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  • RHIC

    Brookhaven physicists are using detectors at the Relativistic Heavy Ion Collider to explore how the matter that makes up atomic nuclei behaved just after the Big Bang.


    Brookhaven physicists and engineers are collaborators in the ATLAS experiment at CERN's Large Hadron Collider.

  • Neutrinos

    LBNE and the Daya Bay Neutrino Experiments seek to understand the subtle oscillations of neutrinos, ghost-like particles formed in the heart of stars

  • Cosmology

    In the LSST and BOSS experiments, Brookhaven physicists seek to measure and constrain the properties of dark matter, dark energy and the standard cosmological model.

Nuclear Physics


Responsibile for the operation and  physics exploitation of the PHENIX experiment at RHIC.


Responsibile for the operation and  physics exploitation of the STAR experiment at RHIC.


Leads, supports, and provides for the common requirements of the RHIC spin program, particularly for polarimetry.

RIKEN BNL Research Center

Conducts quantum chromodynamics and proton spin structure research.

Nuclear Theory

The nuclear theory group conducts research in all areas of QCD, including structure of hadrons and nuclei at high energies, the QCD phase diagram and the properties of quark-gluon matter.

RHIC Computing Facility

Provides computing services for experiments at RHIC, and the Large Synoptic Survey Telescope project.

High-Energy Physics

Cosmology & Astrophysics

Solving problems in observational cosmology: how to measure and constrain properties of dark matter, dark energy and the standard cosmological model.

Electronic Detector

Studies very rare processes at the Intensity Frontier.


Group members are collaborators on the LHC ATLAS experiment.

Physics Application

Develops physics applications software for the LHC ATLAS experiment.

High-Energy Theory

Focuses on providing theoretical foundation for the search for physics beyond the standard model, including lattice QCD calculations of key quantities required for this quest.

ATLAS Computing Facility

Provides computing services for U.S. ATLAS.

High-Energy Physics

Baryonic Oscillation Spectroscopic Survey

BOSS studies dark energy—the force thought to be responsible for the universe’s accelerating expansion.

Dark Energy Survey

Seeks to probe the origin of the accelerating universe and uncover the nature of dark energy by measuring the 14-billion-year history of cosmic expansion.

Large Synoptic Survey Telescope

A 3.2 gigapixel camera mounted in a  ground-based telescope designed to produce the widest, densest, and most complete images of our universe ever captured.

Deep Underground Neutrino Experiment

An international collaboration working to precisely measure neutrino oscillations.


An experiment at CERN's Large Hadron Collider designed to detect particles created by proton-proton collisions.

Daya Bay Neutrino Experiment

An international collaboration studying the subtle transformations of neutrinos.


Measures low energy neutrino cross sections and investigates low energy excess events observed by the MiniBooNE experiment.

Muon g-2

A high precision measurement of the muon's g-2 value. A deviation between theory and observed value will suggest the existence of new particles.


Experiment which directly probes the Intensity Frontier and aids research on the Energy and Cosmic frontiers with precision measurements to characterize properties of new particles.

Nuclear Physics


An experiment at the Relativistic Heavy Ion Collider designed to explore quark gluon plasma.


An experiment at the Relativistic Heavy Ion Collider designed to explore quark gluon plasma.

Electron Ion Collider (Future)

Plans for the world's first electron-nucleus collider, also known as eRHIC, call for the addition of a 5 to 10 GeV electron ring inside the RHIC tunnel.

The Physics Department is part of Brookhaven's Nuclear & Particle Physics Directorate.

Seminars & Colloquia

  1. No events scheduled

  1. APR



    Nuclear Physics Seminar

    "Reviewing the AGS Heavy Ion Program and Looking Forward to the Fixed-Target Program at STAR"

    Presented by Prof. Daniel Cebra, UC Davis

    11 am, Small Seminar Room, Bldg. 510

    Tuesday, April 30, 2019, 11:00 am

    Hosted by: Rongrong Ma

    In the 1980's and 90's the AGS initiated a heavy-ion beam program with both silicon and gold beams. A suite of dedicated experiments established the systematics for production of light charged particles, strangeness, light nuclei, and anti-particles, as well as systematics for flow and femtoscopy. Those experiments established the design of the RHIC detectors and trained the personnel who would become leaders in the RHIC program. Recently, there has been renewed interest in the energy region covered by the AGS heavy-ion program. New facilities are being built Germany and Russia and proposed in Japan and China. And a conclusion of the first beam energy scan at RHIC was that it would be necessary to revisit the AGS energy range by installing a fixed-target within the STAR experiment. This talk will review key results from the AGS heavy-ion program, and those to results from the STAR fixed-target test runs, and outline the proposed physics program.

