Search for Higgs Boson Decays into a Z Boson and a Light Hadronically Decaying Resonance Using 13 TeV pp Collision Data from the ATLAS Detector

Physical Review Letters American Physical Society (APS) 125:22 (2020) 221802

Authors:

G Aad, B Abbott, DC Abbott, A Abed Abud, K Abeling, DK Abhayasinghe, SH Abidi, OS AbouZeid, NL Abraham, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, B Achkar, L Adam, C Adam Bourdarios, L Adamczyk, L Adamek, J Adelman, M Adersberger, A Adiguzel, S Adorni, T Adye, AA Affolder, Y Afik, C Agapopoulou, MN Agaras, A Aggarwal, C Agheorghiesei, JA Aguilar-Saavedra, A Ahmad, F Ahmadov, WS Ahmed, X Ai, G Aielli, S Akatsuka, TPA Åkesson, E Akilli, AV Akimov, K Al Khoury, GL Alberghi, J Albert, MJ Alconada Verzini, S Alderweireldt, M Aleksa, IN Aleksandrov, C Alexa, T Alexopoulos, A Alfonsi, F Alfonsi, M Alhroob, B Ali, S Ali, M Aliev, G Alimonti, C Allaire, BMM Allbrooke, BW Allen, PP Allport, A Aloisio, F Alonso, C Alpigiani, E Alunno Camelia, M Alvarez Estevez, MG Alviggi, Y Amaral Coutinho, A Ambler, L Ambroz, C Amelung, D Amidei, SP Amor Dos Santos, S Amoroso, CS Amrouche, F An, C Anastopoulos, N Andari, T Andeen, JK Anders, SY Andrean, A Andreazza, V Andrei, CR Anelli, S Angelidakis, A Angerami, AV Anisenkov, A Annovi, C Antel, MT Anthony, E Antipov, M Antonelli, DJA Antrim, F Anulli, M Aoki, JA Aparisi Pozo, MA Aparo, L Aperio Bella, N Aranzabal, V Araujo Ferraz, R Araujo Pereira, C Arcangeletti, ATH Arce, FA Arduh, J-F Arguin, S Argyropoulos, J-H Arling, AJ Armbruster, A Armstrong, O Arnaez, H Arnold, ZP Arrubarrena Tame, G Artoni, K Asai, S Asai, T Asawatavonvanich, N Asbah, EM Asimakopoulou, L Asquith, J Assahsah, K Assamagan, R Astalos, RJ Atkin, M Atkinson, NB Atlay, H Atmani, K Augsten, VA Austrup, G Avolio, MK Ayoub, G Azuelos, H Bachacou, K Bachas, M Backes, F Backman, P Bagnaia, M Bahmani, H Bahrasemani, AJ Bailey, VR Bailey, JT Baines, C Bakalis, OK Baker, PJ Bakker, E Bakos, D Bakshi Gupta, S Balaji, EM Baldin, P Balek, F Balli, WK Balunas, J Balz, E Banas, M Bandieramonte, A Bandyopadhyay, Sw Banerjee, L Barak, WM Barbe, EL Barberio, D Barberis, M Barbero, G Barbour, T Barillari, M-S Barisits, J Barkeloo, T Barklow, R Barnea, BM Barnett, RM Barnett, Z Barnovska-Blenessy, A Baroncelli, G Barone, AJ Barr, L Barranco Navarro, F Barreiro, J Barreiro Guimarães da Costa, U Barron, S Barsov, F Bartels, R Bartoldus, G Bartolini, AE Barton, P Bartos, A Basalaev, A Basan, A Bassalat, MJ Basso, RL Bates, S Batlamous, JR Batley, B Batool, M Battaglia, M Bauce, F Bauer, KT Bauer, HS Bawa, JB Beacham, T Beau, PH Beauchemin, F