By Mats Lindroos
The beta-beam thought for the new release of electron neutrino beams used to be first proposed by means of Piero Zucchelli in 2002. the assumption created rather a stir, difficult the concept that severe neutrino beams basically can be made out of the decay of pions or muons in classical neutrino beams amenities or in destiny neutrino factories. the concept that at the beginning struggled to make an influence however the exertions by way of many desktop physicists, phenomenologists and theoreticians during the last 5 years has gained 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 inspiration. The publication describes either technical elements and experimental facets of the beta-beam, offering: scholars and scientists with an perception into the chances provided via beta-beams; facility designers with a kick off point for destiny experiences; and, coverage makers with a entire photo of the bounds and percentages provided by way of a beta-beam.
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Additional info for Beta Beams: Neutrino Beams
In the bottom-right part of the ﬁgure, the collection scenario proposed in  with a box with a hole through the middle for the circulating beam. The box contains foils in which the produced ions are stopped and thermalized. The ions will diﬀuse out of the hot foils and they will be collected and re-ionized for further ionization as in an ISOL target. The cascade of Rutherford scattered beam particles from the primary target will also be collected in the device. In the top-left part of the ﬁgure the collection is down oﬀ-axes with a Wien ﬁlter creating a transverse separation between the circulating beam and the produced ions.
MgO would have to be 60 cm in diameter to keep the power density at the level of the one used today. The proton beam would have to be de-focused an wobbled over the target but providing that a suﬃciently intense 3 He beam can be produced this scenario seems feasible. In Fig. 6 the total cross section for the reaction above is plotted as a function of the projectile energy. Note that below the Coulomb barrier at a few MeV the cross section is vanishing which means that the low energy tail of the ions can be dumped in a passive beam dump without any loss of intensity.
7). Note that if a Wien ﬁlter is used the primary beam may have to be brought back to the nominal closed orbit with a “reversed” Wien ﬁlter further downstream. The physical separation of beam and produced ions will also reduce the background of beam particles deviated to large angles – through simple (single) Rutherford scattering in the target – in the collection device and it increase the total eﬃciency of the collection as there is no need for a “hole” in the collector. 6 Production rates The achievable production rate in a thick (ISOL) target can be estimated using known cross sections and known diﬀusion and eﬀusion parameters.