CIS Presentations

2023

Virtual Office of Nuclear Physics (NP) Principal Investigator (PI) Exchange meeting for Accelerator R&D award recipients. December 07, 2023

• G. Palacios Serrano, C. Hernandez Garcia, M. Poelker: "High Voltage Insulators and Electrodes for 500 kV DC High Voltage Photogun with Inverted Insulator Design" media:Virtual_Office_of_NP_PI_Exchange_meeting_presentation.pptx

Summer Science Series, Jefferson Lab, July 25, 2023

• J. Grames, "GaAs Polarized Electron Source: A brief tour" media:2023-SUMMER-PES-Grames.pptx

Jefferson Lab Accelerator Advisory Committee, March 8-10, 2023

• M. Bruker, "Recent results from the UITF and a look forward" media:20230309_JLAAC_UITF-final20230304.pdf
• S. Habet, "Positron collection scheme for Ce+BAF" Positron_collection_scheme_for_Ce+BAF
• M. Mamun, "Reaching Lower Pressure in Photoguns" media:JLAAC2023_Reaching Lower Pressure in Photoguns_Mamun.pdf
• M.L. Stutzman "High Polarization Photocathode Research" media:HighPolarizationPhotocathodes.pdf
• A. Ushakov, "Ce+BAF Concept and High Power Target" media:JLAAC2023-Ushakov-Ce+BAF_Concept_and_High_Power_Target.pptx

2022

Mexican Community of Particle Accelerators, December 16 2022 via zoom "The summer program on accelerator physics between Mexico and JLab" (Spanish version)

• Media:Veranos cientificos en JLab Carlos HG seminario CMAP Dec 16 2022.pptx

2022 DOE NP Accelerator R&D PI Meeting held on Nov 29 2022

• C. Hernandez-Garcia, M. Poelker and G. Palacios-Serrano 500 kV insulator project Media:Hernandez-Garcia 500 kV Insulator Nov 29 2022 no backup slides.pptx
• M. Poelker, M. Stutzman, E. Wang, S. Marsillac "Photocathodes with 90% polarization and QE greater than 1% for DOE NP" media:Photocathodes with 90% polarization and QE greater than 1% for DOE NP_final.pptx
• M.L. Stutzman, C. Palmstrom and A. Engel, "Strained Superlattice Photocathodes with CBE" media:CBESSL.pdf

AVS Symposium

• M.L. Stutzman, "Jefferson Lab Injector Beamline Upgrade" Pittsburgh PA November 7, 2022 media:AVS2023.pdf

Hall B CLAS Collaboration Meeting (30th Anniversary)

• J. Grames, "Ce+BAF : Positron Beams at Jefferson Lab", Jefferson Lab Nov. 1-4, 2022 media:221103-CLAS-GRAMES.pptx

CIS Grad Student Presentations, August 23, 2022

• A. Rahman, "Study of Quantum Efficiency Enhancement in Different Mie-type Nanostructured NEA GaAs Photocathode" media:Presentation_Aug23_2022_Azziz.pdf

CIS Grad Student Presentations, July 26, 2022

• S. Habet, "Concept of a polarized positron source at CEBAF" media:220726_Sami_Habet_PhD.pdf

Summer Science Series, Jefferson Lab, July xx, 2022

• M.L. Stutzman "Extreme High Vacuum" media:SummerXHV2022.pdf

Summer Science Series, Jefferson Lab, July 12, 2022

• J. Grames, "GaAs Polarized Electron Source: A brief tour" (short version) media:2022-SUMMER-PES-Grames.pptx

GTS beam kick study presented in B-Team meeting, March 8, 2022

• Md. A. Mamun, S.A.K. Wijethunga, R. Suleiman, C. Hernandez-Garcia, B. Bullard, J. R. Delayen, J. Grames, G. A. Krafft, G. Palacios-Serrano, M. Poelker

media:2022_03_08_Beam kick study with GTS modified gun_presented at B-Team meeting_Mamun.pdf

Lawrence Berkley Lab Vacuum Series Talk April 2022

• Marcy Stutzman "Ultra and Extreme High Vacuum" media:UHV_XHV_LBL.pdf

CIS Presentations to David Dean, March 4, 2022

• J. Grames, M. Stutzman, C. Hernandez-Garcia, R. Suleiman media:CIS_DavidDean_FINAL.pdf

FRIB/MSU seminar series (on line), February 11, 2022, ACCELERATOR PHYSICS AND ENGINEERING SEMINARS

• Poelker UITF media:MSU FRIB UITF presentation.pdf

UAM-AZC. Mexico City, Mexico (online). March the 10th, 2022.

