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Extending the dynamic range of electronics in a Time Projection Chamber
Estee, J.,Lynch, W.G.,Barney, J.,Cerizza, G.,Jhang, G.,Lee, J.W.,Wang, R.,Isobe, T.,Kaneko, M.,Kurata-Nishimura, M.,Murakami, T.,Shane, R.,Tangwancharoen, S.,Tsang, C.Y.,Tsang, M.B.,Hong, B.,Lasko, P. Elsevier 2019 Nuclear instruments & methods in physics research. Vol.944 No.-
<P><B>Abstract</B></P> <P>When Time Projection Chambers (TPCs) are used in low to intermediate heavy ion collisions, the mass and momentum range of the emitted particles cover a wide range in energy losses. Many TPC readout electronics currently only have a single gain output with a fixed dynamic range. In a recent set of experiments using the SAMURAI Pion-Reconstruction and Ion-Tracker (S π RIT) TPC, it was important to simultaneously measure relativistic pions and heavy ion tracks from the same collisions. As the ionization from a track’s energy loss is collected and multiplied by the anode wires, a distribution of image charges is induced on the TPC read-out pads. If the avalanche on a wire is large enough, the charge collected by pads directly underneath will saturate the readout electronics; pads farther away in the distribution will not be saturated. Using these unsaturated pads and the known pad distribution function, we can estimate the charge on saturated pads, increasing the dynamic range by a factor of 5.</P>
Beam commissioning of the SπRIT time projection chamber
Jhang, Genie,Barney, Jon,Estee, Justin,Isobe, Tadaaki,Kaneko, Masanori,Kurata-Nishimura, Mizuki,Cerizza, Giordano,Santamaria, Clementine,Lee, Jung Woo,Lasko, Paweł,Łukasik, Jerzy,Lynch, William G.,McI 한국물리학회 2016 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol. No.
Beam Commissioning of the SπRIT Time Projection Chamber
Genie Jhang,Jon Barney,Justin Estee,Tadaaki Isobe,Masanori Kaneko,Mizuki Kurata-Nishimura,Giordano Cerizza,Clementine Santamaria,Jung Woo Lee,Paweł Lasko,Jerzy Łukasik,William G. Lynch,Alan B. McIntos 한국물리학회 2016 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.69 No.2
The SπRIT Time Projection Chamber (TPC) was constructed at Michigan State University in the U.S.A. and transported to the Radioactive Isotope Beam Factory at RIKEN in Japan. In October 2015, the SπRIT TPC was commissioned with 200 AMeV 79Se beams outside the SAMURAI dipole magnet. The experimental setup consists of the SπRIT TPC, a Multiplicity Trigger Array, a KATANA array, and a Active Veto array. The TPC is fully equipped with a newly-developed read-out electronics system, GET electronics. The trigger logic to select events of the TPC based on the ancillary detectors was tested. The analysis software, SπRITROOT, was developed to analyze the SπRIT TPC data to determine the best trigger logic for upcoming experiments.
SπRIT: A time-projection chamber for symmetry-energy studies
Shane, R.,McIntosh, A.B.,Isobe, T.,Lynch, W.G.,Baba, H.,Barney, J.,Chajecki, Z.,Chartier, M.,Estee, J.,Famiano, M.,Hong, B.,Ieki, K.,Jhang, G.,Lemmon, R.,Lu, F.,Murakami, T.,Nakatsuka, N.,Nishimura, M Elsevier 2015 Nuclear Instruments & Methods in Physics Research. Vol.784 No.-
<P><B>Abstract</B></P> <P>A time-projection chamber (TPC) called the SAMURAI Pion-Reconstruction and Ion-Tracker (SπRIT) has recently been constructed at Michigan State University as part of an international effort to constrain the symmetry-energy term in the nuclear Equation of State (EoS). The SπRIT TPC will be used in conjunction with the SAMURAI spectrometer at the Radioactive Isotope Beam Factory (RIBF) at RIKEN to measure yield ratios for pions and other light isospin multiplets produced in central collisions of neutron-rich heavy ions, such as <SUP>132</SUP>Sn+<SUP>124</SUP>Sn. The SπRIT TPC can function both as a TPC detector and as an active target. It has a vertical drift length of 50cm, parallel to the magnetic field. Gas multiplication is achieved through the use of a multi-wire anode plane. Image charges, produced in the 12096 pads, are read out with the recently developed Generic Electronics for TPCs.</P>
A vueltas con las maneras de narrar de Galdós hacia fin de siglo
Francisco Estévez 한국스페인어문학회 2010 스페인어문학 Vol.0 No.57
Pese a los numerosos y valiosos estudios que existen sobre el escritor, faltan aún trabajos que analicen el sutil estilode Benito Pérez Galdós. En este trabajo se analiza el fragmento inicial de donde realiza el retrato de uno de los personajes más famosos del autor se intenta ahondar en el estudio de sus recursos estilísticos-constructivos.
Baer-Kaplansky Theorem for Modules over Non-commutative Algebras
D'Este, Gabriella,Tutuncu, Derya KeskIn Department of Mathematics 2021 Kyungpook mathematical journal Vol.61 No.2
In this paper we investigate the Baer-Kaplansky theorem for module classes on algebras of finite representation types over a field. To do this we construct finite dimensional quiver algebras over any field.