Becherer, P Bechtle, HC Beck, HP Beck, K Becker, C Becot, A Beddall, AJ Beddall, VA Bednyakov, M Bedognetti, CP Bee, TA Beermann, M Begalli, M Begel, A Behera, JK Behr, F Beisiegel, M Belfkir, AS Bell, G Bella, L Bellagamba, A Bellerive, P Bellos, K Beloborodov, K Belotskiy, NL Belyaev, D Benchekroun, N Benekos, Y Benhammou, DP Benjamin, M Benoit, JR Bensinger, S Bentvelsen, L Beresford, M Beretta, D Berge, E Bergeaas Kuutmann, N Berger, B Bergmann, LJ Bergsten, J Beringer, S Berlendis, G Bernardi, C Bernius, FU Bernlochner, T Berry, P Berta, C Bertella, A Berthold, IA Bertram, O Bessidskaia Bylund, N Besson, A Bethani, S Bethke, A Betti, AJ Bevan, J Beyer, DS Bhattacharya, P Bhattarai, VS Bhopatkar, R Bi, RM Bianchi, O Biebel, D Biedermann, R Bielski, K Bierwagen, NV Biesuz, M Biglietti, TRV Billoud, M Bindi, A Bingul, C Bini, S Biondi, CJ Birch-sykes, M Birman, T Bisanz, JP Biswal, D Biswas, A Bitadze, C Bittrich, K Bjørke, T Blazek, I Bloch, C Blocker, A Blue, U Blumenschein, GJ Bobbink, VS Bobrovnikov, SS Bocchetta, D Bogavac, AG Bogdanchikov, C Bohm, V Boisvert, P Bokan, T Bold, AE Bolz, M Bomben, M Bona, JS Bonilla, M Boonekamp, CD Booth, HM Borecka-Bielska, LS Borgna, A Borisov, G Borissov, J Bortfeldt, D Bortoletto, D Boscherini, M Bosman, JD Bossio Sola, K Bouaouda, J Boudreau, EV Bouhova-Thacker, D Boumediene, SK Boutle, A Boveia, J Boyd, D Boye, IR Boyko, AJ Bozson, J Bracinik, N Brahimi, G Brandt, O Brandt, F Braren, B Brau, JE Brau, WD Breaden Madden, K Brendlinger, L Brenner, R Brenner, S Bressler, B Brickwedde, DL Briglin, D Britton, D Britzger, I Brock, R Brock, G Brooijmans, WK Brooks, E Brost, PA Bruckman de Renstrom, B Brüers, D Bruncko, A Bruni, G Bruni, LS Bruni, S Bruno, M Bruschi, N Bruscino, L Bryngemark, T Buanes, Q Buat, P Buchholz, AG Buckley, IA Budagov, MK Bugge, F Bührer, O Bulekov, BA Bullard, TJ Burch, S Burdin, CD Burgard, AM Burger, B Burghgrave, JTP Burr, CD Burton, JC Burzynski, V Büscher, E Buschmann, PJ Bussey, JM Butler, CM Buttar, JM Butterworth, P Butti, W Buttinger, CJ Buxo Vazquez, A Buzatu, AR Buzykaev, G Cabras, S Cabrera Urbán, D Caforio, H Cai, VMM Cairo, O Cakir, N Calace, P Calafiura, G Calderini, P Calfayan, G Callea, LP Caloba, A Caltabiano, S Calvente Lopez, D Calvet, S Calvet, TP Calvet, M Calvetti, R Camacho Toro, S Camarda, D Camarero Munoz, P Camarri, MT Camerlingo, D Cameron, C Camincher, S Campana, M Campanelli, A Camplani, V Canale, A Canesse, M Cano Bret, J Cantero, T Cao, Y Cao, MDM Capeans Garrido, M Capua, R Cardarelli, F Cardillo, G Carducci, I Carli, T Carli, G Carlino, BT Carlson, EM Carlson, L