Difference between revisions of "Beam Simulations"
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| − | === PS+TPOL simulations with 75 micron converter === | + | [[File:hsect_75_1e9_2016.png|right]] |
| + | === PS+TPOL simulations with 75 micron converter (2016)=== | ||
| + | * simulated run 11484 | ||
| + | * 75um beryllium converter | ||
| + | * photon beam energy 8.2 - 9.0 GeV. | ||
| + | * context="variation=mc calibtime=2018-05-21" | ||
| + | * coherent bremsstrahlung spectrum, edge at 9.0 GeV. | ||
| + | * GlueX beamline geometry, 3.4mm collimator, 60um diamond radiator. | ||
| + | * 12.0 GeV electron beam @ 50 nA, 5e-8 m.rad emittance, 0.5mm virtual spot r.m.s. | ||
| + | * 100% PERP polarization on every beam photon, otherwise GlueX beam properties. | ||
| + | * tagger simulation with randoms included over interval [-10, +10]ns. | ||
| + | * background photons included from 1 MeV to endpoint energy. | ||
| + | * sufficient statistics to cut on variables to study systematics: | ||
| + | *# A vs photon energy | ||
| + | *# A vs photon displacement at converter | ||
| + | *# A vs pair energy asymmetry, PS edge effects | ||
| + | * rough estimate of statistics: | ||
| + | ** total events generated: 10,000 M | ||
| + | ** total events with PS trigger: 2,000 M | ||
| + | ** total PS triggers with in-time TPOL hits: 6 M | ||
| + | ** total events passing TPOL analysis cuts: ~3 M | ||
| + | * resource estimate: 100khr running on OSG, final sample size ~2 GB | ||
| + | * expected uncertainty on extracted A: 0.1% abs., 0.5% rel. | ||
| + | * final generated statistics: | ||
| + | ** events generated (pairs + triplets): 20,828,100,000 | ||
| + | ** TPOL+PS coincidences recorded: 6,668,155 | ||
| + | * root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_75um_2016.hddm | ||
| + | |||
| + | [[File:hsect_75_1e9.png|right]] | ||
| + | |||
| + | === PS+TPOL simulations with 75 micron converter (2017-2018)=== | ||
| + | * simulated run 42136 | ||
* 75um beryllium converter | * 75um beryllium converter | ||
* photon beam energy 8.0 - 8.8 GeV. | * photon beam energy 8.0 - 8.8 GeV. | ||
| + | * context="variation=mc calibtime=2018-05-21" | ||
* coherent bremsstrahlung spectrum, edge at 8.8 GeV. | * coherent bremsstrahlung spectrum, edge at 8.8 GeV. | ||
* GlueX beamline geometry, 5mm collimator, 60um diamond radiator. | * GlueX beamline geometry, 5mm collimator, 60um diamond radiator. | ||
| Line 16: | Line 48: | ||
** total events with PS trigger: 3,100 M | ** total events with PS trigger: 3,100 M | ||
** total PS triggers with in-time TPOL hits: 12 M | ** total PS triggers with in-time TPOL hits: 12 M | ||
| − | ** total events passing TPOL analysis cuts: ~ | + | ** total events passing TPOL analysis cuts: ~5 M |
| − | ** uncertainty on extracted A: 0.1% abs., 0.5% rel. | + | * resource estimate: 100khr running on OSG, final sample size ~2.2GB |
| − | * | + | * expected uncertainty on extracted A: 0.1% abs., 0.5% rel. |
| + | * final generated statistics: | ||
| + | ** events generated (pairs + triplets): 15,017,600,000 | ||
| + | ** TPOL+PS coincidences recorded: 6,949,740 | ||
| + | * root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_75um_6-26-2018.hddm | ||
| − | === PS+TPOL simulations with 750 micron converter === | + | [[File:hsect_750_1e9.png|right]] |
| + | |||
| + | === PS+TPOL simulations with 750 micron converter (2017-2018)=== | ||
| + | * simulated run 42553 | ||
* 750um beryllium converter | * 750um beryllium converter | ||
* photon beam energy 8.0 - 8.8 GeV. | * photon beam energy 8.0 - 8.8 GeV. | ||
| + | * context="variation=mc calibtime=2018-05-21" | ||
* coherent bremsstrahlung spectrum, edge at 8.8 GeV. | * coherent bremsstrahlung spectrum, edge at 8.8 GeV. | ||
* GlueX beamline geometry, 5mm collimator, 60um diamond radiator. | * GlueX beamline geometry, 5mm collimator, 60um diamond radiator. | ||
| Line 37: | Line 77: | ||
** total events with PS trigger: 3,100 M | ** total events with PS trigger: 3,100 M | ||
** total PS triggers with in-time TPOL hits: 20 M | ** total PS triggers with in-time TPOL hits: 20 M | ||
| − | ** total events passing TPOL analysis cuts: ~ | + | ** total events passing TPOL analysis cuts: ~5 M |
| − | * | + | * resource estimate: 100khr running on OSG, final sample size ~2.6GB |
| − | * | + | * expected uncertainty on extracted A: 0.1% abs., 1% rel. |
| + | * final generated statistics: | ||
| + | ** events generated (pairs + triplets): 12,429,600,000 | ||
| + | ** TPOL+PS coincidences recorded: 7,315,373 | ||
| + | * root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_750um_6-26-2018.hddm | ||
| + | |||
----- | ----- | ||
[[Beam Simulations 2008|Link to original Beam Simulations page]] | [[Beam Simulations 2008|Link to original Beam Simulations page]] | ||
Latest revision as of 14:08, 16 October 2018
PS+TPOL simulations with 75 micron converter (2016)
- simulated run 11484
- 75um beryllium converter
- photon beam energy 8.2 - 9.0 GeV.