  1. APR



    Particle Physics Seminar "Measure what is measurable and make mesurable what is not so - Uncover new physics with bosons at the LHC and upgrades of the CMS detector to maximize the discovery potential"

    Presented by Mia Liu, FNAL

    11 am, Small Seminar Room, Bldg. 510

    Monday, April 29, 2019, 11:00 am

    Hosted by: Alessandro Tricoli

    The Standard Model describes the building blocks of matter and their interactions. It has been tested extensively with experimental data and found to be incredibly successful in describing nature. Discovering the Higgs boson in 2012 at the LHC completed the picture of the SM. The LHC is at the forefront of directly searching for new physics which is Beyond-Standard-Model (BSM), and I will discuss searches for supersymmetric partners of the electroweak bosons, as well as measurement of an extremely rare process with three WWW bosons as stringent tests of the SM. I will also discuss the instrumentation which enables such studies. The discussion includes the recently completed CMS Phase-1 pixel upgrade, as well as the R&D studies towards solving the future trigger and computing challenges using innovative machine learning approaches in future high energy experiments.

  2. MAY



    Particle Physics Seminar

    "Dark Matter Searches with the ATLAS Detector at the LHC"

    Presented by Arely Cortes Gonzalez, CERN

    3 pm, Small Seminar Room, Bldg. 510

    Thursday, May 2, 2019, 3:00 pm

    Hosted by: Michael Begel

    The presence of a non-baryonic dark matter component in the Universe is inferred from the observation of its gravitational interaction. If dark matter interacts weakly with the Standard Model it would be produced at the LHC, escaping the detector and leaving a large missing transverse momentum as their signature. The ATLAS detector has developed a broad and systematic search program for dark matter production in LHC proton-proton collisions. The results of these searches on the 13 TeV data, their interpretation, and the possible evolution of the search program will be presented.

  3. MAY



    Special Particle Physics Seminar

    "Observation of CP violation in charm decays"

    Presented by Angelo Di Canto, BNL

    11 am, Small Seminar Room, Bldg. 510

    Friday, May 3, 2019, 11:00 am

    Hosted by: Chao Zhang

    The existence of CP violation in the decays of strange and beauty mesons is well established experimentally by numerous measurements. By contrast, CP violation in the decays of charm particles has so far escaped observation. This seminar reports on the first observation of CP violation in charm decays thought the measurement of the difference between the time-integrated CP asymmetries in D0 -> K- K+ and D0 -> pi- pi+ decays. The measurement has been performed using the full data set of proton-proton collisions collected by LHCb in 2011-2018, which corresponds to an integrated luminosity of 9fb-1. In addition, a brief overview of recent measurements of mixing and mixing-induced CP violation in charm mesons at LHCb is also presented.

  4. MAY



    Environmental & Climate Sciences Department Seminar

    "High-throughput field phenotyping of photosynthetic capacity using hyperspectral imaging"

    Presented by Katherine Meacham, Univ. of Illinois

    11 am, Large Conference Room, Bldg. 490

    Thursday, May 9, 2019, 11:00 am

    Hosted by: Angie Burnett

    Improved photosynthetic rates have been shown to increase crop biomass, making improved photosynthesis a focus for driving future grain yield increases. Improving the photosynthetic pathway offers opportunity to meet food demand, but requires high throughput measurement techniques to detect photosynthetic variation in natural accessions and transgenically improved plants. Gas exchange measurements are the most widely used method of measuring photosynthesis in field trials but this process is laborious and slow, and requires further modeling to estimate meaningful parameters and to upscale to the plot or canopy level. In field trials of tobacco with modifications made to the photosynthetic pathway, we infer key photosynthetic parameters from imaging spectroscopy using a partial least squares regression technique. We used two hyperspectral cameras with resolution 2.1nm in the visible range and 4.9nm in the NIR. Ground-truth measurements from leaf-level photosynthetic gas exchange, full-range (400-2500nm) hyperspectral reflectance and extracted pigments support the model. The results from a range of wild-type cultivars and from genetically modified germplasm offer a high-throughput screening tool for crop trials aimed at identifying increased photosynthetic capacity.

  5. JUN



    Particle Physics Seminar

    "Precision measurements of jet substructure"

    Presented by Jennifer Roloff

    3 pm, Small Seminar Room, Bldg. 510

    Thursday, June 6, 2019, 3:00 pm

    Hosted by: Alessandro Tricoli

  6. JUL



    Particle Physics Seminar

    "Searches of Dark Matter signals with the ATLAS detector at the LHC: Present and future"

    Presented by Dr. Rachid Mazini, Academia Sinica, Taiwan

    3 pm, Small Seminar Room, Bldg. 510

    Monday, July 1, 2019, 3:00 pm

    Hosted by: Alessandro Tricoli

    In this seminar, I will present an overview of up-to-date results on searches for Dark Matter signals with the ATLAS detector at the LHC using Run 2 data. Comparison with non-accelerator DM results as well as interpretation within some theoretical models will be discussed. In addition, expectation from the high-luminosity LHC (HL-LHC) DM searches program will be briefly presented. Finally, I will talk about the new ATLAS High Granularity Timing Detector (HGTD), planned for the phase 2 upgrade program for the HL-LHC run, and it performances for physics studies.

  7. JUL



    Office of Educational Programs Event

    "2019 Summer High School Research Program"

    9 am, Hamilton Seminar Room, Bldg. 555

    Monday, July 8, 2019, 9:00 am

    Hosted by: Dr. Aleida Perez