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Article ; Online: Discovery of Gamma Rays from the Quiescent Sun with HAWC.

Albert, A / Alfaro, R / Alvarez, C / Arteaga-Velázquez, J C / Avila Rojas, D / Ayala Solares, H A / Babu, R / Belmont-Moreno, E / Brisbois, C / Caballero-Mora, K S / Capistrán, T / Carramiñana, A / Casanova, S / Chaparro-Amaro, O / Cotti, U / Cotzomi, J / Coutiño de León, S / De la Fuente, E / Diaz Hernandez, R /

Dingus, B L / DuVernois, M A / Durocher, M / Díaz-Vélez, J C / Ellsworth, R W / Engel, K / Espinoza, C / Fan, K L / Fang, K / Fernández Alonso, M / Fleischhack, H / Fraija, N / García-González, J A / Garfias, F / González, M M / Goodman, J A / Harding, J P / Hernandez, S / Hinton, J / Huang, D / Hueyotl-Zahuantitla, F / Hüntemeyer, P / Iriarte, A / Joshi, V / Kaufmann, S / Lee, J / Linnemann, J T / Longinotti, A L / Luis-Raya, G / Malone, K / Martinez, O / Martínez-Castro, J / Matthews, J A / Miranda-Romagnoli, P / Morales-Soto, J A / Moreno, E / Mostafá, M / Nayerhoda, A / Nellen, L / Nisa, M U / Noriega-Papaqui, R / Olivera-Nieto, L / Omodei, N / Pérez Araujo, Y / Pérez-Pérez, E G / Rho, C D / Rosa-González, D / Ruiz-Velasco, E / Salazar, H / Salazar-Gallegos, D / Sandoval, A / Schneider, M / Serna-Franco, J / Smith, A J / Son, Y / Springer, R W / Tibolla, O / Tollefson, K / Torres, I / Torres-Escobedo, R / Turner, R / Ureña-Mena, F / Varela, E / Villaseñor, L / Wang, X / Watson, I J / Willox, E / Yun-Cárcamo, S / Zhou, H / de León, C / Beacom, J F / Linden, T / Ng, K C Y / Peter, A H G / Zhou, B

Physical review letters

2023 Volume 131, Issue 5, Page(s) 51201

Abstract: We report the first detection of a TeV γ-ray flux from the solar disk (6.3σ), based on 6.1 years of data from the High Altitude Water Cherenkov (HAWC) observatory. The 0.5-2.6 TeV spectrum is well fit by a power law, dN/dE=A(E/1 TeV)^{-γ}, with A=(1.6±0. ...

Abstract	We report the first detection of a TeV γ-ray flux from the solar disk (6.3σ), based on 6.1 years of data from the High Altitude Water Cherenkov (HAWC) observatory. The 0.5-2.6 TeV spectrum is well fit by a power law, dN/dE=A(E/1 TeV)^{-γ}, with A=(1.6±0.3)×10^{-12} TeV^{-1} cm^{-2} s^{-1} and γ=3.62±0.14. The flux shows a strong indication of anticorrelation with solar activity. These results extend the bright, hard GeV emission from the disk observed with Fermi-LAT, seemingly due to hadronic Galactic cosmic rays showering on nuclei in the solar atmosphere. However, current theoretical models are unable to explain the details of how solar magnetic fields shape these interactions. HAWC's TeV detection thus deepens the mysteries of the solar-disk emission.
Language	English
Publishing date	2023-08-09
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.131.051201
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Article: Neutrino production through hadronic cascades in AGN accretion disks.

Nellen / Mannheim / Biermann

Physical review. D, Particles and fields

1993 Volume 47, Issue 12, Page(s) 5270–5274

Language	English
Publishing date	1993-06-15
Publishing country	United States
Document type	Journal Article
ZDB-ID	209772-2
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
DOI	10.1103/physrevd.47.5270
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Article ; Online: Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma Rays above 100 TeV.

