Measurement of $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=5$ TeV

(2021)

Authors:

LHCb collaboration, R Aaij, ASW Abdelmotteleb, C Abellán Beteta, T Ackernley, B Adeva, M Adinolfi, H Afsharnia, C Agapopoulou, CA Aidala, S Aiola, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, A Alfonso Albero, Z Aliouche, G Alkhazov, P Alvarez Cartelle, S Amato, JL Amey, Y Amhis, L An, L Anderlini, A Andreianov, M Andreotti, F Archilli, A Artamonov, M Artuso, K Arzymatov, E Aslanides, M Atzeni, B Audurier, S Bachmann, M Bachmayer, JJ Back, P Baladron Rodriguez, V Balagura, W Baldini, J Baptista Leite, M Barbetti, RJ Barlow, S Barsuk, W Barter, M Bartolini, F Baryshnikov, JM Basels, S Bashir, G Bassi, B Batsukh, A Battig, A Bay, A Beck, M Becker, F Bedeschi, I Bediaga, A Beiter, V Belavin, S Belin, V Bellee, K Belous, I Belov, I Belyaev, G Bencivenni, E Ben-Haim, A Berezhnoy, R Bernet, D Berninghoff, HC Bernstein, C Bertella, A Bertolin, C Betancourt, F Betti, Ia Bezshyiko, S Bhasin, J Bhom, L Bian, MS Bieker, S Bifani, P Billoir, M Birch, FCR Bishop, A Bitadze, A Bizzeti, M Bjørn, MP Blago, T Blake, F Blanc, S Blusk, D Bobulska, JA Boelhauve, O Boente Garcia, T Boettcher, A Boldyrev, A Bondar, N Bondar, S Borghi, M Borisyak, M Borsato, JT Borsuk, SA Bouchiba, TJV Bowcock, A Boyer, C Bozzi, MJ Bradley, S Braun, A Brea Rodriguez, M Brodski, J Brodzicka, A Brossa Gonzalo, D Brundu, A Buonaura, L Buonincontri, AT Burke, C Burr, A Bursche, A Butkevich, JS Butter, J Buytaert, W Byczynski, S Cadeddu, H Cai, R Calabrese, L Calefice, L Calero Diaz, S Cali, R Calladine, M Calvi, M Calvo Gomez, P Camargo Magalhaes, P Campana, AF Campoverde Quezada, S Capelli, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, I Carli, P Carniti, L Carus, K Carvalho Akiba, A Casais Vidal, G Casse, M Cattaneo, G Cavallero, S Celani, J Cerasoli, D Cervenkov, AJ Chadwick, MG Chapman, M Charles, Ph Charpentier, G Chatzikonstantinidis, CA Chavez Barajas, M Chefdeville, C Chen, S Chen, A Chernov, V Chobanova, S Cholak, M Chrzaszcz, A Chubykin, V Chulikov, P Ciambrone, MF Cicala, X Cid Vidal, G Ciezarek, PEL Clarke, M Clemencic, HV Cliff, J Closier, JL Cobbledick, V Coco, JAB Coelho, J Cogan, E Cogneras, L Cojocariu, P Collins, T Colombo, L Congedo, A Contu, N Cooke, G Coombs, I Corredoira, G Corti, CM Costa Sobral, B Couturier, DC Craik, J Crkovská, M Cruz Torres, R Currie, CL Da Silva, S Dadabaev, L Dai, E Dall'Occo, J Dalseno, C D'Ambrosio, A Danilina, P d'Argent, JE Davies, A Davis, O De Aguiar Francisco, K De Bruyn, S De Capua, M De Cian, JM De Miranda, L De Paula, M De Serio, D De Simone, P De Simone, JA de Vries, CT Dean, D Decamp, V Dedu, L Del Buono, B Delaney, H-P Dembinski, A Dendek, V Denysenko, D Derkach, O Deschamps, F Desse, F Dettori, B Dey, A Di Cicco, P Di Nezza, S Didenko, L Dieste Maronas, H Dijkstra, V Dobishuk, C Dong, AM Donohoe, F Dordei, AC dos Reis, L Douglas, A Dovbnya, AG Downes, MW Dudek, L Dufour, V Duk, P Durante, JM Durham, D Dutta, A Dziurda, A Dzyuba, S Easo, U Egede, V Egorychev, S Eidelman, S Eisenhardt, S Ek-In, L Eklund, S Ely, A Ene, E Epple, S Escher, J Eschle, S Esen, T Evans, A Falabella, J Fan, Y Fan, B Fang, S Farry, D Fazzini, M Féo, A Fernandez Prieto, AD Fernez, F Ferrari, L Ferreira Lopes, F Ferreira Rodrigues, S Ferreres Sole, M Ferrillo, M Ferro-Luzzi, S Filippov, RA Fini, M Fiorini, M Firlej, KM Fischer, DS Fitzgerald, C Fitzpatrick, T Fiutowski, A Fkiaras, F Fleuret, M Fontana, F Fontanelli, R Forty, D Foulds-Holt, V Franco Lima, M Franco Sevilla, M Frank, E Franzoso, G Frau, C Frei, DA Friday, J Fu, Q Fuehring, E Gabriel, T Gaintseva, A Gallas Torreira, D Galli, S Gambetta, Y Gan, M Gandelman, P Gandini, Y Gao, M Garau, LM Garcia Martin, P Garcia Moreno, J García Pardiñas, B Garcia Plana, FA Garcia Rosales, L Garrido, C Gaspar, RE Geertsema, D Gerick, LL Gerken, E Gersabeck, M Gersabeck, T Gershon, D Gerstel, Ph Ghez, L Giambastiani, V Gibson, HK Giemza, AL Gilman, M Giovannetti, A Gioventù, P Gironella Gironell, L Giubega, C Giugliano, K Gizdov, EL Gkougkousis, VV Gligorov, C Göbel, E Golobardes, D Golubkov, A Golutvin, A Gomes, S Gomez Fernandez, F Goncalves Abrantes, M Goncerz, G Gong, P Gorbounov, IV Gorelov, C Gotti, E Govorkova, JP Grabowski, T Grammatico, LA Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, LM Greeven, NA Grieser, L Grillo, S Gromov, BR Gruberg Cazon, C Gu, M Guarise, PA Günther, E Gushchin, A Guth, Y Guz, T Gys, T Hadavizadeh, G Haefeli, C Haen, J Haimberger, T Halewood-leagas, PM Hamilton, JP Hammerich, Q Han, X Han, TH Hancock, S Hansmann-Menzemer, N Harnew, T Harrison, C Hasse, M Hatch, J He, M Hecker, K Heijhoff, K Heinicke, AM Hennequin, K Hennessy, L Henry, J Heuel, A Hicheur, D Hill, M Hilton, SE Hollitt, J Hu, J Hu, W Hu, X Hu, W Huang, X Huang, W Hulsbergen, RJ Hunter, M Hushchyn, D Hutchcroft, D Hynds, P Ibis, M Idzik, D Ilin, P Ilten, A Inglessi, A Ishteev, K Ivshin, R Jacobsson, S Jakobsen, E Jans, BK Jashal, A Jawahery, V Jevtic, F Jiang, M John, D Johnson, CR Jones, TP Jones, B Jost, N Jurik, SH Kalavan Kadavath, S Kandybei, Y Kang, M Karacson, M Karpov, F Keizer, M Kenzie, T Ketel, B Khanji, A Kharisova, S Kholodenko, T Kirn, VS Kirsebom, O Kitouni, S Klaver, N Kleijne, K Klimaszewski, MR Kmiec, S Koliiev, A Kondybayeva, A Konoplyannikov, P Kopciewicz, R Kopecna, P Koppenburg, M Korolev, I Kostiuk, O Kot, S Kotriakhova, P Kravchenko, L Kravchuk, RD Krawczyk, M Kreps, F Kress, S Kretzschmar, P Krokovny, W Krupa, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, HS Kuindersma, GJ Kunde, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, A Lampis, D Lancierini, JJ Lane, R Lane, G Lanfranchi, C Langenbruch, J Langer, O Lantwin, T Latham, F Lazzari, R Le Gac, SH Lee, R Lefèvre, A Leflat, S Legotin, O Leroy, T Lesiak, B Leverington, H Li, P Li, S Li, Y Li, Y Li, Z Li, X Liang, T Lin, R Lindner, V Lisovskyi, R Litvinov, G Liu, H Liu, S Liu, A Lobo Salvia, A Loi, J Lomba Castro, I Longstaff, JH Lopes, S Lopez Solino, GH Lovell, Y Lu, C Lucarelli, D Lucchesi, S Luchuk, M Lucio Martinez, V Lukashenko, Y Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, L Ma, R Ma, S Maccolini, F Machefert, F Maciuc, V Macko, P Mackowiak, S Maddrell-Mander, O Madejczyk, LR Madhan Mohan, O Maev, A Maevskiy, D Maisuzenko, MW Majewski, JJ Malczewski, S Malde, B Malecki, A Malinin, T Maltsev, H Malygina, G Manca, G Mancinelli, D Manuzzi, D Marangotto, J Maratas, JF Marchand, U Marconi, S Mariani, C Marin Benito, M Marinangeli, J Marks, AM Marshall, PJ Marshall, G Martellotti, L Martinazzoli, M Martinelli, D Martinez Santos, F Martinez Vidal, A Massafferri, M Materok, R Matev, A Mathad, Z Mathe, V Matiunin, C Matteuzzi, KR Mattioli, A Mauri, E Maurice, J Mauricio, M Mazurek, M McCann, L Mcconnell, TH Mcgrath, NT Mchugh, A McNab, R McNulty, JV Mead, B Meadows, G Meier, N Meinert, D Melnychuk, S Meloni, M Merk, A Merli, L Meyer Garcia, M Mikhasenko, DA Milanes, E Millard, M Milovanovic, M-N Minard, A Minotti, L Minzoni, SE Mitchell, B Mitreska, DS Mitzel, A Mödden, RA Mohammed, RD Moise, T Mombächer, IA Monroy, S Monteil, M Morandin, G Morello, MJ Morello, J Moron, AB Morris, AG Morris, R Mountain, H Mu, F Muheim, M Mulder, D Müller, K Müller, CH Murphy, D Murray, P Muzzetto, P Naik, T Nakada, R Nandakumar, T Nanut, I Nasteva, M Needham, I Neri, N Neri, S Neubert, N Neufeld, R Newcombe, TD Nguyen, C Nguyen-Mau, EM Niel, S Nieswand, N Nikitin, NS Nolte, C Normand, C Nunez, A Oblakowska-Mucha, V Obraztsov, T Oeser, DP O'Hanlon, S Okamura, R Oldeman, ME Olivares, CJG Onderwater, RH O'Neil, A Ossowska, JM Otalora Goicochea, T Ovsiannikova, P Owen, A Oyanguren, KO Padeken, B Pagare, PR Pais, T Pajero, A Palano, M Palutan, Y Pan, G Panshin, A Papanestis, M