Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number

S. Chen; J. Lee; P. Doornenbal; A. Obertelli; C. Barbieri; Y. Chazono; P. Navrátil; K. Ogata; T. Otsuka; F. Raimondi; V. Somà; Y. Utsuno; K. Yoshida; H. Baba; F. Browne; D. Calvet; F. Château; N. Chiga; A. Corsi; M. L. Cortés; A. Delbart; J. M. Gheller; A. Giganon; A. Gillibert; C. Hilaire; T. Isobe; J. Kahlbow; T. Kobayashi; Y. Kubota; V. Lapoux; H. N. Liu; T. Motobayashi; I. Murray; H. Otsu; V. Panin; N. Paul; W. Rodriguez; H. Sakurai; M. Sasano; D. Steppenbeck; L. Stuhl; Y. L. Sun; Y. Togano; T. Uesaka; K. Wimmer; K. Yoneda; N. Achouri; O. Aktas; T. Aumann; L. X. Chung; F. Flavigny; S. Franchoo; I. Gašparić; R. B. Gerst; J. Gibelin; K. I. Hahn; D. Kim; T. Koiwai; Y. Kondo; P. Koseoglou; C. Lehr; B. D. Linh; T. Lokotko; M. Maccormick; K. Moschner; T. Nakamura; S. Y. Park; D. Rossi; E. Sahin; D. Sohler; P. A. Söderström; S. Takeuchi; H. Törnqvist; V. Vaquero; V. Wagner; S. Wang; V. Werner; X. Xu; H. Yamada; D. Yan; Z. Yang; M. Yasuda; L. Zanetti

doi:10.1103/PhysRevLett.123.142501

Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number

S. Chen, J. Lee, P. Doornenbal, A. Obertelli, C. Barbieri, Y. Chazono, P. Navrátil, K. Ogata, T. Otsuka, F. Raimondi, V. Somà, Y. Utsuno, K. Yoshida, H. Baba, F. Browne, D. Calvet, F. Château, N. Chiga, A. Corsi, M. L. CortésA. Delbart, J. M. Gheller, A. Giganon, A. Gillibert, C. Hilaire, T. Isobe, J. Kahlbow, T. Kobayashi, Y. Kubota, V. Lapoux, H. N. Liu, T. Motobayashi, I. Murray, H. Otsu, V. Panin, N. Paul, W. Rodriguez, H. Sakurai, M. Sasano, D. Steppenbeck, L. Stuhl, Y. L. Sun, Y. Togano, T. Uesaka, K. Wimmer, K. Yoneda, N. Achouri, O. Aktas, T. Aumann, L. X. Chung, F. Flavigny, S. Franchoo, I. Gašparić, R. B. Gerst, J. Gibelin, K. I. Hahn, D. Kim, T. Koiwai, Y. Kondo, P. Koseoglou, C. Lehr, B. D. Linh, T. Lokotko, M. Maccormick, K. Moschner, T. Nakamura, S. Y. Park, D. Rossi, E. Sahin, D. Sohler, P. A. Söderström, S. Takeuchi, H. Törnqvist, V. Vaquero, V. Wagner, S. Wang, V. Werner, X. Xu, H. Yamada, D. Yan, Z. Yang, M. Yasuda, L. Zanetti

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Resumen

Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca54 beam striking on a liquid hydrogen target at ∼200 MeV/u. A significantly larger cross section to the p3/2 state compared to the f5/2 state observed in the excitation of Ca53 provides direct evidence for the nature of the N=34 shell closure. This finding corroborates the arising of a new shell closure in neutron-rich calcium isotopes. The distorted-wave impulse approximation reaction formalism with shell model calculations using the effective GXPF1Bs interaction and ab initio calculations concur our experimental findings. Obtained transverse and parallel momentum distributions demonstrate the sensitivity of quasifree one-neutron knockout in inverse kinematics on a thick liquid hydrogen target with the reaction vertex reconstructed to final state spin-parity assignments.

