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Miguel Rodriguez, Barak Schmookler, and Ryan Tsaio planning irradiation test at UC Davis Cyclotron, May 2024

Miguel Rodriguez and Barak Schmookler mounting irradiation stand in UC David Cyclotron, during May 2024 campaign. SiPM testing for EIC

SiPM irradiation testing at UC Davis, May 2024.

UCR group during SiPM irradiation test at the UC David Cyclotron, May 2024

UCR team carrying out the EIC SiPM irradiation test at UC Davis Cyclotron, May 2024

Ryan Tsiao testing SiPM at UC Davis Cyclotron, May 2024

Ryan Tsiao and Miguel Rodriguez testing SiPMs at UC Davis Cyclotron

Sean Preins and Peter Carney assembling Insert detector prototype at RHIC

Calorimeter insert prototype for ePIC at EIC undergoing testing at UCR

Panoramic view Calorimeter Insert Prototype next to STAR at RHIC

Miguel Rodriguez preparing SiPM irradiation test at UC Davis Cyclotron, May 2024

Sean Preins, Peter Carney, Insert Prototype in STAR Hall at the Relativistic Heavy Ion Collider

Panonamic view of Peter Carney, Ryan Tsiao and Yousef Abdelkadous installing prototype in the STAR Hall at RHIC

Yousef Abdelkadous, Peter Carney and Ryan Tsaio working installing a dark enclosure for Calorimeter Insert Prototype

Insert ePIC prototype in place for testing in the STAR Hall at the Relativistic Heavy Ion Collider (RHIC)

UCR team in STAR Hall for installation of ePIC Insert Prototype

Calorimeter Insert Prototype next to STAR experiment at RHIC

UCR team after installing Calorimeter Insert Prototype

Calorimeter Insert Prototype next to STAR experiment at RHIC

Calorimeter Insert prototype next to STAR experiment (other angle)

Calorimeter Insert Prototype POV towards STAR Interaction Point

Sean Preins, Sebouh Paul, Bruce Bagby, JiaJun Huang and Peter Carney in Hall D testing calorimeter prototype

Yousef Abdelkadous, Miguel Rodriguez and Peter Carney soldering SiPM-on-tile modules

Miguel Rodriguez and Jiajun Huang working on calorimeter sipm-on-tile insert prototype for the EIC

Calorimeter Insert Prototype in Hall D at Jefferson Laboratory for testing with high-energy positrons. SiPM-on-tile design EIC calorimetry R&D

A group meeting October 2023

Peter Carney and Sean Preins building calorimeter prototype

Miguel Rodriguez testing injection molded scintillator cells for calorimeter insert EIC

Students working in the lab

Peter Carney with his SiPM-on-tile hodoscope (tracker)

Peter Carney building a hodoscope with injected-molded scintillator cells and silicon photomultipliers (SiPMs).

Peter Carney and JiaJun soldering SiPM board

EIC "ePIC" detector model with our Few Degree Calorimeter

Calorimeter Insert Prototype (SiPM-on-tile) for Electron-Ion Collider EIC

Sean Preins mounting SiPM-on-tile setup for light-yield tests

Calorimeter insert prototype for calorimeter insert. SiPM-on-tile design prototype size. EIC calorimetry R&D

Miguel R, Bruce G and JiaJun H making a layer of calorimeter prototype

Calorimeter Insert exploded view. SiPM-on-tile hadronic calorimeter design. Beampipe calorimeter for the EIC. EIC Calorimetry R&D.

JiaJun Huang and Miguel Rodriguez working in the lab. SiPM characterization setup (left) and polishing scintillator tiles (right)

Bruce Bagby with desktop CNC trying out ways to cut scintillator cells for SiPM-on-tile design

Students working in the laboratory. SiPM and scintillator characterization studies (left) and painting of scintillator cells with reflective paint (right)

JiaJun Huang working on setup for SiPM calibration and characterization EIC calorimeters

Sean Preins, Peter Carney, Bruce Bagby, Sebouh Paul and Jiajun Huang with a calorimeter prototype

Calorimeter Insert prototype. EIC calorimetry R&D

Calorimeter insert prototype. EIC calorimetry R&D

Preparing for JLab test beam calorimeter insert January 2023

Hall-B CLAS12, Sean Preins, JiaJun Huan, Peter Carney, Sebouh Paul and Bruce Bagby

Peter Carney with reflow soldering SiPMs boards for Calorimeter Insert EIC

Sean Preins, Miguel Rodriguez and JiaJun Huang discussing a setup to characterize scintillators

SiPM-on-tile hexagonal module calorimeter insert prototype

Luis Garabito and Miguel Rodriguez in the lab

Sean Preins and Lucas Fayet-Faber discussing work. LED scanner for uniformity test of scintillators.

JiaJun holding PCB that he soldered. SiPM-on-tile design prototype for Electron-Ion Collider. Hexagon cell design. EIC R&D calorimetry.

Scintillator SiPM LED SiPM-on-tile. EIC R&D.

Sean Preins and Fayet-Faber coding

Group packing for test beam at Jefferson Lab

Peter Carney and JiaJun Huang working at the lab

JiaJun Huang doing testing

Luis Garabito polishing fiber

Bruce Bagby showing SiPM-on-tile with LED

Sean Preins and Fayet-Faber working

Miguel Rodriguez working with waveshifting fibers

Luis Garabito and Sean Preins checking 3D print

Sean Preins and Luis Garabito checking a 3D printer

JiaJun Huang testing

JiaJung Huang VR

Lucas Fayet-Faber and Sean discussing setup with stepper motors to measure uniformity of scintillators readout with SIPM

Highschool students visiting the lab and using virtual-reality (VR) event display for the Electron Ion Collider (EIC). Outreach.

Sean Preins coding

Scintillator tile. SiPM-on-tile. EIC R&D calorimetry

Sean Preins working on a 3D print

Sean Preins (middle) and Peter Carney (right) receiving prizes in Warsaw EIC meeting

Miguel Rodriguez assembling scintillator layer

Miguel Rodriguez, Samir Kulkarni and Bruce Bagby working in the lab

Scintillator tile, LED scanner for SiPM-on-tile uniformity test. EIC calorimetry R&D

Bruce Bagby, Jiajun Huang, Yousef Abdelkadous, Mia Macia, and Sean Preins at Berkeley lab for testing in 88 inch cyclotron

Samir Kulkarni, Bruce Bagby, and Miguel Rodriguez assembling stuff

Peter Carney, Miguel Rodriguez and Bruce Bagby soldering

Calorimeter Insert hexagonal module SiPM-on-tile

University of California, Riverside

900 University Ave.
Riverside, CA 92521

Tel: (951) 827-1012

Arratia Lab

900 University Ave.
Riverside, CA 92521

tel: (951) 827-3415
email: arratiam@ucr.edu

COLLEGE OF NATURAL &
AGRICULTURAL SCIENCES

CNAS Dean's Office
Olmsted 2300
900 University Ave
Riverside, CA 92521

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