The longitudinal and transverse structure functions of the 4H(e, e'p)3H reaction

J. E. Ducret; M. Bernheim; M. K. Brussel; G. P. Capitani; J. F. Danel; E. De Sanctis; S. Frullani; F. Garibaldi; F. Ghio; H. E. Jackson; M. Jodice; L. Lakehal-Ayat; J. M. Le Goff; A. Magnon; C. Marchand; Z. E. Meziani; J. Morgenstern; P. Vernin; A. Zghiche

doi:10.1016/0375-9474(93)90367-7

The longitudinal and transverse structure functions of the ⁴H(e, e'p)³H reaction

J. E. Ducret, M. Bernheim, M. K. Brussel, G. P. Capitani, J. F. Danel, E. De Sanctis, S. Frullani, F. Garibaldi, F. Ghio, H. E. Jackson, M. Jodice, L. Lakehal-Ayat, J. M. Le Goff, A. Magnon, C. Marchand, Z. E. Meziani, J. Morgenstern, P. Vernin, A. Zghiche

Research output: Contribution to journal › Article › peer-review

Abstract

⁴He(e, e'p)³H cross sections were measured in parallel kinematics for recoil momenta of 30, 90 and 190 MeV/c. For 30 and 90 MeV/c, the cross sections were also measured as a function of the momentum transfer between 0.30 and 0.83 GeV/c. A Rosenbluth decomposition of the cross sections was made, and experimental longitudinal and transverse spectral functions were derived. The longitudinal spectral function is quenched by about 40% relative to the transverse. After model-dependent corrections for final-state interactions, mesonic currents, and charge exchange scattering, the quenching remains at the level of {all equal to}20%. The spectral functions are compared to calculations employing realistic ⁴He wave functions. The longitudinal function is below the theoretical value; the transverse function is in agreement. The spectral function data reveal no significant q-dependence and imply an r.m.s. proton magnetic radius in ⁴He within a few percent of the free value.

Original language	English
Pages (from-to)	373-395
Number of pages	23
Journal	Nuclear Physics A
Volume	556
Issue number	3
DOIs	https://doi.org/10.1016/0375-9474(93)90367-7
Publication status	Published - 17 May 1993
Externally published	Yes

Keywords

Nuclear reactions

Access to Document

10.1016/0375-9474(93)90367-7

Cite this

Ducret, J. E., Bernheim, M., Brussel, M. K., Capitani, G. P., Danel, J. F., De Sanctis, E., Frullani, S., Garibaldi, F., Ghio, F., Jackson, H. E., Jodice, M., Lakehal-Ayat, L., Le Goff, J. M., Magnon, A., Marchand, C., Meziani, Z. E., Morgenstern, J., Vernin, P., & Zghiche, A. (1993). The longitudinal and transverse structure functions of the ⁴H(e, e'p)³H reaction. Nuclear Physics A, 556(3), 373-395. https://doi.org/10.1016/0375-9474(93)90367-7

@article{59df684571f7497d999d0a11858b888f,

title = "The longitudinal and transverse structure functions of the 4H(e, e'p)3H reaction",

abstract = "4He(e, e'p)3H cross sections were measured in parallel kinematics for recoil momenta of 30, 90 and 190 MeV/c. For 30 and 90 MeV/c, the cross sections were also measured as a function of the momentum transfer between 0.30 and 0.83 GeV/c. A Rosenbluth decomposition of the cross sections was made, and experimental longitudinal and transverse spectral functions were derived. The longitudinal spectral function is quenched by about 40\% relative to the transverse. After model-dependent corrections for final-state interactions, mesonic currents, and charge exchange scattering, the quenching remains at the level of \{all equal to\}20\%. The spectral functions are compared to calculations employing realistic 4He wave functions. The longitudinal function is below the theoretical value; the transverse function is in agreement. The spectral function data reveal no significant q-dependence and imply an r.m.s. proton magnetic radius in 4He within a few percent of the free value.",

