Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,e′p) process

doi:10.1016/j.physletb.2018.10.063

Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,e^′p) process

Physics And Astronomy

Producción científica: Article › revisión exhaustiva

3 Citas (Scopus)

Resumen

We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of He3 proceeding to pd and ppn final states, performed in quasi-elastic kinematics at Q²=0.25(GeV/c)² for missing momenta up to 250MeV/c. These observables represent highly sensitive tools to investigate the electromagnetic and spin structure of He3 and the relative importance of two- and three-body effects involved in the breakup reaction dynamics. The measured asymmetries cannot be satisfactorily reproduced by state-of-the-art calculations of He3 unless their three-body segment is adjusted, indicating that the spin-dependent part of the nuclear interaction governing the three-body breakup process is much smaller than previously thought.

Idioma original	English
Páginas (desde-hasta)	117-121
Número de páginas	5
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	788
DOI	https://doi.org/10.1016/j.physletb.2018.10.063
Estado	Published - ene 10 2019

Nota bibliográfica

Publisher Copyright:
© 2018 The Author

Financiación

We thank the Jefferson Lab Hall A and Accelerator Operations technical staff for their outstanding support. This work was supported in part by the National Science Foundation and the U.S. Department of Energy . Jefferson Science Associates, LLC, operates Jefferson Lab for the U.S. DOE under U.S. DOE contract DE-AC05-06OR23177 . This work was supported in part by the Slovenian Research Agency (research core funding No. P1–0102 ). This work is a part of the LENPIC project and was supported by the Polish National Science Centre under Grants No. 2016/22/M/ST2/00173 and 2016/21/D/ST2/01120 . The numerical calculations of the Krakow group were partially performed on the supercomputer cluster of the JSC, Jülich, Germany. We thank the Jefferson Lab Hall A and Accelerator Operations technical staff for their outstanding support. This work was supported in part by the National Science Foundation and the U.S. Department of Energy. Jefferson Science Associates, LLC, operates Jefferson Lab for the U.S. DOE under U.S. DOE contract DE-AC05-06OR23177. This work was supported in part by the Slovenian Research Agency (research core funding No. P1–0102). This work is a part of the LENPIC project and was supported by the Polish National Science Centre under Grants No. 2016/22/M/ST2/00173 and 2016/21/D/ST2/01120. The numerical calculations of the Krakow group were partially performed on the supercomputer cluster of the JSC, Jülich, Germany.

Financiadores	Número del financiador
Polish National Science Centre	2016/21/D/ST2/01120, 2016/22/M/ST2/00173
National Science Foundation Arctic Social Science Program	1812369
U.S. Department of Energy EPSCoR	DE-AC05-06OR23177
Narodowe Centrum Nauki
Javna Agencija za Raziskovalno Dejavnost RS	P1–0102

ASJC Scopus subject areas

Nuclear and High Energy Physics

Acceder al documento

10.1016/j.physletb.2018.10.063

Otros archivos y enlaces

Citar esto

@article{765b01a13d28494cb6d0ca59da7f7429,

title = "Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,e′p) process",

abstract = "We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of He3 proceeding to pd and ppn final states, performed in quasi-elastic kinematics at Q2=0.25(GeV/c)2 for missing momenta up to 250MeV/c. These observables represent highly sensitive tools to investigate the electromagnetic and spin structure of He3 and the relative importance of two- and three-body effects involved in the breakup reaction dynamics. The measured asymmetries cannot be satisfactorily reproduced by state-of-the-art calculations of He3 unless their three-body segment is adjusted, indicating that the spin-dependent part of the nuclear interaction governing the three-body breakup process is much smaller than previously thought.",