Carminati, RMD Carney, S Caron, E Carquin, S Carrá, G Carratta, JWS Carter, TM Carter, MP Casado, AF Casha, FL Castillo, L Castillo Garcia, V Castillo Gimenez, NF Castro, A Catinaccio, JR Catmore, A Cattai, V Cavaliere, E Cavallaro, V Cavasinni, E Celebi, F Celli, K Cerny, AS Cerqueira, A Cerri, L Cerrito, F Cerutti, A Cervelli, SA Cetin, Z Chadi, D Chakraborty, J Chan, WS Chan, WY Chan, JD Chapman, B Chargeishvili, DG Charlton, TP Charman, CC Chau, S Che, S Chekanov, SV Chekulaev, GA Chelkov, B Chen, C Chen, CH Chen, H Chen, J Chen, J Chen, J Chen, S Chen, SJ Chen, X Chen, Y Chen, Y-H Chen, HC Cheng, HJ Cheng, A Cheplakov, E Cheremushkina, R Cherkaoui El Moursli, E Cheu, K Cheung, TJA Chevalérias, L Chevalier, V Chiarella, G Chiarelli, G Chiodini, AS Chisholm, A Chitan, I Chiu, YH Chiu, MV Chizhov, K Choi, AR Chomont, S Chouridou, YS Chow, LD Christopher, MC Chu, X Chu, J Chudoba, JJ Chwastowski, L Chytka, D Cieri, KM Ciesla, D Cinca, V Cindro, IA Cioară, A Ciocio, F Cirotto, ZH Citron, M Citterio, DA Ciubotaru, BM Ciungu, A Clark, MR Clark, PJ Clark, SE Clawson, C Clement, Y Coadou, M Cobal, A Coccaro, J Cochran, R Coelho Lopes De, H Cohen, AEC Coimbra, B Cole, AP Colijn, J Collot, P Conde Muiño, SH Connell, IA Connelly, S Constantinescu, F Conventi, AM Cooper-Sarkar, F Cormier, KJR Cormier, LD Corpe, M Corradi, EE Corrigan, F Corriveau, MJ Costa, F Costanza, D Costanzo, G Cowan, JW Cowley, J Crane, K Cranmer, RA Creager, S Crépé-Renaudin, F Crescioli, M Cristinziani, V Croft, G Crosetti, A Cueto, T Cuhadar Donszelmann, H Cui, AR Cukierman, WR Cunningham, S Czekierda, P Czodrowski, MM Czurylo, MJ Da Cunha Sargedas De Sousa, JV Da Fonseca Pinto, C Da Via, W Dabrowski, F Dachs, T Dado, S Dahbi, T Dai, C Dallapiccola, M Dam, G D’amen, V D’Amico, J Damp, JR Dandoy, MF Daneri, M Danninger, V Dao, G Darbo, O Dartsi, A Dattagupta, T Daubney, S D’Auria, C David, T Davidek, DR Davis, I Dawson, K De, R De Asmundis, M De Beurs, S De Castro, N De Groot, P de Jong, H De la Torre, A De Maria, D De Pedis, A De Salvo, U De Sanctis, M De Santis, A De Santo, JB De Vivie De Regie, C Debenedetti, DV Dedovich, AM Deiana, J Del Peso, Y Delabat Diaz, D Delgove, F Deliot, CM Delitzsch, M Della Pietra, D Della Volpe, A Dell’Acqua, L Dell’Asta, M Delmastro, C Delporte, PA Delsart, DA DeMarco, S Demers, M Demichev, G Demontigny, SP Denisov, L D’Eramo, D Derendarz, JE Derkaoui, F Derue, P Dervan, K Desch, K Dette, C Deutsch, MR Devesa, PO Deviveiros, FA Di Bello, A Di Ciaccio, L Di Ciaccio, WK Di Clemente, C Di Donato, A Di Girolamo, G Di Gregorio, B Di Micco, R Di Nardo, KF Di Petrillo, R Di Sipio, C Diaconu, FA Dias, T Dias Do Vale, MA Diaz, FG Diaz Capriles, J Dickinson, EB Diehl, J Dietrich, S Díez Cornell, A Dimitrievska, W Ding, J Dingfelder, SJ Dittmeier, F Dittus, F Djama, T Djobava, JI Djuvsland, MAB Do Vale, M Dobre, D Dodsworth, C Doglioni, J Dolejsi, Z Dolezal, M Donadelli, B Dong, J Donini, A D’onofrio, M D’Onofrio, J Dopke, A Doria, MT Dova, AT Doyle, E Drechsler, E Dreyer, T Dreyer, AS Drobac, D Du, TA du Pree, Y Duan, F Dubinin, M Dubovsky, A Dubreuil, E Duchovni, G Duckeck, OA Ducu, D Duda, A Dudarev, AC Dudder, EM Duffield, M D’uffizi, L Duflot, M Dührssen, C Dülsen, M Dumancic, AE Dumitriu, AK Duncan, M Dunford, A Duperrin, H Duran Yildiz, M Düren, A Durglishvili, D Duschinger, B Dutta, D Duvnjak, GI Dyckes, M Dyndal, S Dysch, BS Dziedzic, MG Eggleston, T Eifert, G Eigen, K Einsweiler, T Ekelof, H El Jarrari, V Ellajosyula, M Ellert, F Ellinghaus, AA Elliot, N Ellis, J Elmsheuser, M Elsing, D Emeliyanov, A Emerman, Y Enari, MB Epland, J Erdmann, A Ereditato, PA Erland, M Errenst, M Escalier, C Escobar, O Estrada Pastor, E Etzion, H Evans, MO Evans, A Ezhilov, F Fabbri, L Fabbri, V Fabiani, G Facini, RM Faisca Rodrigues Pereira, RM Fakhrutdinov, S Falciano, PJ Falke, S Falke, J Faltova, Y Fang, Y Fang, G Fanourakis, M Fanti, M Faraj, A Farbin, A Farilla, EM Farina, T Farooque, SM Farrington, P Farthouat, F Fassi, P Fassnacht, D Fassouliotis, M Faucci Giannelli, WJ Fawcett, L Fayard, OL Fedin, W Fedorko, A Fehr, M Feickert, L Feligioni, A Fell, C Feng, M Feng, MJ Fenton, AB Fenyuk, SW Ferguson, J Ferrando, A Ferrante, A Ferrari, P Ferrari, R Ferrari, DE Ferreira de Lima, A Ferrer, D Ferrere, C Ferretti, F Fiedler, A Filipčič, F Filthaut, KD Finelli, MCN Fiolhais, L Fiorini, F Fischer, J Fischer, WC Fisher, T Fitschen, I Fleck, P Fleischmann, T Flick, BM Flierl, L Flores, LR Flores Castillo, FM Follega, N Fomin, JH Foo, GT Forcolin, BC Forland, A Formica, FA Förster, AC Forti, E Fortin, MG Foti, D Fournier, H Fox, P Francavilla, S Francescato, M Franchini, S Franchino, D Francis, L Franco, L Franconi, M Franklin, G Frattari, AN Fray, PM Freeman, B Freund, WS Freund, EM Freundlich, DC Frizzell, D Froidevaux, JA Frost, M Fujimoto, C Fukunaga, E Fullana Torregrosa, T Fusayasu, J Fuster, A Gabrielli, A Gabrielli, S Gadatsch, P Gadow, G Gagliardi, LG Gagnon, GE Gallardo, EJ Gallas, BJ Gallop, G Galster, R Gamboa Goni, KK Gan, S Ganguly, J Gao, Y Gao, YS Gao, FM Garay Walls, C García, JE García Navarro, JA García Pascual, C Garcia-Argos, M Garcia-Sciveres, RW Gardner, N Garelli, S Gargiulo, CA Garner, V Garonne, SJ Gasiorowski, P Gaspar, A Gaudiello, G Gaudio, IL Gavrilenko, A Gavrilyuk, C Gay, G Gaycken, EN Gazis, AA Geanta, CM Gee, CNP Gee, J Geisen, M Geisen, C Gemme, MH Genest, C Geng, S Gentile, S George, T Geralis, LO Gerlach, P Gessinger-Befurt, G Gessner, S Ghasemi, M Ghasemi Bostanabad, M Ghneimat, A Ghosh, A Ghosh, B Giacobbe, S Giagu, N Giangiacomi, P Giannetti, A Giannini, G Giannini, SM Gibson, M Gignac, DT Gil, D Gillberg, G Gilles, DM Gingrich, MP Giordani, PF Giraud, G Giugliarelli, D Giugni, F Giuli, S Gkaitatzis, I Gkialas, EL Gkougkousis, P Gkountoumis, LK Gladilin, C Glasman, J Glatzer, PCF Glaysher, A Glazov, GR Gledhill, I Gnesi, M Goblirsch-Kolb, D Godin, S Goldfarb, T Golling, D Golubkov, A Gomes, R Goncalves Gama, R Gonçalo, G Gonella, L Gonella, A Gongadze, F Gonnella, JL Gonski, S González de 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GN Hamity, K Han, L Han, S Han, YF Han, K Hanagaki, M Hance, DM Handl, MD Hank, R Hankache, E Hansen, JB Hansen, JD Hansen, MC Hansen, PH Hansen, EC Hanson, K Hara, T Harenberg, S Harkusha, PF Harrison, NM Hartman, NM Hartmann, Y Hasegawa, A Hasib, S Hassani, S Haug, R Hauser, LB Havener, M Havranek, CM Hawkes, RJ Hawkings, S Hayashida, D Hayden, C Hayes, RL Hayes, CP Hays, JM Hays, HS Hayward, SJ Haywood, F He, MP Heath, V Hedberg, S Heer, AL Heggelund, C Heidegger, KK Heidegger, WD Heidorn, J Heilman, S Heim, T Heim, B Heinemann, JG Heinlein, JJ Heinrich, L Heinrich, J Hejbal, L Helary, A Held, S Hellesund, CM Helling, S Hellman, C Helsens, RCW Henderson, Y Heng, L Henkelmann, AM Henriques Correia, H Herde, Y Hernández Jiménez, H Herr, MG Herrmann, T Herrmann, G Herten, R Hertenberger, L Hervas, TC Herwig, GG Hesketh, NP Hessey, H Hibi, A Higashida, S Higashino, E Higón-Rodriguez, K Hildebrand, JC Hill, KK Hill, KH Hiller, SJ Hillier, M Hils, I Hinchliffe, F Hinterkeuser, M Hirose, S Hirose, D Hirschbuehl, B Hiti, O Hladik, DR Hlaluku, J Hobbs, N Hod, MC Hodgkinson, A Hoecker, D Hohn, D Hohov, T Holm, TR Holmes, M Holzbock, LBAH Hommels, TM Hong, JC Honig, A Hönle, BH Hooberman, WH Hopkins, Y Horii, P Horn, LA Horyn, S Hou, A Hoummada, J Howarth, J Hoya, M Hrabovsky, J Hrdinka, J Hrivnac, A Hrynevich, T Hryn’ova, PJ Hsu, S-C Hsu, Q Hu, S Hu, YF Hu, DP Huang, Y Huang, Y Huang, Z Hubacek, F Hubaut, M Huebner, F Huegging, TB Huffman, M Huhtinen, R Hulsken, RFH Hunter, P Huo, N Huseynov, J Huston, J Huth, R Hyneman, S Hyrych, G Iacobucci, G Iakovidis, I Ibragimov, L Iconomidou-Fayard, P Iengo, R Ignazzi, O Igonkina, R Iguchi, T Iizawa, Y Ikegami, M Ikeno, D Iliadis, N Ilic, F Iltzsche, H Imam, G Introzzi, M