TY - JOUR
T1 - Extending the dynamic range of electronics in a Time Projection Chamber
AU - SπRIT collaboration
AU - Estee, J.
AU - Lynch, W. G.
AU - Barney, J.
AU - Cerizza, G.
AU - Jhang, G.
AU - Lee, J. W.
AU - Wang, R.
AU - Isobe, T.
AU - Kaneko, M.
AU - Kurata-Nishimura, M.
AU - Murakami, T.
AU - Shane, R.
AU - Tangwancharoen, S.
AU - Tsang, C. Y.
AU - Tsang, M. B.
AU - Hong, B.
AU - Lasko, P.
AU - Łukasik, J.
AU - McIntosh, A. B.
AU - Pawłowski, P.
AU - Pelczar, K.
AU - Sakurai, H.
AU - Santamaria, C.
AU - Suzuki, D.
AU - Yennello, S. J.
AU - Zhang, Y.
N1 - Funding Information:
This work was supported by the U.S. Department of Energy, USA under Grant Nos. DE-SC0014530 , DE-NA0002923 , DE-FGC2-93ER40773 , US National Science Foundation, United States Grant No. PHY-1565546 , the Japanese MEXT, Japan KAKENHI (Grant-in-Aid for Scientific Research on Innovative Areas) grant No. 24105004 , the National Research Foundation of Korea under grant Nos. 2016K1A3A7A09005578 , 2018R1A5A1025563 , the Polish National Science Center (NCN) , Poland, under contract Nos. UMO-2013/09/B/ST2/04064 , UMO-2013/-10/M/ST2/00624 , and the Robert A. Welch Foundation, United States (A-1266). The computing resources for analyzing the data was supported by the HOKUSAI-GreatWave system at RIKEN, the Institute for Cyber-Enabled Research (ICER) cluster at Michigan State University, and the EMBER cluster at the NSCL.
Funding Information:
This work was supported by the U.S. Department of Energy, USA under Grant Nos. DE-SC0014530, DE-NA0002923, DE-FGC2-93ER40773, US National Science Foundation, United States Grant No. PHY-1565546, the Japanese MEXT, Japan KAKENHI (Grant-in-Aid for Scientific Research on Innovative Areas) grant No. 24105004, the National Research Foundation of Korea under grant Nos. 2016K1A3A7A09005578, 2018R1A5A1025563, the Polish National Science Center (NCN), Poland, under contract Nos. UMO-2013/09/B/ST2/04064, UMO-2013/-10/M/ST2/00624, and the Robert A. Welch Foundation, United States (A-1266). The computing resources for analyzing the data was supported by the HOKUSAI-GreatWave system at RIKEN, the Institute for Cyber-Enabled Research (ICER) cluster at Michigan State University, and the EMBER cluster at the NSCL.
Publisher Copyright:
© 2019 Elsevier B.V.
PY - 2019/11/11
Y1 - 2019/11/11
N2 - 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 (SπRIT) 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.
AB - 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 (SπRIT) 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.
KW - Dynamic range
KW - Heavy ion collisions
KW - TPC
UR - http://www.scopus.com/inward/record.url?scp=85070707175&partnerID=8YFLogxK
U2 - 10.1016/j.nima.2019.162509
DO - 10.1016/j.nima.2019.162509
M3 - Article
AN - SCOPUS:85070707175
SN - 0168-9002
VL - 944
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
M1 - 162509
ER -