Features of π-induced collective resonances in nuclei A semi-empirical model for collective nuclear resonances in the Δ energy region

被引：0

作者：

Gnesi, I. ^{[1
,3
,9
]}

Angelov, N. ^{[2
]}

Artoni, M. ^{[4
,5
]}

Baginyan, S. ^{[2
]}

Balestra, F. ^{[1
,3
]}

Batusov, Yu. ^{[2
]}

Batyuk, P. ^{[2
]}

Belolaptikov, I. ^{[2
]}

Bianconi, A. ^{[6
,7
]}

Blokhintseva, T. ^{[2
]}

Chiosso, M. ^{[1
,3
]}

Colantoni, M. L. ^{[1
,3
]}

Corradini, M. ^{[6
,7
]}

Dem'yanov, A. ^{[2
]}

Drozdov, V. ^{[2
]}

Frolov, V. ^{[2
,9
]}

Garfagnini, R. ^{[1
,3
]}

Grasso, A. ^{[1
,3
]}

Grebenyuk, V. ^{[2
]}

Ivanov, V. ^{[2
]}

Kirilov, A. ^{[2
]}

Kovalenko, V. ^{[2
]}

Rizzini, E. Lodi ^{[6
,7
]}

Lyashenko, V. ^{[2
]}

Maggiora, A. ^{[1
]}

Moiseenko, A. ^{[2
]}

Panyushkin, V. ^{[2
]}

Panzieri, D. ^{[4
,5
]}

Parsamyan, B. ^{[1
,3
]}

Piragino, G. ^{[1
,3
,9
]}

Pontecorvo, G. ^{[1
,2
,3
,9
]}

Rozhdestvensky, A. ^{[2
]}

Russakovich, N. ^{[2
]}

Scalas, E. ^{[4
,5
]}

Schepkin, M. ^{[8
]}

Tosello, F. ^{[1
]}

Venturelli, L. ^{[6
,7
]}

Zosi, G. F. ^{[3
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[2] Joint Inst Nucl Res INR, Dubna, Russia

[3] Univ Turin, Dipartimento Fis Gen A Avogadro, I-10124 Turin, Italy

[4] Ist Nazl Fis Nucl, Grp Collegato Alessandria, Alessandria, Italy

[5] Univ Piemonte Orientale, Alessandria, Italy

[6] Ist Nazl Fis Nucl, Grp Collegato Brescia, Brescia, Italy

[7] Univ Brescia, Brescia, Italy

[8] Alikhanov Inst Theoret & Expt Phys ITEP, Moscow, Russia

[9] Ctr Studi & Ric Enrico Fermi, Rome, Italy

来源：

EUROPEAN PHYSICAL JOURNAL A | 2011年 / 47卷 / 01期

关键词：

TOTAL CROSS-SECTIONS; NARROW BARYON RESONANCE; POSITIVE STRANGENESS; K+ COLLISIONS; XE NUCLEI; SCATTERING; PIONS; HE-4;

D O I：

10.1140/epja/i2011-11003-x

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：

A semi-empirical model is presented for the excitation of collective nuclear resonances induced by pions on nuclei in the Delta(1232) energy region. The physical features of the collective states have been extracted according to the model by fitting data from a collection of resonant p-nucleus elastic scattering cross-sections. The contributions to the total binding energy and to the width of a collective state per each additional nucleon involved in the resonance have been extracted. The interaction between the collective resonances and the surrounding nuclear medium is discussed.

引用

页数：10

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