Iodice, K Iordanidou, V Ippolito, MF Isacson, M Ishino, W Islam, C Issever, S Istin, F Ito, JM Iturbe Ponce, R Iuppa, A Ivina, H Iwasaki, JM Izen, V Izzo, P Jacka, P Jackson, RM Jacobs, BP Jaeger, V Jain, G Jäkel, KB Jakobi, K Jakobs, T Jakoubek, J Jamieson, KW Janas, R Jansky, M Janus, PA Janus, G Jarlskog, AE Jaspan, N Javadov, T Javůrek, M Javurkova, F Jeanneau, L Jeanty, J Jejelava, P Jenni, N Jeong, S Jézéquel, H Ji, J Jia, H Jiang, Y Jiang, Z Jiang, S Jiggins, FA Jimenez Morales, J Jimenez Pena, S Jin, A Jinaru, O Jinnouchi, H Jivan, P Johansson, KA Johns, CA Johnson, RWL Jones, SD Jones, TJ Jones, J Jongmanns, J Jovicevic, X Ju, JJ Junggeburth, A Juste Rozas, A Kaczmarska, M Kado, H Kagan, M Kagan, A Kahn, C Kahra, T Kaji, E Kajomovitz, CW Kalderon, A Kaluza, A Kamenshchikov, M Kaneda, NJ Kang, S Kang, Y Kano, J Kanzaki, LS Kaplan, D Kar, K Karava, MJ Kareem, I Karkanias, SN Karpov, ZM Karpova, V Kartvelishvili, AN Karyukhin, A Kastanas, C Kato, J Katzy, K Kawade, K Kawagoe, T Kawaguchi, T Kawamoto, G Kawamura, EF Kay, S Kazakos, VF Kazanin, R Keeler, R Kehoe, JS Keller, E Kellermann, D Kelsey, JJ Kempster, J Kendrick, KE Kennedy, O Kepka, S Kersten, BP Kerševan, S Ketabchi Haghighat, M Khader, F Khalil-Zada, M Khandoga, A Khanov, AG 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Sessa, H Severini, S Sevova, F Sforza, A Sfyrla, E Shabalina, JD Shahinian, NW Shaikh, D Shaked Renous, LY Shan, M Shapiro, A Sharma, AS Sharma, PB Shatalov, K Shaw, SM Shaw, M Shehade, Y Shen, AD Sherman, P Sherwood, L Shi, S Shimizu, CO Shimmin, Y Shimogama, M Shimojima, IPJ Shipsey, S Shirabe, M Shiyakova, J Shlomi, A Shmeleva, MJ Shochet, J Shojaii, DR Shope, S Shrestha, EM Shrif, E Shulga, P Sicho, AM Sickles, E Sideras Haddad, O Sidiropoulou, A Sidoti, F Siegert, Dj Sijacki, M Silva, MV Silva Oliveira, SB Silverstein, S Simion, R Simoniello, CJ Simpson-allsop, S Simsek, P Sinervo, V Sinetckii, S Singh, M Sioli, I Siral, S Yu Sivoklokov, J Sjölin, A Skaf, E Skorda, P Skubic, M Slawinska, K Sliwa, R Slovak, V Smakhtin, BH Smart, J Smiesko, N Smirnov, S Yu Smirnov, Y Smirnov, LN Smirnova, O Smirnova, HA Smith, M Smizanska, K Smolek, A Smykiewicz, AA Snesarev, HL Snoek, IM Snyder, S Snyder, R Sobie, A Soffer, A Søgaard, F Sohns, CA Solans Sanchez, E Yu Soldatov, U Soldevila, AA Solodkov, A Soloshenko, OV Solovyanov, V Solovyev, P Sommer, H Son, W Song, WY Song, A Sopczak, AL Sopio, F Sopkova, S Sottocornola, R Soualah, AM Soukharev, D South, S Spagnolo, M Spalla, M Spangenberg, F Spanò, D Sperlich, TM Spieker, G Spigo, M Spina, DP Spiteri, M Spousta, A Stabile, BL