- context="variation=mc calibtime=2018-05-21"
- coherent bremsstrahlung spectrum, edge at 9.0 GeV.
- GlueX beamline geometry, 3.4mm collimator, 60um diamond radiator.
- 12.0 GeV electron beam @ 50 nA, 5e-8 m.rad emittance, 0.5mm virtual spot r.m.s.
- 100% PERP polarization on every beam photon, otherwise GlueX beam properties.
- tagger simulation with randoms included over interval [-10, +10]ns.
- background photons included from 1 MeV to endpoint energy.
- sufficient statistics to cut on variables to study systematics:
- A vs photon energy
- A vs photon displacement at converter
- A vs pair energy asymmetry, PS edge effects
- rough estimate of statistics:
- total events generated: 10,000 M
- total events with PS trigger: 2,000 M
- total PS triggers with in-time TPOL hits: 6 M
- total events passing TPOL analysis cuts: ~3 M
- resource estimate: 100khr running on OSG, final sample size ~2 GB
- expected uncertainty on extracted A: 0.1% abs., 0.5% rel.
- final generated statistics:
- events generated (pairs + triplets): 20,828,100,000
- TPOL+PS coincidences recorded: 6,668,155
- root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_75um_2016.hddm
PS+TPOL simulations with 75 micron converter (2017-2018)
- simulated run 42136
- 75um beryllium converter
- photon beam energy 8.0 - 8.8 GeV.
- context="variation=mc calibtime=2018-05-21"
- coherent bremsstrahlung spectrum, edge at 8.8 GeV.
- GlueX beamline geometry, 5mm collimator, 60um diamond radiator.
- 11.6 GeV electron beam @ 150 nA, 5e-8 m.rad emittance, 0.5mm virtual spot r.m.s.
- 100% PERP polarization on every beam photon, otherwise GlueX beam properties.
- tagger simulation with randoms included over interval [-10, +10]ns.
- background photons included from 1 MeV to endpoint energy.
- sufficient statistics to cut on variables to study systematics:
- A vs photon energy
- A vs photon displacement at converter
- A vs pair energy asymmetry, PS edge effects
- rough estimate of statistics:
- total events generated: 10,000 M
- total events with PS trigger: 3,100 M
- total PS triggers with in-time TPOL hits: 12 M
- total events passing TPOL analysis cuts: ~5 M
- resource estimate: 100khr running on OSG, final sample size ~2.2GB
- expected uncertainty on extracted A: 0.1% abs., 0.5% rel.
- final generated statistics:
- events generated (pairs + triplets): 15,017,600,000
- TPOL+PS coincidences recorded: 6,949,740
- root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_75um_6-26-2018.hddm
PS+TPOL simulations with 750 micron converter (2017-2018)
- simulated run 42553
- 750um beryllium converter
- photon beam energy 8.0 - 8.8 GeV.
- context="variation=mc calibtime=2018-05-21"
- coherent bremsstrahlung spectrum, edge at 8.8 GeV.
- GlueX beamline geometry, 5mm collimator, 60um diamond radiator.
- 11.6 GeV electron beam @ 150 nA, 5e-8 m.rad emittance, 0.5mm virtual spot r.m.s.
- 100% PERP polarization on every beam photon, otherwise GlueX beam properties.
- tagger simulation with randoms included over interval [-10, +10]ns.
- background photons included from 1 MeV to endpoint energy.
- sufficient statistics to cut on variables to study systematics:
- A vs photon energy
- A vs photon displacement at converter
- A vs pair energy asymmetry, PS edge effects
- rough estimate of statistics:
- total events generated: 10,000 M
- total events with PS trigger: 3,100 M
- total PS triggers with in-time TPOL hits: 20 M
- total events passing TPOL analysis cuts: ~5 M
- resource estimate: 100khr running on OSG, final sample size ~2.6GB
- expected uncertainty on extracted A: 0.1% abs., 1% rel.
- final generated statistics:
- events generated (pairs + triplets): 12,429,600,000
- TPOL+PS coincidences recorded: 7,315,373
- root://nod25.phys.uconn.edu/Gluex/beamline/pairsim/5-2018/tpolskim_750um_6-26-2018.hddm
