Measurement of the Low-Energy Antideuteron Inelastic Cross Section

Acharya, S.; Adamová, D.; Adler, A.; Adolfsson, J.; Aggarwal, M. M.; Rinella, G. Aglieri; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, Shakeel; Ahn, S. U.; Akbar, Zaenal; Akindinov, A.; Al-Turany, M.; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, D.; Alessandro, B.; Alfanda, Haidar Mas'Ud; Molina, R. Alfaro; Ali, B.; Ali, Y.; Alici, A.; Alizadehvandchali, Negin; Alkin, A.; Alme, J.; Alt, T.; Altenkamper, L.; Altsybeev, I.; Anaam, Mustafa; Andrei, C.; Andreou, D.; Andronic, A.; Angeletti, M.; Anguelov, V.; Anson, C.; Antičić, T.; Antinori, F.; Antonioli, P.; Apadula, N.; Aphecetche, L.; Appelshäuser, H.; Arcelli, S.; Arnaldi, R.; Arratia, M.; Arsene, I. C.; Arslandok, M.; Augustinus, A.; Averbeck, R.; Aziz, S.; Azmi, M. D.; Badalà, A.; Baek, Y. W.; Bagnasco, S.; Bai, Xiaozhi; Bailhache, R.; Bala, R.; Balbino, Alessandro; Baldisseri, A.; Ball, M.; Balouza, S.; Banerjee, Debjani; Barbera, R.; Barioglio, L.; Barnaföldi, G. G.; Barnby, L. S.; Barret, V.; Bartalini, P.; Bartels, Clara; Barth, K.; Bartsch, E.; Baruffaldi, F.; Bastid, N.; Basu, S.; Batigne, G.; Batyunya, B.; Bauri, D.; Alba, J. L. Bazo; Bearden, I. G.; Beattie, Caitlin; Bedda, C.; Behera, N. K.; Belikov, I.; Hechavarria, A. D. C. Bell; Bellini, F.; Bellwied, R.; Belyaev, V.; Bencédi, G.; Beolè, S.; Bercuci, A.; Berdnikov, Y.; Berényi, D.; Bertens, R. A.; Berzano, D.; Besoiu, Mihaela Gabriela; Betev, L.; Bhasin, A.; Bhat, I. R.; Bhat, Mohammad Asif; Bhatt, H.; Bhattacharjee, B.; Bianchi, A.; Bianchi, L.; Bianchi, N.; Bielčík, J.; Bielčíková, J.; Bilandzic, A.; Bíró, G.; Biswas, R.; Biswas, S.; Blair, Justin Thomas; Blau, D.; Blume, C.; Boca, G.; Bock, F.; Bogdanov, A.; Boi, S.; Bok, Jeongsu; Boldizsár, L.; Bolozdynya, A.; Bombara, M.; Bonomi, G.; Borel, H.; Borissov, A.; Bossi, Hannah; Botta, E.; Bratrud, L.; Braun‐Munzinger, P.; Bregant, M.; Broz, M.; Bruna, E.; Brunò, Giuseppe; Buckland, Matthew Daniel; Budnikov, D.; Buesching, H.; Bufalino, S.; Bugnon, Ophelie; Bühler, P.; Bunčić, P.; Buthelezi, Z.; Butt, J.; Bysiak, Sebastian Adam; Caffarri, D.; Caliva, A.; Villar, E. Calvo; Camacho, Juan Manuel Mejia; Camacho, Rabi Soto; Camerini, P.; Canedo, Fabio de Moraes; Capon, A. A.; Carnesecchi, F.; Caron, Robin Albert Andre; Castellanos, J. Castillo; Castro, A. J.; Casula, E. A. R.; Catalano, F.; Sànchez, C. Ceballos; Chakraborty, Pritam; Chandra, S.; Chang, W.; Chapeland, S.; Chartier, M.; Chattopadhyay, S.; Chauvin, A.; Cheshkov, C.; Cheynis, B.; Barroso, V. Chibante; Chinellato, D. D.; Cho, S.; Chochula, P.; Chowdhury, T.; Christakoglou, P.; Christensen, C. H.; Christiansen, P.; Chujo, T.; Cicalò, C.; Cifarelli, L.; Cilladi, Lorenzo de; Cindolo, F.; Ciupek, Michael Rudolf; Clai, G.; Cleymans, J.; Colamaria, F.; Colella, D.; Collu, A.; Colocci, M.; Concas, M.; Balbastre, G. Conesa; Valle, Z. Conesa del; Contin, G.; Contreras, J. G.; Cormier, T. M.; Morales, Y. Corrales; Cortese, P.; Cosentino, M. R.; Costa, F.; Costanza, S.; Crochet, P.; Cuautle, E.; Cui, Pengyao; Cunqueiro, L.; Dąbrowski, D.; Dahms, T.; Dainese, A.; Damas, F. P. A.; Danisch, Meike Charlotte; Danu, A.; Das, D.; Das, I.; Das, P.; Das, S.; Dash, A.; Dash, S.; De, S.; De, A.; Cataldo, G. de; Cuveland, J. de; Falco, A. De; Gruttola, D. De; Marco, N. De; Pasquale, S. De; Deb, Suman; Degenhardt, H. 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Mohisin; Moravcová, Z.; Mordasini, C.; Godoy, D. A. Moreira De; Moreno, L. A. P.; Morozov, I.; Morsch, A.; Mrnjavac, T.; Muccifora, V.; Mudnić, E.; Mühlheim, D.; Muhuri, S.; Mulligan, J. D.; Mulliri, A.; Munhoz, M. G.; Münzer, Robert Helmut; Murakami, H.; Murray, S.; Musa, L.; Mušinský, J.; Myers, C. J.; Myrcha, Julian Wojciech; Naik, B.; Nair, R.; Nandi, B. K.; Nania, R.; Nappi, E.; Naru, M. U.; Nassirpour, Adrian Fereydon; Nattrass, C.; Nayak, R.; Nayak, T. K.; Nazarenko, S.; Neagu, Alexandra; Oliveira, R. A. Negrao De; Nellen, L.; Nesbo, S. V.; Neskovic, G.; Nesterov, D.; Neumann, Lukasz Tomasz; Nielsen, B. S.; Nikolaev, S.; Nikulin, S.; Nikulin, V.; Noferini, F.; Nomokonov, P.; Norman, J.; Novitzky, N.; Nowakowski, Piotr; Nyanin, A.; Nystrand, J.; Ogino, M.; Ohlson, A.; Oleniacz, J.; Silva, A. C. Oliveira Da; Oliver, Michael Henry; Oppedisano, C.; Velasquez, A. Ortiz; Öskarsson, A.; Otwinowski, J.; Oyama, K.; Pachmayer, Y.; Pacik, V.; Padhan, Sonali; Pagano, D.; Paić, G.; Pan, J.; Panebianco, S.; Pareek, P.; Park, J.; Parkkila, Jasper Elias; Parmar, S.; Pathak, S. P.; Paul, B.; Pazzini, J.; Pei, H.; Peitzmann, T.; Peng, X.; Pereira, Luis Gustavo; Costa, H. Pereira Da; Peresunko, D.; Pérez, Guillermo Mesa; Perrin, S.; Pestov, Y.; Petráček, V.; Petrovici, M.; Pezzi, Rafael Peretti; Piano, S.; Pikna, M.; Pillot, P.; Pinazza, O.; Pinsky, L.; Pinto, C.; Pisano, S.; Pistone, Daniele; Płoskoń, M.; Planinić, M.; Pliquett, F.; Poghosyan, M. 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doi:10.1103/physrevlett.125.162001

