Feasibility study for precisely measuring the EIC 
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 beam polarization with the Polarized Atomic Hydrogen Gas Jet Target polarimeter at RHIC

Poblaguev, A.

doi:10.1103/physrevc.106.065202

Cited by 4 publications

(17 citation statements)

References 34 publications

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“…The analysis carried out here improves the confidence of the conclusion reached in Ref. [4] that the EIC 3 He beam polarization can be measured by HJET with low systematic uncertainty (1). Considering the breakup A(p, p)X reaction as elastic scattering of a nucleon cluster in the nucleus off the jet proton, one can relate [4] the missing mass excess ∆ = m X − m A to the recoil proton energy:…”

Section: Introductionsupporting

confidence: 61%

“…In further analysis, it will be assumed that all of the 3 He functions ω(T R ) and ω I (T R ) are constrained by ω m (T R ) and ω 2m (T R ). To tolerate a possible discrepancy between 3 He breakup corrections, the following function…”

Section: The Helion Beam Breakup In Hjetmentioning

confidence: 99%

“…It has been advocated [3,4] that the Atomic Polarized Hydrogen Gas Jet Target (HJET) [5] can be used for this purpose.…”

Section: Introductionmentioning

confidence: 99%

“…where m p is the recoil particle (proton) mass. The 3 He beam polarization P h can be related [3] to the precisely known jet target one, P jet ≈ 0.96±0.001 [5], as…”

Section: Introductionmentioning

confidence: 99%

“…(8) Here, φ 5 and φ + are spin-flip and non-flip helicity amplitudes, the hadronic and electromagnetic parts of which are denoted by "had" and "em". 3 He breakup in the scattering can effectively alter the (elastic) interference terms…”

Section: Introductionmentioning

confidence: 99%

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On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter

Poblaguev

Атоян

Buttimore

et al. 2022

Proceedings of the 24th International Spin Symposium (SPIN2021)

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The requirements for hadron polarimetry at the future Electron Ion Collider (EIC) include measurements of the absolute helion ( 3 He, h) beam polarization with systematic uncertainties better than σ syst P /P ≤ 1%. Recently, it was proposed that the Polarized Atomic Hydrogen Gas Jet Target (HJET) be utilized for the precision measurement of the polarization of the ∼100 GeV/n helion beam. At the Relativistic Heavy Ion Collider, HJET serves to determine the absolute proton beam polarization with low systematic uncertainties of about δ syst P/P 0.5%. To adapt the HJET method for the EIC helion beam, the experimentally determined ratio of the beam and target (jet) spin-correlated asymmetries should be adjusted by the ratio of p ↑ h and h ↑ p analyzing powers. A potential problem with the suggested method is that the breakup of 3 He in polarization measurements could drastically affect the analyzing power ratio. However, an analysis of the breakup corrections, presented in this paper, reveals that while these corrections can be as substantial as ∼ 4%, the effect cancels out to a negligible level in the measured beam polarization.

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Section: Introductionsupporting

confidence: 61%

Section: The Helion Beam Breakup In Hjetmentioning

confidence: 99%

“…It has been advocated [3,4] that the Atomic Polarized Hydrogen Gas Jet Target (HJET) [5] can be used for this purpose.…”

Section: Introductionmentioning

confidence: 99%

“…where m p is the recoil particle (proton) mass. The 3 He beam polarization P h can be related [3] to the precisely known jet target one, P jet ≈ 0.96±0.001 [5], as…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter

Poblaguev

Атоян

Buttimore

et al. 2022

Proceedings of the 24th International Spin Symposium (SPIN2021)

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show abstract

Breakup corrections to the He3 beam polarization measurements at the future BNL Electron Ion Collider

Poblaguev

2022

Phys. Rev. C

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Breakup corrections to spin asymmetries in the He3 beam polarization measurements with the Polarized Atomic Hydrogen Gas Jet Target

Poblaguev

2023

Phys. Rev. C

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Feasibility study for precisely measuring the EIC He3 beam polarization with the Polarized Atomic Hydrogen Gas Jet Target polarimeter at RHIC

Cited by 4 publications

References 34 publications

On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter

On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter

Breakup corrections to the He3 beam polarization measurements at the future BNL Electron Ion Collider

Breakup corrections to spin asymmetries in the He3 beam polarization measurements with the Polarized Atomic Hydrogen Gas Jet Target

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Feasibility study for precisely measuring the EIC He3 beam polarization with the Polarized Atomic Hydrogen Gas Jet Target polarimeter at RHIC

Cited by 4 publications

References 34 publications

On the Possibility of Measuring the Polarization of a 3He Beam at EIC by the HJET Polarimeter

On the Possibility of Measuring the Polarization of a 3He Beam at EIC by the HJET Polarimeter

Breakup corrections to the He3 beam polarization measurements at the future BNL Electron Ion Collider

Breakup corrections to spin asymmetries in the He3 beam polarization measurements with the Polarized Atomic Hydrogen Gas Jet Target

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On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter

On the Possibility of Measuring the Polarization of a ³He Beam at EIC by the HJET Polarimeter