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1. Kaonic atoms with SIDDHARTA-2 at the DAΦNE collider

Author

Sirghi F., Abbene L., Bazzi M., Bosnar D., Bragadireanu M., Buttacavoli A., Cargnelli M., Carminati M., Clozza A., Deda G., Del Grande R., Dulski K., De Paolis L., Fabbietti L., Fiorini C., Friščić I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Sgaramella F., Niedźwiecki S., Ohnishi H., Piscicchia K., Sada Y., Scordo A., Silarski M., Sirghi D., Skurzok M., Spallone A., Toho K., Tüchler M., Yoshida C., Zmeska J., and Curceanu C.

Subjects
Physics, QC1-999
Abstract

The most important information still missing in the field of the low-energy antikaon-nucleon inter actions studies is the experimental determination of the hadronic energy shift and width of kaonic deuterium. This measurement will be performed by the SIDDHARTA-2 experiment, installed at the DAΦNE collider and presently in data taking campaign. The precise measurement of the shift and width of the 1s level with respect to the purely electromagnetic calculated values, generated by the presence of the strong interaction, through the measurement of the X-ray transitions to this level, in kaonic hydrogen, was performed by the SIDDHARTA collaboration, the kaonic deuterium is underway by SIDDHARTA-2. These measurement will allow the first precise experimental extraction of the isospin dependent antikaon-nucleon scattering lengths, funda mental quantities for understanding low-energy QCD in the strangeness sector. The experimental challenge of the kaonic deuterium measurement is the very small X-rays yield, the even larger width (compared to kaonic hy drogen), and the difficulty to perform X-rays spectroscopy with weak signals in the high radiation environment of DAΦNE. It was, therefore, crucial to develop a new apparatus involving large-area X-rays detector system, to optimize the signal and to control and by improve the signal-to-background ratio by gaining in solid angle, increasing the timing capability, and as well implementing additional charge particle tracking veto systems.

Published
2024
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2. The measurement of the E2 nuclear resonance effects in kaonic atoms at DAΦNE: The KAMEO proposal

Author

De Paolis L., Abbene L., Bazzi M., Bettelli M., Borghi G., Bosnar D., Bragadireanu M., Buttacavoli A., Cargnelli M., Carminati M., Clozza A., Deda G., Del Grande R., Dulski K., Fiorini C., Friščić I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedzwiecki S., Obertova J., Ohnishi O., Piscicchia K., Principato F., Sada Y., Scordo A., Sgaramella F., Silarski M., Sirghi D.L., Sirghi F., Skurzok M., Wycech S., Spallone A., Toho K., Tüchler M., Yoshida C., Zappettini A., Zmeskal J., and Curceanu C.

Subjects
Physics, QC1-999
Abstract

KAMEO (Kaonic Atoms Measuring Nuclear Resonance Effects Ob-servables) is a proposal for an experiment aiming to perform the first consistent measurement of the E2 nuclear resonance effects in kaonic molybdenum A=94,96,98,100 isotopes. The E2 nuclear resonance mixes atomic states, due to the electrical quadrupole excitation of nuclear rotational states. It occurs in atoms having the energy of a nuclear excitation state closely matching an atomic de-excitation state energy, and affects the rates of X-ray atomic transitions matching the energy of the resonance. The measurement E2 nuclear resonance effect in KMO isotopes allows the study of the strong kaon-nucleus interaction in a rotational excited nuclear state. Moreover, the effect enables the K- to access an inner atomic level not easily reachable by the kaon normal cascade, due to the nuclear absorption. The KAMEO proposed apparatus consists of 4 enriched Mo A=94,96,98,100 isotope strips, exposed to the kaons produced by the DAφNE collider, for kaonic atoms formation, with a high-purity germanium detector, cooled with liquid nitrogen, used to measure the X-ray atomic transitions. The DAφNE collider is located at the National Laboratories of Frascati (LNF-INFN), in Italy. It is already suited for kaonic atoms measurement by the SIDDHARTA-2 collaboration.

Published
2024
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3. High precision X-ray spectroscopy of kaonic neon

Author

Sgaramella, F, Sirghi, D, Toho, K, Clozza, F, Abbene, L, Amsler, C, Artibani, F, Bazzi, M, Borghi, G, Bosnar, D, Bragadireanu, M, Buttacavoli, A, Cargnelli, M, Carminati, M, Clozza, A, Del Grande, R, De Paolis, L, Dulski, K, Fabbietti, L, Fiorini, C, Friščić, I, Guaraldo, C, Iliescu, M, Iwasaki, M, Khreptak, A, Manti, S, Marton, J, Moskal, P, Napolitano, F, Niedźwiecki, S, Ohnishi, H, Piscicchia, K, Principato, F, Scordo, A, Silarski, M, Sirghi, F, Skurzok, M, Spallone, A, Toscano, L G, Tüchler, M, Doce, O Vazquez, Widmann, E, Zmeskal, J, and Curceanu, C

Subjects
Nuclear Experiment, High Energy Physics - Experiment
Abstract

The high-precision kaonic neon X-ray transitions measurement performed by the SIDDHARTA-2 collaboration at the DA$\Phi$NE collider is reported. Both the X-ray energies and yields for high-n transitions were measured, demonstrating the feasibility of sub-eV Xray spectroscopy for kaonic atoms using low-Z gaseous targets. The measurement provides valuable insights into the de-excitation processes in kaonic atoms, providing new input data for the refinement of the corresponding theoretical models, and a framework for testing Quantum Electrodynamics in strange exotic atoms., Comment: 9 pages, 3 figures, 1 table

Published
2024

4. Investigating the E2 Nuclear Resonance Effects in Kaonic Atoms: The KAMEO Proposal

Author

De Paolis L., Bosnar D., Bragadireanu M., Cargnelli M., Carminati M., Clozza A., Deda G., Del Grande R., Dulski K., Fiorini C., Friščić I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedźwiecki S., Ohnishi O., Piscicchia K., Sada Y., Scordo A., Sgaramella F., Silarski M., Sirghi D.L., Sirghi F., Skurzok M., Wycech S., Spallone A., Toho K., Tüchler M., Yoshida C., Zmeskal J., and Curceanu C.

Subjects
Physics, QC1-999
Abstract

The E2 nuclear resonance effect in kaonic atoms occurs when the energy of atomic de-excitation closely matches the energy of nuclear excitation, leading to the attenuation of some X-ray lines in the resonant isotope target. This phenomenon provides crucial information on the strong interaction between kaons and nuclei. The only nuclear E2 resonance effect observed so far was in the K− −9842Mo isotope, measured by G. L. Goldfrey, G-K. Lum, and C. E. Wiegand at Lawrence Berkeley Laboratory in 1975. However, the 25 hours of data taking were not sufficient to yield conclusive results. In four kaonic Molybdenum isotopes (9442Mo, 9642Mo, 9842and Mo, and 10042Mo), the nuclear E2 resonance effect is expected to occur at the same transition with similar energy values. To investigate this, the KAMEO (Kaonic Atoms Measuring Nuclear Resonance Effects Observables) experiment plans to conduct research on kaonic Molybdenum isotopes at the DAΦNE e+e− collider during the SIDDHARTA-2 experiment. The experimental strategy involves exposing four solid strip targets, each enriched with one Molybdenum isotope, to negatively charged kaons and using a germanium detector to measure X-ray transitions. In addition, a non-resonant 9242Mo isotope solid strip target will be used as a reference for standard non-resonant transitions.

