| Records |
| Author |
Dorigo, T. et al; Ramos, A.; Ruiz de Austri, R. |
| Title |
Toward the end-to-end optimization of particle physics instruments with differentiable programming |
Type |
Journal Article |
| Year |
2023 |
Publication |
Reviews in Physics |
Abbreviated Journal  |
Rev. Phys. |
| Volume |
10 |
Issue |
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Pages |
100085 - pp |
| Keywords |
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| Abstract |
The full optimization of the design and operation of instruments whose functioning relies on the interaction of radiation with matter is a super-human task, due to the large dimensionality of the space of possible choices for geometry, detection technology, materials, data-acquisition, and information-extraction techniques, and the interdependence of the related parameters. On the other hand, massive potential gains in performance over standard, “experience-driven” layouts are in principle within our reach if an objective function fully aligned with the final goals of the instrument is maximized through a systematic search of the configuration space. The stochastic nature of the involved quantum processes make the modeling of these systems an intractable problem from a classical statistics point of view, yet the construction of a fully differentiable pipeline and the use of deep learning techniques may allow the simultaneous optimization of all design parameters. |
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Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
6096 |
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| Author |
Kogler, R.; Nachman, B.; Schmidt, A.; Asquith, L.; Winkels, E.; Campanelli, M.; Delitzsch, C.; Harris, P.; Hinzmann, A.; Kar, D.; McLean, C.; Pilot, J.; Takahashi, Y.; Tran, N.; Vernieri, C.; Vos, M. |
| Title |
Jet substructure at the Large Hadron Collider |
Type |
Journal Article |
| Year |
2019 |
Publication |
Reviews of Modern Physics |
Abbreviated Journal |
Rev. Mod. Phys. |
| Volume |
91 |
Issue |
4 |
Pages |
045003 - 44pp |
| Keywords |
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| Abstract |
Jet substructure has emerged to play a central role at the Large Hadron Collider, where it has provided numerous innovative ways to search for new physics and to probe the standard model, particularly in extreme regions of phase space. This review focuses on the development and use of state-of-the-art jet substructure techniques by the ATLAS and CMS experiments. |
| Address |
[Kogler, Roman; Hinzmann, Andreas] Univ Hamburg, Hamburg, Germany, Email: roman.kogler@uni-hamburg.de; |
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| Publisher |
Amer Physical Soc |
Place of Publication |
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| Language |
English |
Summary Language |
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0034-6861 |
ISBN |
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Conference |
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| Notes |
WOS:000505698100001 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
4238 |
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| Author |
Garcilazo, H.; Valcarce, A.; Vijande, J. |
| Title |
Stable bound states of N's, Lambda's and Xi's |
Type |
Journal Article |
| Year |
2017 |
Publication |
Revista Mexicana de Fisica |
Abbreviated Journal |
Rev. Mex. Fis. |
| Volume |
63 |
Issue |
5 |
Pages |
411-422 |
| Keywords |
Baryon-Baryon interactions; Faddeev equations; variational approaches |
| Abstract |
We review our recent work about the stability of strange few-body systems containing N's, Lambda's, and Xi's. We make use of local central Yukawa-type Malfliet-Tjon interactions reproducing the low-energy parameters and phase shifts of the nucleon-nucleon system and the latest updates of the hyperon-nucleon and hyperon-hyperon ESCO8c Nijmegen potentials. We solve the three-and four-body bound-state problems by means of Faddeev equations and a generalized Gaussian variational method, respectively. The hypertriton, Lambda np(I)J(P) = (1/2)1/2(+), is bound by 144 keV; the recently discussed Lambda nn (I)J(P) = (1/2)1/2(+) system is unbound, as well as the Lambda Lambda nn (I)J(P) = (1)0(+) system, being just above threshold. Our results indicate that the Xi NN, Xi Xi N and Xi Xi NN systems with maximal isospin might be bound. |
| Address |
[Garcilazo, H.] Inst Politecn Nacl, Escuela Super Fis & Matemat, Edificio 9, Mexico City 07738, DF, Mexico, Email: humberto@esfm.ipn.mx; |
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Soc Mexicana Fisica |
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English |
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0035-001x |
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| Notes |
WOS:000410015700003 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
3291 |
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| Author |
de Azcarraga, J.A. |
| Title |
The new Spanish educational legislation: why public education will not improve |
Type |
Journal Article |
| Year |
2022 |
Publication |
Revista Española de Pedagogía |
Abbreviated Journal |
Rev. Esp. Pedagog. |
| Volume |
80 |
Issue |
281 |
Pages |
111-129 |
| Keywords |
Forthcoming Spanish educational legislation; primary school; secondary education; universities |
| Abstract |
This paper provides some reasons that explain, in the view of the author, why the present eagerness of the Spanish Educational Authorities to reform all levels of education, from primary school to the universities, will not improve the quality of the Spanish educational system. |
| Address |
[Adolfo de Azcarraga, Jose] Univ Valencia, Fis Teor, Valencia, Spain, Email: j.a.de.azcarraga@ific.uv.es |
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| Publisher |
Univ Int Rioja-Unir |
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| Language |
Spanish |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0034-9461 |
ISBN |
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Conference |
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| Notes |
WOS:000752024500007 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
no |
| Call Number |
IFIC @ pastor @ |
Serial |
5125 |
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| Author |
Pino, F.; Roe, N.; Orero, A.; Falcon, C.; Rojas, S.; Benlloch, J.M.; Ros, D.; Pavia, J. |
| Title |
Development of a variable-radius pinhole SPECT system with a portable gamma camera |
Type |
Journal Article |
| Year |
2011 |
Publication |
Revista Española de Medicina Nuclear |
Abbreviated Journal |
Rev. Esp. Med. Nucl. |
| Volume |
30 |
Issue |
5 |
Pages |
286-291 |
| Keywords |
SPECT; Small animal; Pinhole; Portable gamma camera; Continuous scintillator |
| Abstract |
Objective: To develop a small-animal SPECT system using a low cost commercial portable gamma camera equipped with a pinhole collimator, a continuous scintillation crystal and a position-sensitive photomultiplier tube. Material and methods: The gamma camera was attached to a variable radius system, which enabled us to optimize sensitivity and resolution by adjusting the radius of rotation to the size of the object. To investigate the capability of the SPECT system for small animal imaging, the dependence of resolution and calibration parameters on radius was assessed and acquisitions of small phantoms and mice were carried out. Results: Resolution values, ranging from 1.0 mm for a radius of 21.4 mm and 1.4 mm for a radius of 37.2 mm were obtained, thereby justifying the interest of a variable radius SPECT system. Conclusions: The image quality of phantoms and animals were satisfactory, thus confirming the usefulness of the system for small animal SPECT imaging. |
| Address |
[Pino, F; Roe, N; Ros, D] Univ Barcelona, Fac Med, Unitat Biofis, Barcelona 7, Spain, Email: fpino@iconcologia.net |
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| Publisher |
Elsevier Science Inc |
Place of Publication |
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| Language |
English |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0212-6982 |
ISBN |
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Conference |
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| Notes |
WOS:000294659400004 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
no |
| Call Number |
IFIC @ elepoucu @ |
Serial |
753 |
| Permanent link to this record |
