Measurement of proton-distribution radii of neutron-rich nitrogen isotopes

Bagchi, Soumya; Kanungo, Rituparna; Horiuchi, Wataru; Hagen, Gaute; Morris, Titus D.; Stroberg, Steven Ragnar; Suzuki, Toshio; Ameil, Frederic; Atkinson, Joel; Ayyad, Yassid; Cortina-Gil, Dolores; Dillmann, Iris; Estradé, Alfredo; Evdokimov, Alexey; Farinon, Fabio; Geissel, Hans; Guastalla, Giulia; Janik, Rudolf; Kaur, Satbir; Knöbel, Ronja; Kurcewicz, Jan; Litvinov, Yury; Marta, Michele; Mostazo, Magdalena; Mukha, Ivan; Nociforo, Chiara; Ong, Hooi Jin; Pietri, Stephane; Prochazka, Andrej; Scheidenberger, Christoph; Sitar, Branislav; Strmen, Peter; Takechi, Maya; Tanaka, Junki; Tanaka, Yoshiki; Tanihata, Isao; Terashima, Satoru; Vargas, Jossitt; Weick, Helmut; Winfield, John Stuart

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Measurement of proton-distribution radii of neutron-rich nitrogen isotopes

Bagchi, Soumya; Kanungo, Rituparna; Horiuchi, Wataru; Hagen, Gaute; Morris, Titus D.; Stroberg, Steven Ragnar; Suzuki, Toshio; Ameil, Frederic; Atkinson, Joel; Ayyad, Yassid; Cortina-Gil, Dolores; Dillmann, Iris; Estradé, Alfredo; Evdokimov, Alexey; Farinon, Fabio; Geissel, Hans; Guastalla, Giulia; Janik, Rudolf; Kaur, Satbir; Knöbel, Ronja; Kurcewicz, Jan; Litvinov, Yury; Marta, Michele; Mostazo, Magdalena; Mukha, Ivan; Nociforo, Chiara; Ong, Hooi Jin; Pietri, Stephane; Prochazka, Andrej; Scheidenberger, Christoph; Sitar, Branislav; Strmen, Peter; Takechi, Maya; Tanaka, Junki; Tanaka, Yoshiki; Tanihata, Isao; Terashima, Satoru; Vargas, Jossitt; Weick, Helmut; Winfield, John Stuart

Date: 2019-12-04

Type: Text

ISSN: 2100-014X

Source:

EPJ Web of Conferences 223, 01003. (2019)

Abstract:

Measurement of root-mean-square radii of proton distributions of ^17–22N from charge-changing cross section shows the emergence of thick neutron skin towards the neutron-drip line. Signature of N = 14 shell gap has been found in nitrogen isotopes along with the emergence of neutron halo in ²²N. The measured radii are in good agreement with the shell model calculations.