Published
2023
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5. SIDDHARTA-2 veto system design and performance for kaonic atoms studies at DAΦNE

Author

Sgaramella F., Bazzi M., Bosnar D., Bragadireanu M., Cargnelli M., Carminati M., Clozza A., Deda G., Del Grande R., Dulski K., De Paolis L., Fabbietti L., Fiorini C., Friščić I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedźwiecki S., Ohnishi H., Piscicchia K., Sada Y., Scordo A., Silarski M., Sirghi D., Sirghi F., Skurzok M., Spallone A., Toho K., Tüchler M., Yoshida C., Zmeskal J., and Curceanu C.

Subjects
Physics, QC1-999
Abstract

Light kaonic atoms spectroscopy provides a unique approach to study the low-energy strong interaction in the strangeness sector. Precise measurements of X-ray emission from light kaonic atoms provide valuable information on kaon-nucleus interaction at threshold without the need for extrapolation as required in scattering experiments. The SIDDHARTA-2 experiment at the DAΦNE collider of INFN-LNF is now poised to perform the challenging measurements of the K−- d 2p → 1s transition to extract the isospin-dependent antikaonnucleon scattering lengths. To achieve this goal, the background reduction is a crucial factor. This paper provides an overview of the SIDDHARTA-2 Veto-1 system, which uses scintillators outside the vacuum chamber to detect charged particles produced by K− absorption by the nucleus. The arrival time of these particles is correlated with the position where the kaonic atom has been created inside the setup, allowing for the rejection of kaons stopped outside the target cell, which is a critical component for reducing the background and improve the accuracy of the measurement.

Published
2023
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6. Kaonic lead feasibility measurement at DA{\Phi}NE to solve the charged kaon mass discrepancy

Author

Bosnar, D., Abbene, L., Amsler, C., Artibani, F., Bazzi, M., Bragadireanu, M., Buttacavoli, A., Cargnelli, M., Carminati, M., Clozza, A., Clozza, F., Deda, G., De Paolis, L., Del Grande, R., Dulski, K., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Makek, M., Manti, S., Marton, J., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Scordo, A., Sgaramella, F., Sirghi, D., Sirghi, F., Skurzok, M., Silarski, M., Spallone, A., Toho, K., Tüchler, M., Doce, O. Vasquez, Zmeskal, J., and Curceanu, C.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

An HPGe detector equipped with a transistor reset preamplifier and readout with a CAEN DT5781 fast pulse digitizer was employed in the measurement of X-rays from kaonic lead at the DA$\Phi$NE $e^+e^-$ collider at the Laboratori Nazionali di Frascati of INFN. A thin scintillator in front of a lead target was used to select kaons impinging on it and to form the trigger for the HPGe detector. We present the results of the kaonic lead feasibility measurement, where we show that the resolution of the HPGe detector in regular beam conditions remains the same as that without the beam and that a satisfactory background reduction can be achieved. This measurement serves as a test bed for future dedicated kaonic X-rays measurements for the more precise determination of the charged kaon mass., Comment: 14 pages, 7 figures

Published
2024

7. Trigger rejection factor in the first kaonic helium run with the complete SIDDHARTA-2 setup

Author

De Paolis L., Bazzi M., Bosnar D., Bragadireanu M., Cargnelli M., Carminati M., Clozza A., Deda G., Del Grande R., Fabbietti L., Fiorini C., Friščić I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., King P., Sandri P. Levi, Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedźwiecki S., Ohnishi H., Piscicchia K., Sada Y., Scordo A., Sgaramella F., Shi H., Silarski M., Sirghi D.L., Sirghi F., Skurzok M., Spallone A., Toho K., Tüchler M., Doce O. Vazquez, Yoshida C., Zmeskal J., and Curceanu C.

Subjects
Physics, QC1-999
Abstract

The SIDDHARTA-2 experiment aims to perform the first measurement of the kaonic deuterium 2p → 1s x-ray transition energy. Such measurement, together with the measurement of kaonic hydrogen 2p → 1s x-ray energy transition performed by the SIDDHARTA experiment in 2011, allows the determination of kaon proton and kaon neutron scattering lengths and represents a fundamental input for the low energies QCD in the strangeness sector theory. The SIDDHARTA-2 experiment is presently installed at the DAΦNE electronpositron collider at the National Laboratories of Frascati, in Italy. In May 2022, the kaonic 4He x-ray transitions measurement was performed by the complete SIDDHARTA-2 setup, by using a gaseous target. The result of this measurement is presented in this paper, with a specific focus on the background rejection performed by the kaon trigger system.

Published
2022
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8. Main Features of the SIDDHARTA-2 Apparatus for Kaonic Deuterium X-Ray Measurements

Author

Tüchler Marlene, Sirghi Florin, Bazzi M., Bosnar D., Bragadireanu M., Carminati M., Cargnelli M., Clozza A., Curceanu C., Deda G., Del Grande R., De Paolis L., Fiorini C., Guaraldo C., Iliescu M., Iwasaki M., King P., Levi Sandri P., Marton J., Miliucci M., Moskal P., Napolitano F., Niedzwiecki S., Piscicchia K., Scordo A., Sgaramella F., Shi H., Silarski M., Sirghi D., Skurzok M., Spallone A., Vazquez Doce O., Widmann E., and Zmeskal J.

Subjects
Physics, QC1-999
Abstract

The low-energy, non-perturbative regime of QCD can be studied directly by X-ray spectroscopy of light kaonic atoms. The SIDDHARTA-2 experiment, located at the DAΦNE collider, aims to measure the 2p → 1s transition in kaonic deuterium for the first time to extract the antikaon-nucleon scattering lengths. This measurement is impeded, inter alia, by the low K−d X-ray yield. Hence, several updates have been implemented on the apparatus to increase the signal-to-background ratio, which are discussed in detail in this paper: a lightweight gas target cell, novel Silicon Drift Detectors for the X-ray detection with excellent performance, and a veto system for active background suppression. The experiment has undergone a first preparatory run during DAΦNE’s commissioning phase in 2021, concluding with a successful kaonic helium measurement.

Published
2022
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9. First measurement of kaonic helium-4 M-series transitions

Author

Sgaramella, F, Sirghi, D, Abbene, L, Artibani, F, Bazzi, M, Bosnar, D, Bragadireanu, M, Buttacavoli, A, Cargnelli, M, Carminati, M, Clozza, A, Clozza, F, Deda, G, Del Grande, R, De Paolis, L, Dulski, K, Fabbietti, L, Fiorini, C, Friscic, I, Guaraldo, C, Iliescu, M, Iwasaki, M, Khreptak, A, Manti, S, Marton, J, Miliucci, M, Moskal, P, Napolitano, F, Niedzwiecki, S, Ohnishi, H, Piscicchia, K, Principato, F, Scordo, A, Silarski, M, Sirghi, F, Skurzok, M, Spallone, A, Toho, K, Tuchler, M, Doce, O Vazquez, Yoshida, C, Zmeskal, J, and Curceanu, C

