Surface Localization of the Dineutron in Li 11

Y. Kubota; A. Corsi; G. Authelet; H. Baba; C. Caesar; D. Calvet; A. Delbart; M. Dozono; J. Feng; F. Flavigny; J. M. Gheller; J. Gibelin; A. Giganon; A. Gillibert; K. Hasegawa; T. Isobe; Y. Kanaya; S. Kawakami; D. Kim; Y. Kikuchi; Y. Kiyokawa; M. Kobayashi; N. Kobayashi; T. Kobayashi; Y. Kondo; Z. Korkulu; S. Koyama; V. Lapoux; Y. Maeda; F. M. Marqués; T. Motobayashi; T. Miyazaki; T. Nakamura; N. Nakatsuka; Y. Nishio; A. Obertelli; K. Ogata; A. Ohkura; N. A. Orr; S. Ota; H. Otsu; T. Ozaki; V. Panin; S. Paschalis; E. C. Pollacco; S. Reichert; J. Y. Roussé; A. T. Saito; S. Sakaguchi; M. Sako; C. Santamaria; M. Sasano; H. Sato; M. Shikata; Y. Shimizu; Y. Shindo; L. Stuhl; T. Sumikama; Y. L. Sun; M. Tabata; Y. Togano; J. Tsubota; Z. H. Yang; J. Yasuda; K. Yoneda; J. Zenihiro; T. Uesaka

doi:10.1103/PhysRevLett.125.252501

Surface Localization of the Dineutron in Li 11

Y. Kubota, A. Corsi, G. Authelet, H. Baba, C. Caesar, D. Calvet, A. Delbart, M. Dozono, J. Feng, F. Flavigny, J. M. Gheller, J. Gibelin, A. Giganon, A. Gillibert, K. Hasegawa, T. Isobe, Y. Kanaya, S. Kawakami, D. Kim, Y. KikuchiY. Kiyokawa, M. Kobayashi, N. Kobayashi, T. Kobayashi, Y. Kondo, Z. Korkulu, S. Koyama, V. Lapoux, Y. Maeda, F. M. Marqués, T. Motobayashi, T. Miyazaki, T. Nakamura, N. Nakatsuka, Y. Nishio, A. Obertelli, K. Ogata, A. Ohkura, N. A. Orr, S. Ota, H. Otsu, T. Ozaki, V. Panin, S. Paschalis, E. C. Pollacco, S. Reichert, J. Y. Roussé, A. T. Saito, S. Sakaguchi, M. Sako, C. Santamaria, M. Sasano, H. Sato, M. Shikata, Y. Shimizu, Y. Shindo, L. Stuhl, T. Sumikama, Y. L. Sun, M. Tabata, Y. Togano, J. Tsubota, Z. H. Yang, J. Yasuda, K. Yoneda, J. Zenihiro, T. Uesaka

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Abstract

The formation of a dineutron in the Li11 nucleus is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in Li11 via the (p,pn) knockout reaction at 246 MeV/nucleon. The correlation angle between the two neutrons is, for the first time, measured as a function of the intrinsic neutron momentum. A comparison with reaction calculations reveals the localization of the dineutron at r∼3.6 fm. The results also support the density dependence of dineutron formation as deduced from Hartree-Fock-Bogoliubov calculations for nuclear matter.

Original language	English
Article number	252501
Journal	Physical review letters
Volume	125
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.125.252501
Publication status	Published - 2020 Dec 16
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.125.252501

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Kubota, Y., Corsi, A., Authelet, G., Baba, H., Caesar, C., Calvet, D., Delbart, A., Dozono, M., Feng, J., Flavigny, F., Gheller, J. M., Gibelin, J., Giganon, A., Gillibert, A., Hasegawa, K., Isobe, T., Kanaya, Y., Kawakami, S., Kim, D., ... Uesaka, T. (2020). Surface Localization of the Dineutron in Li 11. Physical review letters, 125(25), [252501]. https://doi.org/10.1103/PhysRevLett.125.252501