• G. Palacios. "Insulators and electrode for a 500 kV photoelectron gun with inverted insulator"

FRIB/MSU seminar series (online), January 28th, 2022, ACCELERATOR PHYSICS AND ENGINEERING SEMINARS

• C. Hernandez-Garcia, "HV technology and its application in accelerators"

Jefferson Lab Accelerator Seminar, Jan 13th, 2022

• R. Suleiman, "EDM Measurement in Small Rings", media:EDM_SmallRings_Suleiman_AccSeminar_Jan2022.pdf

2021

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Dec 14th, 2021

• Carlos Hernandez-Garcia1, Gabriel Palacios-Serrano, et al. "Inverted Geometry Ceramic Insulators in High Voltage DC Electron Guns for Accelerators"

VCU Colloquium December 3, 2021

• M.L. Stutzman "Photocathodes for Polarized Electron Beams at Jefferson Lab" media: Stutzman-VCU-Colloquium.pdf

Jefferson Lab Accelerator Advisory Committee

• J. Grames (draft v3) media:JLAAC-2021-Grames-Positrons-v3.pptx
• M.L. Stutzman (final) media:JLAAC-2021-Stutzman-CBESSL.pdf
• C. Hernandez-Garcia (final) media:JLAAC 2021 Hernandez-Garcia FOA 500 kV FINAL REVISED.pptx

DOE NP Accelerator R&D and AI-ML PI Exchange Meeting, November 30, 2021

• M.L. Stutzman, "Investigation into chemical beam epitaxy (CBE) for high polarization strained superlattice GaAs/GaAsP photocathodes" media:DOE-PI-2021-Stutzman-CBESSL.pdf
• M. Poelker and E. Wang
• C.Hernandez-Garcia
• R. Suleiman

Polarized Photocathodes for Photoinjectors (P3) Workshop, November 10, 2021

• M.L. Stutzman, "Strained Superlattice GaAs/GaAsP Supplier overview": media:StutzmanP3.pdf

EIC Accelerator Partners Workshop, October 27, 2021

• M.L. Stutzman, C. Hetzel "Interaction Region Synchrotron Radiation and Vacuum (details)" media:EIR_IR_Triumf.pdf

AVS67 - AVS International Symposium October 25-28, 2021.

• M.L. Stutzman, "Jefferson Lab Injector Beamline Upgrade": media:AVS2021.pdf

EIC OPA Review, October 19-21, 2021

• M.L. Stutzman, C. Hetzel "Interaction Region Synchrotron Radiation and Vacuum (overview)" media:EIR_IR_OPA.pdf

SPIN 2021 - 24th International Spin Symposium, Japan, October 18-22, 2021

• R. Suleiman, "EDM in Small Rings": media:EDM_SmallRings_Suleiman_Spin2021.pdf

2021 LDRD Jamboree

• Jamboree video

• J. Grames, "LDRD #2104 - A polarized positron source for our future" Presentation

Low carbon steel vacuum studies

• Proposal for a graduate student Slides

Summer Science Series, Jefferson Lab, July 22, 2021

• M.L. Stutzman "Extreme High Vacuum" media:2021-Summer-XHV.pdf

Summer Science Series, Jefferson Lab, June 17, 2021

• J. Grames, "GaAs Polarized Electron Source: A brief tour" (short version) media:2021-SUMMER-PES-Grames.pptx

USPAS lectures in Spin Dynamics, June 10, 2021

• J. Grames, "GaAs Polarized Electron Source: A brief tour" (long version) Media:2021-USPAS-PES-Grames.pptx

IPAC 2021, May 24th - 28th, 2021.

• Gabriel Palacios-Serrano, Carlos Hernandez-Garcia1, et al."HIGH VOLTAGE DESIGN AND EVALUATION OF WIEN FILTERS FOR THE CEBAF 200 keV INJECTOR UPGRADE*"

AVS Mid-Atlantic Chapter Meeting, Virtual, April 22, 2021 "Electron Ion Collider Vacuum Considerations"

• M.L. Stutzman & Collaborators media:EIC_Vac_AVSM-A.pdf

2020

JLAAC talks from Matt, Joe, Marcy and Carlos, October 21-23, 2020

• M. Poelker "UITF Commissioning" media:UITF Commissioning_poelker.pptx
• M. Stutzman and C. Hernandez-Garcia, "JLab Source Group DOE FOA awards" media:Photocathodes and 500 kV gun.pptx
• J. Grames, "Positron R&D Update" media:Positron R&D at JLab.pptx