Subjects
Nuclear Experiment
Abstract

In this paper we present the results of a new kaonic helium-4 measurement with a 1.37 g/l gaseous target by the SIDDHARTA-2 experiment at the DA{\Phi}NE collider. We measured, for the first time, the energies and yields of three transitions belonging to the Mseries. Moreover, we improved by a factor about three, the statistical precision of the 2p level energy shift and width induced by the strong interaction, obtaining the most precise measurement for gaseous kaonic helium, and measured the yield of the L{\alpha} transition at the employed density, providing a new experimental input to investigate the density dependence of kaonic atoms transitions yield., Comment: 12 pages, 5 figures, 3 tables

Published
2023

10. CdZnTe detectors tested at the DA{\Phi}NE collider for future kaonic atoms measurements

Author

Scordo, A., Abbene, L., Artibani, F., Bazzi, M., Bettelli, M., Bosnar, D., Borghi, G., Bragadireanu, M., Buttacavoli, A., Cargnelli, M., Carminati, M., Clozza, A., Clozza, F., De Paolis, L., Deda, G., Del Grande, R., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Manti, S., Marton, J., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Principato, F., Sada, Y., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D. L., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Yoshida, C., Zappettini, A., Zmeskal, J., and Curceanu, C.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The SIDDHARTA-2 collaboration at the INFN Laboratories of Frascati (LNF) aims to perform groundbreaking measurements on kaonic atoms. In parallel and beyond the ongoing kaonic deuterium, presently running on the DA$\Phi$NE collider at LNF, we plan to install additional detectors to perform further kaonic atoms' studies, taking advantage of the unique low energy and low momentum spread $K^-$ beam delivered by the at-rest decay of the $\phi$ meson. CdZnTe devices are ideal for detecting transitions toward both the upper and lower levels of intermediate-mass kaonic atoms, like kaonic carbon and aluminium, which have an important impact on the strangeness sector of nuclear physics. We present the results obtained in a set of preliminary tests conducted on DA$\Phi$NE, in view of measurements foreseen in 2024, with the twofold aim to tune the timing window required to reject the extremely high electromagnetic background, and to quantify the readout electronics saturation effect due to the high rate, when placed close to the Interaction Region (IR). In the first test we used commercial devices and electronics, while for the second one both were customized at the IMEM-CNR of Parma and the University of Palermo. The results confirmed the possibility of finding and matching a proper timing window where to identify the signal events and proved better performances, in terms of energy resolution, of the custom system. In both cases, strong saturation effects were confirmed, accounting for a loss of almost 90\% of the events, which will be overcome by a dedicated shielding structure foreseen for the final experimental setup.

Published
2023

11. Novel Machine Learning and Differentiable Programming Techniques applied to the VIP-2 Underground Experiment

Author

Napolitano, F, Bazzi, M, Bragadireanu, M, Cargnelli, M, Clozza, A, De Paolis, L, Del Grande, R, Fiorini, C, Guaraldo, C, Iliescu, M, Laubenstein, M, Manti, S, Marton, J, Miliucci, M, Piscicchia, K, Porcelli, A, Scordo, A, Sgaramella, F, Sirghi, D, Sirghi, F, Doce, O, Zmeskal, J, and Curceanu, C

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

In this work, we present novel Machine Learning and Differentiable Programming enhanced calibration techniques used to improve the energy resolution of the Silicon Drift Detectors (SDDs) of the VIP-2 underground experiment at the Gran Sasso National Laboratory (LNGS). We achieve for the first time a Full Width at Half Maximum (FWHM) in VIP-2 below 180 eV at 8 keV, improving around 10 eV on the previous state-of-the-art. SDDs energy resolution is a key parameter in the VIP-2 experiment, which is dedicated to searches for physics beyond the standard quantum theory, targeting Pauli Exclusion Principle (PEP) violating atomic transitions. Additionally, we show that this method can correct for potential miscalibrations, requiring less fine-tuning with respect to standard methods., Comment: Submitted to Measurement Science and Technology

Published
2023
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12. Measurements of high-n transitions in intermediate mass kaonic atoms by SIDDHARTA-2 at DA$\mathrm{\Phi}$NE

Author

Sgaramella, F., Tüchler, M., Amsler, C., Bazzi, M., Bosnar, D., Bragadireanu, M., Cargnelli, M., Carminati, M., Clozza, A., Deda, G., Del Grande, R., De Paolis, L., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Manti, S., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Sada, Y., Scordo, A., Shi, H., Silarski, M., Sirghi, D., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Doce, O. Vazquez, Widmann, E., Yoshida, C., Zmeskal, J., and Curceanu, C.

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

The SIDDHARTA-2 experiment installed at the DA$\mathrm{\Phi}$NE collider of INFN-LNF performed, for the first time, measurements of high-n transitions in intermediate mass kaonic atoms during the data taking campaigns of 2021 and 2022. Kaonic carbon, oxygen, nitrogen and aluminium transitions, which occur in the setup materials, were measured by using the kaons stopped in the gaseous helium target cell with aluminium frames and Kapton walls, and are reported in this paper. These new kaonic atoms measurements add valuable input to the kaonic atoms transitions data base, which is used as a reference for theories and models of the low-energy strong interaction between antikaon and nuclei. Moreover, these results pave the way for future dedicated kaonic atoms measurements through the whole periodic table and to a new era for the antikaon-nuclei studies at low energy., Comment: 8 pages, 7 figures

Published
2023
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13. New opportunities for kaonic atoms measurements from CdZnTe detectors

Author

Abbene, L., Bettelli, M., Buttacavoli, A., Principato, F., Zappettini, A., Amsler, C., Bazzi, M., Bosnar, D., Bragadireanu, M., Cargnelli, M., Carminati, M., Clozza, A., Deda, G., De Paolis, L., Del Grande, R., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Manti, S., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Sada, Y., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D. L., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Doce, O. Vazquez, Yoshida, C., Zmeskal, J., Scordo, A., and Curceanu, C.

Subjects
Physics - Instrumentation and Detectors
Abstract

We present the tests performed by the SIDDHARTA-2 collaboration at the DA{\Phi}NE collider with a quasi-hemispherical CdZnTe detector. The very good room-temperature energy resolution and efficiency in a wide energy range show that this detector technology is ideal for studying radiative transitions in intermediate and heavy-mass kaonic atoms. The CdZnTe detector was installed for the first time in an accelerator environment to perform tests on the background rejection capabilities, which were achieved by exploiting the SIDDHARTA-2 Luminosity Monitor. A spectrum with an $^{241}Am$ source has been acquired, with beams circulating in the main rings, and peak resolutions of 6% at 60 keV and of 2.2% at 511 keV have been achieved. The background suppression factor, which turned out to be of the order of $\simeq10^{5-6}$, opens the possibility to plan for future kaonic atom measurements with CdZnTe detectors.

Published
2023
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14. Studies of the linearity and stability of Silicon Drift Detectors for kaonic atoms X-ray spectroscopy

Author

Khreptak, A., Amsler, C., Bazzi, M., Bosnar, D., Bragadireanu, M., Carminati, M., Cargnelli, M., Clozza, A., Deda, G., De Paolis, L., Del Grande, R., Fabbietti, L., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., Manti, S., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Sada, Y., Scordo, A., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Doce, O. Vazquez, Zmeskal, J., Yoshida, C., and Curceanu, C.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The SIDDHARTA-2 experiment at the DA$\Phi$NE collider aims to perform precision measurements of kaonic atoms X-ray spectroscopy for the investigation of the antikaon-nucleon strong interaction. To achieve this goal, novel large-area Silicon Drift Detectors (SDDs) have been developed. These devices have special geometry, field configuration and readout electronics that ensure excellent performance in terms of linearity and stability. The paper presents preliminary results for the linearity determination and stability monitoring of the SDDs system during the measurement of kaonic deuterium carried out in the summer of 2022.

