Neutron spin structure from polarized deuteron DIS with proton tagging

Cosyn, W.; Weiss, C.

doi:10.1016/j.physletb.2019.135035

Title: Neutron spin structure from polarized deuteron DIS with proton tagging

Abstract

Polarized electron-deuteron deep-inelastic scattering (DIS) with detection of the spectator proton ("tagged DIS") enables measurements of neutron spin structure with maximal control of nuclear effects. We calculate the longitudinal spin asymmetries in polarized tagged DIS using methods of light-front nuclear structure and study their dependence on the measured proton momentum. Asymmetries can be formed with all three deuteron spin states (± 1, 0) or the two maximum-spin states only (± 1, involving tensor polarization). The proton momentum dependence can be used to select pure S-wave configurations in the deuteron and eliminate D-wave depolarization (transverse momenta p_pT ≲ 100 MeV). Free neutron spin structure can be extracted model-independently through pole extrapolation of the tagged asymmetries. Such measurements could be performed at a future electron-ion collider (EIC) with polarized deuteron beams and forward proton detectors.

Authors:: Cosyn, W.; Weiss, C.

Publication Date:: 2019-12-01

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 1571529

Alternate Identifier(s):: OSTI ID: 1573908

Report Number(s):: JLAB-THY-19-2967; DOE/OR/23177-4714
Journal ID: ISSN 0370-2693; S0370269319307579; 135035; PII: S0370269319307579

Grant/Contract Number:: AC05-06OR23177

Resource Type:: Published Article

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Name: Physics Letters B Journal Volume: 799 Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 74 ATOMIC AND MOLECULAR PHYSICS; Polarized deep-inelastic scattering; Neutron; Nuclear fragmentation; Electron-ion collider; Light-front quantization

Citation Formats


                    Cosyn, W., and Weiss, C. Neutron spin structure from polarized deuteron DIS with proton tagging.  Netherlands: N. p., 2019. 
Web.  doi:10.1016/j.physletb.2019.135035.

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                    Cosyn, W., & Weiss, C. Neutron spin structure from polarized deuteron DIS with proton tagging.  Netherlands.  https://doi.org/10.1016/j.physletb.2019.135035

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                    Cosyn, W., and Weiss, C. Sun .  
"Neutron spin structure from polarized deuteron DIS with proton tagging".  Netherlands.  https://doi.org/10.1016/j.physletb.2019.135035.

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@article{osti_1571529,

  title        = {Neutron spin structure from polarized deuteron DIS with proton tagging},

  author       = {Cosyn, W. and Weiss, C.},

  abstractNote = {Polarized electron-deuteron deep-inelastic scattering (DIS) with detection of the spectator proton ("tagged DIS") enables measurements of neutron spin structure with maximal control of nuclear effects. We calculate the longitudinal spin asymmetries in polarized tagged DIS using methods of light-front nuclear structure and study their dependence on the measured proton momentum. Asymmetries can be formed with all three deuteron spin states (± 1, 0) or the two maximum-spin states only (± 1, involving tensor polarization). The proton momentum dependence can be used to select pure S-wave configurations in the deuteron and eliminate D-wave depolarization (transverse momenta ppT ≲ 100 MeV). Free neutron spin structure can be extracted model-independently through pole extrapolation of the tagged asymmetries. Such measurements could be performed at a future electron-ion collider (EIC) with polarized deuteron beams and forward proton detectors.},

  doi          = {10.1016/j.physletb.2019.135035},

  journal      = {Physics Letters B},

  number       = C,

  volume       = 799,

  place        = {Netherlands},

  year         = {2019},

  month        = {12}

}

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Title: Neutron spin structure from polarized deuteron DIS with proton tagging

Abstract

Citation Formats

Nuclear final-state interactions in deep inelastic scattering off the lightest nuclei journal, September 2017

Model independent method for determination of the DIS structure of free neutron journal, August 2006

High-momentum-transfer processes with polarized deuterons journal, September 1983

Spin-dependent nuclear structure functions: General approach with application to the deuteron journal, August 1995

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Complete analysis of spin structure function g 1 of 3 He journal, June 2002

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Hard nuclear processes and microscopic nuclear structure journal, April 1988

Spin structure of the nucleon—status and recent results journal, July 2009

Deep inelastic scattering from polarized deuterons journal, March 1995

Nuclear effects in deep inelastic scattering of polarized electrons off polarized He 3 and the neutron spin structure functions journal, September 1993

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Infinite-Momentum Helicity States journal, April 1972

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Rotational covariance and light-front current matrix elements journal, February 1994

Comparative study of nuclear effects in polarized electron scattering from 3 He journal, November 2013

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Electromagnetic and weak current operators for interacting systems within the front-form dynamics journal, October 1998

Deuteron binding energies and form factors from light-front Hamiltonian field theory journal, September 2002

Frame dependence of spin-one angular conditions in light front dynamics journal, February 2002

Measurement of the structure function of the nearly free neutron using spectator tagging in inelastic H 2 ( e , e ′ p s ) X scattering with CLAS journal, April 2014

The nuclear effects in g13He and the Bjorken sum rule for A = 3 journal, July 1996

Nuclear final-state interactions in deep inelastic scattering off the lightest nuclei
journal, September 2017

Model independent method for determination of the DIS structure of free neutron
journal, August 2006

High-momentum-transfer processes with polarized deuterons
journal, September 1983

Spin-dependent nuclear structure functions: General approach with application to the deuteron
journal, August 1995

Accurate nucleon-nucleon potential with charge-independence breaking
journal, January 1995

Neutron spin structure with polarized deuterons and spectator proton tagging at EIC
journal, October 2014

Quantum chromodynamics and other field theories on the light cone
journal, August 1998

Complete analysis of spin structure function $g_{1}$ of $^{3} He$
journal, June 2002

Relativistic correction to the deuteron magnetic moment and angular condition
journal, September 1984

High-energy phenomena, short-range nuclear structure and QCD
journal, October 1981

Hard nuclear processes and microscopic nuclear structure
journal, April 1988

Spin structure of the nucleon—status and recent results
journal, July 2009

Deep inelastic scattering from polarized deuterons
journal, March 1995

Nuclear effects in deep inelastic scattering of polarized electrons off polarized ${}^{3}{He}$ and the neutron spin structure functions
journal, September 1993

Electromagnetic structure of the deuteron
journal, February 2002

Infinite-Momentum Helicity States
journal, April 1972

The theory and phenomenology of polarized deep inelastic scattering
journal, October 1995

The spin structure of the nucleon
journal, April 2013

Rotational covariance and light-front current matrix elements
journal, February 1994

Comparative study of nuclear effects in polarized electron scattering from $^{3}$ He
journal, November 2013

Electron-deuteron deep-inelastic scattering with spectator nucleon tagging and final-state interactions at intermediate $x$
journal, March 2018

Polarized deep-inelastic scattering from nuclei: A relativistic approach
journal, August 1996

Electron-Ion Collider: The next QCD frontier: Understanding the glue that binds us all
journal, September 2016

Electromagnetic and weak current operators for interacting systems within the front-form dynamics
journal, October 1998

Deuteron binding energies and form factors from light-front Hamiltonian field theory
journal, September 2002

Frame dependence of spin-one angular conditions in light front dynamics
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Measurement of the structure function of the nearly free neutron using spectator tagging in inelastic ${}^{2}H$ ( $e$ , $e^{'} p_{s}$ ) $X$ scattering with CLAS
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