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Your search keyword '"P. J. C. King"' showing total 2 results
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2 results on '"P. J. C. King"'

1. Experimental determination of the energy dependence of the rate of the muon transfer reaction from muonic hydrogen to oxygen for collision energies up to 0.1 eV

Author

M. Stoilov, A. Adamczak, D. Bakalov, P. Danev, E. Mocchiutti, C. Pizzolotto, G. Baldazzi, M. Baruzzo, R. Benocci, M. Bonesini, D. Cirrincione, M. Clemenza, F. Fuschino, A. D. Hillier, K. Ishida, P. J. C. King, A. Menegolli, S. Monzani, R. Ramponi, L. P. Rignanese, R. Sarkar, A. Sbrizzi, L. Tortora, E. Vallazza, A. Vacchi, Stoilov M., Adamczak A., Bakalov D., Danev P., Mocchiutti E., Pizzolotto C., Baldazzi G., Baruzzo M., Benocci R., Bonesini M., Cirrincione D., Clemenza M., Fuschino F., Hillier A.D., Ishida K., King P.J.C., Menegolli A., Monzani S., Ramponi R., Rignanese L.P., Sarkar R., Sbrizzi A., Tortora L., Vallazza E., and Vacchi A.

Subjects
Atomic, Molecular & Optical, Atomic Physics (physics.atom-ph), FOS: Physical sciences, Scattering of atoms, molecules, clusters & ion, Fine & hyperfine structure, Physics - Atomic Physics
Abstract

We report the first experimental determination of the collision-energy dependence of the muon transfer rate from the ground state of muonic hydrogen to oxygen at near-thermal energies. A sharp increase by nearly an order of magnitude in the energy range 0 - 70 meV was found that is not observed in other gases. The results set a reliable reference for quantum-mechanical calculations of low-energy processes with exotic atoms, and provide firm ground for the measurement of the hyperfine splitting in muonic hydrogen and the determination of the Zemach radius of the proton by the FAMU collaboration., 30 pages, 10 figures

Published
2023

2. The FAMU experiment: muonic hydrogen high precision spectroscopy studies

Author

Joseph Niemela, E. Vallazza, Alessandro Menegolli, Giuseppe Baldazzi, Eugenio Fasci, V. Bonvicini, F. Fuschino, E. Furlanetto, Massimiliano Clemenza, R. Mazza, Barbara Patrizi, R. Sarkar, M. Citossi, P. J. C. King, D. Cirrincione, L. Stoychev, Humberto Cabrera, D. Guffanti, R. Bertoni, C. De Vecchi, A. Pullia, A. de Bari, K. Ishida, M. Baruzzo, Roberta Ramponi, C. Xiao, K. S. Gadedjisso-Tossou, Angela Pirri, P. Danev, Miltcho B. Danailov, H. E. Roman, A. Vacchi, Dimitar Bakalov, M. Stoilov, Gianluca Morgante, L. Colace, M. Rossella, C. Pizzolotto, Livio Gianfrani, L. Tortora, Valter Maggi, Guido Toci, A. Sbrizzi, Luigi Moretti, M. Bonesini, E. Mocchiutti, Andrzej Adamczak, M. Vannini, J. J. Suárez-Vargas, Adrian D. Hillier, Roberto Benocci, G. Zampa, M. De Vincenzi, L. P. Rignanese, Claudio Labanti, F. Chignoli, Pizzolotto, C., Adamczak, A., Bakalov, D., Baldazzi, G., Baruzzo, M., Benocci, R., Bertoni, R., Bonesini, M., Bonvicini, V., Cabrera, H., Cirrincione, D., Citossi, M., Chignoli, F., Clemenza, M., Colace, L., Danailov, M., Danev, P., de Bari, A., De Vecchi, C., de Vincenzi, M., Fasci, E., Furlanetto, E., Fuschino, F., Gadedjisso-Tossou, K. S., Gianfrani, L., Guffanti, D., Hillier, A. D., Ishida, K., King, P. J. C., Labanti, C., Maggi, V., Mazza, R., Menegolli, A., Mocchiutti, E., Moretti, L., Morgante, G., Niemela, J., Patrizi, B., Pirri, A., Pullia, A., Ramponi, R., Rignanese, L. P., Roman, H. E., Rossella, M., Sarkar, R., Sbrizzi, A., Stoilov, M., Stoychev, L., Suarez-Vargas, J. J., Toci, G., Tortora, L., Vallazza, E., Vannini, M., Xiao, C., Zampa, G., Vacchi, A., Suárez-Vargas, J. J., Pizzolotto, C, Adamczak, A, Bakalov, D, Baldazzi, G, Baruzzo, M, Benocci, R, Bertoni, R, Bonesini, M, Bonvicini, V, Cabrera, H, Cirrincione, D, Citossi, M, Chignoli, F, Clemenza, M, Colace, L, Danailov, M, Danev, P, de Bari, A, De Vecchi, C, de Vincenzi, M, Fasci, E, Furlanetto, E, Fuschino, F, Gadedjisso-Tossou, K, Gianfrani, L, Guffanti, D, Hillier, A, Ishida, K, King, P, Labanti, C, Maggi, V, Mazza, R, Menegolli, A, Mocchiutti, E, Moretti, L, Morgante, G, Niemela, J, Patrizi, B, Pirri, A, Pullia, A, Ramponi, R, Rignanese, L, Roman, H, Rossella, M, Sarkar, R, Sbrizzi, A, Stoilov, M, Stoychev, L, Suarez-Vargas, J, Toci, G, Tortora, L, Vallazza, E, Vannini, M, Xiao, C, Zampa, G, and Vacchi, A

Subjects
X-ray detector, Physics, Nuclear and High Energy Physics, Muon, Proton, 010308 nuclear & particles physics, hyperfine splitting, Hadron, proton Zemach radiu, Radius, 01 natural sciences, Oxygen, Nuclear physics, Charge radius, Transfer rate, 0103 physical sciences, LaBr3:Ce scintillator, Physics::Atomic Physics, 010306 general physics, Ground state, Hyperfine structure, muonic hydrogen, Exotic atom
Abstract

The FAMU experiment aims to measure for the first time the hyperfine splitting of the muonic hydrogen ground state. From this measurement the proton Zemach radius can be derived and this will shed light on the determination of the proton charge radius. In this paper, we describe the scientific goal, the method and the detailed preparatory work. This includes the outcome of preliminary measurements, subsequent refined simulations and the evaluation of the expected results. The experimental setup being built for the measurement of the hyperfine splitting to be performed at the RAL laboratory muon facility is also described.

Published
2020
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