@article {90,
	title = {Monte-Carlo based performance assessment of ASACUSA{\textquoteright}s antihydrogen detector},
	journal = {Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment},
	volume = {910},
	year = {2018},
	pages = {90 - 95},
	abstract = {<p>An antihydrogen detector consisting of a thin BGO disk and a surrounding plastic scintillator hodoscope has been developed. We have characterized the two-dimensional positions sensitivity of the thin BGO disk and energy deposition into the BGO was calibrated using cosmic rays by comparing experimental data with Monte-Carlo simulations. The particle tracks were defined by connecting BGO hit positions and hits on the surrounding hodoscope scintillator bars. The event rate was investigated as a function of the angles between the tracks and the energy deposition in the BGO for simulated antiproton events, and for measured and simulated cosmic ray events. Identification of the antihydrogen Monte Carlo events was performed using the energy deposited in the BGO and the particle tracks. The cosmic ray background was limited to 12\&nbsp;mHz with a detection efficiency of 81\%. The signal-to-noise ratio was improved from 0.22\&nbsp;s-1/2 obtained with the detector in 2012 to 0.26\&nbsp;s-1/2 in this work.</p>
},
	keywords = {Antihydrogen, antimatter, Calorimeter, Detector, Tracker},
	issn = {0168-9002},
	doi = {10.1016/j.nima.2018.09.013},
	url = {http://www.sciencedirect.com/science/article/pii/S0168900218311227},
	author = {Y. Nagata and N. Kuroda and B. Kolbinger and M. Fleck and C. Malbrunot and V. M{\"a}ckel and C. Sauerzopf and M.C. Simon and M. Tajima and J. Zmeskal and H. Breuker and H. Higaki and Y. Kanai and Y. Matsuda and S. Ulmer and L. Venturelli and E. Widmann and Y. Yamazaki}
}
@article {76,
	title = {Direct detection of antihydrogen atoms using a BGO crystal},
	journal = {Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment},
	volume = {840},
	year = {2016},
	pages = {153 - 159},
	abstract = {<p>Abstract The \{ASACUSA\} collaboration has developed a detector consisting of a large size \{BGO\} crystal to detect an atomic antihydrogen beam, and performed the direct detection of antihydrogen atoms. Energy spectra from antihydrogen annihilation on the \{BGO\} crystal are discussed in comparison to simulation results from the \{GEANT4\} toolkit. Background mainly originating from cosmic rays were strongly suppressed by analyzing the energy deposited in the \{BGO\} and requiring a multiplicity of charged pions. Thus antihydrogen events were identified.</p>
},
	keywords = {Antihydrogen, antimatter, Cosmic ray background suppression, Detector, Inorganic scintillator},
	issn = {0168-9002},
	doi = {http://dx.doi.org/10.1016/j.nima.2016.10.019},
	url = {http://www.sciencedirect.com/science/article/pii/S0168900216310440},
	author = {Y. Nagata and N. Kuroda and M. Ohtsuka and M. Leali and E. Lodi-Rizzini and V. Mascagna and M. Tajima and H.A. Torii and N. Zurlo and Y. Matsuda and L. Venturelli and Y. Yamazaki}
}