Idioma original	Inglés
Número de artículo	142501
Publicación	Physical Review Letters
Volumen	123
N.º	14
DOI	https://doi.org/10.1103/PhysRevLett.123.142501
Estado	Publicada - 30 sep. 2019
Publicado de forma externa	Sí

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Chen, S., Lee, J., Doornenbal, P., Obertelli, A., Barbieri, C., Chazono, Y., Navrátil, P., Ogata, K., Otsuka, T., Raimondi, F., Somà, V., Utsuno, Y., Yoshida, K., Baba, H., Browne, F., Calvet, D., Château, F., Chiga, N., Corsi, A., ... Zanetti, L. (2019). Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number. Physical Review Letters, 123(14), Artículo 142501. https://doi.org/10.1103/PhysRevLett.123.142501

@article{50c0b41984624fbe9d331ee24a44fc58,

title = "Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number",

abstract = "Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca54 beam striking on a liquid hydrogen target at ∼200 MeV/u. A significantly larger cross section to the p3/2 state compared to the f5/2 state observed in the excitation of Ca53 provides direct evidence for the nature of the N=34 shell closure. This finding corroborates the arising of a new shell closure in neutron-rich calcium isotopes. The distorted-wave impulse approximation reaction formalism with shell model calculations using the effective GXPF1Bs interaction and ab initio calculations concur our experimental findings. Obtained transverse and parallel momentum distributions demonstrate the sensitivity of quasifree one-neutron knockout in inverse kinematics on a thick liquid hydrogen target with the reaction vertex reconstructed to final state spin-parity assignments.",

author = "S. Chen and J. Lee and P. Doornenbal and A. Obertelli and C. Barbieri and Y. Chazono and P. Navr{\'a}til and K. Ogata and T. Otsuka and F. Raimondi and V. Som{\`a} and Y. Utsuno and K. Yoshida and H. Baba and F. Browne and D. Calvet and F. Ch{\^a}teau and N. Chiga and A. Corsi and Cort{\'e}s, {M. L.} and A. Delbart and Gheller, {J. M.} and A. Giganon and A. Gillibert and C. Hilaire and T. Isobe and J. Kahlbow and T. Kobayashi and Y. Kubota and V. Lapoux and Liu, {H. N.} and T. Motobayashi and I. Murray and H. Otsu and V. Panin and N. Paul and W. Rodriguez and H. Sakurai and M. Sasano and D. Steppenbeck and L. Stuhl and Sun, {Y. L.} and Y. Togano and T. Uesaka and K. Wimmer and K. Yoneda and N. Achouri and O. Aktas and T. Aumann and Chung, {L. X.} and F. Flavigny and S. Franchoo and I. Ga{\v s}pari{\'c} and Gerst, {R. B.} and J. Gibelin and Hahn, {K. I.} and D. Kim and T. Koiwai and Y. Kondo and P. Koseoglou and C. Lehr and Linh, {B. D.} and T. Lokotko and M. Maccormick and K. Moschner and T. Nakamura and Park, {S. Y.} and D. Rossi and E. Sahin and D. Sohler and S{\"o}derstr{\"o}m, {P. A.} and S. Takeuchi and H. T{\"o}rnqvist and V. Vaquero and V. Wagner and S. Wang and V. Werner and X. Xu and H. Yamada and D. Yan and Z. Yang and M. Yasuda and L. Zanetti",

note = "Publisher Copyright: {\textcopyright} 2019 American Physical Society.",

year = "2019",

month = sep,

day = "30",

doi = "10.1103/PhysRevLett.123.142501",

language = "English",

volume = "123",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "14",

}

Chen, S, Lee, J, Doornenbal, P, Obertelli, A, Barbieri, C, Chazono, Y, Navrátil, P, Ogata, K, Otsuka, T, Raimondi, F, Somà, V, Utsuno, Y, Yoshida, K, Baba, H, Browne, F, Calvet, D, Château, F, Chiga, N, Corsi, A, Cortés, ML, Delbart, A, Gheller, JM, Giganon, A, Gillibert, A, Hilaire, C, Isobe, T, Kahlbow, J, Kobayashi, T, Kubota, Y, Lapoux, V, Liu, HN, Motobayashi, T, Murray, I, Otsu, H, Panin, V, Paul, N, Rodriguez, W, Sakurai, H, Sasano, M, Steppenbeck, D, Stuhl, L, Sun, YL, Togano, Y, Uesaka, T, Wimmer, K, Yoneda, K, Achouri, N, Aktas, O, Aumann, T, Chung, LX, Flavigny, F, Franchoo, S, Gašparić, I, Gerst, RB, Gibelin, J, Hahn, KI, Kim, D, Koiwai, T, Kondo, Y, Koseoglou, P, Lehr, C, Linh, BD, Lokotko, T, Maccormick, M, Moschner, K, Nakamura, T, Park, SY, Rossi, D, Sahin, E, Sohler, D, Söderström, PA, Takeuchi, S, Törnqvist, H, Vaquero, V, Wagner, V, Wang, S, Werner, V, Xu, X, Yamada, H, Yan, D, Yang, Z, Yasuda, M & Zanetti, L 2019, 'Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number', Physical Review Letters, vol. 123, n.º 14, 142501. https://doi.org/10.1103/PhysRevLett.123.142501

TY - JOUR

T1 - Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number

AU - Chen, S.

