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mathjax"> First Linearity and Stability Characterization for CZT Detection System in a e$^+$e$^-$ Collider Environment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbene%2C+L">Leonardo Abbene</a>, <a href="/search/physics?searchtype=author&query=Artibani%2C+F">Francesco Artibani</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">Manuele Bettelli</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">Antonino Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Principato%2C+F">Fabio Principato</a>, <a href="/search/physics?searchtype=author&query=Zappettini%2C+A">Andrea Zappettini</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">Massimiliano Bazzi</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+G">Giacomo Borghi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">Mario Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">Michael Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">Marco Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">Alberto Clozza</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+F">Francesco Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">Luca De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">Raffaele Del Grande</a>, <a href="/search/physics?searchtype=author&query=Dulski%2C+K">Kamil Dulski</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">Laura Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">Carlo Fiorini</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">Carlo Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">Mihail Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">Masahiko Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">Aleksander Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">Simone Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">Johann Marton</a>, <a href="/search/physics?searchtype=author&query=Moskal%2C+P">Pawel Moskal</a> , et al. (18 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2410.11294v2-abstract-short" style="display: inline;"> The SIDDHARTA-2 collaboration built a new cadmium-zinc-telluride (CZT, CdZnTe)-based X-ray detection system, used for the first time in the DA$桅$NE electron-positron collider at INFN-LNF. The aim of this work is to show that these detectors present optimal long- and short-term linearity and stability to perform precise spectroscopic measurements in a collider environment. The spectra used as refer… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.11294v2-abstract-full').style.display = 'inline'; document.getElementById('2410.11294v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.11294v2-abstract-full" style="display: none;"> The SIDDHARTA-2 collaboration built a new cadmium-zinc-telluride (CZT, CdZnTe)-based X-ray detection system, used for the first time in the DA$桅$NE electron-positron collider at INFN-LNF. The aim of this work is to show that these detectors present optimal long- and short-term linearity and stability to perform precise spectroscopic measurements in a collider environment. The spectra used as references for calibration are reported, and the results about the linearity and stability studies are presented. It is also discussed and showed what is the proper function to describe all the effects that alter the Gaussian shape in semiconductors, particularly evident in the CZT case. Good residuals and resolutions were obtained for all the calibrations. In a test run with the source and the collider beam on, it was demonstrated that the calibrations made with beam off are optimal also when the beam is on, and the actual systematics in a physics run were estimated. These promising results show the potentialities of this detector in the high rate environment of a particle collider, and pave the way for the use of CZT detectors in kaonic atoms researches and in accelerators, with applications for particle and nuclear physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.11294v2-abstract-full').style.display = 'none'; document.getElementById('2410.11294v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 9 figures, 3 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.15062">arXiv:2310.15062</a> <span> [<a href="https://arxiv.org/pdf/2310.15062">pdf</a>, <a href="https://arxiv.org/format/2310.15062">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> CdZnTe detectors tested at the DA桅NE collider for future kaonic atoms measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Scordo%2C+A">A. Scordo</a>, <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Artibani%2C+F">F. Artibani</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+G">G. Borghi</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+F">F. Clozza</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a> , et al. (20 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.15062v1-abstract-short" style="display: inline;"> 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$桅$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 deli… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.15062v1-abstract-full').style.display = 'inline'; document.getElementById('2310.15062v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.15062v1-abstract-full" style="display: none;"> 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$桅$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 $蠁$ 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$桅$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. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.15062v1-abstract-full').style.display = 'none'; document.getElementById('2310.15062v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.04674">arXiv:2304.04674</a> <span> [<a href="https://arxiv.org/pdf/2304.04674">pdf</a>, <a href="https://arxiv.org/format/2304.04674">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/18/06/P06033">10.1088/1748-0221/18/06/P06033 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A first test of CUPID prototypal light detectors with NTD-Ge sensors in a pulse-tube cryostat </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=CUPID+collaboration"> CUPID collaboration</a>, <a href="/search/physics?searchtype=author&query=Alfonso%2C+K">K. Alfonso</a>, <a href="/search/physics?searchtype=author&query=Armatol%2C+A">A. Armatol</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/physics?searchtype=author&query=Azzolini%2C+O">O. Azzolini</a>, <a href="/search/physics?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Barresi%2C+A">A. Barresi</a>, <a href="/search/physics?searchtype=author&query=Baudin%2C+D">D. Baudin</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Benato%2C+G">G. Benato</a>, <a href="/search/physics?searchtype=author&query=Berest%2C+V">V. Berest</a>, <a href="/search/physics?searchtype=author&query=Beretta%2C+M">M. Beretta</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Biassoni%2C+M">M. Biassoni</a>, <a href="/search/physics?searchtype=author&query=Billard%2C+J">J. Billard</a>, <a href="/search/physics?searchtype=author&query=Boldrini%2C+V">V. Boldrini</a>, <a href="/search/physics?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/physics?searchtype=author&query=Brofferio%2C+C">C. Brofferio</a>, <a href="/search/physics?searchtype=author&query=Bucci%2C+C">C. Bucci</a>, <a href="/search/physics?searchtype=author&query=Camilleri%2C+J">J. Camilleri</a>, <a href="/search/physics?searchtype=author&query=Campani%2C+A">A. Campani</a>, <a href="/search/physics?searchtype=author&query=Capelli%2C+C">C. Capelli</a> , et al. (154 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2304.04674v1-abstract-short" style="display: inline;"> CUPID is a next-generation bolometric experiment aiming at searching for neutrinoless double-beta decay with ~250 kg of isotopic mass of $^{100}$Mo. It will operate at $\sim$10 mK in a cryostat currently hosting a similar-scale bolometric array for the CUORE experiment at the Gran Sasso National Laboratory (Italy). CUPID will be based on large-volume scintillating bolometers consisting of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.04674v1-abstract-full').style.display = 'inline'; document.getElementById('2304.04674v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.04674v1-abstract-full" style="display: none;"> CUPID is a next-generation bolometric experiment aiming at searching for neutrinoless double-beta decay with ~250 kg of isotopic mass of $^{100}$Mo. It will operate at $\sim$10 mK in a cryostat currently hosting a similar-scale bolometric array for the CUORE experiment at the Gran Sasso National Laboratory (Italy). CUPID will be based on large-volume scintillating bolometers consisting of $^{100}$Mo-enriched Li$_2$MoO$_4$ crystals, facing thin Ge-wafer-based bolometric light detectors. In the CUPID design, the detector structure is novel and needs to be validated. In particular, the CUORE cryostat presents a high level of mechanical vibrations due to the use of pulse tubes and the effect of vibrations on the detector performance must be investigated. In this paper we report the first test of the CUPID-design bolometric light detectors with NTD-Ge sensors in a dilution refrigerator equipped with a pulse tube in an above-ground lab. Light detectors are characterized in terms of sensitivity, energy resolution, pulse time constants, and noise power spectrum. Despite the challenging noisy environment due to pulse-tube-induced vibrations, we demonstrate that all the four tested light detectors comply with the CUPID goal in terms of intrinsic energy resolution of 100 eV RMS baseline noise. Indeed, we have measured 70--90 eV RMS for the four devices, which show an excellent reproducibility. We have also obtained outstanding energy resolutions at the 356 keV line from a $^{133}$Ba source with one light detector achieving 0.71(5) keV FWHM, which is -- to our knowledge -- the best ever obtained when compared to $纬$ detectors of any technology in this energy range. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.04674v1-abstract-full').style.display = 'none'; document.getElementById('2304.04674v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Prepared for submission to JINST; 16 pages, 7 figures, and 1 table</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2304.04611">arXiv:2304.04611</a> <span> [<a href="https://arxiv.org/pdf/2304.04611">pdf</a>, <a href="https://arxiv.org/format/2304.04611">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/18/06/P06018">10.1088/1748-0221/18/06/P06018 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Twelve-crystal prototype of Li$_2$MoO$_4$ scintillating bolometers for CUPID and CROSS experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=CUPID"> CUPID</a>, <a href="/search/physics?searchtype=author&query=collaborations%2C+C">CROSS collaborations</a>, <a href="/search/physics?searchtype=author&query=%3A"> :</a>, <a href="/search/physics?searchtype=author&query=Alfonso%2C+K">K. Alfonso</a>, <a href="/search/physics?searchtype=author&query=Armatol%2C+A">A. Armatol</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/physics?searchtype=author&query=Azzolini%2C+O">O. Azzolini</a>, <a href="/search/physics?