Published
2022

15. First tests of the full SIDDHARTA-2 experimental apparatus with a 4 He gaseous target

Author

Scordo, A., Amsler, C., Bazzi, M., Bosnar, D., Bragadireanu, M., Cargnelli, M., Carminati, M., Clozza, A., Deda, G., De Paolis, L., Del Grande, R., Fabbietti, L., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., King, P., Sandri, P. Levi, Manti, S., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Sada, Y., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D. L., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Doce, O. Vazquez, Yoshida, C., Zmeskal, J., and Curceanu, C.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

In this paper, we present the first tests performed after the full installation of the SIDDHARTA-2 experimental apparatus on the Interaction Region of the DA{\Phi}NE collider at the INFN National Laboratories of Frascati. Before starting the first measurement of the kaonic deuterium 2p{\rightarrow}1s transition, accurate evaluation of the background rejection. mainly achieved with the Kaon Trigger system, was required. This run, performed in the period 04-26/05/2022 with a 4 He gaseous target, confirmed the 10^5 rejection factor obtained with a reduced version of the setup and different machine conditions in 2021. This important outcome motivated the filling of the target cell with deuterium and the starting of the measurement campaign of the kaonic deuterium 2p{\rightarrow}1s transition.

Published
2022
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16. A feasibility study of the measurement of kaonic lead X-rays at DA[formula omitted]NE for the precise determination of the charged kaon mass

Author

Bosnar, D., Abbene, L., Amsler, C., Artibani, F., Bazzi, M., Bragadireanu, M., Buttacavoli, A., Cargnelli, M., Carminati, M., Clozza, A., Clozza, F., Deda, G., De Paolis, L., Grande, R. Del, Dulski, K., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Makek, M., Manti, S., Marton, J., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Scordo, A., Sgaramella, F., Sirghi, D., Sirghi, F., Skurzok, M., Silarski, M., Spallone, A., Toho, K., Tüchler, M., Doce, O. Vasquez, Zmeskal, J., and Curceanu, C.

Published
2024
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17. The SIDDHARTA-2 calibration method for high precision kaonic atoms X-ray spectroscopy measurements

Author

Sgaramella, F, Miliucci, M, Bazzi, M, Bosnar, D, Bragadireanu, M, Carminati, M, Cargnelli, M, Clozza, A, Deda, G, De Paolis, L, Del Grande, R, Fiorini, C, Guaraldo, C, Iliescu, M, Iwasaki, M, King, P, Sandri, P Levi, Marton, J, Moskal, P, Napolitano, F, Niedźwiecki, S, Piscicchia, K, Scordo, A, Shi, H, Silarski, M, Sirghi, D, Sirghi, F, Skurzok, M, Spallone, A, Tüchler, M, Zmeskal, J, and Curceanu, C

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The SIDDHARTA-2 experiment at the DA$\Phi$NE collider aims to perform the first kaonic deuterium X-ray transitions to the fundamental level measurement, with a systematic error at the level of a few eV. To achieve this challenging goal the experimental apparatus is equipped with 384 Silicon Drift Detectors (SDDs) distributed around its cryogenic gaseous target. The SDDs developed by the SIDDHARTA-2 collaboration are suitable for high precision kaonic atoms spectroscopy, thanks to their high energy and time resolutions combined with their radiation hardness. The energy response of each detector must be calibrated and monitored to keep the systematic error, due to processes such as gain fluctuations, at the level of 2-3 eV. This paper presents the SIDDHARTA-2 calibration method which was optimized during the preliminary phase of the experiment in the real background conditions of the DA$\Phi$NE collider, which is a fundamental tool to guarantee the high precision spectroscopic performances of the system over long periods of data taking, as that required for the kaonic deuterium measurement.

Published
2022
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18. Kaonic Atoms at the DA$\Phi$NE Collider with the SIDDHARTA-2 Experiment

Author

Napolitano, F, Sgaramella, F, Bazzi, M, Bosnar, D, Bragadireanu, M, Carminati, M, Cargnelli, M, Clozza, A, Deda, G, De Paolis, L, Del Grande, R, Fabbietti, L, Fiorini, C, Guaraldo, C, Iliescu, M, Iwasaki, M, Sandri, P Levi, Marton, J, Miliucci, M, Moskal, P, Niedźwiecki, S, Piscicchia, K, Scordo, A, Shi, H, Sirghi, D, Sirghi, F, Silarski, M, Skurzok, M, Spallone, A, Tüchler, M, Zmeskal, J, and Curceanu, C

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

Kaonic atoms are a unique tool to explore quantum chromodynamics in the strangeness sector at low energy, with implications reaching neutron stars and dark matter. Precision X-ray spectroscopy can fully unlock the at-threshold isospin dependent antikaon-nucleon scattering lengths, via the atomic transitions to the fundamental level. While the SIDDHARTA experiment at the INFN-LNF DA$\Phi$NE collider successfully measured kaonic hydrogen, its successor SIDDHARTA-2 is starting now its data taking campaign aiming to finally fully disentangle the isoscalar and isovector scattering lengths via the measurement of kaonic deuterium. An overview of the first experimental results from a preparatory run for the SIDDAHARTA-2 experiment is presented., Comment: 13 pages, 7 figures, to be sumbitted to Phys. Scr. - Focus on New Frontiers in Physics - Selected Papers from ICNFP 2021

Published
2022
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19. A new kaonic helium measurement in gas by SIDDHARTINO at the DA{\Phi}NE collider

Author

Sirghi, D, Sirghi, F, Sgaramella, F, Bazzi, M, Bosnar, D, Bragadireanu, M, Carminati, M, Cargnelli, M, Clozza, A, Deda, G, De Paolis, L, Del Grande, R, Fabbietti, L, Fiorini, C, Guaraldo, C, Iliescu, M, Iwasaki, M, Sandri, P Levi, Marton, J, Miliucci, M, Moskal, P, Napolitano, F, Niedźwiecki, S, Piscicchia, K, Scordo, A, Shi, H, Skurzok, M, Silarski, M, Spallone, A, Tüchler, M, Doce, O Vazquez, Zmeskal, J, and Curceanu, C

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

The SIDDHARTINO experiment at the DA{\Phi}NE Collider of INFN-LNF, the pilot run for the SIDDHARTA-2 experiment which aims to perform the measurement of kaonic deuterium transitions to the fundamental level, has successfully been concluded. The paper reports the main results of this run, including the optimization of various components of the apparatus, among which the degrader needed to maximize the fraction of kaons stopped inside the target, through measurements of kaonic helium transitions to the 2p level. The obtained shift and width values are {\epsilon}_2p = E_exp-E_e.m = 0.2 {\pm} 2.5(stat) {\pm} 2(syst) eV and {\Gamma}_2p = 8 {\pm} 10 eV (stat), respectively. This new measurement of the shift, in particular, represents the most precise one for a gaseous target and is expected to contribute to a better understanding of the kaon-nuclei interaction at low energy.