Kubota, Y, Corsi, A, Authelet, G, Baba, H, Caesar, C, Calvet, D, Delbart, A, Dozono, M, Feng, J, Flavigny, F, Gheller, JM, Gibelin, J, Giganon, A, Gillibert, A, Hasegawa, K, Isobe, T, Kanaya, Y, Kawakami, S, Kim, D, Kikuchi, Y, Kiyokawa, Y, Kobayashi, M, Kobayashi, N, Kobayashi, T, Kondo, Y, Korkulu, Z, Koyama, S, Lapoux, V, Maeda, Y, Marqués, FM, Motobayashi, T, Miyazaki, T, Nakamura, T, Nakatsuka, N, Nishio, Y, Obertelli, A, Ogata, K, Ohkura, A, Orr, NA, Ota, S, Otsu, H, Ozaki, T, Panin, V, Paschalis, S, Pollacco, EC, Reichert, S, Roussé, JY, Saito, AT, Sakaguchi, S, Sako, M, Santamaria, C, Sasano, M, Sato, H, Shikata, M, Shimizu, Y, Shindo, Y, Stuhl, L, Sumikama, T, Sun, YL, Tabata, M, Togano, Y, Tsubota, J, Yang, ZH, Yasuda, J, Yoneda, K, Zenihiro, J & Uesaka, T 2020, 'Surface Localization of the Dineutron in Li 11', Physical review letters, vol. 125, no. 25, 252501. https://doi.org/10.1103/PhysRevLett.125.252501

@article{bb3a376444734f21be311b880e4bcd2a,

title = "Surface Localization of the Dineutron in Li 11",

abstract = "The formation of a dineutron in the Li11 nucleus is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in Li11 via the (p,pn) knockout reaction at 246 MeV/nucleon. The correlation angle between the two neutrons is, for the first time, measured as a function of the intrinsic neutron momentum. A comparison with reaction calculations reveals the localization of the dineutron at r∼3.6 fm. The results also support the density dependence of dineutron formation as deduced from Hartree-Fock-Bogoliubov calculations for nuclear matter.",

author = "Y. Kubota and A. Corsi and G. Authelet and H. Baba and C. Caesar and D. Calvet and A. Delbart and M. Dozono and J. Feng and F. Flavigny and Gheller, {J. M.} and J. Gibelin and A. Giganon and A. Gillibert and K. Hasegawa and T. Isobe and Y. Kanaya and S. Kawakami and D. Kim and Y. Kikuchi and Y. Kiyokawa and M. Kobayashi and N. Kobayashi and T. Kobayashi and Y. Kondo and Z. Korkulu and S. Koyama and V. Lapoux and Y. Maeda and Marqu{\'e}s, {F. M.} and T. Motobayashi and T. Miyazaki and T. Nakamura and N. Nakatsuka and Y. Nishio and A. Obertelli and K. Ogata and A. Ohkura and Orr, {N. A.} and S. Ota and H. Otsu and T. Ozaki and V. Panin and S. Paschalis and Pollacco, {E. C.} and S. Reichert and Rouss{\'e}, {J. Y.} and Saito, {A. T.} and S. Sakaguchi and M. Sako and C. Santamaria and M. Sasano and H. Sato and M. Shikata and Y. Shimizu and Y. Shindo and L. Stuhl and T. Sumikama and Sun, {Y. L.} and M. Tabata and Y. Togano and J. Tsubota and Yang, {Z. H.} and J. Yasuda and K. Yoneda and J. Zenihiro and T. Uesaka",

note = "Funding Information: We extend our appreciation to the RIKEN Nishina Center, the Center for Nuclear Study, The University of Tokyo, and the accelerator staff for their efforts in delivering an intense beam. We also would like to thank K. Hagino for the helpful discussion. The development of MINOS and the core MINOS team were supported by the European Research Council through the ERC (Grant No. MINOS-258567). This work was supported in part by KAKENHI (Grants No. JP16K05352, No. JP16H02179, and No. JP18H05404). D. K. acknowledges support from the Rare Isotope Science Project of Institute for Basic Science funded by the Ministry of Science and ICT and NRF of Korea (No. NRF-2013M7A1A1075764 and No. NRF-2019R1I1A1A01058354). L. S. acknowledges support from the Institute for Basic Science (IBS-R031-D1). J. G., F. M. M., and N. A. O. acknowledge partial support from the French-Japanese LIA-International Associated Laboratory for Nuclear Structure Problems as well as the French ANR14-CE33-0022-02 EXPAND. Publisher Copyright: {\textcopyright} 2020 American Physical Society.",

year = "2020",

month = dec,

day = "16",

doi = "10.1103/PhysRevLett.125.252501",

language = "English",

volume = "125",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "25",

}

TY - JOUR

T1 - Surface Localization of the Dineutron in Li 11

AU - Kubota, Y.

