Interesting effect of the nd -&gt; p(nn) reaction

Shindin, R. A.; Guriev, D. K.; Livanov, A. N.; Yudin, I.P.

doi:10.48550/arxiv.1703.08820

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Appendix A: Nucleon Momentum Distribution Function1

A Model For the Beam Ion Breakup1

Experimental Evaluation Of the Deuteron Beam Breakup Rate At...1

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2022

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(3 citation statements)

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“…Following Ref. [20], we will assume α = 45.7 MeV/c and β = 260 MeV/c, (A5) which are consistent with results obtained in the experimental study of the deuteron breakup in Dubna [25].…”

Section: Appendix A: Nucleon Momentum Distribution Functionsupporting

confidence: 55%

“…For sake of simplicity, we can consider only one breakup channel and, thus, index i can be omitted in Eq. (20). So, for the 3 He breakup,…”

Section: A Model For the Beam Ion Breakupmentioning

confidence: 96%

“…Four functions f (T R , ∆) were probed. The first one is f H with fixed value of σ = 30 MeV/c [20]. In the other three, f H , f G , and f BW with σ being a free parameter in the fit, were used.…”

Section: Experimental Evaluation Of the Deuteron Beam Breakup Rate At...mentioning

confidence: 99%

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The breakup corrections to the ${}^3\text{He}$ beam polarization measurements at EIC

Poblaguev¹

2022

Preprint

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Requirements for hadron polarimetry at the future Electron-Ion Collider (EIC) include measurements of absolute 3 He (h) beam polarization with systematic uncertainties better than σ syst P /P 1%. Due to the successful use, since 2005, of the polarized hydrogen jet target polarimeter (HJET) to measure proton beam polarization at the Relativistic Heavy Ion Collider (RHIC), the HJET technique promises to be suitable for the 3 He polarimetry at EIC. For that, however, one needs to know the ratio of the h ↑ p and p ↑ h analyzing powers. For elastic scattering, this ratio can be evaluated with sufficient accuracy if p ↑ p analyzing power is precisely known. In this paper, the deuteron beam data acquired at HJET in RHIC Run 16 was used to evaluate corrections to the measured helion beam polarization due to the 3 He breakup. The breakup effect was found to be negligible if the ratio of the beam and target (jet) single spin asymmetries are concurrently measured to determine the 3 He beam polarization.

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“…Following Ref. [20], we will assume α = 45.7 MeV/c and β = 260 MeV/c, (A5) which are consistent with results obtained in the experimental study of the deuteron breakup in Dubna [25].…”

Section: Appendix A: Nucleon Momentum Distribution Functionsupporting

confidence: 55%

“…For sake of simplicity, we can consider only one breakup channel and, thus, index i can be omitted in Eq. (20). So, for the 3 He breakup,…”

Section: A Model For the Beam Ion Breakupmentioning

confidence: 96%