Published
2022
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20. CdZnTe detectors tested at the [formula omitted] collider for future kaonic atoms measurements

Author

Scordo, A., Abbene, L., Artibani, F., Bazzi, M., Bettelli, M., Bosnar, D., Borghi, G., Bragadireanu, M., Buttacavoli, A., Cargnelli, M., Carminati, M., Clozza, A., Clozza, F., De Paolis, L., Deda, G., Del Grande, R., Fabbietti, L., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., Khreptak, A., Manti, S., Marton, J., Moskal, P., Napolitano, F., Niedźwiecki, S., Ohnishi, H., Piscicchia, K., Principato, F., Sada, Y., Sgaramella, F., Silarski, M., Sirghi, D.L., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Yoshida, C., Zappettini, A., Zmeskal, J., and Curceanu, C.

Published
2024
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21. Characterization of the SIDDHARTA-2 luminosity monitor

Author

Skurzok, M., Scordo, A., Niedzwiecki, S., Baniahmad, A., Bazzi, M., Bosnar, D., Bragadireanu, M., Carminati, M., Cargnelli, M., Clozza, A., Curceanu, C., De Paolis, L., Del Grande, R., Fabbietti, L., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., Sandri, P. Levi, Marton, J., Miliucci, M., Moskal, P., Piscicchia, K., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D. L., Sirghi, F., Spallone, A., Tüchler, M., Doce, O. Vazquez, and Zmeskal, J.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

A luminosity monitor, based on plastic scintillator detectors, has been developed for the SIDDHARTA-2 experiment aiming to perform high precision measurements of kaonic atoms and was installed in 2020 on the DAFNE $e^+e^-$ collider at LNF (Laboratori Nazionali di Frascati, INFN). The main goal of this system is to provide the~instantaneous and integrated luminosity of the DAFNE facility by measuring the rate of $K^+K^-$ correlated pairs emitted by the phi meson decay. This task requires an accurate timing of the DAQ signals, as well as timing resolution below 1ns, in order to disentangle the $K^\pm$ signals from the background minimum ionizing particles (MIPs) produced during the $e^+e^-$ collisions at DAFNE. In this paper the luminosity monitor concept as well as its laboratory characterization and the first results inside DAFNE are presented., Comment: Published in JINST

Published
2020
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22. Kaonic Atoms Measurements at DAΦNE: SIDDHARTA-2 and Future Perspectives

Author

Curceanu, C., Miliucci, M., Scordo, A., Bazzi, M., Bosnar, D., Bragadireanu, M., Cargnelli, M., Carminati, M., Clozza, A., Deda, G., De Paolis, L., Del Grande, R., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., King, P., Sandri, P. Levi, Marton, J., Moskal, P., Napolitano, F., Niedźwiecki, S., Piscicchia, K., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D., Sirghi, F., Skurzok, M., Spallone, A., Tüchler, M., Doce, O. Vazquez, and Zmeskal, J.

Published
2021
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23. The Odyssey of Kaonic Atoms Studies at the DA\(\Phi \)NE Collider: From DEAR to SIDDHARTA-2

Author

Artibani, F., primary, Clozza, F., additional, Bazzi, M., additional, Capoccia, C., additional, Clozza, A., additional, De Paolis, L., additional, Dulski, K., additional, Guaraldo, C., additional, Iliescu, M., additional, Khreptak, A., additional, Manti, S., additional, Napolitano, F., additional, Vazquez Doce, O., additional, Scordo, A., additional, Sgaramella, F., additional, Sirghi, F., additional, Spallone, A., additional, Cargnelli, M., additional, Marton, J., additional, Tüchler, M., additional, Zmeskal, J., additional, Abbene, L., additional, Buttacavoli, A., additional, Principato, F., additional, Bosnar, D., additional, Friščić, I., additional, Bragadireanu, M., additional, Borghi, G., additional, Carminati, M., additional, Deda, G., additional, Fiorini, C., additional, Del Grande, R., additional, Iwasaki, M., additional, Moskal, P., additional, Niedźwiecki, S., additional, Silarski, M., additional, Skurzok, M., additional, Ohnishi, H., additional, Toho, K., additional, Sirghi, D., additional, Piscicchia, K., additional, and Curceanu, C.O., additional

Published
2024
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24. CdZnTe detectors tested at the DAΦNE collider for future kaonic atoms measurements

Author

Scordo, A., primary, Abbene, L., additional, Artibani, F., additional, Bazzi, M., additional, Bettelli, M., additional, Bosnar, D., additional, Borghi, G., additional, Bragadireanu, M., additional, Buttacavoli, A., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Clozza, F., additional, De Paolis, L., additional, Deda, G., additional, Del Grande, R., additional, Fabbietti, L., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Principato, F., additional, Sada, Y., additional, Sgaramella, F., additional, Silarski, M., additional, Sirghi, D.L., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Yoshida, C., additional, Zappettini, A., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2023
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25. The SIDDHARTA-2 Veto-2 system for X-ray spectroscopy of kaonic atoms at DAΦNE

Author

Tüchler, M., primary, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, Del Grande, R., additional, De Paolis, L., additional, Dulski, K., additional, Fabbietti, L., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Scordo, A., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Vazquez Doce, O., additional, Widmann, E., additional, Yoshida, C., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2023
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26. Kaonic atoms at the DAΦNE collider: a strangeness adventure

Author

Curceanu, C., primary, Abbene, L., additional, Amsler, C., additional, Bazzi, M., additional, Bettelli, M., additional, Borghi, G., additional, Bosnar, D., additional, Bragadireanu, M., additional, Buttacavoli, A., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, Del Grande, R., additional, De Paolis, L., additional, Dulski, K., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Onishi, H., additional, Piscicchia, K., additional, Principato, F., additional, Sada, Y., additional, Scordo, A., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D. L., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Doce, O. Vazquez, additional, Yoshida, C., additional, Zappettini, A., additional, and Zmeskal, J., additional

Published
2023
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27. THE ODYSSEY OF KAONIC ATOMS STUDIES AT THE DAFNE COLLIDER: FROM DEAR TO SIDDHARTA-2.

Author

ARTIBANI, F., CLOZZA, F., BAZZI, M., CAPOCCIA, C., CLOZZA, A., DE PAOLIS, L., DULSKI, K., GUARALDO, C., ILIESCU, M., KHREPTAK, A., MANTI, S., NAPOLITANO, F., VAZQUEZ DOCE, O., SCORDO, A., SGARAMELLA, F., SIRGHI, F., SPALLONE, A., CARGNELLI, M., MARTON, J., and TÜCHLER, M.