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/physics?searchtype=author&query=Bandac%2C+I+C">I. C. Bandac</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Barresi%2C+A">A. Barresi</a>, <a href="/search/physics?searchtype=author&query=Baudin%2C+D">D. Baudin</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Benato%2C+G">G. Benato</a>, <a href="/search/physics?searchtype=author&query=Berest%2C+V">V. Berest</a>, <a href="/search/physics?searchtype=author&query=Beretta%2C+M">M. Beretta</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Biassoni%2C+M">M. Biassoni</a>, <a href="/search/physics?searchtype=author&query=Billard%2C+J">J. Billard</a>, <a href="/search/physics?searchtype=author&query=Boldrini%2C+V">V. Boldrini</a>, <a href="/search/physics?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/physics?searchtype=author&query=Brofferio%2C+C">C. Brofferio</a>, <a href="/search/physics?searchtype=author&query=Bucci%2C+C">C. Bucci</a> , et al. (160 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2304.04611v1-abstract-short" style="display: inline;"> An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization of detector structure for CROSS and CUPID double-beta decay experiments, was constructed and tested in a low-background pulse-tube-based cryostat at the Canfranc underground laboratory in Spain. Performance of the scintillating bolometers was studied… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.04611v1-abstract-full').style.display = 'inline'; document.getElementById('2304.04611v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2304.04611v1-abstract-full" style="display: none;"> An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization of detector structure for CROSS and CUPID double-beta decay experiments, was constructed and tested in a low-background pulse-tube-based cryostat at the Canfranc underground laboratory in Spain. Performance of the scintillating bolometers was studied depending on the size of phonon NTD-Ge sensors glued to both LMO and Ge absorbers, shape of the Ge light detectors (circular vs. square, from two suppliers), in different light collection conditions (with and without reflector, with aluminum coated LMO crystal surface). The scintillating bolometer array was operated over 8 months in the low-background conditions that allowed to probe a very low, $渭$Bq/kg, level of the LMO crystals radioactive contamination by $^{228}$Th and $^{226}$Ra. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2304.04611v1-abstract-full').style.display = 'none'; document.getElementById('2304.04611v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 April, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Prepared for submission to JINST; 23 pages, 9 figures, and 4 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2301.12253">arXiv:2301.12253</a> <span> [<a href="https://arxiv.org/pdf/2301.12253">pdf</a>, <a href="https://arxiv.org/format/2301.12253">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1140/epjs/s11734-023-00881-x">10.1140/epjs/s11734-023-00881-x <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New opportunities for kaonic atoms measurements from CdZnTe detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbene%2C+L">L. Abbene</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Buttacavoli%2C+A">A. Buttacavoli</a>, <a href="/search/physics?searchtype=author&query=Principato%2C+F">F. Principato</a>, <a href="/search/physics?searchtype=author&query=Zappettini%2C+A">A. Zappettini</a>, <a href="/search/physics?searchtype=author&query=Amsler%2C+C">C. Amsler</a>, <a href="/search/physics?searchtype=author&query=Bazzi%2C+M">M. Bazzi</a>, <a href="/search/physics?searchtype=author&query=Bosnar%2C+D">D. Bosnar</a>, <a href="/search/physics?searchtype=author&query=Bragadireanu%2C+M">M. Bragadireanu</a>, <a href="/search/physics?searchtype=author&query=Cargnelli%2C+M">M. Cargnelli</a>, <a href="/search/physics?searchtype=author&query=Carminati%2C+M">M. Carminati</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">A. Clozza</a>, <a href="/search/physics?searchtype=author&query=Deda%2C+G">G. Deda</a>, <a href="/search/physics?searchtype=author&query=De+Paolis%2C+L">L. De Paolis</a>, <a href="/search/physics?searchtype=author&query=Del+Grande%2C+R">R. Del Grande</a>, <a href="/search/physics?searchtype=author&query=Fabbietti%2C+L">L. Fabbietti</a>, <a href="/search/physics?searchtype=author&query=Fiorini%2C+C">C. Fiorini</a>, <a href="/search/physics?searchtype=author&query=Fri%C5%A1%C4%8Di%C4%87%2C+I">I. Fri拧膷i膰</a>, <a href="/search/physics?searchtype=author&query=Guaraldo%2C+C">C. Guaraldo</a>, <a href="/search/physics?searchtype=author&query=Iliescu%2C+M">M. Iliescu</a>, <a href="/search/physics?searchtype=author&query=Iwasaki%2C+M">M. Iwasaki</a>, <a href="/search/physics?searchtype=author&query=Khreptak%2C+A">A. Khreptak</a>, <a href="/search/physics?searchtype=author&query=Manti%2C+S">S. Manti</a>, <a href="/search/physics?searchtype=author&query=Marton%2C+J">J. Marton</a>, <a href="/search/physics?searchtype=author&query=Miliucci%2C+M">M. Miliucci</a> , et al. (20 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2301.12253v1-abstract-short" style="display: inline;"> We present the tests performed by the SIDDHARTA-2 collaboration at the DA桅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… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.12253v1-abstract-full').style.display = 'inline'; document.getElementById('2301.12253v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2301.12253v1-abstract-full" style="display: none;"> We present the tests performed by the SIDDHARTA-2 collaboration at the DA桅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. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.12253v1-abstract-full').style.display = 'none'; document.getElementById('2301.12253v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.06279">arXiv:2202.06279</a> <span> [<a href="https://arxiv.org/pdf/2202.06279">pdf</a>, <a href="https://arxiv.org/format/2202.06279">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Optimization of the first CUPID detector module </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=CUPID+collaboration"> CUPID collaboration</a>, <a href="/search/physics?searchtype=author&query=Armatol%2C+A">A. Armatol</a>, <a href="/search/physics?searchtype=author&query=Augier%2C+C">C. Augier</a>, <a href="/search/physics?searchtype=author&query=Avignone%2C+F+T">F. T. Avignone III</a>, <a href="/search/physics?searchtype=author&query=Azzolini%2C+O">O. Azzolini</a>, <a href="/search/physics?searchtype=author&query=Balata%2C+M">M. Balata</a>, <a href="/search/physics?searchtype=author&query=Ballen%2C+K">K. Ballen</a>, <a href="/search/physics?searchtype=author&query=Barabash%2C+A+S">A. S. Barabash</a>, <a href="/search/physics?searchtype=author&query=Bari%2C+G">G. Bari</a>, <a href="/search/physics?searchtype=author&query=Barresi%2C+A">A. Barresi</a>, <a href="/search/physics?searchtype=author&query=Baudin%2C+D">D. Baudin</a>, <a href="/search/physics?searchtype=author&query=Bellini%2C+F">F. Bellini</a>, <a href="/search/physics?searchtype=author&query=Benato%2C+G">G. Benato</a>, <a href="/search/physics?searchtype=author&query=Beretta%2C+M">M. Beretta</a>, <a href="/search/physics?searchtype=author&query=Bettelli%2C+M">M. Bettelli</a>, <a href="/search/physics?searchtype=author&query=Biassoni%2C+M">M. Biassoni</a>, <a href="/search/physics?searchtype=author&query=Billard%2C+J">J. Billard</a>, <a href="/search/physics?searchtype=author&query=Boldrini%2C+V">V. Boldrini</a>, <a href="/search/physics?searchtype=author&query=Branca%2C+A">A. Branca</a>, <a href="/search/physics?searchtype=author&query=Brofferio%2C+C">C. Brofferio</a>, <a href="/search/physics?searchtype=author&query=Bucci%2C+C">C. Bucci</a>, <a href="/search/physics?searchtype=author&query=Camilleri%2C+J">J. Camilleri</a>, <a href="/search/physics?searchtype=author&query=Capelli%2C+C">C. Capelli</a>, <a href="/search/physics?searchtype=author&query=Capelli%2C+S">S. Capelli</a>, <a href="/search/physics?searchtype=author&query=Cappelli%2C+L">L. Cappelli</a> , et al. (153 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2202.06279v1-abstract-short" style="display: inline;"> CUPID will be a next generation experiment searching for the neutrinoless double $尾$ decay, whose discovery would establish the Majorana nature of the neutrino. Based on the experience achieved with the CUORE experiment, presently taking data at LNGS, CUPID aims to reach a background free environment by means of scintillating Li$_{2}$$^{100}$MoO$_4$ crystals coupled to light detectors. Indeed, the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.06279v1-abstract-full').style.display = 'inline'; document.getElementById('2202.06279v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.06279v1-abstract-full" style="display: none;"> CUPID will be a next generation experiment searching for the neutrinoless double $尾$ decay, whose discovery would establish the Majorana nature of the neutrino. Based on the experience achieved with the CUORE experiment, presently taking data at LNGS, CUPID aims to reach a background free environment by means of scintillating Li$_{2}$$^{100}$MoO$_4$ crystals coupled to light detectors. Indeed, the simultaneous heat and light detection allows us to reject the dominant background of $伪$ particles, as proven by the CUPID-0 and CUPID-Mo demonstrators. In this work we present the results of the first test of the CUPID baseline module. In particular, we propose a new optimized detector structure and light sensors design to enhance the engineering and the light collection, respectively. We characterized the heat detectors, achieving an energy resolution of (5.9 $\pm$ 0.2) keV FWHM at the $Q$-value of $^{100}$Mo (about 3034 keV). We studied the light collection of the baseline CUPID design with respect to an alternative configuration which features gravity-assisted light detectors' mounting. In both cases we obtained an improvement in the light collection with respect to past measures and we validated the particle identification capability of the detector, which ensures an $伪$ particle rejection higher than 99.9%, fully satisfying the requirements for CUPID. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.06279v1-abstract-full').style.display = 'none'; document.getElementById('2202.06279v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 5 figures</span> </p> </li> </ol> <div class="is-hidden-tablet"> <!-- feedback for mobile only --> <span 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