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Calcaterra A., M. Perl, Patteri P., Piccolo M. et autres
The problem of gravity propagation has been subject of discussion for quite a long time: Newton, Laplace and, in relatively more modern times, Eddington pointed out that, if gravity propagated with finite velocity, planets motion around the sun would become unstable due …
Abada A., Adams Gs, Agoh T., Allen M.T. et autres
This Conceptual Design Report presents a detailed program of high statistics heavy flavour physics that has sensitivity to physics beyond the Standard Model through the measurement of CP-violating asymmetries, rare decay branching fractions, and kinematic distributions affected by new heavy particles in …
Abada A., Adams Gs, Agoh T., Allen M.T. et autres
This Conceptual Design Report presents a detailed program of high statistics heavy flavour physics that has sensitivity to physics beyond the Standard Model through the measurement of CP-violating asymmetries, rare decay branching fractions, and kinematic distributions affected by new heavy particles in …
D. Falciai, De Fatis Tabarelli, Mannocchi G., Patteri P. et autres
In this paper we propose a new concept for streamer quenching in Resistive Plate Chambers (RPCs). In our approach, the multiplication process is quenched by the appropriate design of a mechanical structure inserted between the two resistive electrodes. We show that stable …
Baldini R., Benussi L., O. H. Bilokon, Durante E. et autres
ScienzaPerTutti (http://scienzapertutti.lnf.infn.it) sviluppa un progetto di comunicazione/divulgazione sui temi della scienza, rivolto al pubblico generico con particolare attenzione al mondo della scuola. Realizzato da ricercatori dei Laboratori Nazionali di Frascati dell'NFN, in due anni ha totalizzato oltre 1500000 accessi. Caratteristiche qualificanti sono: …
The feasibility studies and luminosity estimates of some conceivable asymmetric e^+ e^- linac-ring colliders are presented. The peculiar features of some storage rings(PETRA, CESR, SPS, PEP II) are discussed in order to achieve a goal luminosity L≈10^{30} ÷ 10^{31} cm^{-2} s^{-1} at …
Artru X., Castellano M, Catani L., Chehab R. et autres
Optical Transition Radiation (OTR) provides an attractive mothod for diagnostics on electron/positron beams of small dimensions at high energies (GeV). However, some limits on the geometrical resolution at very high energies have been often discussed in the literature and a minimum value …
Cacciotti L, Castellano M, Catani L., Patteri P. et autres
È descritto il sistema elettronico di misura della posizione del fascio con i rivelatori a stripline (Beam Position Monitors, BPM), realizzato nella seconda metà del 1995. Sono riportate le procedure di messa a punto e i risultati dei test di caratterizzazione di …
Castellano M, Catani L., Ferrario M, Kulinski S. et autres
The commissioning of the LISA superconducting (SC) RF electron linac at INFN Frascati Laboratories has been concluded although, due to a change in program priorities, the full possibilities of the machine have not been exploited.In this report we illustrate the results achieved …
Castellano M, Catani L., Cevenini F., Ferrario M et autres
The first operation of the whole superconducting (SC) linac LISA has been carried out in March 1994. The beam has been accelerated by the four SC cavities to 18 MeV. The macropulse was 1 ms long with a current of 0,5 mA. …
Castellano M, Catani L., Ferrario M, Gregorini L. et autres
The main features of Optical Transition Radiation (OTR) backward emitted by a 1 MeV electron beam crossing a vacuum-to-metal boundary are presented. The possible use of OTR as a diagnostic tool for such a low energy beam is discussed, and some preliminary …
Castellano M, Catani L., Cevenini F., Ciocci F. et autres
The construction of the superconducting linac LISA and the transport line to the 25 MeV spectrometer has been completed in July. The commissioning of the whole machine will be carried on starting in September. The installation of the 25 MeV arc to …
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