Maletta, F., Marziani, M., Passaleva, G., Paternò, G., Serban, A., Squerzanti, S., Starodubtsev, O., Tricomi, A., and Variola, A.

Published
2019
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3. A compton spectrometer to monitor the ELI-NP gamma beam energy

Author

Borgheresi, R., Adriani, O., Albergo, S., Andreotti, M., Cappello, G., Cardarelli, P., Ciaranfi, R., Consoli, E., Di Domenico, G., Evangelisti, F., Gambaccini, M., Graziani, G., Lenzi, M., Maletta, F., Marziani, M., Passaleva, G., Paternò, G., Serban, A., Squerzanti, S., Starodubstev, O., Tricomi, A., Variola, A., and Veltri, M.

Published
2019
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4. A gamma beam profile imager for ELI-NP Gamma Beam System

Author

Cardarelli, P., Paternò, G., Di Domenico, G., Consoli, E., Marziani, M., Andreotti, M., Evangelisti, F., Squerzanti, S., Gambaccini, M., Albergo, S., Cappello, G., Tricomi, A., Veltri, M., Adriani, O., Borgheresi, R., Graziani, G., Passaleva, G., Serban, A., Starodubtsev, O., Variola, A., and Palumbo, L.

Published
2018
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5. EuroGammaS gamma characterisation system for ELI-NP-GBS: The nuclear resonance scattering technique

Author

Pellegriti, M.G., Adriani, O., Albergo, S., Andreotti, M., Berto, D., Borgheresi, R., Cappello, G., Cardarelli, P., Consoli, E., Di Domenico, G., Evangelisti, F., Gambaccini, M., Graziani, G., Lenzi, M., Marziani, M., Palumbo, L., Passaleva, G., Serban, A., Spina, M., Starodubtsev, O., Statera, M., Tricomi, A., Variola, A., Veltri, M., and Zerbo, B.

Published
2017
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6. Gamma beam collimation system and profile imager for ELI-NP

Author

Cardarelli, P., Paternò, G., Di Domenico, G., Consoli, E., Marziani, M., Andreotti, M., Evangelisti, F., Squerzanti, S., Gambaccini, M., Albergo, S., Cappello, G., Tricomi, A., Veltri, M., Adriani, O., Borgheresi, R., Graziani, G., Passaleva, G., Serban, A., Starodubtsev, O., and Variola, A.

Published
2019
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28. Erratum to ‘Measurement of the Cotton–Mouton effect in krypton and xenon at 1064 nm with the PVLAS apparatus’ [Chem. Phys. Lett. 392 (2004) 276] and ‘A precise measurement of the Cotton–Mouton effect in neon’ [Chem. Phys. Lett. 410 (2005) 288]

Author

Bregant, M., Cantatore, G., Carusotto, S., Cimino, R., Della Valle, F., Di Domenico, G., Gastaldi, U., Karuza, M., Lozza, V., Milotti, E., Polacco, E., Raiteri, G., Ruoso, G., Zavattini, E., and Zavattini, G.

Published
2009
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31. A detector for submillimeter gamma cameras

Author

Barone, L.M., Blazek, K., Bollini, D., Del Guerra, A., de Notaristefani, F., Di Domenico, G., Galli, M., Maly, P., Pani, R., Pellegrini, R., Pergola, A., Piffanelli, A., Scopinaro, F., Soluri, A., Vittori, F., and Zavattini, G.

Published
1995
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35. Experimental and Monte Carlo simulated spectra of a liquid-metal-jet x-ray source.

Author

Marziani, M., Gambaccini, M., Di Domenico, G., Taibi, A., and Cardarelli, P.

Subjects
*LIQUID metals, *MONTE Carlo method, *ELECTRON impact ionization, *ANODES, *SPECTROMETERS
Abstract

A prototype x-ray system based on a liquid-metal-jet anode was evaluated within the framework of the LABSYNC project. The generated spectrum was measured using a CZT-based spectrometer and was compared with spectra simulated by three Monte Carlo codes: MCNPX, PENELOPE and EGS5. Notable differences in the simulated spectra were found. These are mainly attributable to differences in the models adopted for the electron-impact ionization cross section. The simulation that more closely reproduces the experimentally measured spectrum was provided by PENELOPE. [ABSTRACT FROM AUTHOR]

Published
2014
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36. A new optical magnetometer for MCG measurements in a low-cost shielding room

Author

Bison, G., Schläpfer, U., Di Domenico, G., Saudan, H., and Weis, A.

Subjects
*MAGNETOMETERS, *MAGNETIC fields, *MAGNETIC instruments, *MAGNETIC variometers
Abstract

Abstract: In the past years we were able to show that room temperature optical magnetometers based on magnetic resonance in atomic vapors can be used to measure magnetocardiographic (MCG) signals of healthy adults. The objective of our ongoing work is to demonstrate that multichannel arrangements of affordable and maintenance-free optical magnetometers can be operated in clinical settings. On the way to that goal we studied a new optical magnetometry scheme using linearly polarized light. We also investigated the possibility to operate such magnetometers in inexpensive magnetic shielding rooms based on aluminum. [Copyright &y& Elsevier]

Published
2007
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37. The gamma-ray burst monitor for Lobster-ISS

Author

Amati, L., Frontera, F., Auricchio, N., Caroli, E., Basili, A., Bogliolo, A., Di Domenico, G., Franceschini, T., Guidorzi, C., Landini, G., Masetti, N., Montanari, E., Orlandini, M., Palazzi, E., Silvestri, S., Stephen, J.B., and Ventura, G.