Stamas, R Stamen, M Stamenkovic, E Stanecka, B Stanislaus, MM Stanitzki, M Stankaityte, B Stapf, EA Starchenko, GH Stark, J Stark, P Staroba, P Starovoitov, S Stärz, R Staszewski, G Stavropoulos, M Stegler, P Steinberg, AL Steinhebel, B Stelzer, HJ Stelzer, O Stelzer-Chilton, H Stenzel, TJ Stevenson, GA Stewart, MC Stockton, G Stoicea, M Stolarski, S Stonjek, A Straessner, J Strandberg, S Strandberg, M Strauss, T Strebler, P Strizenec, R Ströhmer, DM Strom, R Stroynowski, A Strubig, SA Stucci, B Stugu, J Stupak, NA Styles, D Su, W Su, S Suchek, VV Sulin, MJ Sullivan, DMS Sultan, S Sultansoy, T Sumida, S Sun, X Sun, K Suruliz, CJE Suster, MR Sutton, S Suzuki, M Svatos, M Swiatlowski, SP Swift, T 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Vazquez Schroeder, J Veatch, V Vecchio, MJ Veen, LM Veloce, F Veloso, S Veneziano, A Ventura, N Venturi, A Verbytskyi, V Vercesi, M Verducci, CM Vergel Infante, C Vergis, W Verkerke, AT Vermeulen, JC Vermeulen, C Vernieri, MC Vetterli, N Viaux Maira, T Vickey, OE Vickey Boeriu, GHA Viehhauser, L Vigani, M Villa, M Villaplana Perez, EM Villhauer, E Vilucchi, MG Vincter, GS Virdee, A Vishwakarma, C Vittori, I Vivarelli, M Vogel, P Vokac, SE von Buddenbrock, E Von Toerne, V Vorobel, K Vorobev, M Vos, JH Vossebeld, M Vozak, N Vranjes, M Vranjes Milosavljevic, V Vrba, M Vreeswijk, R Vuillermet, I Vukotic, S Wada, P Wagner, W Wagner, J Wagner-Kuhr, S Wahdan, H Wahlberg, R Wakasa, VM Walbrecht, J Walder, R Walker, SD Walker, W Walkowiak, V Wallangen, AM Wang, AZ Wang, C Wang, F Wang, H Wang, H Wang, J Wang, P Wang, Q Wang, R-J Wang, R Wang, R Wang, SM Wang, WT Wang, W Wang, WX Wang, Y Wang, Z Wang, C Wanotayaroj, A Warburton, CP Ward, DR Wardrope, N Warrack, AT Watson, MF Watson, G Watts, BM 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Ye, I Yeletskikh, MR Yexley, E Yigitbasi, P Yin, K Yorita, K Yoshihara, CJS Young, C Young, J Yu, R Yuan, X Yue, M Zaazoua, B Zabinski, G Zacharis, E Zaffaroni, J Zahreddine, AM Zaitsev, T Zakareishvili, N Zakharchuk, S Zambito, D Zanzi, DR Zaripovas, SV Zeißner, C Zeitnitz, G Zemaityte, JC Zeng, O Zenin, T Ženiš, D Zerwas, M Zgubič, B Zhang, DF Zhang, G Zhang, J Zhang, Kaili Zhang, L Zhang, L Zhang, M Zhang, R Zhang, S Zhang, X Zhang, X Zhang, Y Zhang, Z Zhang, Z Zhang, P Zhao, Z Zhao, A Zhemchugov, Z Zheng, D Zhong, B Zhou, C Zhou, H Zhou, MS Zhou, M Zhou, N Zhou, Y Zhou, CG Zhu, C Zhu, HL Zhu, H Zhu, J Zhu, Y Zhu, X Zhuang, K Zhukov, V Zhulanov, D Zieminska, NI Zimine, S Zimmermann, Z Zinonos, M Ziolkowski, L Živković, G Zobernig, A Zoccoli, K Zoch, TG Zorbas, R Zou, L Zwalinski

Euclid preparation: X. The Euclid photometric-redshift challenge

Astronomy and Astrophysics EDP Sciences 644:December 2020 (2020) A31

Authors:

G Desprez, S Paltani, J Coupon, I Almosallam, A Alvarez-Ayllon, V Amaro, M Brescia, M Brodwin, S Cavuoti, J De Vicente-Albendea, S Fotopoulou, Pw Hatfield, Peter Hatfield, O Ilbert, Mj Jarvis, G Longo, Mm Rau, R Saha, Js Speagle, A Tramacere, M Castellano, F Dubath, A Galametz, M Kuemmel, C Laigle, E Merlin, Jj Mohr, S Pilo, M Salvato, S Andreon, N Auricchio, C Baccigalupi, A Balaguera-Antolinez, M Baldi, S Bardelli, R Bender, A Biviano, C Bodendorf, D Bonino, E Bozzo, E Branchini, J Brinchmann, C Burigana, R Cabanac, S Camera, V Capobianco, A Cappi, C Carbone, J Carretero

Abstract:

Forthcoming large photometric surveys for cosmology require precise and accurate photometric redshift (photo-z) measurements for the success of their main science objectives. However, to date, no method has been able to produce photo-zs at the required accuracy using only the broad-band photometry that those surveys will provide. An assessment of the strengths and weaknesses of current methods is a crucial step in the eventual development of an approach to meet this challenge. We report on the performance of 13 photometric redshift code single value redshift estimates and redshift probability distributions (PDZs) on a common set of data, focusing particularly on the 0.2pdbl-pdbl2.6 redshift range that the Euclid mission will probe. We designed a challenge using emulated Euclid data drawn from three photometric surveys of the COSMOS field. The data was divided into two samples: one calibration sample for which photometry and redshifts were provided to the participants; and the validation sample, containing only the photometry to ensure a blinded test of the methods. Participants were invited to provide a redshift single value estimate and a PDZ for each source in the validation sample, along with a rejection flag that indicates the sources they consider unfit for use in cosmological analyses. The performance of each method was assessed through a set of informative metrics, using cross-matched spectroscopic and highly-accurate photometric redshifts as the ground truth. We show that the rejection criteria set by participants are efficient in removing strong outliers, that is to say sources for which the photo-z deviates by more than 0.15(1pdbl+pdblz) from the spectroscopic-redshift (spec-z). We also show that, while all methods are able to provide reliable single value estimates, several machine-learning methods do not manage to produce useful PDZs. We find that no machine-learning method provides good results in the regions of galaxy color-space that are sparsely populated by spectroscopic-redshifts, for example zpdbl> pdbl1. However they generally perform better than template-fitting methods at low redshift (zpdbl< pdbl0.7), indicating that template-fitting methods do not use all of the information contained in the photometry. We introduce metrics that quantify both photo-z precision and completeness of the samples (post-rejection), since both contribute to the final figure of merit of the science goals of the survey (e.g., cosmic shear from Euclid). Template-fitting methods provide the best results in these metrics, but we show that a combination of template-fitting results and machine-learning results with rejection criteria can outperform any individual method. On this basis, we argue that further work in identifying how to best select between machine-learning and template-fitting approaches for each individual galaxy should be pursued as a priority.

A minimal power-spectrum-based moment expansion for CMB B-mode searches

(2020)

Authors:

S Azzoni, MH Abitbol, D Alonso, A Gough, N Katayama, T Matsumura

Strong detection of the CMB lensingxgalaxy weak lensingcross-correlation from ACT-DR4,PlanckLegacy and KiDS-1000

(2020)

Authors:

Naomi Clare Robertson, David Alonso, Joachim Harnois-Déraps, Omar Darwish, Arun Kannawad, Alexandra Amon, Marika Asgari, Maciej Bilicki, Erminia Calabrese, Steve K Choi, Mark J Devlin, Jo Dunkley, Andrej Dvornik, Thomas Erben, Simone Ferraro, Maria Cristina Fortuna, Benjamin Giblin, Dongwon Han, Catherine Heymans, Hendrik Hildebrandt, J Colin Hill, Matt Hilton, Shuay-Pwu P Ho, Henk Hoekstra, Johannes Hubmayr, Jack Hughes, Benjamin Joachimi, Shahab Joudaki, Kenda Knowles, Konrad Kuijken, Mathew S Madhavacheril, Kavilan Moodley, Lance Miller, Toshiya Namikawa, Federico Nati, Michael D Niemack, Lyman A Page, Bruce Partridge, Emmanuel Schaan, Alessandro Schillaci, Peter Schneider, Neelima Sehgal, Blake D Sherwin, Cristóbal Sifón, Suzanne T Staggs, Tilman Tröster, Alexander van Engelen, Edwin Valentijn, Edward J Wollack, Angus H Wright, Zhilei Xu

Luminous Red Nova AT 2019zhd, a new merger in M 31

(2020)

Authors:

A Pastorello, M Fraser, G Valerin, A Reguitti, K Itagaki, P Ochner, SC Williams, D Jones, J Munday, SJ Smartt, KW Smith, S Srivastav, N Elias-Rosa, E Kankare, E Karamehmetoglu, P Lundqvist, PA Mazzali, U Munari, MD Stritzinger, L Tomasella, JP Anderson, KC Chambers, A Rest