Characterization of the SIDDHARTA-2 Setup via the Kaonic Helium Measurement

被引：1

作者：

Sgaramella, Francesco ^{[1
]}

Clozza, Francesco ^{[1
,2
]}

Abbene, Leonardo ^{[3
]}

Artibani, Francesco ^{[1
,4
]}

Bazzi, Massimiliano ^{[1
]}

Borghi, Giacomo ^{[5
,6
]}

Bragadireanu, Mario ^{[7
]}

Buttacavoli, Antonino ^{[3
]}

Cargnelli, Michael ^{[8
]}

Carminati, Marco ^{[5
,6
]}

Clozza, Alberto ^{[1
]}

Deda, Griseld ^{[5
,6
]}

Del Grande, Raffaele ^{[1
,9
]}

De Paolis, Luca ^{[1
]}

Dulski, Kamil ^{[1
,10
,11
]}

Fiorini, Carlo ^{[5
,6
]}

Guaraldo, Carlo ^{[1
]}

Iliescu, Mihail ^{[1
]}

Iwasaki, Masahiko ^{[12
]}

Khreptak, Aleksander ^{[1
,10
]}

Manti, Simone ^{[1
]}

Marton, Johann ^{[8
]}

Miliucci, Marco ^{[1
]}

Moskal, Pawel ^{[10
,11
]}

Napolitano, Fabrizio ^{[1
]}

Niedzwiecki, Szymon ^{[10
,11
]}

Ohnishi, Hiroaki ^{[13
]}

Piscicchia, Kristian ^{[1
,14
,15
]}

Principato, Fabio ^{[3
]}

Scordo, Alessandro ^{[1
]}

Silarski, Michal ^{[10
]}

Sirghi, Diana ^{[1
,7
,14
,15
]}

Sirghi, Florin ^{[1
,7
]}

Skurzok, Magdalena ^{[10
,11
]}

Spallone, Antonio ^{[1
]}

Toho, Kairo ^{[13
]}

Tuechler, Marlene ^{[8
]}

Zmeskal, Johann ^{[8
]}

Curceanu, Catalina ^{[1
]}

机构：

[1] INFN, Lab Nazl Frascati, I-00044 Frascati, Italy

[2] Univ Roma Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[3] Univ Palermo, Dept Phys & Chem DiFC Emilio Segre, I-90128 Palermo, Italy

[4] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy

[5] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20133 Milan, Italy

[6] Politecn Milan, INFN Sez Milano, I-20133 Milan, Italy

[7] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Ilfov 077125, Romania

[8] Stefan Meyer Inst Subatomare Phys, A-1010 Vienna, Austria

[9] Tech Univ Munich, Excellence Cluster Universe, D-85748 Garching, Germany

[10] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, PL-30348 Krakow, Poland

[11] Jagiellonian Univ, Ctr Theranost, PL-31007 Krakow, Poland

[12] RIKEN, Wako, Saitama 3510198, Japan

[13] Tohoku Univ, Res Ctr Electron Photon Sci ELPH, Taihaku Ku, Sendai, Miyagi 9820826, Japan

[14] Ctr Ric Enrico Fermi Museo Stor Fis, I-00184 Rome, Italy

[15] Ctr Studi & Ric Enrico Fermi, I-00184 Rome, Italy

来源：

CONDENSED MATTER | 2024年 / 9卷 / 01期

基金：

日本学术振兴会; 奥地利科学基金会;

关键词：

kaonic helium; silicon drift detectors; X-rays; kaon-nucleon interaction; NUCLEON SCATTERING; DEUTERIUM; HYDROGEN; SPECTRUM; FIELD;

D O I：

10.3390/condmat9010016

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The aim of the SIDDHARTA-2 experiment is to perform the first measurement ever of the width and shift induced by the strong interaction to the 2p -> 1s energy transition of kaonic deuterium. This ambitious goal implies a challenging task due to the very low X-ray yield of kaonic deuterium, which is why an accurate and thorough characterization of the experimental apparatus is mandatory before starting the data-taking campaign. Helium-4 is an excellent candidate for this characterization since it exhibits a high yield in particular for the 3d -> 2p transition, roughly 100 times greater than that of the kaonic deuterium. The ultimate goal of the work reported in this paper is to study the performances of the full experimental setup in view of the kaonic deuterium measurement. This is carried out by measuring the values of the shift and the width for the 3d -> 2p energy transition of kaonic helium-4, induced by the strong interaction. The values obtained for these quantities, for a total integrated luminosity of similar to 31/pb, are epsilon 2p=2.0 +/- 1.2(stat)+/- 1.5(syst)eV and Gamma 2p=1.9 +/- 5.7(stat)+/- 0.7(syst)eV. The results, compared to the value of the shift measured by the SIDDHARTA experiment epsilon 2p=0 +/- 6(stat)+/- 2(syst)eV, show a net enhancement of the resolution of the apparatus, providing strong evidence of the potential to perform the challenging measurement of the kaonic deuterium.

引用

页数：11

共 30 条

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