AU - Lee, J.

AU - Doornenbal, P.

AU - Obertelli, A.

AU - Barbieri, C.

AU - Chazono, Y.

AU - Navrátil, P.

AU - Ogata, K.

AU - Otsuka, T.

AU - Raimondi, F.

AU - Somà, V.

AU - Utsuno, Y.

AU - Yoshida, K.

AU - Baba, H.

AU - Browne, F.

AU - Calvet, D.

AU - Château, F.

AU - Chiga, N.

AU - Corsi, A.

AU - Cortés, M. L.

AU - Delbart, A.

AU - Gheller, J. M.

AU - Giganon, A.

AU - Gillibert, A.

AU - Hilaire, C.

AU - Isobe, T.

AU - Kahlbow, J.

AU - Kobayashi, T.

AU - Kubota, Y.

AU - Lapoux, V.

AU - Liu, H. N.

AU - Motobayashi, T.

AU - Murray, I.

AU - Otsu, H.

AU - Panin, V.

AU - Paul, N.

AU - Rodriguez, W.

AU - Sakurai, H.

AU - Sasano, M.

AU - Steppenbeck, D.

AU - Stuhl, L.

AU - Sun, Y. L.

AU - Togano, Y.

AU - Uesaka, T.

AU - Wimmer, K.

AU - Yoneda, K.

AU - Achouri, N.

AU - Aktas, O.

AU - Aumann, T.

AU - Chung, L. X.

AU - Flavigny, F.

AU - Franchoo, S.

AU - Gašparić, I.

AU - Gerst, R. B.

AU - Gibelin, J.

AU - Hahn, K. I.

AU - Kim, D.

AU - Koiwai, T.

AU - Kondo, Y.

AU - Koseoglou, P.

AU - Lehr, C.

AU - Linh, B. D.

AU - Lokotko, T.

AU - Maccormick, M.

AU - Moschner, K.

AU - Nakamura, T.

AU - Park, S. Y.

AU - Rossi, D.

AU - Sahin, E.

AU - Sohler, D.

AU - Söderström, P. A.

AU - Takeuchi, S.

AU - Törnqvist, H.

AU - Vaquero, V.

AU - Wagner, V.

AU - Wang, S.

AU - Werner, V.

AU - Xu, X.

AU - Yamada, H.

AU - Yan, D.

AU - Yang, Z.

AU - Yasuda, M.

AU - Zanetti, L.

PY - 2019/9/30

Y1 - 2019/9/30

N2 - Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca54 beam striking on a liquid hydrogen target at ∼200 MeV/u. A significantly larger cross section to the p3/2 state compared to the f5/2 state observed in the excitation of Ca53 provides direct evidence for the nature of the N=34 shell closure. This finding corroborates the arising of a new shell closure in neutron-rich calcium isotopes. The distorted-wave impulse approximation reaction formalism with shell model calculations using the effective GXPF1Bs interaction and ab initio calculations concur our experimental findings. Obtained transverse and parallel momentum distributions demonstrate the sensitivity of quasifree one-neutron knockout in inverse kinematics on a thick liquid hydrogen target with the reaction vertex reconstructed to final state spin-parity assignments.

AB - Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca54 beam striking on a liquid hydrogen target at ∼200 MeV/u. A significantly larger cross section to the p3/2 state compared to the f5/2 state observed in the excitation of Ca53 provides direct evidence for the nature of the N=34 shell closure. This finding corroborates the arising of a new shell closure in neutron-rich calcium isotopes. The distorted-wave impulse approximation reaction formalism with shell model calculations using the effective GXPF1Bs interaction and ab initio calculations concur our experimental findings. Obtained transverse and parallel momentum distributions demonstrate the sensitivity of quasifree one-neutron knockout in inverse kinematics on a thick liquid hydrogen target with the reaction vertex reconstructed to final state spin-parity assignments.

UR - http://www.scopus.com/inward/record.url?scp=85073071171&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.123.142501

DO - 10.1103/PhysRevLett.123.142501

M3 - Article

C2 - 31702209

AN - SCOPUS:85073071171

SN - 0031-9007

VL - 123

JO - Physical Review Letters

JF - Physical Review Letters

IS - 14

M1 - 142501

ER -

Quasifree Neutron Knockout from Ca 54 Corroborates Arising N=34 Neutron Magic Number

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