Albert, A / Alfaro, R / Alvarez, C / Angeles Camacho, J R / Arteaga-Velázquez, J C / Arunbabu, K P / Avila Rojas, D / Ayala Solares, H A / Baghmanyan, V / Belmont-Moreno, E / BenZvi, S Y / Brisbois, C / Caballero-Mora, K S / Capistrán, T / Carramiñana, A / Casanova, S / Cotti, U / Cotzomi, J / Coutiño de León, S /

De la Fuente, E / de León, C / Dingus, B L / DuVernois, M A / Díaz-Vélez, J C / Ellsworth, R W / Engel, K / Espinoza, C / Fleischhack, H / Fraija, N / Galván-Gámez, A / Garcia, D / García-González, J A / Garfias, F / González, M M / Goodman, J A / Harding, J P / Hernandez, S / Hona, B / Huang, D / Hueyotl-Zahuantitla, F / Hüntemeyer, P / Iriarte, A / Joshi, V / Lara, A / Lee, W H / León Vargas, H / Linnemann, J T / Longinotti, A L / Luis-Raya, G / Lundeen, J / López-Coto, R / Malone, K / Marinelli, S S / Martinez-Castellanos, I / Martínez-Castro, J / Martínez-Huerta, H / Matthews, J A / Miranda-Romagnoli, P / Morales-Soto, J A / Moreno, E / Nayerhoda, A / Nellen, L / Newbold, M / Nisa, M U / Noriega-Papaqui, R / Omodei, N / Peisker, A / Pérez-Pérez, E G / Rho, C D / Rivière, C / Rosa-González, D / Rosenberg, M / Ruiz-Velasco, E / Salazar, H / Salesa Greus, F / Sandoval, A / Schneider, M / Schoorlemmer, H / Sinnis, G / Smith, A J / Springer, R W / Surajbali, P / Tabachnick, E / Tanner, M / Tibolla, O / Tollefson, K / Torres, I / Torres-Escobedo, R / Weisgarber, T / Yodh, G / Zepeda, A / Zhou, H

Physical review letters

2020 Volume 124, Issue 13, Page(s) 131101

Abstract: Because of the high energies and long distances to the sources, astrophysical observations provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV). Superluminal LIV enables the decay of photons at high energy. The ... ...

Abstract	Because of the high energies and long distances to the sources, astrophysical observations provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV). Superluminal LIV enables the decay of photons at high energy. The high altitude water Cherenkov (HAWC) observatory is among the most sensitive gamma-ray instruments currently operating above 10 TeV. HAWC finds evidence of 100 TeV photon emission from at least four astrophysical sources. These observations exclude, for the strongest of the limits set, the LIV energy scale to 2.2×10^{31} eV, over 1800 times the Planck energy and an improvement of 1 to 2 orders of magnitude over previous limits.
Language	English
Publishing date	2020-04-17
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.124.131101
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Article ; Online: Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory.

Abdul Halim, A / Abreu, P / Aglietta, M / Allekotte, I / Cheminant, K Almeida / Almela, A / Aloisio, R / Alvarez-Muñiz, J / Yebra, J Ammerman / Anastasi, G A / Anchordoqui, L / Andrada, B / Andringa, S / Anukriti / Apollonio, L / Aramo, C / Ferreira, P R Araújo / Arnone, E / Velázquez, J C Arteaga /

Assis, P / Avila, G / Avocone, E / Bakalova, A / Barbato, F / Mocellin, A Bartz / Bellido, J A / Berat, C / Bertaina, M E / Bhatta, G / Bianciotto, M / Biermann, P L / Binet, V / Bismark, K / Bister, T / Biteau, J / Blazek, J / Bleve, C / Blümer, J / Boháčová, M / Boncioli, D / Bonifazi, C / Arbeletche, L Bonneau / Borodai, N / Brack, J / Orchera, P G Brichetto / Briechle, F L / Bueno, A / Buitink, S / Buscemi, M / Büsken, M / Bwembya, A / Caballero-Mora, K S / Cabana-Freire, S / Caccianiga, L / Caruso, R / Castellina, A / Catalani, F / Cataldi, G / Cazon, L / Cerda, M / Cermenati, A / Chinellato, J A / Chudoba, J / Chytka, L / Clay, R W / Cerutti, A C Cobos / Colalillo, R / Coleman, A / Coluccia, M R / Conceição, R / Condorelli, A / Consolati, G / Conte, M / Convenga, F / Dos Santos, D Correia / Costa, P J / Covault, C E / Cristinziani, M / Sanchez, C S Cruz / Dasso, S / Daumiller, K / Dawson, B R / de Almeida, R M / de Jesús, J / de Jong, S J / Neto, J R T de Mello / De Mitri, I / de Oliveira, J / Franco, D de Oliveira / de Palma, F / de Souza, V / de Errico, B P de Souza / De Vito, E / Del Popolo, A / Deligny, O / Denner, N / Deval, L / di Matteo, A / Dobre, M / Dobrigkeit, C / D'Olivo, J C / Mendes, L M Domingues / Dorosti, Q / Dos Anjos, J C / Dos Anjos, R C / Ebr, J / Ellwanger, F / Emam, M / Engel, R / Epicoco, I / Erdmann, M / Etchegoyen, A / Evoli, C / Falcke, H / Farmer, J / Farrar, G / Fauth, A C / Fazzini, N / Feldbusch, F / Fenu, F / Fernandes, A / Fick, B / Figueira, J M / Filipčič, A / Fitoussi, T / Flaggs, B / Fodran, T / Fujii, T / Fuster, A / Galea, C / Galelli, C / García, B / Gaudu, C / Gemmeke, H / Gesualdi, F / Gherghel-Lascu, A / Ghia, P L / Giaccari, U / Glombitza, J / Gobbi, F / Gollan, F / Golup, G / Berisso, M Gómez / Vitale, P F Gómez / Gongora, J P / González, J M / González, N / Goos, I / Góra, D / Gorgi, A / Gottowik, M / Grubb, T D / Guarino, F / Guedes, G P / Guido, E / Gülzow, L / Hahn, S / Hamal, P / Hampel, M R / Hansen, P / Harari, D / Harvey, V M / Haungs, A / Hebbeker, T / Hojvat, C / Hörandel, J R / Horvath, P / Hrabovský, M / Huege, T / Insolia, A / Isar, P G / Janecek, P / Jilek, V / Johnsen, J A / Jurysek, J / Kampert, K-H / Keilhauer, B / Khakurdikar, A / Covilakam, V V Kizakke / Klages, H O / Kleifges, M / Knapp, F / Köhler, J / Kunka, N / Lago, B L / Langner, N / de Oliveira, M A Leigui / Lema-Capeans, Y / Letessier-Selvon, A / Lhenry-Yvon, I / Lopes, L / Lu, L / Luce, Q / Lundquist, J P / Payeras, A Machado / Majercakova, M / Mandat, D / Manning, B C / Mantsch, P / Marafico, S / Mariani, F M / Mariazzi, A G / Mariş, I C / Marsella, G / Martello, D / Martinelli, S / Bravo, O Martínez / Martins, M A / Mathes, H-J / Matthews, J / Matthiae, G / Mayotte, E / Mayotte, S / Mazur, P O / Medina-Tanco, G / Meinert, J / Melo, D / Menshikov, A / Merx, C / Michal, S / Micheletti, M I / Miramonti, L / Mollerach, S / Montanet, F / Morejon, L / Morello, C / Mulrey, K / Mussa, R / Namasaka, W M / Negi, S / Nellen, L / Nguyen, K / Nicora, G / Niechciol, M / Nitz, D / Nosek, D / Novotny, V / Nožka, L / Nucita, A / Núñez, L A / Oliveira, C / Palatka, M / Pallotta, J / Panja, S / Parente, G / Paulsen, T / Pawlowsky, J / Pech, M / Pękala, J / Pelayo, R / Pereira, L A S / Martins, E E Pereira / Armand, J Perez / Bertolli, C Pérez / Perrone, L / Petrera, S / Petrucci, C / Pierog, T / Pimenta, M / Platino, M / Pont, B / Pothast, M / Shahvar, M Pourmohammad / Privitera, P / Prouza, M / Puyleart, A / Querchfeld, S / Rautenberg, J / Ravignani, D / Akim, J V Reginatto / Reininghaus, M / Ridky, J / Riehn, F / Risse, M / Rizi, V / de Carvalho, W Rodrigues / Rodriguez, E / Rojo, J Rodriguez / Roncoroni, M J / Rossoni, S / Roth, M / Roulet, E / Rovero, A C / Ruehl, P / Saftoiu, A / Saharan, M / Salamida, F / Salazar, H / Salina, G / Gomez, J D Sanabria / Sánchez, F / Santos, E M / Santos, E / Sarazin, F / Sarmento, R / Sato, R / Savina, P / Schäfer, C M / Scherini, V / Schieler, H / Schimassek, M / Schimp, M / Schmidt, D / Scholten, O / Schoorlemmer, H / Schovánek, P / Schröder, F G / Schulte, J / Schulz, T / Sciutto, S J / Scornavacche, M / Segreto, A / Sehgal, S / Shivashankara, S U / Sigl, G / Silli, G / Sima, O / Simkova, K / Simon, F / Smau, R / Šmída, R / Sommers, P / Soriano, J F / Squartini, R / Stadelmaier, M / Stanič, S / Stasielak, J / Stassi, P / Strähnz, S / Straub, M / Suomijärvi, T / Supanitsky, A D / Svozilikova, Z / Szadkowski, Z / Tairli, F / Tapia, A / Taricco, C / Timmermans, C / Tkachenko, O / Tobiska, P / Peixoto, C J Todero / Tomé, B / Torrès, Z / Travaini, A / Travnicek, P / Trimarelli, C / Tueros, M / Unger, M / Vaclavek, L / Vacula, M / Galicia, J F Valdés / Valore, L / Varela, E / Vásquez-Ramírez, A / Veberič, D / Ventura, C / Quispe, I D Vergara / Verzi, V / Vicha, J / Vink, J / Vorobiov, S / Watanabe, C / Watson, A A / Weindl, A / Wiencke, L / Wilczyński, H / Wittkowski, D / Wundheiler, B / Yue, B / Yushkov, A / Zapparrata, O / Zas, E / Zavrtanik, D / Zavrtanik, M

Physical review letters

2024 Volume 132, Issue 2, Page(s) 21001

Abstract: We show, for the first time, radio measurements of the depth of shower maximum (X_{max}) of air showers induced by cosmic rays that are compared to measurements of the established fluorescence method at the same location. Using measurements at the Pierre ...

Abstract	We show, for the first time, radio measurements of the depth of shower maximum (X_{max}) of air showers induced by cosmic rays that are compared to measurements of the established fluorescence method at the same location. Using measurements at the Pierre Auger Observatory we show full compatibility between our radio and the previously published fluorescence dataset, and between a subset of air showers observed simultaneously with both radio and fluorescence techniques, a measurement setup unique to the Pierre Auger Observatory. Furthermore, we show radio X_{max} resolution as a function of energy and demonstrate the ability to make competitive high-resolution X_{max} measurements with even a sparse radio array. With this, we show that the radio technique is capable of cosmic-ray mass composition studies, both at Auger and at other experiments.
Language	English
Publishing date	2024-01-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.132.021001
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Article: New expressions for string loop amplitudes leading to an ultrasimple conception of string dynamics.

Chan / Tsou Sheung Tsun / Bordes / Nellen

Physical review. D, Particles and fields

1991 Volume 44, Issue 6, Page(s) 1786–1800

Language	English
Publishing date	1991-09-15
Publishing country	United States
Document type	Journal Article
ZDB-ID	209772-2
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
DOI	10.1103/physrevd.44.1786
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Article: N-string amplitude as a trace of half-string matrices.

Chan / Bordes / Tsou Sheung Tsun / Nellen

Physical review. D, Particles and fields

1989 Volume 40, Issue 8, Page(s) 2620–2625

Language	English
Publishing date	1989-10-15
Publishing country	United States
Document type	Journal Article
ZDB-ID	209772-2
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
DOI	10.1103/physrevd.40.2620
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Article ; Online: Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC.

Abeysekara, A U / Albert, A / Alfaro, R / Angeles Camacho, J R / Arteaga-Velázquez, J C / Arunbabu, K P / Avila Rojas, D / Ayala Solares, H A / Baghmanyan, V / Belmont-Moreno, E / BenZvi, S Y / Brisbois, C / Caballero-Mora, K S / Capistrán, T / Carramiñana, A / Casanova, S / Cotti, U / Cotzomi, J / Coutiño de León, S /

De la Fuente, E / de León, C / Dichiara, S / Dingus, B L / DuVernois, M A / Díaz-Vélez, J C / Ellsworth, R W / Engel, K / Espinoza, C / Fleischhack, H / Fraija, N / Galván-Gámez, A / Garcia, D / García-González, J A / Garfias, F / González, M M / Goodman, J A / Harding, J P / Hernandez, S / Hinton, J / Hona, B / Huang, D / Hueyotl-Zahuantitla, F / Hüntemeyer, P / Iriarte, A / Jardin-Blicq, A / Joshi, V / Kaufmann, S / Kieda, D / Lara, A / Lee, W H / León Vargas, H / Linnemann, J T / Longinotti, A L / Luis-Raya, G / Lundeen, J / López-Coto, R / Malone, K / Marinelli, S S / Martinez, O / Martinez-Castellanos, I / Martínez-Castro, J / Martínez-Huerta, H / Matthews, J A / Miranda-Romagnoli, P / Morales-Soto, J A / Moreno, E / Mostafá, M / Nayerhoda, A / Nellen, L / Newbold, M / Nisa, M U / Noriega-Papaqui, R / Peisker, A / Pérez-Pérez, E G / Pretz, J / Ren, Z / Rho, C D / Rivière, C / Rosa-González, D / Rosenberg, M / Ruiz-Velasco, E / Salesa Greus, F / Sandoval, A / Schneider, M / Schoorlemmer, H / Sinnis, G / Smith, A J / Springer, R W / Surajbali, P / Tabachnick, E / Tanner, M / Tibolla, O / Tollefson, K / Torres, I / Torres-Escobedo, R / Villaseñor, L / Weisgarber, T / Wood, J / Yapici, T / Zhang, H / Zhou, H

Physical review letters

2020 Volume 124, Issue 2, Page(s) 21102

Abstract: We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are ... ...

Abstract	We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely galactic in origin. Three sources continue emitting past 100 TeV, making this the highest-energy gamma-ray source catalog to date. We report the integral flux of each of these objects. We also report spectra for three highest-energy sources and discuss the possibility that they are PeVatrons.
Language	English
Publishing date	2020-02-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.124.021102
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Article ; Online: Limits to Gauge Coupling in the Dark Sector Set by the Nonobservation of Instanton-Induced Decay of Super-Heavy Dark Matter in the Pierre Auger Observatory Data.

Abreu, P / Aglietta, M / Albury, J M / Allekotte, I / Almeida Cheminant, K / Almela, A / Aloisio, R / Alvarez-Muñiz, J / Alves Batista, R / Ammerman Yebra, J / Anastasi, G A / Anchordoqui, L / Andrada, B / Andringa, S / Aramo, C / Araújo Ferreira, P R / Arnone, E / Arteaga Velázquez, J C / Asorey, H /

Assis, P / Avila, G / Avocone, E / Badescu, A M / Bakalova, A / Balaceanu, A / Barbato, F / Bellido, J A / Berat, C / Bertaina, M E / Bhatta, G / Biermann, P L / Binet, V / Bismark, K / Bister, T / Biteau, J / Blazek, J / Bleve, C / Blümer, J / Boháčová, M / Boncioli, D / Bonifazi, C / Bonneau Arbeletche, L / Borodai, N / Botti, A M / Brack, J / Bretz, T / Brichetto Orchera, P G / Briechle, F L / Buchholz, P / Bueno, A / Buitink, S / Buscemi, M / Büsken, M / Caballero-Mora, K S / Caccianiga, L / Canfora, F / Caracas, I / Caruso, R / Castellina, A / Catalani, F / Cataldi, G / Cazon, L / Cerda, M / Chinellato, J A / Chudoba, J / Chytka, L / Clay, R W / Cobos Cerutti, A C / Colalillo, R / Coleman, A / Coluccia, M R / Conceição, R / Condorelli, A / Consolati, G / Contreras, F / Convenga, F / Correia Dos Santos, D / Covault, C E / Dasso, S / Daumiller, K / Dawson, B R / Day, J A / de Almeida, R M / de Jesús, J / de Jong, S J / de Mello Neto, J R T / De Mitri, I / de Oliveira, J / de Oliveira Franco, D / de Palma, F / de Souza, V / De Vito, E / Del Popolo, A / Del Río, M / Deligny, O / Deval, L / di Matteo, A / Dobre, M / Dobrigkeit, C / D'Olivo, J C / Domingues Mendes, L M / Dos Anjos, R C / Dova, M T / Ebr, J / Engel, R / Epicoco, I / Erdmann, M / Escobar, C O / Etchegoyen, A / Falcke, H / Farmer, J / Farrar, G / Fauth, A C / Fazzini, N / Feldbusch, F / Fenu, F / Fick, B / Figueira, J M / Filipčič, A / Fitoussi, T / Fodran, T / Fujii, T / Fuster, A / Galea, C / Galelli, C / García, B / Garcia Vegas, A L / Gemmeke, H / Gesualdi, F / Gherghel-Lascu, A / Ghia, P L / Giaccari, U / Giammarchi, M / Glombitza, J / Gobbi, F / Gollan, F / Golup, G / Gómez Berisso, M / Gómez Vitale, P F / Gongora, J P / González, J M / González, N / Goos, I / Góra, D / Gorgi, A / Gottowik, M / Grubb, T D / Guarino, F / Guedes, G P / Guido, E / Hahn, S / Hamal, P / Hampel, M R / Hansen, P / Harari, D / Harvey, V M / Haungs, A / Hebbeker, T / Heck, D / Hill, G C / Hojvat, C / Hörandel, J R / Horvath, P / Hrabovský, M / Huege, T / Insolia, A / Isar, P G / Janecek, P / Johnsen, J A / Jurysek, J / Kääpä, A / Kampert, K H / Keilhauer, B / Khakurdikar, A / Kizakke Covilakam, V V / Klages, H O / Kleifges, M / Kleinfeller, J / Knapp, F / Kunka, N / Lago, B L / Langner, N / Leigui de Oliveira, M A / Lenok, V / Letessier-Selvon, A / Lhenry-Yvon, I / Lo Presti, D / Lopes, L / López, R / Lu, L / Luce, Q / Lundquist, J P / Machado Payeras, A / Mancarella, G / Mandat, D / Manning, B C / Manshanden, J / Mantsch, P / Marafico, S / Mariani, F M / Mariazzi, A G / Mariş, I C / Marsella, G / Martello, D / Martinelli, S / Martínez Bravo, O / Mastrodicasa, M / Mathes, H J / Matthews, J / Matthiae, G / Mayotte, E / Mayotte, S / Mazur, P O / Medina-Tanco, G / Melo, D / Menshikov, A / Michal, S / Micheletti, M I / Miramonti, L / Mollerach, S / Montanet, F / Morejon, L / Morello, C / Mostafá, M / Müller, A L / Muller, M A / Mulrey, K / Mussa, R / Muzio, M / Namasaka, W M / Nasr-Esfahani, A / Nellen, L / Nicora, G / Niculescu-Oglinzanu, M / Niechciol, M / Nitz, D / Norwood, I / Nosek, D / Novotny, V / Nožka, L / Nucita, A / Núñez, L A / Oliveira, C / Palatka, M / Pallotta, J / Papenbreer, P / Parente, G / Parra, A / Pawlowsky, J / Pech, M / Pękala, J / Pelayo, R / Peña-Rodriguez, J / Pereira Martins, E E / Perez Armand, J / Pérez Bertolli, C / Perrone, L / Petrera, S / Petrucci, C / Pierog, T / Pimenta, M / Pirronello, V / Platino, M / Pont, B / Pothast, M / Privitera, P / Prouza, M / Puyleart, A / Querchfeld, S / Rautenberg, J / Ravignani, D / Reininghaus, M / Ridky, J / Riehn, F / Risse, M / Rizi, V / Rodrigues de Carvalho, W / Rodriguez Rojo, J / Roncoroni, M J / Rossoni, S / Roth, M / Roulet, E / Rovero, A C / Ruehl, P / Saftoiu, A / Saharan, M / Salamida, F / Salazar, H / Salina, G / Sanabria Gomez, J D / Sánchez, F / Santos, E M / Santos, E / Sarazin, F / Sarmento, R / Sarmiento-Cano, C / Sato, R / Savina, P / Schäfer, C M / Scherini, V / Schieler, H / Schimassek, M / Schimp, M / Schlüter, F / Schmidt, D / Scholten, O / Schoorlemmer, H / Schovánek, P / Schröder, F G / Schulte, J / Schulz, T / Sciutto, S J / Scornavacche, M / Segreto, A / Sehgal, S / Shellard, R C / Sigl, G / Silli, G / Sima, O / Smau, R / Šmída, R / Sommers, P / Soriano, J F / Squartini, R / Stadelmaier, M / Stanca, D / Stanič, S / Stasielak, J / Stassi, P / Streich, A / Suárez-Durán, M / Sudholz, T / Suomijärvi, T / Supanitsky, A D / Szadkowski, Z / Tapia, A / Taricco, C / Timmermans, C / Tkachenko, O / Tobiska, P / Todero Peixoto, C J / Tomé, B / Torrès, Z / Travaini, A / Travnicek, P / Trimarelli, C / Tueros, M / Ulrich, R / Unger, M / Vaclavek, L / Vacula, M / Valdés Galicia, J F / Valore, L / Varela, E / Vásquez-Ramírez, A / Veberič, D / Ventura, C / Vergara Quispe, I D / Verzi, V / Vicha, J / Vink, J / Vorobiov, S / Wahlberg, H / Watanabe, C / Watson, A A / Weindl, A / Wiencke, L / Wilczyński, H / Wittkowski, D / Wundheiler, B / Yushkov, A / Zapparrata, O / Zas, E / Zavrtanik, D / Zavrtanik, M / Zehrer, L

Physical review letters

2023 Volume 130, Issue 6, Page(s) 61001

Abstract: Instantons, which are nonperturbative solutions to Yang-Mills equations, provide a signal for the occurrence of quantum tunneling between distinct classes of vacua. They can give rise to decays of particles otherwise forbidden. Using data collected at ... ...

Abstract	Instantons, which are nonperturbative solutions to Yang-Mills equations, provide a signal for the occurrence of quantum tunneling between distinct classes of vacua. They can give rise to decays of particles otherwise forbidden. Using data collected at the Pierre Auger Observatory, we search for signatures of such instanton-induced processes that would be suggestive of super-heavy particles decaying in the Galactic halo. These particles could have been produced during the post-inflationary epoch and match the relic abundance of dark matter inferred today. The nonobservation of the signatures searched for allows us to derive a bound on the reduced coupling constant of gauge interactions in the dark sector: α_{X}≲0.09, for 10^{9}≲M_{X}/GeV<10^{19}. Conversely, we obtain that, for instance, a reduced coupling constant α_{X}=0.09 excludes masses M_{X}≳3×10^{13} GeV. In the context of dark matter production from gravitational interactions alone, we illustrate how these bounds are complementary to those obtained on the Hubble rate at the end of inflation from the nonobservation of tensor modes in the cosmological microwave background.
Language	English
Publishing date	2023-02-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.130.061001
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Article ; Online: Publisher Correction: Very-high-energy particle acceleration powered by the jets of the microquasar SS 433.