Subjects
ATOMS, KAONS
Abstract

In this paper, an overview of kaonic atoms studies from the late 90s to nowadays at the DAΦNE collider at INFN-LNF is presented. Experiments on kaonic atoms are an important tool to test and optimize phenomenological models on the low-energy strong interaction. Since its construction, the DAΦNE collider has represented an ideal machine to perform kaonic atoms measurements, thanks to the unique beam of kaons coming from the øs produced in the collider decays. The DEAR and SIDDHARTA experiments achieved the precise evaluation of the shift and width of the 2p → 1s transition in kaonic hydrogen due to the strong interaction, and thus provided a measurement strictly linked to isospin-dependent antikaon--nucleon scattering lengths. To fully disentangle the iso-scalar and iso-vector scattering lengths, the measurement of kaonic deuterium is necessary as well. The SIDDHARTA-2 experiment is now taking data at the DAΦNE collider with the aim to fulfill the need of this measurement, and therefore provide important information to the various phenomenological models on low-energy strong interactions with strangeness. The SIDDHARTA-2 Collaboration is also exploring the possibility to perform future kaonic atoms experiments, developing X-ray detector systems beyond the current state-of-art. These measurements are crucial for a deeper understanding of the kaon interactions with nuclei and for solving the kaon mass "puzzle". [ABSTRACT FROM AUTHOR]

Published
2024
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28. New opportunities for kaonic atoms measurements from CdZnTe detectors

Author

Abbene, L., primary, Bettelli, M., additional, Buttacavoli, A., additional, Principato, F., additional, Zappettini, A., additional, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fabbietti, L., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D. L., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Doce, O. Vazquez, additional, Yoshida, C., additional, Zmeskal, J., additional, Scordo, A., additional, and Curceanu, C., additional

Published
2023
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29. New opportunities for kaonic atoms measurements from CdZnTe detectors

Author

Abbene L., Bettelli M., Buttacavoli A., Principato F., Zappettini A., Amsler C., Bazzi M., Bosnar D., Bragadireanu M., Cargnelli M., Carminati M., Clozza A., Deda G., De Paolis L., Del Grande R., Fabbietti L., Fiorini C., Friscic I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedzwiecki S., Ohnishi H., Piscicchia K., Sada Y., Sgaramella F., Shi H., Silarski M., Sirghi D. L., Sirghi F., Skurzok M., Spallone A., Toho K., Tuchler M., Doce O. V., Yoshida C., Zmeskal J., Scordo A., Curceanu C., Abbene L., Bettelli M., Buttacavoli A., Principato F., Zappettini A., Amsler C., Bazzi M., Bosnar D., Bragadireanu M., Cargnelli M., Carminati M., Clozza A., Deda G., De Paolis L., Del Grande R., Fabbietti L., Fiorini C., Friscic I., Guaraldo C., Iliescu M., Iwasaki M., Khreptak A., Manti S., Marton J., Miliucci M., Moskal P., Napolitano F., Niedzwiecki S., Ohnishi H., Piscicchia K., Sada Y., Sgaramella F., Shi H., Silarski M., Sirghi D.L., Sirghi F., Skurzok M., Spallone A., Toho K., Tuchler M., Doce O.V., Yoshida C., Zmeskal J., Scordo A., and Curceanu C.

Subjects
Physics - Instrumentation and Detectors, Settore FIS/01 - Fisica Sperimentale, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), CZT detector, kaonic atoms, Settore FIS/07 - Fisica Applicata(Beni Culturali, Ambientali, Biol.e Medicin)
Abstract

We present the tests performed by the SIDDHARTA-2 collaboration at the DA{\Phi}NE collider with a quasi-hemispherical CdZnTe detector. The very good room-temperature energy resolution and efficiency in a wide energy range show that this detector technology is ideal for studying radiative transitions in intermediate and heavy-mass kaonic atoms. The CdZnTe detector was installed for the first time in an accelerator environment to perform tests on the background rejection capabilities, which were achieved by exploiting the SIDDHARTA-2 Luminosity Monitor. A spectrum with an $^{241}Am$ source has been acquired, with beams circulating in the main rings, and peak resolutions of 6% at 60 keV and of 2.2% at 511 keV have been achieved. The background suppression factor, which turned out to be of the order of $\simeq10^{5-6}$, opens the possibility to plan for future kaonic atom measurements with CdZnTe detectors.

Published
2023
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30. Measurements of high-n transitions in intermediate mass kaonic atoms by SIDDHARTA-2 at DA$$\mathrm {\Phi }$$NE

Author

Sgaramella, F., primary, Tüchler, M., additional, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, Grande, R. Del, additional, Paolis, L. De, additional, Fabbietti, L., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Scordo, A., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Doce, O. Vazquez, additional, Widmann, E., additional, Yoshida, C., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2023
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31. New measurements of kaonic helium-4 L-series X-rays yields in gas with the SIDDHARTINO setup

Author

Sirghi, D.L., Shi, H., Guaraldo, C., Sgaramella, F., Amsler, C., Bazzi, M., Bosnar, D., Bragadireanu, A.M., Carminati, M., Cargnelli, M., Clozza, A., Deda, G., De Paolis, L., Del Grande, R., Fabbietti, L., Fiorini, C., Iliescu, M., Iwasaki, M., Marton, J., Miliucci, M., Moskal, Paweł, Napolitano, F., Niedźwiecki, Szymon, Ohnishi, H., Piscicchia, K., Sada, Y., Scordo, A., Silarski, Michał, Sirghi, F., Skurzok, Magdalena, Spallone, A., Toho, K., Tüchler, M., Vazquez Doce, O., Zmeskal, J., Yoshida, C., and Curceanu, C.

Subjects
Nuclear and High Energy Physics, kaonic atom, atomic cascade, X-ray spectroscopy, kaonic helium-4
Published
2023

32. Kaonic atoms measurements with SIDDHARTA-2

Author

Sgaramella, F., primary, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, Del Grande, R., additional, De Paolis, L., additional, Dulski, K., additional, Fabbietti, L., additional, Fiorini, C., additional, Friščić, I., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Scordo, A., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Yoshida, C., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2023
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33. Investigating the E2 nuclear resonance effect in kaonic atoms

Author

De Paolis, L, primary, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Cargnelli, M, additional, Carminati, M, additional, Clozza, A, additional, Deda, G, additional, Del Grande, R, additional, Dulski, K, additional, Fiorini, C, additional, Friščić, I, additional, Guaraldo, C, additional, Iliescu, M, additional, Iwasaki, M, additional, King, P, additional, Khreptak, A, additional, Levi Sandri, P, additional, Manti, S, additional, Marton, J, additional, Miliucci, M, additional, Moskal, P, additional, Napolitano, F, additional, Niedźwiecki, S, additional, Ohnishi, H, additional, Piscicchia, K, additional, Sada, Y, additional, Scordo, A, additional, Sgaramella, F, additional, Shi, H, additional, Silarski, M, additional, Sirghi, D L, additional, Sirghi, F, additional, Skurzok, M, additional, Wycech, S, additional, Spallone, A, additional, Toho, K, additional, Tüchler, M, additional, Vazquez Doce, O, additional, Yoshida, C, additional, Zmeskal, J, additional, and Curceanu, C, additional

Published
2023
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34. New measurements of kaonic helium-4 L-series X-rays yields in gas with the SIDDHARTINO setup

Author

Sirghi, D.L., primary, Shi, H., additional, Guaraldo, C., additional, Sgaramella, F., additional, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, A.M., additional, Carminati, M., additional, Cargnelli, M., additional, Clozza, A., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fabbietti, L., additional, Fiorini, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedzwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Scordo, A., additional, Silarski, M., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Vazquez Doce, O., additional, Zmeskal, J., additional, Yoshida, C., additional, and Curceanu, C., additional

Published
2023
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35. The SIDDHARTA-2 experiment: preparation for the first kaonic deuterium measurement

Author

De Paolis, L., Bazzi, M., Bosnar, D., Bragadireanu, M., Cargnelli, M., Carminati, M., Clozza, A., Deda, G., Del Grande, R., Dulski, K., Fiorini, C., Friščić, I., Guaraldo, C., Iliescu, M., Iwasaki, M., King, P., Khreptak, A., Levi Sandri, P., Manti, S., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedźwiecki, S., Onishi, H., Piscicchia, K., Sada, Y., Scordo, A., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D. L., Sirghi, F., Skurzok, M., Spallone, A., Toho, K., Tüchler, M., Yoshida, C., Zmeskal, J., and Curceanu, C.