Pappagallo, LL Pappalardo, C Pappenheimer, W Parker, C Parkes, B Passalacqua, G Passaleva, A Pastore, M Patel, C Patrignani, CJ Pawley, A Pearce, A Pellegrino, M Pepe Altarelli, S Perazzini, D Pereima, A Pereiro Castro, P Perret, M Petric, K Petridis, A Petrolini, A Petrov, S Petrucci, M Petruzzo, TTH Pham, A Philippov, L Pica, M Piccini, B Pietrzyk, G Pietrzyk, M Pili, D Pinci, F Pisani, M Pizzichemi, Resmi P K, V Placinta, J Plews, M Plo Casasus, F Polci, M Poli Lener, M Poliakova, A Poluektov, N Polukhina, I Polyakov, E Polycarpo, S Ponce, D Popov, S Popov, S Poslavskii, K Prasanth, L Promberger, C Prouve, V Pugatch, V Puill, H Pullen, G Punzi, H Qi, W Qian, J Qin, N Qin, R Quagliani, B Quintana, NV Raab, RI Rabadan Trejo, B Rachwal, JH Rademacker, M Rama, M Ramos Pernas, MS Rangel, F Ratnikov, G Raven, M Reboud, F Redi, F Reiss, C Remon Alepuz, Z Ren, V Renaudin, R Ribatti, S Ricciardi, K Rinnert, P Robbe, G Robertson, AB Rodrigues, E Rodrigues, JA Rodriguez Lopez, ERR Rodriguez Rodriguez, A Rollings, P Roloff, V Romanovskiy, M Romero Lamas, A Romero Vidal, JD Roth, M Rotondo, MS Rudolph, T Ruf, RA Ruiz Fernandez, J Ruiz Vidal, A Ryzhikov, J Ryzka, JJ Saborido Silva, N Sagidova, N Sahoo, B Saitta, M Salomoni, C Sanchez Gras, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, D Saranin, G Sarpis, M Sarpis, A Sarti, C Satriano, A Satta, M Saur, D Savrina, H Sazak, LG Scantlebury Smead, A Scarabotto, S Schael, S Scherl, M Schiller, H Schindler, M Schmelling, B Schmidt, S Schmitt, O Schneider, A Schopper, M Schubiger, S Schulte, MH Schune, R Schwemmer, B Sciascia, S Sellam, A Semennikov, M Senghi Soares, A Sergi, N Serra, L Sestini, A Seuthe, Y Shang, DM Shangase, M Shapkin, I Shchemerov, L Shchutska, T Shears, L Shekhtman, Z Shen, V Shevchenko, EB Shields, Y Shimizu, E Shmanin, JD Shupperd, BG Siddi, R Silva Coutinho, G Simi, S Simone, N Skidmore, T Skwarnicki, MW Slater, I Slazyk, JC Smallwood, JG Smeaton, A Smetkina, E Smith, M Smith, A Snoch, M Soares, L Soares Lavra, MD Sokoloff, FJP Soler, A Solovev, I Solovyev, FL Souza De Almeida, B Souza De Paula, B Spaan, E Spadaro Norella, P Spradlin, F Stagni, M Stahl, S Stahl, S Stanislaus, O Steinkamp, O Stenyakin, H Stevens, S Stone, ME Stramaglia, M Straticiuc, D Strekalina, F Suljik, J Sun, L Sun, Y Sun, P Svihra, PN Swallow, K Swientek, A Szabelski, T Szumlak, M Szymanski, S Taneja, AR Tanner, MD Tat, A Terentev, F Teubert, E Thomas, DJD Thompson, KA Thomson, V Tisserand, S T'Jampens, M Tobin, L Tomassetti, X Tong, D Torres Machado, DY Tou, MT Tran, E Trifonova, C Trippl, G Tuci, A Tully, N Tuning, A Ukleja, DJ Unverzagt, E Ursov, A Usachov, A Ustyuzhanin, U Uwer, A Vagner, V Vagnoni, A Valassi, G Valenti, N Valls Canudas, M van Beuzekom, M Van Dijk, E van Herwijnen, CB Van Hulse, M van Veghel, R Vazquez Gomez, P Vazquez Regueiro, C Vázquez Sierra, S Vecchi, JJ Velthuis, M Veltri, A Venkateswaran, M Veronesi, M Vesterinen, D Vieira, M Vieites Diaz, H Viemann, X Vilasis-Cardona, E Vilella Figueras, A Villa, P Vincent, FC Volle, D Vom Bruch, A Vorobyev, V Vorobyev, N Voropaev, K Vos, R Waldi, J Walsh, C Wang, J Wang, J Wang, J Wang, J Wang, M Wang, R Wang, Y Wang, Z Wang, Z Wang, JA Ward, HM Wark, NK Watson, SG Weber, D Websdale, C Weisser, BDC Westhenry, DJ White, M Whitehead, AR Wiederhold, D Wiedner, G Wilkinson, M Wilkinson, I Williams, M Williams, MRJ Williams, FF Wilson, W Wislicki, M Witek, L Witola, G Wormser, SA Wotton, H Wu, K Wyllie, Z Xiang, D Xiao, Y Xie, A Xu, J Xu, L Xu, M Xu, Q Xu, Z Xu, Z Xu, D Yang, S Yang, Y Yang, Z Yang, Z Yang, Y Yao, LE Yeomans, H Yin, J Yu, X Yuan, O Yushchenko, E Zaffaroni, M Zavertyaev, M Zdybal, O Zenaiev, M Zeng, D Zhang, L Zhang, S Zhang, S Zhang, Y Zhang, Y Zhang, A Zharkova, A Zhelezov, Y Zheng, T Zhou, X Zhou, Y Zhou, V Zhovkovska, X Zhu, Z Zhu, V Zhukov, JB Zonneveld, Q Zou, S Zucchelli, D Zuliani, G Zunica

Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector

ArXiv 2109.00411 (2021)

Prospects for direct CP tests of hqq interactions

Journal of High Energy Physics Springer Nature 2021:8 (2021) 167

Authors:

Rodrigo Alonso, Cristofero Fraser-Taliente, Chris Hays, Michael Spannowsky

Abstract:

We study the prospects for probing the CP structure of hqq interactions using the decays of the lightest baryon Λq formed in the quark’s hadronization. The low yields of reconstructible events make it unlikely for tests to be performed with the next generation of colliders. In h → bb̅ → ΛbΛb decays a CP-sensitive distribution could be measured with a high-luminosity e+e− collider, while in both h → bb̅ → ΛbΛb and h → cc̅ → ΛcΛc decays such a distribution could be measured with a very high luminosity μ+μ− collider. However, we find that only the μ+μ− collider can produce enough h → bb̅ → ΛbΛb decays to probe a physical CP asymmetry in the hbb vertex.

Search for dark matter produced in association with a Standard Model Higgs boson decaying into $b$-quarks using the full Run 2 dataset from the ATLAS detector

ArXiv 2108.13391 (2021)

Measurement of $b$-quark fragmentation properties in jets using the decay $B^{\pm} \to J/ψK^{\pm}$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

ArXiv 2108.1165 (2021)