Interplay between sequential and prompt two-proton decay from the first excited state of 16Ne

被引：35

作者：

Brown, K. W. ^{[1
,2
]}

Charity, R. J. ^{[1
,2
]}

Sobotka, L. G. ^{[1
,2
]}

Grigorenko, L. V. ^{[3
,4
,5
]}

Golubkova, T. A. ^{[6
]}

Bedoor, S.

Buhro, W. W. ^{[9
]}

Chajecki, Z. ^{[9
]}

Elson, J. M. ^{[1
,2
]}

Lynch, W. G. ^{[9
,10
]}

Manfredi, J. ^{[9
,10
]}

McNeel, D. G. ^{[7
,8
]}

Reviol, W. ^{[1
,2
]}

Shane, R. ^{[9
,10
]}

Showalter, R. H. ^{[9
,10
]}

Tsang, M. B. ^{[9
,10
]}

Winkelbauer, J. R. ^{[9
,10
]}

Wuosmaa, A. H. ^{[7
,8
]}

机构：

[1] Washington Univ, Dept Chem, St Louis, MO 63130 USA

[2] Washington Univ, Dept Phys, St Louis, MO 63130 USA

[3] JINR, Flerov Lab Nucl React, RU-141980 Dubna, Russia

[4] Natl Res Nucl Univ MEPhI, RU-115409 Moscow, Russia

[5] Natl Res Ctr Kurchatov Inst, RU-123182 Moscow, Russia

[6] Moscow MV Lomonosov State Univ, Adv Educ & Sci Ctr, RU-121357 Moscow, Russia

[7] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

[8] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA

[9] Michigan State Univ, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA

[10] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

来源：

PHYSICAL REVIEW C | 2015年 / 92卷 / 03期

基金：

美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

NUCLEI;

D O I：

10.1103/PhysRevC.92.034329

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The first excited, J(pi) = 2(+) state of Ne-16 at E* = 1.69(2) MeV is well populated in neutron knockout reactions with a Ne-17 beam and the correlations between the momenta of the three final fragments following 2p decay were measured. The correlation pattern showed aspects of both sequential and diprotonlike decay, which were reproduced in three-body O-14 + p + p calculations. These calculations suggest that interference between these processes is responsible for the observed features which can be described in terms of a "tethered decay mechanism." The intrinsic width of this state was constrained to be from 100 to 250 keV. Higher excited states populating the N-13 + p + p + p exit channel were found at E* = 8.37(10) and 10.76(20) MeV.

引用

页数：12

共 19 条

[1] Two-proton decay of the first excited state of 17Ne
Chromik, MJ
Thirolf, PG
Thoennessen, M
Fauerbach, M
Glasmacher, T
Ibbotson, R
Kryger, RA
Scheit, H
Woods, PJ
NUCLEAR STRUCTURE 98, 1999, 481 : 187 - 191
[2] Two-proton sequential decay from excited states of 18Ne
Yu Ning
Maglione, Enrico
Ferreira, Lidia
NUCLEAR SCIENCE AND TECHNIQUES, 2013, 24 (05)
[3] Two-proton sequential decay from excited states of 18Ne
YU Ningal
MAGLIONE Enrico
FERREIRA Lidia
Nuclear Science and Techniques, 2013, 24 (05) : 99 - 101
[4] Two-proton sequential decay from excited states of 18Ne
Yu, N.
Maglione, E.
Ferreira, L. S.
4TH INTERNATIONAL CONFERENCE ON PROTON EMITTING NUCLEI AND RELATED TOPICS, 2011, 1409
[5] Proton-proton correlations observed in two-proton decay of 19Mg and 16Ne
Mukha, I.
Grigorenko, L.
Suemmerer, K.
Acosta, L.
Alvarez, M. A. G.
Casarejos, E.
Chatillon, A.
Cortina-Gil, D.
Espino, J. M.
Fomichev, A.
Garcia-Ramos, J. E.
Geissel, H.
Gomez-Camacho, J.
Hofmann, J.
Kiselev, O.
Korsheninnikov, A.
Kurz, N.
Litvinov, Yu.
Martel, I.
Nociforo, C.
Ott, W.
Pfuetzner, M.
Rodriguez-Tajes, C.
Roeckl, E.
Stanoiu, M.
Weick, H.
Woods, P. J.
PHYSICAL REVIEW C, 2008, 77 (06):
[6] Experimental Evidence of Two-Proton Emissions from 18Ne Excited State
Jia Fei
Lin Cheng-Jian
Zhang Huan-Qiao
Yang Feng
Jia Hui-Ming
Xu Xin-Xing
Wu Zhen-Dong
Liu Zu-Hua
Zhang Gao-Long
Zhang Chun-Lei
CHINESE PHYSICS LETTERS, 2009, 26 (03)
[7] Observation and Spectroscopy of New Proton-Unbound Isotopes 30Ar and 29Cl: An Interplay of Prompt Two-Proton and Sequential Decay
Mukha, I.
Grigorenko, L. V.
Xu, X.
Acosta, L.
Casarejos, E.
Ciemny, A. A.
Dominik, W.
Duenas-Diaz, J.
Dunin, V.
Espino, J. M.
Estrade, A.
Farinon, F.
Fomichev, A.
Geissel, H.
Golubkova, T. A.
Gorshkov, A.
Janas, Z.
Kaminski, G.
Kiselev, O.
Knoebel, R.
Krupko, S.
Kuich, M.
Litvinov, Yu A.
Marquinez-Duran, G.
Martel, I.
Mazzocchi, C.
Nociforo, C.
Orduz, A. K.
Pfuetzner, M.
Pietri, S.
Pomorski, M.
Prochazka, A.
Rymzhanova, S.
Sanchez-Benitez, A. M.
Scheidenberger, C.
Sharov, P.
Simon, H.
Sitar, B.
Slepnev, R.
Stanoiu, M.
Strmen, P.
Szarka, I.
Takechi, M.
Tanaka, Y. K.
Weick, H.
Winkler, M.
Winfield, J. S.
Zhukov, M. V.
PHYSICAL REVIEW LETTERS, 2015, 115 (20)
[8] Two-proton correlated emission from 18Ne excited states
Raciti, G.
De Napoli, M.
Cardella, G.
Rapisarda, E.
Amorini, F.
Sfienti, C.
NUCLEAR PHYSICS A, 2010, 834 (1-4) : 464C - 466C
[9] Spectroscopy of proton-unbound nuclei by tracking their decay products in-flight: One- and two-proton decays of 15F, 16Ne, and 19Na
Mukha, I.
Suemmerer, K.
Acosta, L.
Alvarez, M. A. G.
Casarejos, E.
Chatillon, A.
Cortina-Gil, D.
Egorova, I. A.
Espino, J. M.
Fomichev, A.
Garcia-Ramos, J. E.
Geissel, H.
Gomez-Camacho, J.
Grigorenko, L.
Hofmann, J.
Kiselev, O.
Korsheninnikov, A.
Kurz, N.
Litvinov, Yu. A.
Litvinova, E.
Martel, I.
Nociforo, C.
Ott, W.
Pfuetzner, M.
Rodriguez-Tajes, C.
Roeckl, E.
Stanoiu, M.
Timofeyuk, N. K.
Weick, H.
Woods, P. J.
PHYSICAL REVIEW C, 2010, 82 (05):
[10] Three-Body Faddeev Approach to Two-Proton Emissions from 18Ne Excited State
Yu Ning
Liu Fu-Qing
Zhang Huan-Qiao
CHINESE PHYSICS LETTERS, 2009, 26 (11)

← 1 2 →