Vertex identification of events in photonuclear reactions by cylindrical multiwire proportional chambers

被引：3

作者：

Mandaglio, G. ^{[1
,2
]}

Manganaro, M. ^{[1
,2
]}

Giardina, G. ^{[1
,2
]}

Bellini, V. ^{[2
,3
]}

Giusa, A. ^{[2
,3
]}

Mammoliti, F. ^{[2
,3
]}

Randieri, C. ^{[2
,3
]}

Russo, G. ^{[2
,3
]}

Sperduto, M. L. ^{[2
,3
]}

Sutera, C. ^{[3
]}

Casano, L. ^{[4
]}

D'Angelo, A. ^{[4
,5
]}

Di Salvo, R. ^{[4
]}

Fantini, A. ^{[4
,5
]}

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

Moricciani, D. ^{[4
]}

Schaerf, C. ^{[4
,5
]}

Vegna, V. ^{[4
,5
]}

Sandri, P. Levi ^{[6
]}

Girolami, B. ^{[7
,8
]}

Ghio, F. ^{[7
,8
]}

Gervino, G. ^{[9
,10
]}

Bocquet, J. P. ^{[11
]}

Lleres, A. ^{[11
]}

Rebreyend, D. ^{[11
]}

Renard, F. ^{[11
]}

Ignatov, A. S. ^{[12
]}

Lapik, A. M. ^{[12
]}

Mushkarenkov, A. N. ^{[12
]}

Nedorezov, V. G. ^{[12
]}

Rudnev, N. V. ^{[12
]}

Turinge, A. A. ^{[12
]}

机构：

[1] Univ Messina, Dipartimento Fis, I-98166 Messina, Italy

[2] Ist Nazl Fis Nucl, Sez Catania, I-95123 Catania, Italy

[3] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy

[4] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[5] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[6] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[7] Ist Super Sanita, I-00161 Rome, Italy

[8] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[9] Univ Turin, Dipartimento Fis Sperimentale, I-00125 Turin, Italy

[10] Ist Nazl Fis Nucl, Sez Torino, I-00125 Turin, Italy

[11] Univ Grenoble 1, Inst Natl Polytech Grenoble, CNRS, LPSC,IN2P3, F-38041 Grenoble, France

[12] Inst Nucl Res, RU-117312 Moscow, Russia

来源：

RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2009年 / 164卷 / 5-6期

关键词：

photonuclear reaction; reaction vertex; C-MWPC; deuterium target; +n- plus p reaction channel; Fermi momentum; GRAAL;

D O I：

10.1080/10420150902809551

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

In the framework of investigation of meson photo-production on proton and neutron in a deuterium target at the GRAAL experiment, we present a method to identify the vertex of interaction when in reaction products there are at least two charged particles, by the information provided by the cylindrical multiwire proportional chambers. By this device, we are able to obtain the direction of charged particles that leave the target after a photo-production reaction. For each charged particle, the device provides the coordinates of two points in the laboratory reference system, and the z-axis represents the beam direction. We calculate the trajectory of each charged particle and its cross point, representing the vertex of the reaction.

引用

页码：325 / 329

页数：5

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