keywords = "Double-polarization asymmetry, Helium-3 nucleus, Proton knock-out",

author = "M. Mihovilovi{\v c} and G. Jin and E. Long and Zhang, \{Y. W.\} and K. Allada and B. Anderson and Annand, \{J. R.M.\} and T. Averett and W. Bertozzi and W. Boeglin and P. Bradshaw and A. Camsonne and M. Canan and Cates, \{G. D.\} and C. Chen and Chen, \{J. P.\} and E. Chudakov and \{De Leo\}, R. and X. Deng and A. Deltuva and A. Deur and C. Dutta and \{El Fassi\}, L. and D. Flay and S. Frullani and F. Garibaldi and H. Gao and S. Gilad and R. Gilman and O. Glamazdin and J. Golak and S. Golge and J. Gomez and O. Hansen and Higinbotham, \{D. W.\} and T. Holmstrom and J. Huang and H. Ibrahim and \{de Jager\}, \{C. W.\} and E. Jensen and X. Jiang and M. Jones and H. Kamada and H. Kang and J. Katich and Khanal, \{H. P.\} and A. Kievsky and P. King and W. Korsch and J. LeRose",

note = "Publisher Copyright: {\textcopyright} 2018 The Author",

year = "2019",

month = jan,

day = "10",

doi = "10.1016/j.physletb.2018.10.063",

language = "English",

volume = "788",

pages = "117--121",

}

TY - JOUR

T1 - Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,e′p) process

AU - Mihovilovič, M.

AU - Jin, G.

AU - Long, E.

AU - Zhang, Y. W.

AU - Allada, K.

AU - Anderson, B.

AU - Annand, J. R.M.

AU - Averett, T.

AU - Bertozzi, W.

AU - Boeglin, W.

AU - Bradshaw, P.

AU - Camsonne, A.

AU - Canan, M.

AU - Cates, G. D.

AU - Chen, C.

AU - Chen, J. P.

AU - Chudakov, E.

AU - De Leo, R.

AU - Deng, X.

AU - Deltuva, A.

AU - Deur, A.

AU - Dutta, C.

AU - El Fassi, L.

AU - Flay, D.

AU - Frullani, S.

AU - Garibaldi, F.

AU - Gao, H.

AU - Gilad, S.

AU - Gilman, R.

AU - Glamazdin, O.

AU - Golak, J.

AU - Golge, S.

AU - Gomez, J.

AU - Hansen, O.

AU - Higinbotham, D. W.

AU - Holmstrom, T.

AU - Huang, J.

AU - Ibrahim, H.

AU - de Jager, C. W.

AU - Jensen, E.

AU - Jiang, X.

AU - Jones, M.

AU - Kamada, H.

AU - Kang, H.

AU - Katich, J.

AU - Khanal, H. P.

AU - Kievsky, A.

AU - King, P.

AU - Korsch, W.

AU - LeRose, J.

PY - 2019/1/10

Y1 - 2019/1/10

N2 - We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of He3 proceeding to pd and ppn final states, performed in quasi-elastic kinematics at Q2=0.25(GeV/c)2 for missing momenta up to 250MeV/c. These observables represent highly sensitive tools to investigate the electromagnetic and spin structure of He3 and the relative importance of two- and three-body effects involved in the breakup reaction dynamics. The measured asymmetries cannot be satisfactorily reproduced by state-of-the-art calculations of He3 unless their three-body segment is adjusted, indicating that the spin-dependent part of the nuclear interaction governing the three-body breakup process is much smaller than previously thought.

AB - We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of He3 proceeding to pd and ppn final states, performed in quasi-elastic kinematics at Q2=0.25(GeV/c)2 for missing momenta up to 250MeV/c. These observables represent highly sensitive tools to investigate the electromagnetic and spin structure of He3 and the relative importance of two- and three-body effects involved in the breakup reaction dynamics. The measured asymmetries cannot be satisfactorily reproduced by state-of-the-art calculations of He3 unless their three-body segment is adjusted, indicating that the spin-dependent part of the nuclear interaction governing the three-body breakup process is much smaller than previously thought.

KW - Double-polarization asymmetry

KW - Helium-3 nucleus

KW - Proton knock-out

UR - https://www.scopus.com/pages/publications/85057865443

UR - https://www.scopus.com/pages/publications/85057865443#tab=citedBy

U2 - 10.1016/j.physletb.2018.10.063

DO - 10.1016/j.physletb.2018.10.063

M3 - Article

AN - SCOPUS:85057865443

SN - 0370-2693

VL - 788

SP - 117

EP - 121

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -