Impact of the Universe's expansion rate on constraints on modified growth of structure

Physical Review D American Physical Society 106:8 (2022) 83523

Authors:

Jaime Ruiz-Zapatero, David Alonso, Pedro G Ferreira, Carlos Garcia-Garcia

Abstract:

In the context of modified gravity, at the linear level, the growth of structure in the Universe will be affected by modifications to the Poisson equation and by the background expansion rate of the Universe. It has been shown that these two effects lead to a degeneracy which must be properly accounted for if one is to place reliable constraints on new forces on large scales or, equivalently, modifications to general relativity. In this paper we show that current constraints are such that assumptions about the background expansion have little impact on constraints on modifications to gravity. We do so by considering the background of a flat, Λ cold dark matter universe, a universe with a more general equation of state for the dark energy, and finally, a general, model-independent, expansion rate. We use Gaussian processes to model modifications to Poisson's equation and, in the case of a general expansion rate, to model the redshift-dependent Hubble rate. We identify a degeneracy between modifications to Poisson's equation and the background matter density, ωM, which can only be broken by assuming a model-dependent expansion rate. We show that, with current data, the constraints on modifications to the Poisson equation via measurements of the growth rate range between 10-20% depending on the strength of our assumptions on the Universe's expansion rate.

Search and identification of transient and variable radio sources using MeerKAT observations: a case study on the MAXI J1820+070 field

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 517:2 (2022) 2894-2911

Authors:

A Rowlinson, J Meijn, J Bright, AJ van der Horst, S Chastain, S Fijma, R Fender, I Heywood, RAMJ Wijers, PA Woudt, A Andersson, GR Sivakoff, E Tremou, LN Driessen

Finding high-redshift gamma-ray bursts in tandem near-infrared and optical surveys

(2022)

Authors:

S Campana, G Ghirlanda, R Salvaterra, OA Gonzalez, M Landoni, G Pariani, A Riva5, M Riva, SJ Smartt, NR Tanvir, SD Vergani

Separation of track- and shower-like energy deposits in ProtoDUNE-SP using a convolutional neural network

European Physical Journal C Springer Nature 82:10 (2022) 903

Authors:

A Abed Abud, B Abi, R Acciarri, MA Acero, MR Adames, G Adamov, M Adamowski, D Adams, M Adinolfi, A Aduszkiewicz, J Aguilar, Z Ahmad, J Ahmed, B Aimard, B Ali-Mohammadzadeh, T Alion, K Allison, S Alonso Monsalve, M AlRashed, C Alt, A Alton, R Alvarez, P Amedo, J Anderson, C Andreopoulos, M Andreotti, M Andrews, F Andrianala, S Andringa, N Anfimov, A Ankowski, M Antoniassi, M Antonova, A Antoshkin, S Antusch, A Aranda-Fernandez, L Arellano, LO Arnold, MA Arroyave, J Asaadi, L Asquith, A Aurisano, V Aushev, D Autiero, V Ayala Lara, M Ayala-Torres, F Azfar, M Babicz, A Back, H Back, JJ Back, C Backhouse, I Bagaturia, L Bagby, N Balashov, S Balasubramanian, P Baldi, B Baller, B Bambah, F Barao, G Barenboim, G Barker, W Barkhouse, C Barnes, G Barr, J Barranco Monarca, A Barros, N Barros, JL Barrow, A Basharina-Freshville, A Bashyal, V Basque, C Batchelor, E Batista das Chagas, J Battat, F Battisti, F Bay, MCQ Bazetto, J Bazo Alba, JF Beacom, E Bechetoille, B Behera, C Beigbeder, L Bellantoni, G Bellettini, V Bellini, O Beltramello, N Benekos, C Benitez Montiel, F Bento Neves, J Berger, S Berkman, P Bernardini, RM Berner, A Bersani, S Bertolucci, M Betancourt, A Betancur Rodríguez, A Bevan, Y Bezawada, TS Bezerra, A Bhardwaj, V Bhatnagar, M Bhattacharjee, D Bhattarai, S Bhuller, B Bhuyan, S Biagi, J Bian, M Biassoni, K Biery, B Bilki, M Bishai, A Bitadze, A Blake, F Blaszczyk, G Blazey, E Blucher, J Boissevain, S Bolognesi, T Bolton, L Bomben, M Bonesini, M Bongrand, C Bonilla-Diaz, F Bonini, A Booth, F Boran, S Bordoni, A Borkum, N Bostan, P Bour, C Bourgeois, D Boyden, J Bracinik, D Braga, D Brailsford, A Branca, A Brandt, J Bremer, D Breton, C Brew, SJ Brice, C Brizzolari, C Bromberg, J Brooke, A Bross, G Brunetti, M Brunetti, N Buchanan, H Budd, I Butorov, I Cagnoli, T Cai, D Caiulo, R Calabrese, P Calafiura, J Calcutt, M Calin, S Calvez, E Calvo, A Caminata, M Campanelli, D Caratelli, D Carber, J Carceller, G Carini, B Carlus, MF Carneiro, P Carniti, I Caro Terrazas, H Carranza, T Carroll, JF Castaño Forero, A Castillo, C Castromonte, E Catano-Mur, C Cattadori, F Cavalier, G Cavallaro, F Cavanna, S Centro, G Cerati, A Cervelli, A Cervera Villanueva, M Chalifour, A Chappell, E Chardonnet, N Charitonidis, A Chatterjee, S Chattopadhyay, M Chavarry Neyra, H Chen, M Chen, Y Chen, Z Chen, Z Chen-Wishart, Y Cheon, D Cherdack, C Chi, S Childress, R Chirco, A Chiriacescu, G Chisnall, K Cho, S Choate, D Chokheli, PS Chong, A Christensen, D Christian, G Christodoulou, A Chukanov, M Chung, E Church, V Cicero, P Clarke, G Cline, TE Coan, AG Cocco, J Coelho, N Colton, E Conley, R Conley, J Conrad, M Convery, S Copello, P Cova, L Cremaldi, L Cremonesi, JI Crespo-Anadón, M Crisler, E Cristaldo, J Crnkovic, R Cross, A Cudd, C Cuesta, Y Cui, D Cussans, O Dalager, H Da Motta, L Da Silva Peres, C David, Q David, GS Davies, S Davini, J Dawson, K De, S De, P Debbins, I De Bonis, M Decowski, A De Gouvea, PC De Holanda, IL De Icaza Astiz, A Deisting, P De Jong, A Delbart, D Delepine, M Delgado, A Dell’Acqua, N Delmonte, P De Lurgio, JR De Mello Neto, DM DeMuth, S Dennis, C Densham, GW Deptuch, A De Roeck, V De Romeri, G De Souza, R Devi, R Dharmapalan, M Dias, F Diaz, J Diaz, S Di Domizio, L Di Giulio, P Ding, L Di Noto, G Dirkx, C Distefano, R Diurba, M Diwan, Z Djurcic, D Doering, S Dolan, F Dolek, M Dolinski, L Domine, Y Donon, D Douglas, D Douillet, A Dragone, G Drake, F Drielsma, L Duarte, D Duchesneau, K Duffy, P Dunne, B Dutta, H Duyang, O Dvornikov, D Dwyer, A Dyshkant, M Eads, A Earle, D Edmunds, J Eisch, L Emberger, S Emery, P Englezos, A Ereditato, T Erjavec, C Escobar, G Eurin, JJ Evans, E Ewart, AC Ezeribe, K Fahey, A Falcone, M Fani’, C Farnese, Y Farzan, D Fedoseev, J Felix, Y Feng, E Fernandez-Martinez, P Fernandez Menendez, M Fernandez Morales, F Ferraro, L Fields, P Filip, F Filthaut, M Fiorini, V Fischer, RS Fitzpatrick, W Flanagan, B Fleming, R Flight, S Fogarty, W Foreman, J Fowler, W Fox, J Franc, K Francis, D Franco, J Freeman, J Freestone, J Fried, A Friedland, F Fuentes Robayo, S Fuess, IK Furic, K Furman, AP Furmanski, A Gabrielli, A Gago, H Gallagher, A Gallas, A Gallego-Ros, N Gallice, V Galymov, E Gamberini, T Gamble, F Ganacim, R Gandhi, R Gandrajula, F Gao, S Gao, D Garcia-Gamez, MÁ García-Peris, S Gardiner, D Gastler, J Gauvreau, G Ge, N Geffroy, B Gelli, A Gendotti, S Gent, Z Ghorbani-Moghaddam, P Giammaria, T Giammaria, N Giangiacomi, D Gibin, I Gil-Botella, S Gilligan, C Girerd, A Giri, D Gnani, O Gogota, M Gold, S Gollapinni, K Gollwitzer, RA Gomes, L Gomez Bermeo, LS Gomez Fajardo, F Gonnella, D Gonzalez-Diaz, M Gonzalez-Lopez, MC Goodman, O Goodwin, S Goswami, C Gotti, E Goudzovski, C Grace, R Gran, E Granados, P Granger, A Grant, C Grant, D Gratieri, P Green, L Greenler, J Greer, J Grenard, C Griffith, M Groh, J Grudzinski, K Grzelak, W Gu, E Guardincerri, V Guarino, M Guarise, R Guenette, E Guerard, M Guerzoni, D Guffanti, A Guglielmi, B Guo, A Gupta, V Gupta, K Guthikonda, R Gutierrez, P Guzowski, MM Guzzo, S Gwon, C Ha, K Haaf, A Habig, H Hadavand, R Haenni, A Hahn, J Haiston, P Hamacher-Baumann, T Hamernik, P Hamilton, J Han, DA Harris, J Hartnell, T Hartnett, J Harton, T Hasegawa, C Hasnip, R Hatcher, KW Hatfield, A Hatzikoutelis, C Hayes, K Hayrapetyan, J Hays, E Hazen, M He, A Heavey, KM Heeger, J Heise, S Henry, M Hernandez Morquecho, K Herner, J Hewes, C Hilgenberg, T Hill, SJ Hillier, A Himmel, E Hinkle, LR Hirsch, J Ho, J Hoff, A Holin, E Hoppe, GA Horton-Smith, M Hostert, A Hourlier, B Howard, R Howell, J Hoyos, I Hristova, MS Hronek, J Huang, Z Hulcher, G Iles, N Ilic, AM Iliescu, R Illingworth, G Ingratta, A Ioannisian, B Irwin, L Isenhower, R Itay, CM Jackson, V Jain, E James, W Jang, B Jargowsky, F Jediny, D Jena, Y Jeong, C Jesús-Valls, X Ji, L Jiang, S Jiménez, A Jipa, R Johnson, W Johnson, N Johnston, B Jones, S Jones, M Judah, C Jung, T Junk, Y Jwa, M Kabirnezhad, A Kaboth, I Kadenko, I Kakorin, A Kalitkina, D Kalra, F Kamiya, N Kaneshige, DM Kaplan, G Karagiorgi, G Karaman, A Karcher, M Karolak, Y Karyotakis, S Kasai, SP Kasetti, L Kashur, N Kazaryan, E Kearns, P Keener, KJ Kelly, E Kemp, O Kemularia, W Ketchum, SH Kettell, M Khabibullin, A Khotjantsev, A Khvedelidze, D Kim, B King, B Kirby, M Kirby, J Klein, A Klustova, T Kobilarcik, K Koehler, LW Koerner, DH Koh, S Kohn, PP Koller, L Kolupaeva, D Korablev, M Kordosky, T Kosc, U Kose, V Kostelecky, K Kothekar, R Kralik, L Kreczko, F Krennrich, I Kreslo, W Kropp, T Kroupova, S Kubota, Y Kudenko, VA Kudryavtsev, S Kulagin, J Kumar, P Kumar, P Kunze, N Kurita, C Kuruppu, V Kus, T Kutter, J Kvasnicka, D Kwak, A Lambert, B Land, CE Lane, K Lang, T Langford, M Langstaff, J Larkin, P Lasorak, D Last, A Laundrie, G Laurenti, A Lawrence, I Lazanu, R LaZur, M Lazzaroni, T Le, S Leardini, J Learned, P LeBrun, T LeCompte, C Lee, S Lee, G Lehmann Miotto, R Lehnert, M Leigui de Oliveira, M Leitner, LM Lepin, S Li, Y Li, H Liao, C Lin, Q Lin, S Lin, RA Lineros, J Ling, A Lister, BR Littlejohn, J Liu, Y Liu, S Lockwitz, T Loew, M Lokajicek, I Lomidze, K Long, T Lord, J LoSecco, WC Louis, X Lu, K Luk, B Lunday, X Luo, E Luppi, T Lux, VP Luzio, J Maalmi, D MacFarlane, A Machado, P Machado, C Macias, J Macier, A Maddalena, A Madera, P Madigan, S Magill, K Mahn, A Maio, A Major, JA Maloney, G Mandrioli, RC Mandujano, JC Maneira, L Manenti, S Manly, A Mann, K Manolopoulos, M Manrique Plata, VN Manyam, L Manzanillas, M Marchan, A Marchionni, W Marciano, D Marfatia, C Mariani, J Maricic, R Marie, F Marinho, AD Marino, D Marsden, M Marshak, C Marshall, J Marshall, J Marteau, J Martin-Albo, N Martinez, DA Martinez Caicedo, P Martínez Miravé, S Martynenko, V Mascagna, K Mason, A Mastbaum, F Matichard, S Matsuno, J Matthews, C Mauger, N Mauri, K Mavrokoridis, I Mawby, R Mazza, A Mazzacane, E Mazzucato, T McAskill, E McCluskey, N McConkey, KS McFarland, C McGrew, A McNab, A Mefodiev, P Mehta, P Melas, O Mena, H Mendez, P Mendez, DP Méndez, A Menegolli, G Meng, M Messier, W Metcalf, T Mettler, M Mewes, H Meyer, T Miao, G Michna, T Miedema, V Mikola, R Milincic, G Miller, W Miller, J Mills, O Mineev, A Minotti, OG Miranda, S Miryala, C Mishra, S Mishra, A Mislivec, M Mitchell, D Mladenov, I Mocioiu, K Moffat, N Moggi, R Mohanta, TA Mohayai, N Mokhov, JA Molina, L Molina Bueno, E Montagna, A Montanari, C Montanari, D Montanari, LM Montano Zetina, S Moon, M Mooney, AF Moor, D Moreno, D Moretti, C Morris, C Mossey, M Mote, E Motuk, CA Moura, J Mousseau, G Mouster, W Mu, L Mualem, J Mueller, M Muether, S Mufson, F Muheim, A Muir, M Mulhearn, D Munford, H Muramatsu, S Murphy, J Musser, J Nachtman, S Nagu, M Nalbandyan, R Nandakumar, D Naples, S Narita, A Nath, A Navrer-Agasson, N Nayak, M Nebot-Guinot, K Negishi, JK Nelson, J Nesbit, M Nessi, D Newbold, M Newcomer, H Newton, R Nichol, F Nicolas-Arnaldos, A Nikolica, E Niner, K Nishimura, A Norman, A Norrick, R Northrop, P Novella, JA Nowak, M Oberling, J Ochoa-Ricoux, A Olivier, A Olshevskiy, Y Onel, Y Onishchuk, J Ott, L Pagani, G Palacio, O Palamara, S Palestini, JM Paley, M Pallavicini, C Palomares, W Panduro Vazquez, E Pantic, V Paolone, V Papadimitriou, R Papaleo, A Papanestis, S Paramesvaran, S Parke, E Parozzi, Z Parsa, M Parvu, S Pascoli, L Pasqualini, J Pasternak, J Pater, C Patrick, L Patrizii, RB Patterson, S Patton, T Patzak, A Paudel, B Paulos, L Paulucci, Z Pavlovic, G Pawloski, D Payne, V Pec, SJ Peeters, A Pena Perez, E Pennacchio, A Penzo, OL Peres, J Perry, D Pershey, G Pessina, G Petrillo, C Petta, R Petti, V Pia, F Piastra, L Pickering, F Pietropaolo, VL Pimentel, G Pinaroli, K Plows, R Plunkett, R Poling, F Pompa, X Pons, N Poonthottathil, F Poppi, S Pordes, J Porter, M Potekhin, R Potenza, BV Potukuchi, J Pozimski, M Pozzato, S Prakash, T Prakash, M Prest, S Prince, F Psihas, D Pugnere, X Qian, J Raaf, V Radeka, J Rademacker, B Radics, A Rafique, E Raguzin, M Rai, M Rajaoalisoa, I Rakhno, A Rakotonandrasana, L Rakotondravohitra, R Rameika, M Ramirez Delgado, B Ramson, A Rappoldi, G Raselli, P Ratoff, S Raut, R Razakamiandra, E Rea, J Real, B Rebel, R Rechenmacher, M Reggiani-Guzzo, J Reichenbacher, SD Reitzner, H Rejeb Sfar, A Renshaw, S Rescia, F Resnati, A Reynolds, M Ribas, S Riboldi, C Riccio, G Riccobene, LC Rice, J Ricol, A Rigamonti, Y Rigaut, EV Rincón, H Ritchie-Yates, D Rivera, A Robert, L Rochester, M Roda, P Rodrigues, MJ Rodriguez Alonso, E Rodriguez Bonilla, J Rodriguez Rondon, S Rosauro-Alcaraz, M Rosenberg, P Rosier, B Roskovec, M Rossella, M Rossi, J Rout, P Roy, A Rubbia, C Rubbia, B Russell, D Ruterbories, A Rybnikov, A Saa-Hernandez, R Saakyan, S Sacerdoti, T Safford, N Sahu, P Sala, N Samios, O Samoylov, M Sanchez, V Sandberg, DA Sanders, D Sankey, S Santana, M Santos-Maldonado, N Saoulidou, P Sapienza, C Sarasty, I Sarcevic, G Savage, V Savinov, A Scaramelli, A Scarff, A Scarpelli, T Schefke, H Schellman, S Schifano, P Schlabach, D Schmitz, AW Schneider, K Scholberg, A Schukraft, E Segreto, A Selyunin, CR Senise, J Sensenig, A Sergi, D Sgalaberna, M Shaevitz, S Shafaq, F Shaker, M Shamma, R Sharankova, HR Sharma, R Sharma, RK Sharma, T Shaw, K Shchablo, C Shepherd-Themistocleous, A Sheshukov, S Shin, I Shoemaker, D Shooltz, R Shrock, H Siegel, L Simard, J Sinclair, G Sinev, J Singh, J Singh, L Singh, P Singh, V Singh, R Sipos, F Sippach, G Sirri, A Sitraka, K Siyeon, K Skarpaas, A Smith, E Smith, P Smith, J Smolik, M Smy, E Snider, P Snopok, D Snowden-Ifft, M Soares Nunes, H Sobel, M Soderberg, S Sokolov, CJ Solano Salinas, S Söldner-Rembold, S Soleti, N Solomey, V Solovov, WE Sondheim, M Sorel, A Sotnikov, J Soto-Oton, F Soto Ugaldi, A Sousa, K Soustruznik, F Spagliardi, M Spanu, J Spitz, NJC Spooner, K Spurgeon, M Stancari, L Stanco, C Stanford, D Stefan, R Stein, H Steiner, AF Steklain Lisbôa, J Stewart, B Stillwell, J Stock, F Stocker, T Stokes, M Strait, T Strauss, L Strigari, A Stuart, JG Suarez, J Suárez Sunción, R Sulej, H Sullivan, D Summers, A Surdo, V Susic, L Suter, C Sutera, R Svoboda, B Szczerbinska, AM Szelc, H Tanaka, S Tang, A Tapia, B Tapia Oregui, A Tapper, S Tariq, E Tarpara, N Tata, E Tatar, R Tayloe, A Teklu, P Tennessen, M Tenti, K Terao, CA Ternes, F Terranova, G Testera, T Thakore, A Thea, JL Thompson, C Thorn, S Timm, V Tishchenko, L Tomassetti, A Tonazzo, D Torbunov, M Torti, M Tortola, F Tortorici, N Tosi, D Totani, M Toups, C Touramanis, R Travaglini, J Trevor, S Trilov, WH Trzaska, Y Tsai, Y Tsai, Z Tsamalaidze, K Tsang, N Tsverava, S Tufanli, C Tull, E Tyley, M Tzanov, L Uboldi, MA Uchida, J Urheim, T Usher, S Uzunyan, MR Vagins, P Vahle, S Valder, GA Valdiviesso, E Valencia, R Valentim, Z Vallari, E Vallazza, JW Valle, S Vallecorsa, R Van Berg, RG Van de Water, D Vanegas Forero, D Vannerom, F Varanini, D Vargas, G Varner, J Vasel, S Vasina, G Vasseur, N Vaughan, K Vaziri, S Ventura, A Verdugo, S Vergani, MA Vermeulen, M Verzocchi, M Vicenzi, H Vieira de Souza, C Vignoli, C Vilela, B Viren, T Vrba, T Wachala, AV Waldron, M Wallbank, C Wallis, H Wang, J Wang, L Wang, MH Wang, X Wang, Y Wang, Y Wang, K Warburton, D Warner, M Wascko, D Waters, A Watson, K Wawrowska, P Weatherly, A Weber, M Weber, H Wei, A Weinstein, D Wenman, M Wetstein, A White, LH Whitehead, D Whittington, MJ Wilking, A Wilkinson, C Wilkinson, Z Williams, F Wilson, RJ Wilson, W Wisniewski, J Wolcott, T Wongjirad, A Wood, K Wood, E Worcester, M Worcester, K Wresilo, C Wret, W Wu, W Wu, Y Xiao, F Xie, B Yaeggy, E Yandel, G Yang, K Yang, T Yang, A Yankelevich, N Yershov, K Yonehara, Y Yoon, T Young, B Yu, H Yu, H Yu, J Yu, Y Yu, W Yuan, R Zaki, J Zalesak, L Zambelli, B Zamorano, A Zani, L Zazueta, G Zeller, J Zennamo, K Zeug, C Zhang, S Zhang, Y Zhang, M Zhao, E Zhivun, G Zhu, ED Zimmerman, S Zucchelli, J Zuklin, V Zutshi, R Zwaska

A refined dynamical mass for the black hole in the X-ray transient XTE J1859+226

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 517:1 (2022) 1476-1482

Authors:

IV Yanes-Rizo, MAP Torres, J Casares, SE Motta, T Muñoz-Darias, P Rodríguez-Gil, M Armas Padilla, F Jiménez-Ibarra, PG Jonker, JM Corral-Santana, R Fender