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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.21611">arXiv:2410.21611</a> <span> [<a href="https://arxiv.org/pdf/2410.21611">pdf</a>, <a href="https://arxiv.org/format/2410.21611">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="Machine Learning">cs.LG</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> CaloChallenge 2022: A Community Challenge for Fast Calorimeter Simulation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Krause%2C+C">Claudius Krause</a>, <a href="/search/physics?searchtype=author&query=Giannelli%2C+M+F">Michele Faucci Giannelli</a>, <a href="/search/physics?searchtype=author&query=Kasieczka%2C+G">Gregor Kasieczka</a>, <a href="/search/physics?searchtype=author&query=Nachman%2C+B">Benjamin Nachman</a>, <a href="/search/physics?searchtype=author&query=Salamani%2C+D">Dalila Salamani</a>, <a href="/search/physics?searchtype=author&query=Shih%2C+D">David Shih</a>, <a href="/search/physics?searchtype=author&query=Zaborowska%2C+A">Anna Zaborowska</a>, <a href="/search/physics?searchtype=author&query=Amram%2C+O">Oz Amram</a>, <a href="/search/physics?searchtype=author&query=Borras%2C+K">Kerstin Borras</a>, <a href="/search/physics?searchtype=author&query=Buckley%2C+M+R">Matthew R. Buckley</a>, <a href="/search/physics?searchtype=author&query=Buhmann%2C+E">Erik Buhmann</a>, <a href="/search/physics?searchtype=author&query=Buss%2C+T">Thorsten Buss</a>, <a href="/search/physics?searchtype=author&query=Cardoso%2C+R+P+D+C">Renato Paulo Da Costa Cardoso</a>, <a href="/search/physics?searchtype=author&query=Caterini%2C+A+L">Anthony L. Caterini</a>, <a href="/search/physics?searchtype=author&query=Chernyavskaya%2C+N">Nadezda Chernyavskaya</a>, <a href="/search/physics?searchtype=author&query=Corchia%2C+F+A+G">Federico A. G. Corchia</a>, <a href="/search/physics?searchtype=author&query=Cresswell%2C+J+C">Jesse C. Cresswell</a>, <a href="/search/physics?searchtype=author&query=Diefenbacher%2C+S">Sascha Diefenbacher</a>, <a href="/search/physics?searchtype=author&query=Dreyer%2C+E">Etienne Dreyer</a>, <a href="/search/physics?searchtype=author&query=Ekambaram%2C+V">Vijay Ekambaram</a>, <a href="/search/physics?searchtype=author&query=Eren%2C+E">Engin Eren</a>, <a href="/search/physics?searchtype=author&query=Ernst%2C+F">Florian Ernst</a>, <a href="/search/physics?searchtype=author&query=Favaro%2C+L">Luigi Favaro</a>, <a href="/search/physics?searchtype=author&query=Franchini%2C+M">Matteo Franchini</a>, <a href="/search/physics?searchtype=author&query=Gaede%2C+F">Frank Gaede</a> , et al. (44 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="2410.21611v1-abstract-short" style="display: inline;"> We present the results of the "Fast Calorimeter Simulation Challenge 2022" - the CaloChallenge. We study state-of-the-art generative models on four calorimeter shower datasets of increasing dimensionality, ranging from a few hundred voxels to a few tens of thousand voxels. The 31 individual submissions span a wide range of current popular generative architectures, including Variational AutoEncoder… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.21611v1-abstract-full').style.display = 'inline'; document.getElementById('2410.21611v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.21611v1-abstract-full" style="display: none;"> We present the results of the "Fast Calorimeter Simulation Challenge 2022" - the CaloChallenge. We study state-of-the-art generative models on four calorimeter shower datasets of increasing dimensionality, ranging from a few hundred voxels to a few tens of thousand voxels. The 31 individual submissions span a wide range of current popular generative architectures, including Variational AutoEncoders (VAEs), Generative Adversarial Networks (GANs), Normalizing Flows, Diffusion models, and models based on Conditional Flow Matching. We compare all submissions in terms of quality of generated calorimeter showers, as well as shower generation time and model size. To assess the quality we use a broad range of different metrics including differences in 1-dimensional histograms of observables, KPD/FPD scores, AUCs of binary classifiers, and the log-posterior of a multiclass classifier. The results of the CaloChallenge provide the most complete and comprehensive survey of cutting-edge approaches to calorimeter fast simulation to date. In addition, our work provides a uniquely detailed perspective on the important problem of how to evaluate generative models. As such, the results presented here should be applicable for other domains that use generative AI and require fast and faithful generation of samples in a large phase space. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.21611v1-abstract-full').style.display = 'none'; document.getElementById('2410.21611v1-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 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">204 pages, 100+ figures, 30+ tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> HEPHY-ML-24-05, FERMILAB-PUB-24-0728-CMS, TTK-24-43 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.01672">arXiv:2208.01672</a> <span> [<a href="https://arxiv.org/pdf/2208.01672">pdf</a>, <a href="https://arxiv.org/format/2208.01672">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> CUBES, the Cassegrain U-Band Efficient Spectrograph </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Cristiani%2C+S">S. Cristiani</a>, <a href="/search/physics?searchtype=author&query=Alcal%C3%A1%2C+J+M">J. M. Alcal谩</a>, <a href="/search/physics?searchtype=author&query=Alencar%2C+S+H+P">S. H. P. Alencar</a>, <a href="/search/physics?searchtype=author&query=Balashev%2C+S+A">S. A. Balashev</a>, <a href="/search/physics?searchtype=author&query=Bastian%2C+N">N. Bastian</a>, <a href="/search/physics?searchtype=author&query=Barbuy%2C+B">B. Barbuy</a>, <a href="/search/physics?searchtype=author&query=Battino%2C+U">U. Battino</a>, <a href="/search/physics?searchtype=author&query=Calcines%2C+A">A. Calcines</a>, <a href="/search/physics?searchtype=author&query=Calderone%2C+G">G. Calderone</a>, <a href="/search/physics?searchtype=author&query=Cambianica%2C+P">P. Cambianica</a>, <a href="/search/physics?searchtype=author&query=Carini%2C+R">R. Carini</a>, <a href="/search/physics?searchtype=author&query=Carter%2C+B">B. Carter</a>, <a href="/search/physics?searchtype=author&query=Cassisi%2C+S">S. Cassisi</a>, <a href="/search/physics?searchtype=author&query=Castilho%2C+B+V">B. V. Castilho</a>, <a href="/search/physics?searchtype=author&query=Cescutti%2C+G">G. Cescutti</a>, <a href="/search/physics?searchtype=author&query=Christlieb%2C+N">N. Christlieb</a>, <a href="/search/physics?searchtype=author&query=Cirami%2C+R">R. Cirami</a>, <a href="/search/physics?searchtype=author&query=Coretti%2C+I">I. Coretti</a>, <a href="/search/physics?searchtype=author&query=Cooke%2C+R">R. Cooke</a>, <a href="/search/physics?searchtype=author&query=Covino%2C+S">S. Covino</a>, <a href="/search/physics?searchtype=author&query=Cremonese%2C+G">G. Cremonese</a>, <a href="/search/physics?searchtype=author&query=Cunha%2C+K">K. Cunha</a>, <a href="/search/physics?searchtype=author&query=Cupani%2C+G">G. Cupani</a>, <a href="/search/physics?searchtype=author&query=da+Silva%2C+A+R">A. R. da Silva</a>, <a href="/search/physics?searchtype=author&query=De+Caprio%2C+V">V. De Caprio</a> , et al. (52 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="2208.01672v1-abstract-short" style="display: inline;"> In the era of Extremely Large Telescopes, the current generation of 8-10m facilities are likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrograph (CUBES) has been designed to provide high-efficiency (>40%) observations in the near UV (305-400 nm requirement, 300-420 nm goal) at a spectral resolving power of R>20,000 (with a lowe… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.01672v1-abstract-full').style.display = 'inline'; document.getElementById('2208.01672v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.01672v1-abstract-full" style="display: none;"> In the era of Extremely Large Telescopes, the current generation of 8-10m facilities are likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrograph (CUBES) has been designed to provide high-efficiency (>40%) observations in the near UV (305-400 nm requirement, 300-420 nm goal) at a spectral resolving power of R>20,000 (with a lower-resolution, sky-limited mode of R ~ 7,000). With the design focusing on maximizing the instrument throughput (ensuring a Signal to Noise Ratio (SNR) ~20 per high-resolution element at 313 nm for U ~18.5 mag objects in 1h of observations), it will offer new possibilities in many fields of astrophysics, providing access to key lines of stellar spectra: a tremendous diversity of iron-peak and heavy elements, lighter elements (in particular Beryllium) and light-element molecules (CO, CN, OH), as well as Balmer lines and the Balmer jump (particularly important for young stellar objects). The UV range is also critical in extragalactic studies: the circumgalactic medium of distant galaxies, the contribution of different types of sources to the cosmic UV background, the measurement of H2 and primordial Deuterium in a regime of relatively transparent intergalactic medium, and follow-up of explosive transients. The CUBES project completed a Phase A conceptual design in June 2021 and has now entered the detailed design and construction phase. First science operations are planned for 2028. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.01672v1-abstract-full').style.display = 'none'; document.getElementById('2208.01672v1-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> 2 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">SPIE proceedings, SPIE Astronomical Telescopes + Instrumentation 2022, Montr茅al, Canada; 20 pages, 13 figures, 2 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/2102.02205">arXiv:2102.02205</a> <span> [<a href="https://arxiv.org/pdf/2102.02205">pdf</a>, <a href="https://arxiv.org/format/2102.02205">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 Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Astrophysics of Galaxies">astro-ph.GA</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</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/10.1117/12.2562497">10.1117/12.2562497 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Stellar astrophysics in the near UV with VLT-CUBES </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Ernandes%2C+H">H. Ernandes</a>, <a href="/search/physics?searchtype=author&query=Evans%2C+C+J">C. J. Evans</a>, <a href="/search/physics?searchtype=author&query=Barbuy%2C+B">B. Barbuy</a>, <a href="/search/physics?searchtype=author&query=Castilho%2C+B">B. Castilho</a>, <a href="/search/physics?searchtype=author&query=Cescutti%2C+G">G. Cescutti</a>, <a href="/search/physics?searchtype=author&query=Christlieb%2C+N">N. Christlieb</a>, <a href="/search/physics?searchtype=author&query=Cristiani%2C+S">S. Cristiani</a>, <a href="/search/physics?searchtype=author&query=Cupani%2C+G">G. Cupani</a>, <a href="/search/physics?searchtype=author&query=Di+Marcantonio%2C+P">P. Di Marcantonio</a>, <a href="/search/physics?searchtype=author&query=Franchini%2C+M">M. Franchini</a>, <a href="/search/physics?searchtype=author&query=Hansen%2C+C">C. Hansen</a>, <a href="/search/physics?searchtype=author&query=Quirrenbach%2C+A">A. Quirrenbach</a>, <a href="/search/physics?searchtype=author&query=Smiljanic%2C+R">R. Smiljanic</a> </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="2102.02205v1-abstract-short" style="display: inline;"> Alongside future observations with the new European Extremely Large Telescope (ELT), optimised instruments on the 8-10m generation of telescopes will still be competitive at 'ground UV' wavelengths (3000-4000 A). The near UV provides a wealth of unique information on the nucleosynthesis of iron-peak elements, molecules, and neutron-capture elements. In the context of development of the near-UV CUB… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.02205v1-abstract-full').style.display = 'inline'; document.getElementById('2102.02205v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2102.02205v1-abstract-full" style="display: none;"> Alongside future observations with the new European Extremely Large Telescope (ELT), optimised instruments on the 8-10m generation of telescopes will still be competitive at 'ground UV' wavelengths (3000-4000 A). The near UV provides a wealth of unique information on the nucleosynthesis of iron-peak elements, molecules, and neutron-capture elements. In the context of development of the near-UV CUBES spectrograph for ESO's Very Large Telescope (VLT), we are investigating the impact of spectral resolution on the ability to estimate chemical abundances for beryllium and more than 30 iron-peak and heavy elements. From work ahead of the Phase A conceptual design of CUBES, here we present a comparison of the elements observable at the notional resolving power of CUBES (R~20,000) to those with VLT-UVES (R~40,000). For most of the considered lines signal-to-noise is a more critical factor than resolution. We summarise the elements accessible with CUBES, several of which (e.g. Be, Ge, Hf) are now the focus of quantitative simulations as part of the ongoing Phase A study. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.02205v1-abstract-full').style.display = 'none'; document.getElementById('2102.02205v1-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> 2 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Proceedings of the SPIE, Volume 11447, id. 1144760 11 pp. (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2010.16251">arXiv:2010.16251</a> <span> [<a href="https://arxiv.org/pdf/2010.16251">pdf</a>, <a href="https://arxiv.org/format/2010.16251">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"> The FragmentatiOn Of Target Experiment (FOOT) and its DAQ system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Biondi%2C+S">Silvia Biondi</a>, <a href="/search/physics?searchtype=author&query=Alexandrov%2C+A">Andrey Alexandrov</a>, <a href="/search/physics?searchtype=author&query=Alpat%2C+B">Behcet Alpat</a>, <a href="/search/physics?searchtype=author&query=Ambrosi%2C+G">Giovanni Ambrosi</a>, <a href="/search/physics?searchtype=author&query=Argir%C3%B2%2C+S">Stefano Argir貌</a>, <a href="/search/physics?searchtype=author&query=Diaz%2C+R+A">Rau Arteche Diaz</a>, <a href="/search/physics?searchtype=author&query=Bartosik%2C+N">Nazarm Bartosik</a>, <a href="/search/physics?searchtype=author&query=Battistoni%2C+G">Giuseppe Battistoni</a>, <a href="/search/physics?searchtype=author&query=Belcari%2C+N">Nicola Belcari</a>, <a href="/search/physics?searchtype=author&query=Bellinzona%2C+E">Elettra Bellinzona</a>, <a href="/search/physics?searchtype=author&query=Bisogni%2C+M+G">Maria Giuseppina Bisogni</a>, <a href="/search/physics?searchtype=author&query=Bruni%2C+G">Graziano Bruni</a>, <a href="/search/physics?searchtype=author&query=Carra%2C+P">Pietro Carra</a>, <a href="/search/physics?searchtype=author&query=Cerello%2C+P">Piergiorgio Cerello</a>, <a href="/search/physics?searchtype=author&query=Ciarrocchi%2C+E">Esther Ciarrocchi</a>, <a href="/search/physics?searchtype=author&query=Clozza%2C+A">Alberto Clozza</a>, <a href="/search/physics?searchtype=author&query=Colombi%2C+S">Sofia Colombi</a>, <a href="/search/physics?searchtype=author&query=De+Lellis%2C+G">Giovanni De Lellis</a>, <a href="/search/physics?searchtype=author&query=Del+Guerra%2C+A">Alberto Del Guerra</a>, <a href="/search/physics?searchtype=author&query=De+Simoni%2C+M">Micol De Simoni</a>, <a href="/search/physics?searchtype=author&query=Di+Crescenzo%2C+A">Antonia Di Crescenzo</a>, <a href="/search/physics?searchtype=author&query=Di+Ruzza%2C+B">Benedetto Di Ruzza</a>, <a href="/search/physics?searchtype=author&query=Donetti%2C+M">Marco Donetti</a>, <a href="/search/physics?searchtype=author&query=Dong%2C+Y">Yunsheng Dong</a>, <a href="/search/physics?searchtype=author&query=Durante%2C+M">Marco Durante</a> , et al. (70 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="2010.16251v1-abstract-short" style="display: inline;"> The FragmentatiOn Of Target (FOOT) experiment aims to provide precise nuclear cross-section measurements for two different fields: hadrontherapy and radio-protection in space. The main reason is the important role the nuclear fragmentation process plays in both fields, where the health risks caused by radiation are very similar and mainly attributable to the fragmentation process. The FOOT experim… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.16251v1-abstract-full').style.display = 'inline'; document.getElementById('2010.16251v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2010.16251v1-abstract-full" style="display: none;"> The FragmentatiOn Of Target (FOOT) experiment aims to provide precise nuclear cross-section measurements for two different fields: hadrontherapy and radio-protection in space. The main reason is the important role the nuclear fragmentation process plays in both fields, where the health risks caused by radiation are very similar and mainly attributable to the fragmentation process. The FOOT experiment has been developed in such a way that the experimental setup is easily movable and fits the space limitations of the experimental and treatment rooms available in hadrontherapy treatment centers, where most of the data takings are carried out. The Trigger and Data Acquisition system needs to follow the same criteria and it should work in different laboratories and in different conditions. It has been designed to acquire the largest sample size with high accuracy in a controlled and online-monitored environment. The data collected are processed in real-time for quality assessment and are available to the DAQ crew and detector experts during data taking. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.16251v1-abstract-full').style.display = 'none'; document.getElementById('2010.16251v1-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> 29 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2020. </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> 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