Transverse Emittance Reduction in Muon Beams by Ionization Cooling
Abstract
Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. The main challenge for muon acceleration and storage stems from the large phase-space volume occupied by the beam, derived from the muon production mechanism through the decay of pions from proton collisions. Ionization cooling is the technique proposed to decrease the muon beam phase-space volume. Here we demonstrate a clear signal of ionization cooling through the observation of transverse emittance reduction in beams that traverse lithium hydride or liquid hydrogen absorbers in the Muon Ionization Cooling Experiment (MICE). The measurement is well reproduced by the simulation of the experiment and the theoretical model. The results shown here represent a substantial advance towards the realization of muon-based facilities that could operate at the energy and intensity frontiers.
Cite
@article{arxiv.2310.05669,
title = {Transverse Emittance Reduction in Muon Beams by Ionization Cooling},
author = {The MICE Collaboration and M. Bogomilov and R. Tsenov and G. Vankova-Kirilova and Y. P. Song and J. Y. Tang and Z. H. Li and R. Bertoni and M. Bonesini and F. Chignoli and R. Mazza and A. de Bari and D. Orestano and L. Tortora and Y. Kuno and H. Sakamoto and A. Sato and S. Ishimoto and M. Chung and C. K. Sung and F. Filthaut and M. Fedorov and D. Jokovic and D. Maletic and M. Savic and N. Jovancevic and J. Nikolov and M. Vretenar and S. Ramberger and R. Asfandiyarov and A. Blondel and F. Drielsma and Y. Karadzhov and S. Boyd and J. R. Greis and T. Lord and C. Pidcott and I. Taylor and G. Charnley and N. Collomb and K. Dumbell and A. Gallagher and A. Grant and S. Griffiths and T. Hartnett and B. Martlew and A. Moss and A. Muir and I. Mullacrane and A. Oates and P. Owens and G. Stokes and P. Warburton and C. White and D. Adams and V. Bayliss and J. Boehm and T. W. Bradshaw and C. Brown and M. Courthold and J. Govans and T. Hayler and M. Hills and J. B. Lagrange and C. Macwaters and A. Nichols and R. Preece and S. Ricciardi and C. Rogers and T. Stanley and J. Tarrant and M. Tucker and S. Watson and A. Wilson and R. Bayes and J. C. Nugent and F. J. P. Soler and G. T. Chatzitheodoridis and A. J. Dick and K. Ronald and C. G. Whyte and A. R. Young and R. Gamet and P. Cooke and V. J. Blackmore and D. Colling and A. Dobbs and P. Dornan and P. Franchini and C. Hunt and P. B. Jurj and A. Kurup and K. Long and J. Martyniak and S. Middleton and J. Pasternak and M. A. Uchida and J. H. Cobb and C. N. Booth and P. Hodgson and J. Langlands and E. Overton and V. Pec and P. J. Smith and S. Wilbur and M. Ellis and R. B. S. Gardener and P. Kyberd and J. J. Nebrensky and A. DeMello and S. Gourlay and A. Lambert and D. Li and T. Luo and S. Prestemon and S. Virostek and M. Palmer and H. Witte and D. Adey and A. D. Bross and D. Bowring and A. Liu and D. Neuffer and M. Popovic and P. Rubinov and B. Freemire and P. Hanlet and D. M. Kaplan and T. A. Mohayai and D. Rajaram and P. Snopok and Y. Torun and L. M. Cremaldi and D. A. Sanders and L. R. Coney and G. G. Hanson and C. Heidt},
journal= {arXiv preprint arXiv:2310.05669},
year = {2023}
}
Comments
23 pages and 5 figures