Subjects
High energy physics, General
Abstract

The SIDDHARTA-2 experiment aims to perform the first measurement of the kaonic deuterium 2p → 1s x-ray transitions. The apparatus is presently installed at the interaction region of the DAΦNE electron-positron collider at the National Laboratories of Frascati (LNF-INFN), in Italy. Kaonic deuterium and kaonic hydrogen 2p → 1s x-ray transitions measurements, the latter one already performed by the SIDDHARTA collaboration, allow the determination of antikaon-nucleon scattering lengths. A description of the SIDDHARTA-2 apparatus in preparation for the kaonic deuterium measurement is provided in this paper.

Published
2022
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36. The SIDDHARTA-2 calibration method for high precision kaonic atoms x-ray spectroscopy measurements

Author

Sgaramella, F, primary, Miliucci, M, additional, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Carminati, M, additional, Cargnelli, M, additional, Clozza, A, additional, Deda, G, additional, De Paolis, L, additional, Del Grande, R, additional, Fiorini, C, additional, Guaraldo, C, additional, Iliescu, M, additional, Iwasaki, M, additional, King, P, additional, Levi Sandri, P, additional, Marton, J, additional, Moskal, P, additional, Napolitano, F, additional, Niedźwiecki, S, additional, Piscicchia, K, additional, Scordo, A, additional, Shi, H, additional, Silarski, M, additional, Sirghi, D, additional, Sirghi, F, additional, Skurzok, M, additional, Spallone, A, additional, Tüchler, M, additional, Zmeskal, J, additional, and Curceanu, C, additional

Published
2022
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37. High Sensitivity Pauli Exclusion Principle Tests by the VIP Experiment: Status and Perspectives

Author

Piscicchia, K., primary, Bartalucci, S., additional, Bertolucci, S., additional, Bazzi, M., additional, Borghi, G., additional, Bragadireanu, M., additional, Capoccia, C., additional, Cargnelli, M., additional, Clozza, A., additional, Del Grande, R., additional, De Paolis, L., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Laubenstein, M., additional, Marton, J., additional, Miliucci, M., additional, Milotti, E., additional, Napolitano, F., additional, Porcelli, A., additional, Scordo, A., additional, Shi, H., additional, Sirghi, D.L., additional, Sirghi, F., additional, Sgaramella, F., additional, Zorzi, N., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2022
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38. First Tests of the Full SIDDHARTA-2 Experimental Apparatus with a 4He Gaseous Target

Author

Scordo, A., primary, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fabbietti, L., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Khreptak, A., additional, King, P., additional, Levi Sandri, P., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D.L., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Vazquez Doce, O., additional, Yoshida, C., additional, Zmeskal, J., additional, and Curceanu, C., additional

Published
2022
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39. Kaonic atoms at the DAΦNE collider with the SIDDHARTA-2 experiment

Author

Napolitano, F, primary, Sgaramella, F, additional, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Carminati, M, additional, Cargnelli, M, additional, Clozza, A, additional, Deda, G, additional, De Paolis, L, additional, Del Grande, R, additional, Fabbietti, L, additional, Fiorini, C, additional, Guaraldo, C, additional, Iliescu, M, additional, Iwasaki, M, additional, Levi Sandri, P, additional, Marton, J, additional, Miliucci, M, additional, Moskal, P, additional, Niedz`wiecki, S, additional, Piscicchia, K, additional, Scordo, A, additional, Shi, H, additional, Sirghi, D, additional, Sirghi, F, additional, Silarski, M, additional, Skurzok, M, additional, Spallone, A, additional, Tüchler, M, additional, Zmeskal, J, additional, and Curceanu, C, additional

Published
2022
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40. Search for a signature of Pauli exclusion principle violation by VIP-2

Author

De Paolis, L, primary, Napolitano, F, additional, Bartalucci, S, additional, Bazzi, M, additional, Bertolucci, S, additional, Bragadireanu, M, additional, Capoccia, C, additional, Cargnelli, M, additional, Clozza, A, additional, Del Grande, R, additional, Fiorini, C, additional, Guaraldo, C, additional, Iliescu, M, additional, Laubenstein, M, additional, Marton, J, additional, Miliucci, M, additional, Milotti, E, additional, Piscicchia, K, additional, Porcelli, A, additional, Scordo, A, additional, Shi, H, additional, Sirghi, D L, additional, Sirghi, F, additional, Sgaramella, F, additional, Zmeskal, J, additional, and Curceanu, C, additional

Published
2022
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41. Large area silicon drift detectors system for high precision timed x-ray spectroscopy

Author

Miliucci, M, primary, Iliescu, M, additional, Sgaramella, F, additional, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Carminati, M, additional, Cargnelli, M, additional, Clozza, A, additional, Curceanu, C, additional, Deda, G, additional, De Paolis, L, additional, Del Grande, R, additional, Fiorini, C, additional, Guaraldo, C, additional, Iwasaki, M, additional, King, P, additional, Levi Sandri, P, additional, Marton, J, additional, Moskal, P, additional, Napolitano, F, additional, Niedźwiecki, S, additional, Piscicchia, K, additional, Scordo, A, additional, Shi, H, additional, Silarski, M, additional, Sirghi, D, additional, Sirghi, F, additional, Skurzok, M, additional, Spallone, A, additional, Tüchler, M, additional, Vazquez Doce, O, additional, and Zmeskal, J, additional

Published
2022
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42. Status and perspectives for low energy kaon-nucleon interaction studies at DAFNE: from SIDDHARTA to SIDDHARTA-2

Author

Sirghi, F., Bazzi, M., Damir Bosnar, Bragadireanu, M., Carminati, M., Cargnelli, M., Clozza, A., Curceanu, C., Deda, G., Paolis, L., Del Grande, R., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., King, P., Levi Sandri, P., Marton, J., Miliucci, M., Moskal, P., Napolitano, F., Niedzwiecki, S., Piscicchia, K., Scordo, A., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D., Skurzok, M., Spallone, A., Tüchler, M., Vazquez Doce, O., and Zmeskal, J.

Abstract

The study of the antikaon nucleon system at very low energies plays a key role for the understanding of the strong interaction between hadrons in the strangeness sector. The information provided by the low energy kaon- nucleon interaction is accessible through the study of kaonic atoms. The lightest atomic systems, namely the kaonic hydrogen and the kaonic deuterium, provide the isospin dependent kaon-nucleon scattering lengths by measuring the X-rays emitted during their de-excitation to the 1s level. Until now, the most precise kaonic hydrogen measurement and an exploratory measurement of kaonic deuterium were carried out at the DAΦNE collider by the SIDDHARTA collaboration, combining the excellent quality kaon beam delivered by the collider with new experimental techniques, as fast and very precise X-ray detectors, like the Silicon Drift Detectors. Today, the most important experimental information missing in the field of the low-energy antikaon-nucleon interactions is the experimental determination of the hadronic energy shift and width of kaonic deuterium, and will be measured by the new SIDDHARTA-2 experiment, which is installed in DAΦNE and is ready to start the data taking campaign.

