We also make predictions for the pionic interferometric radii, which decrease with the transverse momentum of the pion pair.
Piotr Bożek, Wojciech Broniowski 2015, 'Hydrodynamic modeling of 3He–Au collisions at sNN=200 GeV', Physics Letters Bhttp://www.sciencedirect.com/science/article/pii/S0370269315004128. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We conduct an experimental project to make spectroscopy of deeply bound pionic atoms systematically over wide range of nuclei.
Itahashi Kenta, Ahn DeukSoon, Berg Georg P.A., Dozono Masanori, Etoh Daijiro, FujiokaHiroyuki, Fukuda Naoki, Fukunishi Nobuhisa, Geissel Hans, Haettner Emma, HashimotoTadashi, Hayano Ryugo S., Hirenzaki Satoru, Horii Hiroshi, Ikeno Natsumi, Inabe Naoto,Iwasaki Masahiko, Kameda Daisuke, Kawase Shouichiro, Kisamori Keiichi, Kiyokawa Yu,Kubo Toshiyuki, Kusaka Kensuke, Matsushita Masafumi, Michimasa Shin'ichiro, MishimaGo, Miya Hiroyuki, Murai Daichi, Nagahiro Hideko, Nishi Takahiro, Ota Shinsuke, SakamotoNaruhiko, Sekiguchi Kimiko, Suzuki Hiroshi, Suzuki Ken, Takaki Motonobu, Takeda Hiroyuki,Tanaka Yoshiki K., Uesaka Tomohiro, Wada Yasumori, Watanabe Yuni N., Weick Helmut,Yamakami Hiroki, Yanagisawa Yoshiyuki, Yoshida Koichi 2016, 'Precision spectroscopy of pionic atoms and chiral symmetry in nuclei', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201613001017. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
At the hadronic level the polarization corresponds to the cores of quantized vortices in pionic superfluid.
Baznat Mircea, Gudima Konstantin, Prokhorov George, Sorin Alexander, Teryaev Oleg,Zakharov Valentin 2018, 'Vorticity and Λ polarization in baryon rich matter', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201817107003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
From the results and based on the mentioned model, by considering pionic contribution, the theoretical results are improved.
R. Rostami, F. Zolfagharpour 2016, 'Investigation of Pionic Contribution in the Lepton and Antilepton Production CrossSection in p-Cu and p-Pt Collision', Advances in High Energy Physicshttp://dx.doi.org/10.1155/2016/1402767. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To clarify dynamical issues involved we rely mostly on a (well-known) toy model of pionic superfluidity.
Zakharov V. I., Teryaev O. V. 2018, 'Chiral fluids: a few theoretical issues', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201818202131. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Due to the precise knowledge of the muon mass the muonic line provides the energy calibration for the pionic transition.
M. Trassinelli, D.F. Anagnostopoulos, G. Borchert, A. Dax, J.-P. Egger, D. Gotta,M. Hennebach, P. Indelicato, Y.-W. Liu, B. Manil, N. Nelms, L.M. Simons, A. Wells 2016, 'Measurement of the charged pion mass using X-ray spectroscopy of exotic atoms', Physics Letters Bhttp://www.sciencedirect.com/science/article/pii/S0370269316302787. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)