keywords = "Nuclear reactions",

author = "Ducret, \{J. E.\} and M. Bernheim and Brussel, \{M. K.\} and Capitani, \{G. P.\} and Danel, \{J. F.\} and \{De Sanctis\}, E. and S. Frullani and F. Garibaldi and F. Ghio and Jackson, \{H. E.\} and M. Jodice and L. Lakehal-Ayat and \{Le Goff\}, \{J. M.\} and A. Magnon and C. Marchand and Meziani, \{Z. E.\} and J. Morgenstern and P. Vernin and A. Zghiche",

year = "1993",

month = may,

day = "17",

doi = "10.1016/0375-9474(93)90367-7",

language = "English",

volume = "556",

pages = "373--395",

journal = "Nuclear Physics A",

issn = "0375-9474",

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Ducret, JE, Bernheim, M, Brussel, MK, Capitani, GP, Danel, JF, De Sanctis, E, Frullani, S, Garibaldi, F, Ghio, F, Jackson, HE, Jodice, M, Lakehal-Ayat, L, Le Goff, JM, Magnon, A, Marchand, C, Meziani, ZE, Morgenstern, J, Vernin, P & Zghiche, A 1993, 'The longitudinal and transverse structure functions of the ⁴H(e, e'p)³H reaction', Nuclear Physics A, vol. 556, no. 3, pp. 373-395. https://doi.org/10.1016/0375-9474(93)90367-7

TY - JOUR

T1 - The longitudinal and transverse structure functions of the 4H(e, e'p)3H reaction

AU - Ducret, J. E.

AU - Bernheim, M.

AU - Brussel, M. K.

AU - Capitani, G. P.

AU - Danel, J. F.

AU - De Sanctis, E.

AU - Frullani, S.

AU - Garibaldi, F.

AU - Ghio, F.

AU - Jackson, H. E.

AU - Jodice, M.

AU - Lakehal-Ayat, L.

AU - Le Goff, J. M.

AU - Magnon, A.

AU - Marchand, C.

AU - Meziani, Z. E.

AU - Morgenstern, J.

AU - Vernin, P.

AU - Zghiche, A.

PY - 1993/5/17

Y1 - 1993/5/17

N2 - 4He(e, e'p)3H cross sections were measured in parallel kinematics for recoil momenta of 30, 90 and 190 MeV/c. For 30 and 90 MeV/c, the cross sections were also measured as a function of the momentum transfer between 0.30 and 0.83 GeV/c. A Rosenbluth decomposition of the cross sections was made, and experimental longitudinal and transverse spectral functions were derived. The longitudinal spectral function is quenched by about 40% relative to the transverse. After model-dependent corrections for final-state interactions, mesonic currents, and charge exchange scattering, the quenching remains at the level of {all equal to}20%. The spectral functions are compared to calculations employing realistic 4He wave functions. The longitudinal function is below the theoretical value; the transverse function is in agreement. The spectral function data reveal no significant q-dependence and imply an r.m.s. proton magnetic radius in 4He within a few percent of the free value.

AB - 4He(e, e'p)3H cross sections were measured in parallel kinematics for recoil momenta of 30, 90 and 190 MeV/c. For 30 and 90 MeV/c, the cross sections were also measured as a function of the momentum transfer between 0.30 and 0.83 GeV/c. A Rosenbluth decomposition of the cross sections was made, and experimental longitudinal and transverse spectral functions were derived. The longitudinal spectral function is quenched by about 40% relative to the transverse. After model-dependent corrections for final-state interactions, mesonic currents, and charge exchange scattering, the quenching remains at the level of {all equal to}20%. The spectral functions are compared to calculations employing realistic 4He wave functions. The longitudinal function is below the theoretical value; the transverse function is in agreement. The spectral function data reveal no significant q-dependence and imply an r.m.s. proton magnetic radius in 4He within a few percent of the free value.

KW - Nuclear reactions

U2 - 10.1016/0375-9474(93)90367-7

DO - 10.1016/0375-9474(93)90367-7

M3 - Article

AN - SCOPUS:0001232524

SN - 0375-9474

VL - 556

SP - 373

EP - 395

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 3