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- Chung, Moses
- Intense Beam and Accelerator Lab.
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Development of a PbWO4 Detector for Single-Shot Positron Annihilation Lifetime Spectroscopy at the GBAR Experiment
- Author(s)
- Kim, B. H., Choi, J. J., Chung, M., Clade, P., Comini, P., Crivelli, P., Crepin, P-P, Dalkarov, O., Debu, P., Dodd, L., Douillet, A., Froehlich, P., Guellati, S., Heinrich, J., Hervieux, P-A, Hilico, L., Husson, A., Indelicato, P., Janka, G., Jonsell, S., Karr, J-P, Kim, E-S, Kim, S. K., Ko, Y., Kosinski, T., Kuroda, N., Latacz, B., Lee, H., Lee, J., Leite, A. M. M., Lim, E., Liszkay, L., Louvradoux, T., Lunney, D., Leveque, K., Manfredi, G., Mansoulie, B., Matusiak, M., Mornacchi, G., Nesvizhevsky, V. V., Nez, F., Niang, S., Nishi, R., Nourbaksh, S., Lotrus, P., Park, K. H., Paul, N., Perez, P., Radics, B., Regenfus, C., Reynaud, S., Rousse, J-Y, Rubbia, A., Rzadkiewicz, J., Sacquin, Y., Schmidt-Kaler, F., Staszczak, M., Tuchming, B., Vallage, B., van der Werf, D. P., Voronin, A., Welker, A., Wolf, S., Won, D., Wronka, S., Yamazaki, Y., Yoo, K-H
- Issued Date
- 2020-02
- Citation
- ACTA PHYSICA POLONICA A, v.137, no.2, pp.122 - 125
- Abstract
- We have developed a PbWO4 (PWO) detector with a large dynamic range to measure the intensity of a positron beam and the absolute density of the ortho-positronium (o-Ps) cloud it creates. A simulation study shows that a setup based on such detectors may be used to determine the angular distribution of the emission and reflection of o-Ps to reduce part of the uncertainties of the measurement. These will allow to improve the precision in the measurement of the cross-section for the (anti)hydrogen formation by (anti)proton-positronium charge exchange and to optimize the yield of antihydrogen ion which is an essential parameter in the GBAR experiment.
- Publisher
- POLISH ACAD SCIENCES INST PHYSICS
- ISSN
- 0587-4246
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