Investigating neutron-proton pairing in sd -shell nuclei via (p,He3) and (He3,p) transfer reactions

Ayyad, Y.; Lee, J.; Tamii, A.; Lay, J. A.; Macchiavelli, A. O.; Aoi, N.; Brown, B. A.; Fujita, H.; Fujita, Y.; Ganioglu, E.; Hatanaka, K.; Hashimoto, T.; Ito, T.; Kawabata, T.; Li, Z.; Liu, H.; Matsubara, H.; Miki, K.; Ong, H. J.; Potel, G.; Sugai, I.; Susoy, G.; Vitturi, A.; Watanabe, H. D.; Yokota, N.; Zenihiro, J.

doi:10.1103/PhysRevC.96.021303

Title: Investigating neutron-proton pairing in $s d$ -shell nuclei via $(p, {}^{3}{He})$ and $({}^{3}{He}, p)$ transfer reactions

Abstract

Neutron-proton pairing correlations are investigated in detail via np transfer reactions in N=Zsd-shell nuclei. In particular, we study the cross-section ratio of the lowest 0+ and 1+ states as an observable to quantify the interplay between T=0 (isoscalar) and T=1 (isovector) pairing strengths. The experimental results are compared to second-order distorted-wave Born approximation calculations with proton-neutron amplitudes obtained in the shell-model formalism using the universal sd-shell interaction B. Our results suggest underestimation of the nonneglible isoscalar pairing strength in the shell-model descriptions at the expense of the isovector channel.

Authors:

Ayyad, Y. ^[1]; Lee, J. ^[2]; Tamii, A. ^[3]; Lay, J. A. ^[4]; Macchiavelli, A. O. ^[5]; Aoi, N. ^[3]; Brown, B. A. ^[6]; Fujita, H. ^[3]; Fujita, Y. ^[3]; Ganioglu, E. ^[7]; Hatanaka, K. ^[3]; Hashimoto, T. ^[3]; Ito, T. ^[3]; Kawabata, T. ^[8]; Li, Z. ^[9]; Liu, H. ^[9]; Matsubara, H. ^[10]; Miki, K. ^[3]; Ong, H. J. ^[3]; Potel, G. ^[6] more »

Osaka University (Japan); Michigan State University, East Lansing, MI (United States)
University of Hong Kong, Pokfulam (Hong Kong); RIKEN Center for Emergent Matter Science (CEMS), Wako (Japan)
Osaka University (Japan)
University degli Studi di Padova (Italy)
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Michigan State University, East Lansing, MI (United States)
Istanbul University (Turkey)
Kyoto University (Japan)
Peking University, Beijing (China)
National Institute of Radiological Sciences (NIRS), Chiba (Japan)
High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)

Publication Date:: Wed Aug 23 00:00:00 EDT 2017

Research Org.:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); European Commission Seventh Framework Programme; National Science Foundation (NSF)

OSTI Identifier:: 1607451

Alternate Identifier(s):: OSTI ID: 1375977

Grant/Contract Number:: SC0013617; 600376; PHY-1404442; AC02-05CH11231

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 96; Journal Issue: 2; Journal ID: ISSN 2469-9985

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; nuclear forces; nuclear structure; nuclear decays; pairing mechanisms; spin-singlet pairing; spin-triplet pairing; transfer reactions

Citation Formats


                    Ayyad, Y., Lee, J., Tamii, A., Lay, J. A., Macchiavelli, A. O., Aoi, N., Brown, B. A., Fujita, H., Fujita, Y., Ganioglu, E., Hatanaka, K., Hashimoto, T., Ito, T., Kawabata, T., Li, Z., Liu, H., Matsubara, H., Miki, K., Ong, H. J., Potel, G., Sugai, I., Susoy, G., Vitturi, A., Watanabe, H. D., Yokota, N., and Zenihiro, J. Investigating neutron-proton pairing in sd -shell nuclei via (p,He3) and (He3,p) transfer reactions.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevC.96.021303.

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                    Ayyad, Y., Lee, J., Tamii, A., Lay, J. A., Macchiavelli, A. O., Aoi, N., Brown, B. A., Fujita, H., Fujita, Y., Ganioglu, E., Hatanaka, K., Hashimoto, T., Ito, T., Kawabata, T., Li, Z., Liu, H., Matsubara, H., Miki, K., Ong, H. J., Potel, G., Sugai, I., Susoy, G., Vitturi, A., Watanabe, H. D., Yokota, N., & Zenihiro, J. Investigating neutron-proton pairing in sd -shell nuclei via (p,He3) and (He3,p) transfer reactions.  United States.  https://doi.org/10.1103/PhysRevC.96.021303

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                    Ayyad, Y., Lee, J., Tamii, A., Lay, J. A., Macchiavelli, A. O., Aoi, N., Brown, B. A., Fujita, H., Fujita, Y., Ganioglu, E., Hatanaka, K., Hashimoto, T., Ito, T., Kawabata, T., Li, Z., Liu, H., Matsubara, H., Miki, K., Ong, H. J., Potel, G., Sugai, I., Susoy, G., Vitturi, A., Watanabe, H. D., Yokota, N., and Zenihiro, J. Wed .  
"Investigating neutron-proton pairing in sd -shell nuclei via (p,He3) and (He3,p) transfer reactions".  United States.  https://doi.org/10.1103/PhysRevC.96.021303.  https://www.osti.gov/servlets/purl/1607451.

