Nuclear Physics Group


Zach at April APS Conference

Zachary Sweger presenting material on prospects for backwards production of vector mesons at the Electron Ion Collider (EIC). April 2022.

Zach at STAR

Zachary Sweger in front of the STAR detector at RHIC in New York, while on detector operator shifts.


NPG ski trip to Boreal. March 2018.


NPG day excursion in Switzerland, on top of Schilthorn. November 2018.


NPG at CERN on top of the CMS Center during the 2018 PbPb run.


NPG at CERN on location in the Magnet Test Facility during the filming of Secrets of the Universe. November 2018. Film crew and NPG members Santona, Manuel, Graham, Ota, and Jared.

NPG Lunch

NPG Lunch in Taqueria Davis. August 2018.

NPG Hike

NPG Hike in Tahoe, July 2018. Matthew, Graham, Jared, Ota, Vince Serracino, Santona, and Ariana Caiati.

Quark Matter 2018

Santona's talk at Quark Matter 2018. May 2018.

NPG Hike

NPG Hike in Tahoe, August 2017. Graham, Santona, Maine Christos, and Kathleen Engle.

Chad's Commencement

Chad's Commencement Ceremony, June 2017.

Quark Matter 2017

Celebrating Chad's and Kathryn's talks at Quark Matter 2017.

Quark Matter 2017

Chad Flores's talk at Quark Matter 2017. The CMS heavy-ion bottomonia crew: Songkyo Lee, Jaebeom Park, Manuel, Chad Flores, Yongsun Kim.

Santona's Oral

On campus, after Santona's Oral exam.

pPb run

Ota, Abdullah, Chad, Manuel, Santona on top of the CMS center for the pPb run in 2016.

APS Far West

At the APS Far West Meeting hosted by UC Davis.

CERN Point 5

In CERN Point 5, home of the CMS detector.

CMS Experimental Hall

Chad Flores in the CMS cavern during maintenance before resuming operations and collecting data for the November 2015 PbPb run at 5.02 TeV.

NPG at top of Castle Peak

Hiking in the Sierras, August 2014.

NPG at Cold Canyon

Hiking in Stebbins Cold Canyon near Lake Berryessa, August, 2014.

NPG at Taqueria Davis

Part of the group out for Mexican food, July 2014.


The group having a BBQ at Slide Hill Park. We were joined by Robert Vertesi, visiting from the Nuclear Physics Institute, Czech Academy of Sciences. October 2013.

MTD Installation

Anthony Kesich at STAR, installing modules of the Muon Telescope Detector. September 2013.

CMS Cavern

Michael Gardner in front of the CMS detector at CERN during the Long Shutdown 1. June, 2013.

DTA Ceremony

Chris, Samantha, Daniel, Manuel, Rylan, Juan, Vincent, Todd. May, 2013.

Nuclear Group at Quark Matter

Sevil, Jorge, Rylan, Anthony, Manuel, Guillermo. Bot: Rosi, Evan, Daniel. September, 2012.

Nuclear Group in STAR

Manuel Calderón de la Barca, Samantha Brovko, Evan Sangaline, Anthony Kesich, Drew Peterson, Kamilla, Greg Wimsatt, Chris Flores, Jana, Kurt Hill. April, 2012.

Rylan at CERN

Rylan Conway on one of the superconducting dipole magnet sections that are used for the LHC, next to the CERN Globe of Science and Innovation.

CMS Center

Guillermo Breto Rangel, Jorge Robles, Manuel Calderón de la Barca, Michael Gardner, and Rylan Conway during the Pb+Pb data-taking run at the LHC. November, 2011

STAR Control Room

Two shift crews with members of UCD nuclear group, and many friends from other institues and countries. April, 2011.

UCD Campus

(Top, L to R): Evan, Manuel, Guillermo, Jim Draper, and Jorge. (Bot., L to R): Kurt, Fiona, Michael, Sevil, Anthony, Rosi, Daniel, and Samantha. 3/Feb/2011


Sevil Salur, Evan Sangaline, Rylan Conway, Michael Gardner, Anthony Kesich, and Amanda Kesich. May 2010.

Nuclear Group, Summer 2008

Physics Building

L to R: Haidong Liu, Juan Romero, Matt Caulfield, Adam Burton, Paul Brady, Rosi Reed, Jim Draper, Brooke Haag, Daniel Cebra, Debasish Das, Manuel Calderón de la Barca and Jorge Robles. July 23, 2008