Summer Science Series, Jefferson Lab, June 18, 2020

• J. Grames, "CEBAF Polarized Electron Source" media:200616_SummerSeries_Grames_FINAL_750dpi.pptx

Jefferson Lab Accelerator Physics Seminar, February 20, 2020

• Carlos Hernandez-Garcia "GTS multi-year program results 2016-2019" Media:Carlos' GTS gun talk Acc Seminar Feb 20 2020 final.pptx

2019

Jefferson Lab Accererlator Advisory Committee, JLAAC, October 22 - 24, 2019

• Matt Poelker "UITF Update" media:JLAAC poelker UITF first draft.pptx

International Vacuum Congress, Malmo Sweden July 5 2019

• Marcy Stutzman "Vacuum System Design and Modeling for the Jefferson Lab Electron Ion Collider Interaction Region" media:IVC-21Stutzman.pptx media:IVC-21Stutzman.pdf

Summer Science Series, Jefferson Lab, July30, 2019

• M.L. Stutzman, "Extreme High Vacuum" media:190730_XHV.pptx

Summer Science Series, Jefferson Lab, June27, 2019

• J. Grames, "CEBAF Polarized Electron Source" media:190627_SummerSeries_Grames_FINAL.pptx (92MB) and smaller media:190627_SummerSeries_Grames_FINAL_750dpi.pptx (18 MB 750dpi)

High Brightness Beam Workshop, Crete, Greece April 8-12 2019

• Carlos' final slides for talk Media:Magnetized_eBeam_HBB_2019_final.pptx
• Carlos' slides for dry run Invited talk is 25 minutes long including 5 minutes for Q&A Media:Magnetized_eBeam_HBB_2019_revised.pptx

KEK visit to JLab, February 25 2019

• Draft slides for discussion media:JLAB-KEK_Grames_Final.pptx
• Draft slides for discussion media:JLAB-KEK_Grames_v1.pptx
• Media:Our 400kV gun R&D plan for Joe KEK visit to JLab Feb 25 2019.pptx

PREX/CREX Collaborating Meeting, February 15, 2019 (use CUE credentials to login)

• J. Grames slides for meeting media:190215_PREX_CREX_Grames.pptx

Hall A Collaboration Meeting, January 2019

• Slides for Yves Hall A Collaboration meeting media:HallA_Collaboration_Meeting_30Jan2019.pptx

2018

EIC Collaboration meeting, October 29- November 1 2018, Jefferson Lab

• M.A. Mamun, "Magnetized Electron Source Development" media:2018_CM_EIC_JLab Magnetized Gun_mamun.pdf

Jefferson Lab Accelerator Advisory Committee Review, October 7-9, 2018, Jefferson Lab

• J. Grames final slides media:JLAAC_Grames_FINAL.pptx
• M.A. Mamun, "JLEIC Magnetized Beam (LDRD)" media:2018_JLAAC mamun.pdf

Accelerator All Hands Meeting

• M. Poelker draft slides for CIS media:Accel All Hands_poelker_CIS_draft.pptx

Invitation to speak at BNL, August 8, 2018 (flight was cancelled, didn't present at BNL)

• M. Poelker, "The Problems with Photoguns" media:problems with photoguns.pptx, media:problems with photoguns version2.pptx

Summer Science Series, Jefferson Lab, July 31, 2018

• M.L. Stutzman, "Extreme High Vacuum" media:Stutzman_SULI_2018.pptx

Ops Training - July 11, 2018

• J. Grames, "Injector Upgrade Status - SAD 2018: Gun2" media:InjectorUpgradeStatus_SAD2018.pptx

Summer Science Series, Jefferson Lab, July 5, 2018

• J. Grames, "CEBAF Polarized Electron Source" media:180705_SummerSeries_Grames_FINAL.pptx

EVC-15 conference, "Combining NEG pumps and an XHV BNNT Cryopump" Geneva, June 2018

• M.L. Stutzman media:EVC-15_Stutzman.pdf

200 keV Beam Operations Presentation

• J. Grames media:200KV_OPS_v2.pptx

PREX/CREX Collaboration Meeting February 25-26, 2018

• J. Grames media:180226_PREXCREX_Grames_v2.pptx
• Meeting link

2017

TRIUMF, invited to present CIS work on inverted insulator photo guns

• Summary TRIUMF visit Media:TRIUMF pics.pptx
• Carlos Media:Carlos JLab Inverted guns talk at TRIUMF Nov 21 2017 final.pptx

