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CERN Document Server Encontrados 8 registros  La búsqueda tardó 0.59 segundos. 
1.
Secondary neutrons inside a proton therapy facility: MCNPX simulations compared to measurements performed with a Bonner Sphere Spectrometer and neutron H*(10) monitors / De Smet, Valérie (IRISIB, Bruxelles ; Brussels U., IIHE) ; De Saint-Hubert, Marijke (SCK-CEN, Mol) ; Dinar, Nesrine (CERN ; Joseph Fourier U.) ; Manessi, Giacomo Paolo (CERN) ; Aza, Eleni (CERN ; Aristotle U., Thessaloniki) ; Cassell, Christopher (Milan Polytechnic) ; Saldarriaga Vargas, Clarita (SCK-CEN, Mol) ; Van Hoey, Olivier (SCK-CEN, Mol) ; Mathot, Gilles (IBA, Louvain-la-Neuve) ; Stichelbaut, Frédéric (IBA, Louvain-la-Neuve) et al.
Neutron spectrometry measurements with an extended-range Bonner Sphere Spectrometer (BSS), as well as neutron H*(10) measurements using an extended-range rem meter WENDI-2, a conventional rem meter LB 6411 and a tissue-equivalent proportional counter, were performed inside and around the Fixed-Beam Treatment Room at the proton therapy facility of Essen, in Germany. The WENDI-2 stood out as the easiest detector for making accurate neutron H*(10) measurements, since its direct measurements were equivalent to the H*(10) rates obtained with the BSS. [...]
2017 - 16 p. - Published in : Radiat. Meas. 99 (2017) 25-40
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2.
A Bonner Sphere Spectrometer for pulsed fields / Aza, E (CERN ; Thessaloniki U.) ; Dinar, N (CERN) ; Manessi, G P (CERN ; Liverpool U.) ; Silari, M (CERN)
The use of conventional Bonner Sphere Spectrometers (BSS) in pulsed neutron fields (PNF) is limited by the fact that proportional counters, usually employed as the thermal neutron detectors, suffer from dead time losses and show severe underestimation of the neutron interaction rate, which leads to strong distortion of the calculated spectrum. In order to avoid these limitations, an innovative BSS, called BSS-LUPIN, has been developed for measuring in PNF. [...]
2018 - 5 p. - Published in : Radiat. Prot. Dosim. 168 (2018) 149-153
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3.
Development of advanced radiation monitors for pulsed neutron fields / Manessi, Giacomo Paolo
The need of radiation detectors capable of efficiently measuring in pulsed neutron fields is attracting widespread interest since the 60s [...]
CERN-THESIS-2015-370 - 147 p.

Fulltext
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4.
Instrument intercomparison in the pulsed neutron fieldsat the CERN HiRadMat facility / Aza, E (CERN) ; Caresana, M (Milan Polytechnic) ; Cassell, C (Wollongong U. ; Milan Polytechnic) ; Charitonidis, N (CERN ; Ecole Polytechnique, Lausanne, LPAP) ; Harrouch, E (CERN) ; Manessi, G P (CERN ; Liverpool U.) ; Pangallo, M (CERN) ; Perrin, D (CERN) ; Samara, E (CERN ; Athens U.) ; Silari, M (CERN)
An intercomparison of the performances of active neutron detectors was carried out in pulsed neutron fi elds in the new HiRadMat facility at CERN. Five detectors were employed: four of them (two ionization chambers and two rem counters) are routinely employed in the CERN radiation monitoring system, while the fi fth is a novel instrument, called LUPIN, speci fi cally conceived for applications in pulsed neutron fi elds. [...]
2014 - 8 p. - Published in : Radiat. Meas. 61 (2014) 25-32
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5.
Spallation cross sections for natFe and natCu targets for 120 GeV/c protons and pions / Ferrari, A (CERN) ; Torre, F P La (CERN) ; Manessi, G P (CERN) ; Pozzi, F (CERN) ; Silari, M (CERN)
Spallation cross sections from thin natural copper and iron targets bombarded by a mixed 120 GeV/c proton/pion beam were measured in an activation experiment at CERN. The beam intensity was monitored by a calibrated ionization chamber and the activity of several spallation products was measured (14 for copper and 16 for iron) by $\gamma${} spectrometry, allowing the absolute cross section of the mixed hadron beam to be derived. [...]
2014 - Published in : Phys. Rev. C 89 (2014) 034612
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6.
Comparison of the performance of different instruments in the stray neutron field around the CERN Proton Synchrotron / Aza, Eleni (CERN) ; Caresana, Marco ; Cassell, Christopher ; Colombo, Valeria ; Damjanovic, Sanja (CERN) ; Gilardoni, Simone (CERN) ; Manessi, Giacomo Paolo (CERN) ; Pangallo, Michel (CERN) ; Perrin, Daniel (CERN) ; Silari, Marco (CERN)
This paper discusses an intercomparison campaign carried out in several locations around the CERN Proton Synchrotron. The locations were selected in order to perform the measurements in different stray field conditions. [...]
2014 - 6 p. - Published in : Radiat. Prot. Dosim. 161 (2014) 190-195
In : 12th International SYmposium on Neutron and Ion Dosimetry Symposium, Aix-en-provence, France, 3 - 7 Jun 2013, pp.190-195
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7.
Monitoring reactions for the calibration of relativistic hadron beams / Ferrari, A (CERN) ; La Torre, F P (CERN ; Bern U., LHEP) ; Manessi, G P (CERN ; Liverpool U.) ; Pozzi, F (CERN ; Munich, Tech. U.) ; Silari, M (CERN)
The well-known foil activation technique was used to calibrate an ionisation chamber employed for the on-line beam monitoring of a 120 GeV c −1 mixed proton/pion beam at CERN. Two monitoring reactions were employed: the standard 27 Al(p,3pn) 24 Na and the alternative nat Cu(p,x) 24 Na. [...]
2014 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 763 (2014) 177-183 Elsevier Open Access article: PDF;
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8.
The LUPIN detector : supporting least intrusive beam monitoring technique through neutron detection / Manessi, G P (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Silari, M (CERN) ; Welsch, C (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Caresana, M (Milan Polytechnic) ; Ferrarini, M (CNAO, Pavia)
The Long interval, Ultra-wide dynamic Pile-up free Neutron rem counter (LUPIN) is a novel detector initially developed for radiation protection purposes, specifically conceived for applications in pulsed neutron fields. The detector has a measurement capability varying over many orders of neutron burst intensity, from a single neutron up to thousands of interactions for each burst, without showing any saturation effect. [...]
2013 Published version from JACoW: PDF;
In : 2nd International Beam Instrumentation Conference, Oxford, UK, 16 - 19 Sep 2013, pp.WECL3
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Vea también: autores con nombres similares
3 Manessi, G
1 Manessi, Giacomo
3 Manessi, Giacomo Paolo
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