Measurement of $\Omega_c^0$ baryon production and branching-fraction ratio BR($\Omega_c^0$→$\Omega^-$e$^+$ν$_e$)/BR($\Omega_c^0$→$\Omega^-$$\pi^+$) in pp collisions at $\sqrt{s}$ = 13 TeV
S. Acharya, D. Adamová, Apar Agarwal, G. Aglieri Rinella, Luca Aglietta, M. Agnello, N. Agrawal, Z. Ahammed, S. Ahmad, S. U. Ahn, I. Ahuja, A. Akindinov, Valentina Akishina, M. Al-Turany, D. Aleksandrov, B. Alessandro, H. M. Alfanda, Jose Ruben Alfaro Molina, Bushra Ali, A. Alici, N. Alizadehvandchali, A. Alkin, J. Alme, G. Alocco, T. Alt, Anna Rita Altamura, I. Altsybeev, Jesús Ricardo Alvarado García, M. N. Anaam, C. Andrei, N. Andreou, A. Andronic, Evgeny Andronov, V. Anguelov, F. Antinori, P. Antonioli, N. Apadula, L. Aphecetche, H. Appelshäuser, C. Arata, S. Arcelli, M. Aresti, R. Arnaldi, Jhoao Gabriel Martins Campos Almeida Arneiro, I. C. Arsene, M. Arslandok, A. Augustinus, R. Averbeck, M. D. Azmi, Hitoshi Baba, A. Badalà, Joonsuk Bae, Y. W. Baek, Xiaozhi Bai, R. Bailhache, Y. Bailung, R. Bala, A. Balbino, A. Baldisseri, Bartosz Baliś, D. Banerjee, Z. Banoo, Veronika Barbasová, F. Barile, L. Barioglio, Maria Barlou, Banajit Barman, G. G. Barnaföldi, L. S. Barnby, E. Barreau, Valerie Ramillien Barret, Leonardo Barreto de Oliveira Campos, C. Bartels, K. Barth, E. Bartsch, N. Bastid, S. Basu, G. Batigne, D. Battistini, B. Batyunya, Dibakar Bauri, J. L. Bazo Alba, I. G. Bearden, C. Beattie, P. Becht, D. Behera, I. Belikov, A. D. C. Bell Hechavarria, F. Bellini, R. Bellwied, S. Belokurova, L. G. E. Beltran, Yael Antonio Vásquez Beltran, G. Bencédi, Adel Bensaoula, S. Beolè, Y. Berdnikov, Anastasia Berdnikova, L. Bergmann, Mihaela Gabriela Besoiu, L. Betev, Partha Pratim Bhaduri, A. Bhasin, B. Bhattacharjee, L. Bianchi, N. Bianchi, J. Bielčík, J. Bielčíková, Alexandre Patrick Bigot, A. Bilandzic, G. Bíró, S. Biswas, N. Bize, Justin Thomas Blair, D. Blau, Mihail Bogdan Blidaru, Nora Bluhme, C. Blume, G. Boca, F. Bock, T. Bodova, J. Bok, L. Boldizsár, M. Bombara, Peter Matthew Bond, G. Bonomi, H. Borel, A. Borissov, A. G. Borquez Carcamo, Hannah Bossi, E. Botta, Y. E. M. Bouziani, L. Bratrud, P. Braun‐Munzinger, M. Bregant, M. Broz, G. Bruno, M. D. Buckland, D. Budnikov, H. Buesching, S. Bufalino, P. Buehler, N. Burmasov, Edith Zinhle Buthelezi, Aleksandr Bylinkin, S. A. Bysiak, Juan Carlos Cabanillas Noris, M. F. T. Cabrera, Mengke Cai, H. Caines, A. Calivà, E. Calvo Villar, J. M. M. Camacho, P. Camerini, Fabio de Moraes Canedo, Sierra Lisa Weyhmiller, Mihai Carabaș, Aitor Amatriain Carballo, F. Carnesecchi, R. Caron, L. A. D. Carvalho, J. Castillo Castellanos, Matteo Castoldi, F. Catalano, Samuele Cattaruzzi, Cesar Ceballos Sanchez, Rebecca Cerri, I. Chakaberia, Pritam Chakraborty, S. Chandra, S. Chapeland, M. Chartier, Souvik Chattopadhay, S. Chattopadhyay, S. Chattopadhyay, T. Cheng, C. Cheshkov, Vasco Miguel Chibante Barroso, David Dobrigkeit Chinellato, E. S. Chizzali, J. Cho, Soyeon Cho, P. Chochula, Zuzanna Anna Chochulska, Dhrubajyoti Choudhury, P. Christakoglou, C. H. Christensen, P. Christiansen, T. Chujo, M. Ciacco, C. Cicalò, Michael Rudolf Ciupek, Giulia Clai, F. Colamaria, Jonathan Samuel Colburn, D. Colella, M. Colocci, M. Concas, G. Conesa Balbastre, Zaida Conesa Del Valle, G. Contin, J. G. Contreras, M. L. Coquet, P. Cortese, M. R. Cosentino, Filippo Costa, S. Costanza, Corentin Cot, J. Crkovská, P. Crochet, R. Cruz-Torres, P. Cui, Maciej Marek Czarnynoga, A. Dainese, Gautam Dange, Meike Charlotte Danisch, A. Danu, P. Das, P. Das, Supriya Das, A. Dash, Sadhana Dash, Annalisa De Caro, G. de Cataldo, Jan De Cuveland, A. De Falco, D. De Gruttola, N. De Marco, C. De Martín, S. De Pasquale, Rohaan Deb, R. Del Grande, L. Dello