EIC Collaboration meeting, October 10-12, 2018, BNL, Long Island, NY

• M.A. Mamun, "Magnetized Electron Source Development" media:EIC-CM_BNL_October_10-12_2017_Presentation_Magnetized_Beam_Mamun_Final.pdf

PREX/CREX Collaboration Meeting Oct 1-2, 2017

• J. Grames media:171002_PREXCREX_Grames.pptx
• Meeting link

JLAAC, September 13-15, 2017

• J. Grames, "Milliampere beam studies using high polarization photocathodes" media:JLAAC_Grames_final.pptx
• Carlos Hernandez-Garcia, "JLAAC 300kV gun version - FINAL" Media:JLAAC_Carlos_v5-final.pptx
• M.A. Mamun, "JLAAC magnetized beam" media:JLAAC_Mamun_v4.pptx
• Poelker, "JLAAC Injectors and Sources" media:JLAAC_Poelker_final.pptx

Science and Technology Review, Jefferson Lab, July 24-26, 2017

• R. Suleiman, "Magnetized Electron Source, LDRD" media:S&T_Review_July_24-26_2017_Presentation_Magnetized_LDRD_Suleiman.pptx
• M. Poelker, "INJECTOR R&D and Upgraded Injector Test Facility" media:poelker S&T review, July 24-26, 2017.pptx

Summer Science Series, Jefferson Lab, July 11, 2017

• J. Grames, "CEBAF Polarized Electron Source" media:170711_SummerSeries_Grames.pptx

Moller Collaboration Meeting April 21-22, 2017

• Program link (user=moller, pass=)
• media:170421_MOLLER_Poelker.pptx

Design study of beam position monitors for measuring second-order moments of charged particle beams media:PhysRevSTAB.15.012801.pdf

Characterization of Beam Position Monitors for Measurement of Second Moment:media:PAC95_SJRussell.pdf

PREX/CREX Collaboration Meeting March 3-4, 2017

• Program link,
• media:170303_PREXCREX_Grames_FINAL.pptx

Summary of GTS progress in 2016 and early activities in 2017, talk presented at JLEIC R&D weekly meeting, JLab Jan 26 2017

• Media:GTS update for JLEIC meeting Jan 26 2017.pptx

2016

A story of CEBAF photocathode life(time) [on HV], CEBAF Scheduling Meeting Beam Studies Report 12/14/16

• Media:161214_Wed130.pptx

Moeller Collaboration Meeting, November 11-12, 2016

• Media:161111_Moller_v1.pptx Media:161111_Moller_v2.pptx

AVS 2016, Nashville, TN, November 6-11 2016

• Marcy Stutzman, "Simulated and Measured Extreme High Vacuum in the Jefferson Lab Polarized Electron Source" media:StutzmanAVS2016.pptx

IVC20, Busan, Korea, 21-26 August 2016

• Marcy Stutzman, "Simulated and Measured Extreme High Vacuum in the Jefferson Lab Polarized Electron Source" media:StutzmanIVC20.pdf

77th IUVSTA Workshop on Surface Processes, Fuefuki, Japan, 17-21 August 2016

• Marcy Stutzman, Gas Dynamics and Vacuum Technology of Cryogenic Vacuum Systems, , "Investigations of cryopumping for Extreme High vacuum systems" media:IUVSTA77Stutzman.pdf

ECT Workshop

Physics beyond the standard model and precision nucleon structure measurements with parity-violating electron scattering, Trento, Italy Aug. 1-5, 2016

• Arne Freyberger, Operations Dept. Accelerator Division "CEBAF Polarized Beam for Parity Violation Experiments in the 12 GeV era", media:Freyberger_ECT Parity Violation Workshop_12 GeV CEBAF.pdf

Summer Science Series, Jefferson Lab, July 22, 2016

• Marcy Stutzman, "Extreme High Vacuum" media:Stutzman_SULI_REU_2016.pptx

Summer Science Series, Jefferson Lab, July 7, 2016

• J. Grames, "CEBAF Polarized Electron Source" media:160707_SummerSeries_Grames.pptx

PREx-II Collaboration Meeting, February 26, 2016

• M. Poelker and J. Grames, "CEBAF Source and Injector Status" media:160226_PREx_Grames.pptx media:160226_PREx_Grames.pdf

2015

JLab/ILC Polarized Electron Source - Nomura Research Institute Visit, 11/13/2015 media:JLab_ILC gun_Nomura Research Institute visit.pptx

