Director’s Review of SoLID, September 9-11, 2019 1

SoLID

Paul Souder

Syracuse University

(for the SoLID Collaboration)

The Future SoLID Program

JULO

June 23, 2020

Director’s Review of SoLID, September 9-11, 2019 2

Outline

1. Physics reach of Solid

2. The Solid Spectrometer

3. Status of the experiment

Director’s Review of SoLID, September 9-11, 2019 3

SoLID Physics Overview QCD at the intensity frontier

Director’s Review of SoLID, September 9-11, 2019 4

3D Nuclear StructureTransverse momentum and spin of struck quark

are observable by measuring hadrons in the

final state!

Effects are big!

Director’s Review of SoLID, September 9-11, 2019 5

Reminder: TMD’s

Director’s Review of SoLID, September 9-11, 2019 6

SoLID SIDIS Projection: Major Improvement in Precision

Director’s Review of SoLID, September 9-11, 2019 7

𝛾

PVDIS: Physics Program

Phys.Lett. B712 (2012) 261-265

This radiative correction diagram for a BSM leptophobic Z’

can only affect C2q’s

1. Beyond Standard Model test2. Charge symmetry violation3. Quark-quark correlations4. d/u with no nuclear corrections

Director’s Review of SoLID, September 9-11, 2019 8

Published data+ Solids+P2 at Mainz

SMEFT Lagrangian is used for general BSM searches:

L =6,8...X

d

X

ij

Cijd

⇤4�dO

ijd

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C2i from SoLID provides a unique constraint on the Cij

6

PVDIS: BSM with SMEFT

Director’s Review of SoLID, September 9-11, 2019 9

J/𝝍 Production: Relationship to Proton Mass

Director’s Review of SoLID, September 9-11, 2019 10

LHCb Pentaquark?

New results from Hall C (optimized for pentaquark search) expected this

spring

SoLID statistics allow us to explore

Q2 and t dependence

Director’s Review of SoLID, September 9-11, 2019 11

J/𝝍 with SoLID vd Upsilon Production at the EIC

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Synergy Between SoLID and the EIC

A. Physics1. Proton Mass2. Proton Spin3. 3D Imaging (Complementary range in x)

B. Experimental Techniques1. Streaming Readout2. Machine Learning for tracking3. Large Scale DAQ

SoLID will be a bridge that helps train the workforce for the EIC.

10

6

Peak

lum

inos

ity [1

033

cm-2

s-1]

40 80 120

100

80

20

8

4

2

60

40

Annu

al In

tegr

ated

lum

inos

ity (f

b-1 )

QCD at extreme Parton densities

Saturation

Spin and Flavor Structure of Nucleons

and Nuclei

Center of Mass Energy Ecm (GeV)

EIC Optimization for high Ecm

12

Quarks & Gluon tomographyGPDs, TMDs,, GFF

EIC: QCD energy frontierü luminosity (1033-34 /cm2/s)ü variable center-of-mass energy (20-140 GeV)üSea quark and gluon region

(Figure credit: Volker Burkert)

Director’s Review of SoLID, September 9-11, 2019 13

SoLID Apparatus

• High Luminosity (1037-1039)• High data rate • High background • Low systematics• High Radiation• Large scale (Like RHIC)• New Technologies

• GEM’s• Shashlyk Ecal• Pipeline DAQ

Requirements are Challenging

EM Calorimeter (forward angle)

GEM

Cherenkov

Baffle

Target

Coil and Yoke

GEM

SoLID (PVDIS)

Beamline

1 m

Polarized 3He (``neutron”) @ SoLID

Director’s Review of SoLID, September 9-11, 2019 14

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SoLID MIE Submission to DOE February 2020Science Review – proposed late 2020? CD0 – proposed 2Q FY21?CD1 – proposed 1Q FY22?CD2/3A –proposed 2Q FY23CD3 – proposed 2Q FY24CD4 – proposed 4Q FY28

Timeline and Proposed Schedule - Since 2010: Five SoLID experiments approved by PAC with high rating

3 SIDIS with polarized 3He/p target, 1 PVDIS, 1 threshold J/yFive run-group experiments approved

- 2013: CLEO-II magnet requested, agreed, arrived at JLab 2016, steel arrived August 2019.

- 2014: pCDR submitted to Jlab with cost estimation and proposed scheduleestimation based on Hall D and CLAS12 experience

- 2015: Director’s Review, positive with many recommendations - 2017: Updated pCDR submitted to JLab with responses to the recommendations- 7/2018: DOE NP visit and discussion: à update cost estimation- 1/2019: Updated cost estimation (updated pCDR) submitted to the lab- 8/2019: New cost estimation with WBS structure and proposed schedule- 9/2019: Director’s Review 9/9-9/11 with WBS structure and proposed schedule- 11/2019 Pre-R&D Plan Funded- 12/2019 pCDR submitted to the DOE

Director’s Review of SoLID, September 9-11, 2019 15

SoLID Detector Subsystems

Uses full capability of Jlab electronics

PVDIS: Baffle LGC 5xGEMs EC

SIDIS&J/Psi: 6xGEMs LASPD LAEC LGC HGC FASPD MRPC FAEC

Director’s Review of SoLID, September 9-11, 2019 16

4-FOLD COINCIDENCE J/PSI EVENTFrom new DD4hep software

e- e-

p

e+

New DD4HEP Software

J/Ψ event with 4-fold coincidence

Allows Simulation and reconstructionwithin the same framework

Director’s Review of SoLID, September 9-11, 2019 17

Pre-R&D Plan Part A-Electronics Part B-Cerenkov

Uses full capability of JlabFADC electronics

Equipment to be tested: MAPMT, wavelength shifter, summing and

MAROC electronics

Director’s Review of SoLID, September 9-11, 2019 18

SoLID: You are Welcome to Get Involved

Example: Pre-R&D Plan. Contact anyone on the chart to start.

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• Simulations/Software- Tracking: with new GEM readout VMM for

PVDIS, SIDIS-He3 and SIDIS-proton cases- Background study for SIDIS-proton case- Simulation in support of in-beam Cherenkov tests- Developing end-to-end simulation in synergy to

EIC development- J/y case study with new simulation package- Hadron event generator validation with date

• Detectors- LGC/HGC: in-beam test of prototype Cheronkov- HGC: gas handling system study, window study - GEMs: testing new readout system (VMM)- ECal: testing and optimize efficiency

• DAQ- JLab DAQ group support- Design readout board with VMM for GEM readout- Setup prototype DAQ test stand

Testing rate limitation with FADC Tesiting readout system for TOF detector.

Recent Progress

VMM3 Evaluation Board Testing

Recent Progress

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Summary

1. Exciting, varied physics program

2. State-of-the-art apparatus

3. Gateway to the EIC

4. Now is a good time to get involved