Subjects
*GAMMA ray bursts, *SPECTRUM analysis, *GAMMA ray astronomy, *X-ray bursts
Abstract

Abstract: Lobster-ISS is an X-ray all-sky monitor experiment selected by ESA two years ago for a Phase A study (now almost completed) for a future flight (2009) aboard the Columbus Exposed Payload Facility of the International Space Station. The main instrument, based on MCP optics with Lobster-eye geometry, has an energy passband from 0.1 to 3.5keV, an unprecedented daily sensitivity of 2×10−12 ergcm−2 s−1, and it is capable to scan, during each orbit, the entire sky with an angular resolution of 4–6′. This X-ray telescope is flanked by a Gamma Ray Burst Monitor, with the minimum requirement of recognizing true GRBs from other transient events. In this paper we describe the GRBM. In addition to the minimum requirement, the instrument proposed is capable to roughly localize GRBs which occur in the Lobster FOV (162×22.5°) and to significantly extend the scientific capabilities of the main instrument for the study of GRBs and X-ray transients. The combination of the two instruments will allow an unprecedented spectral coverage (from 0.1 up to 300/700keV) for a sensitive study of the GRB prompt emission in the passband where GRBs and X-Ray Flashes emit most of their energy. The low-energy spectral band (0.1–10keV) is of key importance for the study of the GRB environment and the search of transient absorption and emission features from GRBs, both goals being crucial for unveiling the GRB phenomenon. The entire energy band of Lobster-ISS is not covered by either the Swift satellite or other GRB missions foreseen in the next decade. [Copyright &y& Elsevier]

Published
2006
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38. A precise measurement of the Cotton–Mouton effect in neon

Author

Bregant, M., Cantatore, G., Carusotto, S., Cimino, R., Della Valle, F., Di Domenico, G., Gastaldi, U., Karuza, M., Milotti, E., Polacco, E., Ruoso, G., Zavattini, E., and Zavattini, G.

Subjects
*DOUBLE refraction, *NEON, *ATMOSPHERIC pressure, *CHEMISTRY
Abstract

Abstract: In this Letter, we report a novel measurement of the magnetically induced birefringence (Cotton–Mouton effect) in neon. Using a highly sensitive apparatus we were able to precisely measure the specific birefringence value of Δn u =(5.9±0.2)×10−16 at the wavelength of 1064nm (for B =1T and atmospheric pressure) and T ≈290K. The results reported here are in agreement with theory, while the only previous precise measurement differs significantly. [Copyright &y& Elsevier]

Published
2005
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39. Use of a fast EM algorithm for 3D image reconstruction with the YAP–PET tomograph

Author

Motta, A., Damiani, C., Del Guerra, A., Di Domenico, G., and Zavattini, G.

Subjects
*POSITRON emission tomography, *DIAGNOSTIC imaging
Abstract

Objective. We would like to improve the image reconstructions for both signal-to-noise ratio (SNR) and spatial resolution characteristics for the small animal positron emission tomograph YAP–PET, built at the Department of Physics of Ferrara University. The three-dimensional (3D) filtered backprojection (FBP) algorithm, usually used for image reconstruction, has a limited angle restriction due to the tomograph geometry, which causes a serious loss in sensitivity.Methods. We implemented a 3D iterative reconstruction program using the symmetry and sparse properties of the ‘probability matrix’, which correlates the emission from each voxel to the detector within a coincidence tube. A fraction only of matrix elements are calculated before the reconstruction and stored on disk: this allows us to avoid on-line computation. A depth dependent function differentiates the voxels in a coincidence tube. Three experimental phantoms with no background were reconstructed by using the program, in comparison with traditionally used FBP.Results. The adopted method allowed us to reduce the computation time significantly. Furthermore, the simple depth dependent function improved the spatial resolution. With 64×64×20 voxels of 0.625×0.625×2.0 mm3 in the field of view, the computation time was less than 4 min per iteration on a Sparc Ultra450 Workstation, and less than 6 min per iteration on a Mac-PPC G3 300 MHz: the spatial resolution measured with a 0.8 mm diameter 18F-FDG filled capillary reconstructed in this way was 2.0 mm FWHM. By decreasing the voxel size to 0.3125×0.3125×2.0 mm3 per voxel the transaxial FWHM was 1.7 mm with a computation time of 15 min per iteration on a Sparc Ultra450. By using all the acquired data, the SNR improves from 1.3 to 6.0 in the worst measured case, a pair of 0.8 mm diameter 18F-FDG filled capillaries, which are 2.5 mm apart each other.Conclusion. The adoption of iterative reconstruction allowed us to overcome the loss in sensitivity of previously used FBP: this improved the SNR. The studies of symmetry and sparse properties avoided a severe increase of the reconstruction time and of storing space on disk. This fast EM Algorithm is now routinely used for the image reconstruction with the YAP–PET tomograph. [Copyright &y& Elsevier]

Published
2002
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