Visit to COSY/Juelich to discuss high voltage issues for a possible ring EDM measurement

• M. Poelker, "High Voltage Studies: Can R&D towards building a high voltage gun help the ring EDM effort?" media:HV studies summary_talk from COSY Juelich.pptx

AVS 2015, 19 October 2015

• M.L.Stutzman, "XHV Cryopump Performance and Limitations for the Jefferson Lab Polarized Electron Source" media:StutzmanAVS2015.pptx

Daresbury International Workshop on Functional Surface Coatings and Treatments for UHV and XHV, 28 Sept 2015

• M.L.Stutzman, "DC sputtered NEG coatings for non-uniformly shaped chambers" media:XHV_Coatings_Stutzman.pptx

IPAC poster "Vacuum Characterization and Improvements for the Jefferson Lab Polarized Electron Source"

• M.L. Stutzman, P.A. Adderley, M.Poelker and Md. A. Mamun, media:Stutzman_IPAC2015.pptx

Summer Science Series, Jefferson Lab, July 30, 2015

• M.L. Stutzman, "Extreme High Vacuum: why and how (Summer Series)" media:Stutzman_SULI_REU_2015.pptx

Summer Science Series, Jefferson Lab, July 9, 2015

• J. Grames, "Electrons Sources at Jefferson Lab" media:2015_SummerSeries_Grames.pptx

Center for Accelerator Science Seminar, Old Dominion University, April 2, 2015

• J. Grames, Positron Applications, Sources and PEPPo, media:Grames_ODU_150402.pdf media:Grames_ODU_150402.pptx

Moeller Collaboration Meeting, January 23, 2015

• M. Poelker, Media:moller collab mtg_poelker_1_23_15.pptx

2014

AVS2014, 12November2014

• M.L.Stutzman, P.Adderley, Md.A.Mamun, A.A.Elmustafa,M.Poelker "Near-XHV pressure characterization for the Jefferson Lab Polarized Electron Source", Media:StutzmanAVS2014.pptx

Summer Science Series, Jefferson Lab, July 29, 2014

• M.L. Stutzman, "Extreme High Vacuum for SULI REU" * Media:2014_SummerSeries_XHV_Stutzman.pptx

Summer Science Series, Jefferson Lab, July 17, 2014

• J. Grames, "Electrons Sources" Media:2014_SummerSeries_Grames.pptx Media:2014_SummerSeries_Grames.pdf

TRIUMF Accelerator Seminar, June 4, 2014

• R. Suleiman, "Measurement of ¹⁶O(γ,α)¹²C with Bubble Chamber and Bremsstrahlung Beam at Jefferson Lab Injector"
• Abstract: media:Abstract_TRIUMF_Seminar.pdf media:Abstract_TRIUMF_Seminar.docx
• Presentation: media:TRIUMF_Seminar_Suleiman_June_2014.pdf media:TRIUMF_Seminar_Suleiman_June_2014.pptx

American Vacuum Society Mid-Atlantic Meeting, May 15, 2014

• M.L. Stutzman, P. Adderley, J. Clark, S. Covert, C. Hernandez-Garcia, J. Grames, J. Hansknecht, M. Poelker, R. Suleiman, "High polarization photocathodes" Media:AVS_MA_NIST_May2014_Final.pptx

Moeller Collaboration Meeting, May 8, 2014

• M. Poelker Media:moller collab mtg_poelker_5_8_14.pptx

2013

• M. Poelker, "High Current Polarized Electron Source", a workshop at Daresbury related to LHeC, 6.5mA polarized beam at 160pC

Presentation: media:LHeC workshop at Daresbury_Poelker_Jan. 22 – 23, 2013.pptx

2012

ILC R&D talk_ 200 kV inverted gun

• M. Poelker media:R&D status ILC 200 kV inverted gun.pptx

2011

ILC Representative visit Jan. 5-6, 2011 - Building a Higher Voltage Polarized e-Source

The CEBAF/ILC 200kV Inverted Gun

• M. Poelker presentation: media:JLab ILC inverted gun_status.pptx

TRIUMF Accelerator Seminar, January 19, 2011

• R. Suleiman, "Jefferson Lab Polarized Photogun"

Presentation: media:TRIUMF_Seminar_Suleiman_Jan_2011.pdf media:TRIUMF_Seminar_Suleiman_Jan_2011.pptx

2007

ILC e-Source Kick OFF meeting, SLAC, September 24-25, 2007

• Presentation, M. Poelker media:eSource KOM presentation_ILC inverted gun.pptx