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A Method to Produce Linearly Polarized Positrons and Positronium Atoms with the J-PET Detector

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Mohammed M., Białas P., Curceanu C., Czerwiński E., Dulski K., Gajos A., Głowacz B., Gorgol M., Hiesmayr B., Jasińska B., Kisielewska D., Korcyl G., Kowalski P., Kozik T., Krawczyk N., Krzemień W., Kubicz E., Pawlik-Niedźwiecka M., Niedźwiecki S., Pałka M., Raczyński L., Raj J., Rudy Z., Sharma N., Sharma S., Shivani, Skurzok M., Silarski M., Wieczorek A., Wiślicki W., Zgardzińska B., Zieliński M., Moskal P.

Acta Physica Polonica A

2017

vol. 132

issue 5

1486-1489

A method for creating linearly polarized positrons and ortho-positronium (o-Ps) atoms with the J-PET detector is presented. The unique geometry and properties of the J-PET tomography enable one to design a positron source such that the quantization axis for the estimation of the linear polarization of produced o-Ps can be determined on the event by event basis in a direction of the positron motion. We intend to use ²²Na or other β⁺ decay isotopes as a source of polarized positrons. Due to the parity violation in the beta decay, the emitted positrons are longitudinally polarized. The choice of the quantization axis is based on the known position of the positron emitter and the reconstructed position of the positronium annihilation. We show that the J-PET tomography is equipped with all needed components.

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1 Acta Physica Polonica A

1 2017

1 Białas P.

1 Curceanu C.

1 Czerwiński E.

1 Dulski K.

1 Gajos A.

1 Gorgol M.

1 Głowacz B.

1 Hiesmayr B.

1 Jasińska B.

1 Kisielewska D.

1 Korcyl G.

1 Kowalski P.

1 Kozik T.

1 Krawczyk N.

1 Krzemień W.

1 Kubicz E.

1 Mohammed M.

1 Moskal P.

1 Niedźwiecki S.

1 Pawlik-Niedźwiecka M.

1 Pałka M.

1 Raczyński L.

1 Raj J.

1 Rudy Z.

1 Sharma N.

1 Sharma S.

1 Shivani

1 Silarski M.

1 Skurzok M.

1 Wieczorek A.

1 Wiślicki W.

1 Zgardzińska B.

1 Zieliński M.

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A Method to Produce Linearly Polarized Positrons and Positronium Atoms with the J-PET Detector