Abeysekara, A U / Albert, A / Alfaro, R / Alvarez, C / Álvarez, J D / Arceo, R / Arteaga-Velázquez, J C / Avila Rojas, D / Ayala Solares, H A / Belmont-Moreno, E / BenZvi, S Y / Brisbois, C / Caballero-Mora, K S / Capistrán, T / Carramiñana, A / Casanova, S / Castillo, M / Cotti, U / Cotzomi, J /

Coutiño de León, S / De León, C / De la Fuente, E / Díaz-Vélez, J C / Dichiara, S / Dingus, B L / DuVernois, M A / Ellsworth, R W / Engel, K / Espinoza, C / Fang, K / Fleischhack, H / Fraija, N / Galván-Gámez, A / García-González, J A / Garfias, F / González-Muñoz, A / González, M M / Goodman, J A / Hampel-Arias, Z / Harding, J P / Hernandez, S / Hinton, J / Hona, B / Hueyotl-Zahuantitla, F / Hui, C M / Hüntemeyer, P / Iriarte, A / Jardin-Blicq, A / Joshi, V / Kaufmann, S / Kar, P / Kunde, G J / Lauer, R J / Lee, W H / León Vargas, H / Li, H / Linnemann, J T / Longinotti, A L / Luis-Raya, G / López-Coto, R / Malone, K / Marinelli, S S / Martinez, O / Martinez-Castellanos, I / Martínez-Castro, J / Matthews, J A / Miranda-Romagnoli, P / Moreno, E / Mostafá, M / Nayerhoda, A / Nellen, L / Newbold, M / Nisa, M U / Noriega-Papaqui, R / Pretz, J / Pérez-Pérez, E G / Ren, Z / Rho, C D / Rivière, C / Rosa-González, D / Rosenberg, M / Ruiz-Velasco, E / Salesa Greus, F / Sandoval, A / Schneider, M / Schoorlemmer, H / Seglar Arroyo, M / Sinnis, G / Smith, A J / Springer, R W / Surajbali, P / Taboada, I / Tibolla, O / Tollefson, K / Torres, I / Vianello, G / Villaseñor, L / Weisgarber, T / Werner, F / Westerhoff, S / Wood, J / Yapici, T / Yodh, G / Zepeda, A / Zhang, H / Zhou, H

Nature

2018 Volume 564, Issue 7736, Page(s) E38

Abstract: In this Letter, owing to a production error, the penultimate version of the PDF was published. The HTML version was always correct. The PDF has been corrected online. ...

Abstract	In this Letter, owing to a production error, the penultimate version of the PDF was published. The HTML version was always correct. The PDF has been corrected online.
Language	English
Publishing date	2018-09-12
Publishing country	England
Document type	Journal Article ; Published Erratum
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/s41586-018-0688-8
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Article ; Online: Very-high-energy particle acceleration powered by the jets of the microquasar SS 433.

Nature

2018 Volume 562, Issue 7725, Page(s) 82–85

Abstract: SS 433 is a binary system containing a supergiant star that is overflowing its Roche lobe with matter accreting onto a compact object (either a black hole or neutron star) ...

Abstract	SS 433 is a binary system containing a supergiant star that is overflowing its Roche lobe with matter accreting onto a compact object (either a black hole or neutron star)
Language	English
Publishing date	2018-10-03
Publishing country	England
Document type	Journal Article
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/s41586-018-0565-5
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