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Optimization of spacer and gas distribution inside glass resistive plate chamber (RPC) is reported. Simulation studies demonstrate improvements on the gas flow velocity homogeneity and lower vorticity inside the gas chamber. The optimized…

Instrumentation and Detectors · Physics 2022-01-05 L. Mao , F. Lagarde , J. Guo , X. Wang , J. Li , Q. Shen , J. Zhu , H. Yang

Particle identification (PID) is a fundamental aspect of the ALICE detector system, central to its heavy-ion and proton-proton physics programs. Among the different PID strategies, ALICE uses the Time-Of-Flight (TOF) detector to identify…

Instrumentation and Detectors · Physics 2025-11-14 ALICE Collaboration

We have demonstrated that small gap (0.1 to 0.4 mm) RPCs made of low resistivity materials (less than 1E8 Ohm.cm) can operate at counting rates of up to 1E5 Hz/mm2 with position resolutions better than 50 micrometer. Results of preliminary…

Instrumentation and Detectors · Physics 2009-11-07 T. Francke , P. Fonte , V. Peskov , J. Rantanen

The Dark Matter Time Projection Chamber (DMTPC) is a direction-sensitive detector designed to measure the direction of recoiling $^{19}$F and $^{12}$C nuclei in low-pressure CF$_4$ gas using optical and charge readout systems. In this…

Instrumentation and Methods for Astrophysics · Physics 2017-06-21 Cosmin Deaconu , Michael Leyton , Ross Corliss , Gabriela Druitt , Richard Eggleston , Natalia Guerrero , Shawn Henderson , Jeremy Lopez , Jocelyn Monroe , Peter Fisher

Fast timing detectors are an essential element in the experimental setup for time-of-flight (ToF) mass measurements of unstable nuclei. We have upgraded the scintillator detectors used in experiments at the National Superconducting…

A plastic scintillator bar with dimensions 300 cm x 2.5 cm x 11 cm was exposed to a focused muon beam to study its light yield and timing characteristics as a function of position and angle of incidence. The scintillating light was read out…

Instrumentation and Detectors · Physics 2017-08-07 A. Blondel , D. Breton , A. Dubreuil , A. Khotyantsev , A. Korzenev , J. Maalmi , A. Mefodev , P. Mermod , E. Noah

The Dark Matter Time Projection Chamber (DMTPC) is a low pressure (75 Torr CF4) 10 liter detector capable of measuring the vector direction of nuclear recoils with the goal of directional dark matter detection. In this paper we present the…

Resistive gaseous detectors can be broadly defined as those operated in conditions where virtually no field lines exist that connect any two metallic electrodes sitting at different potential. This condition can be operationally recognized…

Instrumentation and Detectors · Physics 2015-06-05 Diego Gonzalez-Diaz , Archana Sharma

The barrel time-of-flight detector for the PANDA experiment at FAIR is foreseen as a Scintillator Tile (SciTil) Hodoscope based on several thousand small plastic scintillator tiles read-out with directly attached Silicon Photomultipliers…

Instrumentation and Detectors · Physics 2019-08-14 L. Gruber , S. E. Brunner , J. Marton , H. Orth , K. Suzuki

Using a test TPC, consisting of the ALICE TPC field cage prototype in combination with the final ALICE TPC readout and electronics, the energy loss distribution and resolution were measured for identified protons. The measurements were…

Instrumentation and Detectors · Physics 2019-08-14 P. Christiansen

TORCH is a time-of-flight detector that is being developed for the Upgrade II of the LHCb experiment, with the aim of providing charged particle identification over the momentum range 2-10 GeV/c. A small-scale TORCH demonstrator with…

Track finding and fitting algorithm in the ALICE Time projection chamber (TPC) based on Kalman-filtering is presented. Implementation of particle identification (PID) using d$E$/d$x$ measurement is discussed. Filtering and PID algorithm is…

Data Analysis, Statistics and Probability · Physics 2007-05-23 M. Ivanov , K. Safarik , Y. Belikov , J. Bracinik

In order to improve the particle identification capability of the Beijing Spectrometer III (BESIII),t is proposed to upgrade the current endcap time-of-flight (ETOF) detector with multi-gap resistive plate chamber (MRPC) technology. Aiming…

A novel design of Resistive Plate Chambers (RPCs), using only a single resistive plate, is being proposed. Based on this design, two large size prototype chambers were constructed and were tested with cosmic rays and in particle beams. The…

Instrumentation and Detectors · Physics 2015-05-20 B. Bilki , F. Corriveau , B. Freund , C. Neubüser , Y. Onel , J. Repond , J. Schlereth , L. Xia

An electrostatic time-of-flight detector named E-MCP has been developed for quick diagnostics of circulating beam and timing measurement in mass spectrometry at the Rare-RI Ring in RIKEN. The E-MCP detector consists of a conversion foil,…

We report on the response of microchannel plates (MCPs) to single relativistic particles and to electromagnetic showers. Particle detection by means of secondary emission of electrons at the MCP surface has long been proposed and is used…

We present here detailed derivations of mathematical expressions for the accuracy in the arrival direction of particles estimated using a set of stacked resistive plate chambers (RPCs). The expressions are validated against experimental…

Instrumentation and Detectors · Physics 2017-02-08 Deepak Samuel , Pratibha B Onikeri , Lakshmi P Murgod

In planning for the Phase II upgrades of CMS and ATLAS major considerations are: 1)being able to deal with degradation of tracking and calorimetry up to the radiation doses to be expected with an integrated luminosity of 3000 $fb^{-1}$ and…

Instrumentation and Detectors · Physics 2013-10-08 Sebastian White

In this work we explore readout architectures for the simultaneous high-resolution timing and bidimensional tracking of charged particles with Resistive Plate Chambers (TOF-tracker) and for the accurate detection of gamma rays for PET…

We present the measurement of charged-particle jet properties in minimum bias p--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV in ALICE. Jets are reconstructed from charged particles at midrapidity using the anti-$k_{\rm T}$ jet finding…

Nuclear Experiment · Physics 2022-08-03 Prottoy Das