Stritto, W. Deng, Kyle Christian Devereaux, P. Dhankher, D. Di Bari, A. Di Mauro, Batoul Diab, Raul Arteche Diaz, T. Dietel, Yanchun Ding, J. Ditzel, R. Divià, Oeystein Djuvsland, U. Dmitrieva, A. Dobrin, Benjamin Dönigus, Jan Michal Dubinski, A. Dubla, P. Dupieux, Natalia Dzalaiova, Tabea Maria Eder, R. J. Ehlers, Florian Eisenhut, Ren Ejima, D. Elia, B. Erazmus, F. Ercolessi, B. Espagnon, G. Eulisse, D. Evans, S. Evdokimov, L. Fabbietti, M. Faggin, J. Faivre, F. Fan, W. Fan, A. Fantoni, M. Fasel, A. Feliciello, Г. Феофилов, A. Fernández Téllez, L. Ferrandi, M. B. Ferrer, A. Ferrero, C. Ferrero, A. Ferretti, V. J. G. Feuillard, V. Filova, D. Finogeev, F. M. Fionda, Erlend Flatland, F. Flor, Amanda Nicole Flores, S. Foertsch, I. Fokin, S. Fokin, Umberto Follo, E. Fragiacomo, E. Frajna, U. Fuchs, N. Funicello, C. Furget, A. Furs, T. Fusayasu, Jens Joergen Gaardhoeje, M. Gagliardi, Alberto Martin Gago Medina, Tanu Gahlaut, Carlos Duarte Galvan, D. R. Gangadharan, P. Ganoti, C. Garabatos, Josue Martinez Garcia, Tonatiuh García Chàvez, E. García-Solis, Corrado Gargiulo, P. Gasik, Hari Mohan Gaur, Amrit Gautam, Maria Beatriz de Leone Gay, M. B. Gay Ducati, M. Germain, Chandrasekhar Ghosh, Marco Giacalone, Giulia Gioachin, P. Giubellino, P. Giubilato, Aude Marie Camille Glaenzer, P. Glässel, E. Glimos, Daniel Jia Qin Goh, V. González, P. Gordeev, M. Gorgoń, Kangkan Goswami, S. Gotovac, Varlen Grabski, L. K. Graczykowski, E. Grecka, A. Grelli, C. 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Ryabov, Andrzej Krzysztof Rybicki, Jaehyeok Ryu, W. Rzesa, S. Sadhu, S. Sadovsky, J. Saetre, K. Šafařı́k, Sumit Kumar Saha, S. Saha, Bhagyarathi Sahoo, R. Sahoo, Sarita Sahoo, Dushmanta Sahu, P. K. Sahu, J. Saini, Klaudia Tropp, K. Sajdakova, S. Sakai, M. P. Salvan, S. Sambyal, Daniel Samitz, I. Sanna, Thiago Badaro Saramela, Debojit Sarkar, P. Sarma, Valerio Sarritzu, V. M. Sarti, M. H. P. Sas, S. Sawan, E. Scapparone, Johann Joachim Schambach, Horst Sebastian Scheid, C. Schiaua, R. Schicker, Felix Schlepper, Alexander Schmah, C. Schmidt, Hans Rudolf Schmidt, M. Schmidt, M. P. Schmidt, Nicolas Schmidt, Austin Robert Schmier, Romain Schotter, Alexander Wilhelmi, J. Schukraft, K. Schweda, G. Scioli, Enrico Scomparin, Janet Elizabeth Seger, Yuko Sekiguchi, Daiki Sekihata, M. Selina, I. Selyuzhenkov, S. Senyukov, Jin Joo Seo, D. Serebryakov, L. Serkin, L. Šerkšnytė, A. Sevcenco, Tebogo Joyce Shaba, Alexandre Shabetai, Ruben Shahoyan, A. Shangaraev, B. Sharma, D. Sharma, H. Sharma, M. 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Závada, Nikolay Zavyalov, M. Zhalov, Biao Zhang, C. Zhang, L. Zhang, Maolin Zhang, S. Zhang, Xiaoming Zhang, Yifei Zhang, Z. Zhang, M. Zhao, Vladimir Zherebchevskii, Zhi Yu, Daicui Zhou, Y. Zhou, J. Zhu, Senjie Zhu, Ya Zhu, Stefan Cristi Zugravel, N. Zurlo, ALICE Collaboration
Rattachement africain : fr, de. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The inclusive production of the charm-strange baryon $\Omega_c^0$ is measured for the first time via its semileptonic decay into $\Omega^-$e$^+$ν$_e$ at midrapidity (|y|<0.8) in proton-proton (pp) collisions at the center-of-mass energy $\sqrt{s}$ = 13 TeV with the ALICE detector at the LHC. The transverse momentum (p$_T$) differential cross section multiplied by the branching ratio is presented in the interval 2 < p$_T$ < 12 GeV/c. The branching-fraction ratio BR($\Omega_c^0$→$\Omega^-$e$^+$ν$_e$)/BR($\Omega_c^0$→$\Omega^-$$\pi^+$) is measured to be 1.12±0.22 (stat) ±0.27 (syst). Comparisons with other experimental measurements, as well as with theoretical calculations, are presented.
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