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@article{osti_1607451,

  title        = {Investigating neutron-proton pairing in sd -shell nuclei via (p,He3) and (He3,p) transfer reactions},

  author       = {Ayyad, Y. and Lee, J. and Tamii, A. and Lay, J. A. and Macchiavelli, A. O. and Aoi, N. and Brown, B. A. and Fujita, H. and Fujita, Y. and Ganioglu, E. and Hatanaka, K. and Hashimoto, T. and Ito, T. and Kawabata, T. and Li, Z. and Liu, H. and Matsubara, H. and Miki, K. and Ong, H. J. and Potel, G. and Sugai, I. and Susoy, G. and Vitturi, A. and Watanabe, H. D. and Yokota, N. and Zenihiro, J.},

  abstractNote = {Neutron-proton pairing correlations are investigated in detail via np transfer reactions in N=Zsd-shell nuclei. In particular, we study the cross-section ratio of the lowest 0+ and 1+ states as an observable to quantify the interplay between T=0 (isoscalar) and T=1 (isovector) pairing strengths. The experimental results are compared to second-order distorted-wave Born approximation calculations with proton-neutron amplitudes obtained in the shell-model formalism using the universal sd-shell interaction B. Our results suggest underestimation of the nonneglible isoscalar pairing strength in the shell-model descriptions at the expense of the isovector channel.},

  doi          = {10.1103/PhysRevC.96.021303},

  journal      = {Physical Review C},

  number       = 2,

  volume       = 96,

  place        = {United States},

  year         = {Wed Aug 23 00:00:00 EDT 2017},

  month        = {Wed Aug 23 00:00:00 EDT 2017}

}

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Works referenced in this record:

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Similar Records

Title: Investigating neutron-proton pairing in s d -shell nuclei via (p, He 3 ) and ( He 3 , p ) transfer reactions

Abstract

Citation Formats

Systematic study of proton-neutron pairing correlations in the nuclear shell model journal, October 2011

Collective T=0 pairing in N=Z nuclei? Pairing vibrations around 56Ni revisited journal, May 2000

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The Shell-Model Code NuShellX@MSU journal, June 2014

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Nuclear structure of Al 26 studied by two-nucleon transfer reactions Si 28 ( d , α ) and Mg 24 ( He 3 , p ) journal, April 1981

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Deuteron Transfer in N = Z Nuclei journal, April 2005

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Title: Investigating neutron-proton pairing in $s d$ -shell nuclei via $(p, {}^{3}{He})$ and $({}^{3}{He}, p)$ transfer reactions

Systematic study of proton-neutron pairing correlations in the nuclear shell model
journal, October 2011

Collective T=0 pairing in N=Z nuclei? Pairing vibrations around 56Ni revisited
journal, May 2000

Better-resolution measurement of vertical scattering angle in a new ion-optical mode of spectrometer “Grand Raiden”
journal, August 2001

Nuclear Superfluidity
book, August 2009

Spin-triplet pairing in large nuclei
journal, June 2010

Erratum: Calculation of the Transition from Pairing Vibrational to Pairing Rotational Regimes between Magic Nuclei ${}^{100}{Sn}$ and ${}^{132}{Sn}$ via Two-Nucleon Transfer Reactions [Phys. Rev. Lett. 107 , 092501 (2011)]
journal, February 2012

Coupled reaction channels calculations in nuclear physics
journal, April 1988

The Shell-Model Code NuShellX@MSU
journal, June 2014

Calculation of the Transition from Pairing Vibrational to Pairing Rotational Regimes between Magic Nuclei ${}^{100}{Sn}$ and ${}^{132}{Sn}$ via Two-Nucleon Transfer Reactions
journal, August 2011

Two-nucleon correlation effects in knockout reactions from ${}^{12}C$
journal, January 2011

Investigation of the 32S(3He, p)34Cl reaction
journal, December 1972

Enhancement of deuteron transfer reactions by neutron-proton pairing correlations
journal, December 1971

Proton-neutron pairing vibrations in $N = Z$ nuclei: Precursory soft mode of isoscalar pairing condensation
journal, September 2014

Compilation of phenomenological optical-model parameters 1954–1975
journal, January 1976

Competition of isoscalar and isovector proton-neutron pairing in nuclei
journal, May 1999

Magnetic spectrometer Grand Raiden
journal, February 1999

New “USD” Hamiltonians for the $sd$ shell
journal, September 2006

Discovery of the Shape Coexisting $0^{+}$ State in ${}^{32}{Mg}$ by a Two Neutron Transfer Reaction
journal, December 2010

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journal, July 1976

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journal, April 1981

Overview of neutron–proton pairing
journal, September 2014

Deuteron Transfer in $N = Z$ Nuclei
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