Published
2022
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43. A new kaonic helium measurement in gas by SIDDHARTINO at the DAΦNE collider*

Author

Sirghi, D, primary, Sirghi, F, additional, Sgaramella, F, additional, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Carminati, M, additional, Cargnelli, M, additional, Clozza, A, additional, Deda, G, additional, De Paolis, L, additional, Del Grande, R, additional, Fabbietti, L, additional, Fiorini, C, additional, Guaraldo, C, additional, Iliescu, M, additional, Iwasaki, M, additional, Levi Sandri, P, additional, Marton, J, additional, Miliucci, M, additional, Moskal, P, additional, Napolitano, F, additional, Niedźwiecki, S, additional, Piscicchia, K, additional, Scordo, A, additional, Shi, H, additional, Skurzok, M, additional, Silarski, M, additional, Spallone, A, additional, Tüchler, M, additional, Vazquez Doce, O, additional, Zmeskal, J, additional, and Curceanu, C, additional

Published
2022
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44. Towards the first kaonic deuterium measurement with the SIDDHARTA-2 experiment at DAΦNE

Author

Miliucci, M., Bazzi, M., Bosnar, D., Bragadireanu, M., Carminati, M., Cargnelli, M., Clozza, A., Curceanu, C., Deda, D., De Paolis, L., Del Grande, R., Fiorin, C., Guaraldo, C., Iliescu, M., Iwasaki, M., King, P., Levi Sandri, P., Marton, J., Moskal, Paweł, Napolitano, F., Niedźwiecki, Szymon, Piscicchia, K., Scordo, A., Sgaramella, F., Shi, H., Silarski, Michał, Sirghi, D., Sirghi, F., Skurzok, Magdalena, Spallone, A., Tüchler, M., and Zmeskal, J.

Abstract

The SIDDHARTA-2 experiment is going to perform the longawaited high precision X-ray measurement of kaonic deuterium, obtaining for the first time the values of the shift and the width induced by the strong interaction on the fundamental level. By combining this unprecedented result with the analogous kaonic hydrogen measurement performed by the SIDDHARTA experiment, it will be possible to extract the isospin-dependent antikaon-nucleon scattering lengths, providing direct information on the Quantum Chromodynamics (QCD) in the non-perturbative Chromodynamics (QCD) in the non-perturbative regime in the strangeness sector. This paper describes the SIDDHARTA-2 experiment, presently installed at the DAΦNE collider of Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali di Frascati, and the results obtained during the kaonic helium run, preparatory for the kaonic deuterium data taking campaign planned for 2022.

Published
2022

45. Studies of the Linearity and Stability of Silicon Drift Detectors for Kaonic Atoms X-ray Spectroscopy

Author

Khreptak, A., primary, Amsler, C., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Carminati, M., additional, Cargnelli, M., additional, Clozza, A., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fabbietti, L., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, Manti, S., additional, Marton, J., additional, Miliucci, M., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Ohnishi, H., additional, Piscicchia, K., additional, Sada, Y., additional, Scordo, A., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Toho, K., additional, Tüchler, M., additional, Vazquez Doce, O., additional, Zmeskal, J., additional, Yoshida, C., additional, and Curceanu, C., additional

Published
2022
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46. Kaonic Atoms Measurements at DA$$\Phi $$NE: SIDDHARTA-2 and Future Perspectives

Author

Curceanu, C., primary, Miliucci, M., additional, Scordo, A., additional, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Cargnelli, M., additional, Carminati, M., additional, Clozza, A., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, King, P., additional, Sandri, P. Levi, additional, Marton, J., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Piscicchia, K., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Tüchler, M., additional, Doce, O. Vazquez, additional, and Zmeskal, J., additional

Published
2021
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47. Low energy kaon-nuclei interaction at DAΦNE: The SIDDHARTA-2 experiment

Author

Miliucci, M., Bazzi, M., Bosnar, D., Bragadireanu, M., Carminati, M., Cargnelli, M., Clozza, A., Curceanu, C., Deda, G., de Paolis, L., Del Grande, R., Fiorini, C., Guaraldo, C., Iliescu, M., Iwasaki, M., King, P., Sandri, P. L., Marton, J., Moskal, P., Napolitano, F., Niedzwiecki, S., Piscicchia, K., Scordo, A., Sgaramella, F., Shi, H., Silarski, M., Sirghi, D., Sirghi, F., Skurzok, M., Spallone, A., Tuchler, M., Doce, O. V., and Zmeskal, J.

Published
2021

48. Silicon drift detectors system for high-precision light kaonic atoms spectroscopy

Author

Miliucci, M, primary, Scordo, A, additional, Sirghi, D, additional, Amirkhani, A, additional, Baniahmad, A, additional, Bazzi, M, additional, Bosnar, D, additional, Bragadireanu, M, additional, Carminati, M, additional, Cargnelli, M, additional, Clozza, A, additional, Curceanu, C, additional, De Paolis, L, additional, Del Grande, R, additional, Fiorini, C, additional, Guaraldo, C, additional, Iliescu, M, additional, Iwasaki, M, additional, Levi Sandri, P, additional, Marton, J, additional, Moskal, P, additional, Napolitano, F, additional, Niedźwiecki, S, additional, Piscicchia, K, additional, Sgaramella, F, additional, Shi, H, additional, Silarski, M, additional, Sirghi, F, additional, Skurzok, M, additional, Spallone, A, additional, Tüchler, M, additional, Vazquez Doce, O, additional, and Zmeskal, J, additional

Published
2021
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49. Silicon drift detectors technology for high precision light Kaonic atoms spectroscopic measurements at the DA Φ NE collider

Author

Miliucci, M., primary, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Carminati, M., additional, Cargnelli, M., additional, Clozza, A., additional, Curceanu, C., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, King, P., additional, Levi Sandri, P., additional, Marton, J., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Piscicchia, K., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Scordo, A., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Tüchler, M., additional, Vazquez Doce, O., additional, and Zmeskal, J., additional

Published
2021
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50. High precision kaonic atoms X-ray spectroscopy at the DAФNE collider: The SIDDHARTA-2 experiment

Author

Miliucci, M., primary, Bazzi, M., additional, Bosnar, D., additional, Bragadireanu, M., additional, Carminati, M., additional, Cargnelli, M., additional, Clozza, A., additional, Curceanu, C., additional, Deda, G., additional, De Paolis, L., additional, Del Grande, R., additional, Fiorini, C., additional, Guaraldo, C., additional, Iliescu, M., additional, Iwasaki, M., additional, King, P., additional, Levi Sandri, P., additional, Marton, J., additional, Moskal, P., additional, Napolitano, F., additional, Niedźwiecki, S., additional, Piscicchia, K., additional, Scordo, A., additional, Sgaramella, F., additional, Shi, H., additional, Silarski, M., additional, Sirghi, D., additional, Sirghi, F., additional, Skurzok, M., additional, Spallone, A., additional, Tüchler, M., additional, Vazquez Doce, O., additional, and Zmeskal, J., additional

Published
2021
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