Shinji Okada of RIKEN、Mr. Tadashi Hashimoto、Tatsuno Hideyuki Mr. Lund University、US NIST、By the joint research of the capital size of the space physics experiments、
The first paper was measured with a superconducting TES detector X-rays from the π meson atom in Switzerland of PSI accelerator has been accepted。
The following will be the original paper。

First application of superconducting transition-edge sensor microcalorimeters to hadronic atom X-ray spectroscopy
http://ptep.oxfordjournals.org/content/2016/9/091D01.full?keytype=ref&ijkey=EuBvU5gdo0gD2iY