AU - Corsi, A.

AU - Authelet, G.

AU - Baba, H.

AU - Caesar, C.

AU - Calvet, D.

AU - Delbart, A.

AU - Dozono, M.

AU - Feng, J.

AU - Flavigny, F.

AU - Gheller, J. M.

AU - Gibelin, J.

AU - Giganon, A.

AU - Gillibert, A.

AU - Hasegawa, K.

AU - Isobe, T.

AU - Kanaya, Y.

AU - Kawakami, S.

AU - Kim, D.

AU - Kikuchi, Y.

AU - Kiyokawa, Y.

AU - Kobayashi, M.

AU - Kobayashi, N.

AU - Kobayashi, T.

AU - Kondo, Y.

AU - Korkulu, Z.

AU - Koyama, S.

AU - Lapoux, V.

AU - Maeda, Y.

AU - Marqués, F. M.

AU - Motobayashi, T.

AU - Miyazaki, T.

AU - Nakamura, T.

AU - Nakatsuka, N.

AU - Nishio, Y.

AU - Obertelli, A.

AU - Ogata, K.

AU - Ohkura, A.

AU - Orr, N. A.

AU - Ota, S.

AU - Otsu, H.

AU - Ozaki, T.

AU - Panin, V.

AU - Paschalis, S.

AU - Pollacco, E. C.

AU - Reichert, S.

AU - Roussé, J. Y.

AU - Saito, A. T.

AU - Sakaguchi, S.

AU - Sako, M.

AU - Santamaria, C.

AU - Sasano, M.

AU - Sato, H.

AU - Shikata, M.

AU - Shimizu, Y.

AU - Shindo, Y.

AU - Stuhl, L.

AU - Sumikama, T.

AU - Sun, Y. L.

AU - Tabata, M.

AU - Togano, Y.

AU - Tsubota, J.

AU - Yang, Z. H.

AU - Yasuda, J.

AU - Yoneda, K.

AU - Zenihiro, J.

AU - Uesaka, T.

N1 - Funding Information: We extend our appreciation to the RIKEN Nishina Center, the Center for Nuclear Study, The University of Tokyo, and the accelerator staff for their efforts in delivering an intense beam. We also would like to thank K. Hagino for the helpful discussion. The development of MINOS and the core MINOS team were supported by the European Research Council through the ERC (Grant No. MINOS-258567). This work was supported in part by KAKENHI (Grants No. JP16K05352, No. JP16H02179, and No. JP18H05404). D. K. acknowledges support from the Rare Isotope Science Project of Institute for Basic Science funded by the Ministry of Science and ICT and NRF of Korea (No. NRF-2013M7A1A1075764 and No. NRF-2019R1I1A1A01058354). L. S. acknowledges support from the Institute for Basic Science (IBS-R031-D1). J. G., F. M. M., and N. A. O. acknowledge partial support from the French-Japanese LIA-International Associated Laboratory for Nuclear Structure Problems as well as the French ANR14-CE33-0022-02 EXPAND. Publisher Copyright: © 2020 American Physical Society.

PY - 2020/12/16

Y1 - 2020/12/16

N2 - The formation of a dineutron in the Li11 nucleus is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in Li11 via the (p,pn) knockout reaction at 246 MeV/nucleon. The correlation angle between the two neutrons is, for the first time, measured as a function of the intrinsic neutron momentum. A comparison with reaction calculations reveals the localization of the dineutron at r∼3.6 fm. The results also support the density dependence of dineutron formation as deduced from Hartree-Fock-Bogoliubov calculations for nuclear matter.

AB - The formation of a dineutron in the Li11 nucleus is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in Li11 via the (p,pn) knockout reaction at 246 MeV/nucleon. The correlation angle between the two neutrons is, for the first time, measured as a function of the intrinsic neutron momentum. A comparison with reaction calculations reveals the localization of the dineutron at r∼3.6 fm. The results also support the density dependence of dineutron formation as deduced from Hartree-Fock-Bogoliubov calculations for nuclear matter.

UR - http://www.scopus.com/inward/record.url?scp=85098127106&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85098127106&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.125.252501

DO - 10.1103/PhysRevLett.125.252501

M3 - Article

C2 - 33416401

AN - SCOPUS:85098127106

SN - 0031-9007

VL - 125

JO - Physical Review Letters

JF - Physical Review Letters

IS - 25

M1 - 252501

ER -

Surface Localization of the Dineutron in Li 11

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