The AEgIS experiment at CERN aims to perform the first direct measurement of gravitational interaction between matter and antimatter by measuring the deviation of a cold antihydrogen beam in the Earth gravitational field. The design of the experiment has been recently updated to include emulsion films as position sensitive detector. The submicrometric position accuracy of emulsions leads indeed to a significant improvement of the experimental sensitivity. We present results of preliminary tests and discuss perspectives for the final measurement.
Emulsion detectors for the antihydrogen detection in AEgIS / C. Pistillo, S. Aghion, C. Amsler, A. Ariga, T. Ariga, A. Belov, G. Bonomi, P. Bräunig, J. Bremer, R.S. Brusa, L. Cabaret, M. Caccia, R. Caravita, F. Castelli, G. Cerchiari, K. Chlouba, S. Cialdi, D. Comparat, G. Consolati, A. Demetrio, H. Derking, L. Di Noto, M. Doser, A. Dudarev, A. Ereditato, R. Ferragut, A. Fontana, S. Gerber, M. Giammarchi, A. Gligorova, S. Gninenko, S. Haider, S. Hogan, H. Holmestad, T. Huse, E.J. Jordan, J. Kawada, A. Kellerbauer, M. Kimura, D. Krasnický, V. Lagomarsino, S. Lehner, C. Malbrunot, S. Mariazzi, V. Matveev, Z. Mazzotta, G. Nebbia, P. Nédélec, M. Oberthaler, N. Pacifico, L. Penasa, V. Petráček, F. Prelz, M. Prevedelli, L. Ravelli, C. Riccardi, O. Røhne, S. Rosenberger, A. Rotondi, H. Sandaker, R. Santoro, P. Scampoli, M. Simon, M. Špaček, J. Storey, I.M. Strojek, M. Subieta, G. Testera, E. Widmann, P. Yzombard, S. Zavatarelli, J. Zmeskal. - In: HYPERFINE INTERACTIONS. - ISSN 0304-3843. - 233:1-3(2015), pp. 29-34. [10.1007/s10751-015-1175-3]
Emulsion detectors for the antihydrogen detection in AEgIS
F. Castelli;S. Cialdi;M. Giammarchi;Z. Mazzotta;F. Prelz;
2015
Abstract
The AEgIS experiment at CERN aims to perform the first direct measurement of gravitational interaction between matter and antimatter by measuring the deviation of a cold antihydrogen beam in the Earth gravitational field. The design of the experiment has been recently updated to include emulsion films as position sensitive detector. The submicrometric position accuracy of emulsions leads indeed to a significant improvement of the experimental sensitivity. We present results of preliminary tests and discuss perspectives for the final measurement.
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