Aromatic cycles are widespread in cold clouds

2024-03-27T13:57:00+01:00Tags: |

Authors: Agundez, M.; Marcelino, N.; Tercero, B.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/09/13 DOI: 10.1051/0004-6361/202347524 Abstract: We report the detection of large hydrocarbon cycles toward several cold dense clouds. We observed four sources (L1495B, Lupus-1A, L483, and L1527) in the Q band (31-50 GHz) using the Yebes 40 m radiotelescope. Using the [...]

Stochastic optimization algorithms for quantum applications

2024-03-27T13:57:44+01:00Tags: , , |

Authors: Gidi, J.; Candia, B.; Munoz-Moller, A. D.; Rojas, A.; Pereira, L.; Munoz, M.; Zambrano, L.; Delgado, A. Journal: PHYSICAL REVIEW A Publication date: 2023/09/08 DOI: 10.1103/PhysRevA.108.032409 Abstract: Hybrid classical quantum optimization methods have become an important tool for efficiently solving problems in the current generation of noisy intermediate-scale quantum computers. These methods use an [...]

Formation of the methyl cation by photochemistry in a protoplanetary disk

2024-03-27T13:57:06+01:00Tags: |

Authors: Berne, Olivier; Martin-Drumel, Marie-Aline; Schroetter, Ilane; Goicoechea, Javier R.; Jacovella, Ugo; Gans, Berenger; Dartois, Emmanuel; Coudert, Laurent H.; Bergin, Edwin; Alarcon, Felipe; Cami, Jan; Roueff, Evelyne; Black, John H.; Asvany, Oskar; Habart, Emilie; Peeters, Els; Canin, Amelie; Trahin, Boris; Joblin, Christine; Schlemmer, Stephan; Thorwirth, Sven; Cernicharo, Jose; Gerin, Maryvonne; Tielens, Alexander; Zannese, Marion; Abergel, [...]

A new heavy anion in IRC+10216: Theory favors C10H- versus C9N-*

2024-03-27T13:58:17+01:00Tags: |

Authors: Pardo, J. R.; Cabezas, C.; Agundez, M.; Tercero, B.; Marcelino, N.; de Vicente, P.; Guelin, M.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/09/04 DOI: 10.1051/0004-6361/202346498 Abstract: Continuing Q-band (31-50 GHz) integrations on IRC +10216 with the Yebes 40m telescope have now reached sub-millikelvin noise with hundreds of new lines arising above an [...]

Stability and Reversible Oxidation of Sub-Nanometric Cu5 Metal Clusters: Integrated Experimental Study and Theoretical Modeling

2024-03-27T13:57:09+01:00Tags: , |

Authors: Buceta, David; Huseyinova, Shahana; Cuerva, Miguel; Lozano, Hector; Giovanetti, Lisandro J. J.; Ramallo-Lopez, Jose M.; Lopez-Caballero, Patricia; Zanchet, Alexandre; Mitrushchenkov, Alexander O. O.; Hauser, Andreas W. W.; Barone, Giampaolo; Huck-Iriart, Cristian; Escudero, Carlos; Hernandez-Garrido, Juan Carlos; Calvino, Jose Juan; Lopez-Haro, Miguel; de Lara-Castells, Maria Pilar; Requejo, Felix G.; Lopez-Quintela, M. Arturo Journal: CHEMISTRY-A EUROPEAN [...]

Reionization and the ISM/Stellar Origins with JWST and ALMA (RIOJA): The Core of the Highest-redshift Galaxy Overdensity at z=7.88 Confirmed by NIRSpec/JWST

2024-03-27T13:57:54+01:00Tags: |

Authors: Hashimoto, T.; Alvarez-Marquez, J.; Fudamoto, Y.; Colina, L.; Inoue, A. K.; Nakazato, Y.; Ceverino, D.; Yoshida, N.; Costantin, L.; Sugahara, Y.; Gomez, A. Crespo; Blanco-Prieto, C.; Mawatari, K.; Arribas, S.; Marques-Chaves, R.; Pereira-Santaella, M.; Bakx, T. J. L. C.; Hagimoto, M.; Hashigaya, T.; Matsuo, H.; Tamura, Y.; Usui, M.; Ren, Y. W. Journal: ASTROPHYSICAL [...]

The VLT MUSE NFM view of outflows and externally photoevaporating discs near the orion bar

2024-03-27T13:57:55+01:00Tags: |

Authors: Haworth, Thomas J.; Reiter, Megan; O'Dell, C. Robert; Zeidler, Peter; Berne, Olivier; Manara, Carlo F.; Ballabio, Giulia; Kim, Jinyoung S.; Bally, John; Goicoechea, Javier R.; Aru, Mari-Liis; Gupta, Aashish; Miotello, Anna Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Publication date: 2023/09/01 DOI: 10.1093/mnras/stad2581 Abstract: We present Very Large Telescope/Multi-Unit Spectroscopic Explorer Narrow Field [...]

Quantum metrology with critical driven-dissipative collective spin system

2024-03-27T13:58:17+01:00Tags: , |

Authors: Pavlov, Venelin P.; Porras, Diego; Ivanov, Peter A. Journal: PHYSICA SCRIPTA Publication date: 2023/09/01 DOI: 10.1088/1402-4896/ace99f Abstract: We propose two critical dissipative quantum metrology schemes for single parameter estimation which are based on a quantum probe consisting of a coherently driven ensemble of N spin-1/2 particles under the effect of a collective spin decay. [...]

Gas phase Elemental abundances in Molecular cloudS (GEMS) VIII. Unlocking the CS chemistry: The CH plus S ? CS + H and C2 + S ? CS plus C reactions

2024-03-27T13:58:21+01:00Tags: |

Authors: Rocha, Carlos M. R.; Roncero, Octavio; Bulut, Niyazi; Zuchowski, Piotr; Navarro-Almaida, David; Fuente, Asuncion; Wakelam, Valentine; Loison, Jean-Christophe; Roueff, Evelyne; Goicoechea, Javier R.; Esplugues, Gisela; Beitia-Antero, Leire; Caselli, Paola; Lattanzi, Valerio; Pineda, Jaime; Le Gal, Romane; Rodriguez-Baras, Marina; Riviere-Marichalar, Pablo Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2023/09/01 DOI: 10.1051/0004-6361/202346967 Abstract: Context. Carbon monosulphide (CS) [...]

Absolute partial and total ionization cross sections for electron impact ionization of 2-butanol

2024-03-27T13:57:04+01:00Tags: , , |

Authors: Amorim, R. A. A.; Oliveira, C. B.; Oliveira Junior, O. L.; Diniz, A. C.; Jones, D. B.; Rosado, J.; Blanco, F.; Garcia, G.; Brunger, M. J.; Lopes, M. C. A. Journal: EUROPEAN PHYSICAL JOURNAL D Publication date: 2023/09/01 DOI: 10.1140/epjd/s10053-023-00742-1 Abstract: Partial ionization cross section (PICS) measurements of the cations created through electron impact [...]

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