By Mats Lindroos
The beta-beam suggestion for the new release of electron neutrino beams was once first proposed by way of Piero Zucchelli in 2002. the belief created fairly a stir, demanding the concept severe neutrino beams purely will be made out of the decay of pions or muons in classical neutrino beams amenities or in destiny neutrino factories. the idea that at the beginning struggled to make an influence however the exertions via many computing device physicists, phenomenologists and theoreticians during the last 5 years has received the beta-beam a well-earned place as one of many frontrunners for a potential destiny international laboratory for top depth neutrino oscillation physics. this can be the 1st entire monograph at the beta-beam idea. The booklet describes either technical facets and experimental features of the beta-beam, supplying: scholars and scientists with an perception into the probabilities provided through beta-beams; facility designers with a kick off point for destiny experiences; and, coverage makers with a entire photograph of the boundaries and chances provided via a beta-beam.
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Extra info for Beta Beams: Neutrino Beams
G. feeding hadron colliders) or using a machine speciﬁcally designed for the acceleration of Radioactive Ion Beams (RIB); in an existing machine the losses have a tendency of being equally distributed over the circumference while for a machine designed for RIBs the losses can be concentrated to certain sections in which collimators and absorbers (see Fig. 12) can help reduce the negative eﬀects of the losses . For the beta-beam facility studied in  the lattice and aperture have been chosen so that lost ions can be dumped in a controlled way or intercepted by absorbers .
The produced ions are separated after the target in an electro-static mass and velocity ﬁlter resulting in a rather large emittance but isotopically pure beam. The ISOL method (see Fig. 3) uses a thick target in which a beam of particles is almost stopped. At higher energies this will result in 32 Accelerated Generated Neutrino Beams: Beta Beams Fig. 3 At most operation ISOL facilities, a thick and hot target is used (right). The driver beam induces nuclear reactions throughout a large volume of the target and any isotope with a “boiling point” below the temperature of the assembly will diﬀuse out of the target matrix.
It is worth noting that the procedure discussed above is suitable only for quasi-elastic events (νl n → l− p). Indeed, for non-quasi-elastic events more particles present in the ﬁnal state are either ˇ below the Cerenkov threshold or are neutral, resulting in a poor measurement of the total event energy. Furthermore, the presence of more than one particle above threshold produces more than one ring, spoiling the particle identiﬁcation capability of the detector. The MEMPHYS (Megaton Mass Physics) detector  is a megatonˇ class water Cerenkov in straight extrapolation of the well-known and robust technique used for the Super-Kamiokande detector.
Beta Beams: Neutrino Beams by Mats Lindroos