Cited by 20 publications

(35 citation statements)

References 81 publications

(76 reference statements)

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“…The preliminary result for the 3 He is shown in Fig. 12 and the corresponding result for antideuterons is published in [28]. Further advances in antinuclei measurements are expected in Run 3 and beyond.…”

Section: Beyond Heavy Ions: the Lhc As A General-purpose Qcd Laboratorymentioning

confidence: 83%

Highlights from the ALICE collaboration

Chinellato¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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Section: Beyond Heavy Ions: the Lhc As A General-purpose Qcd Laboratorymentioning

confidence: 83%

Highlights from the ALICE collaboration

Chinellato¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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“…The ALICE collaboration has measured for the first time the inelastic antideuteron-nucleus cross section at small momenta (see Fig. 9) using the detector as an absorber [48]. These kind of measurements will be extended to 3 He and 4 He in LHC Run 3 and 4.…”

Section: Pos(ichep2020)033mentioning

confidence: 99%

Heavy Ions, Experimental Overview

Pachmayer¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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This article gives an overview of recent highlights from experimental measurements of heavy-ion collisions at ultra-relativistic energies: Measurements of electroweak probes constrain both the initial collision geometry and the nuclear parton distribution functions. Results from soft particle production show that the abundance of light-flavour hadrons from pions up to hypertriton and 4 He can be described by a universal temperature and that these participate in the collective motion of the system. There are hints of these effects also in small systems, which will be further investigated in future to understand the underlying mechanisms. Studies of hard probes, such as heavy quarks and jets show that parton energy loss plays an important role in heavy-ion collisions. Differential measurements of J/ψ mesons elucidate their production mechanism, i.e. regeneration, and give evidence for deconfinement in Pb-Pb collisions at LHC full energy. The large data samples at the LHC enable studies of rare probes such as χ c1 (3872) and top-anti-top production. Further, measurements of antinuclei cross sections can provide input for dark matter searches.

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“…The modelling of the behaviour of the background and signal is mandatory to draw conclusions for antinuclei fluxes. This work focuses on 3 He cosmic rays. The full-scale description of the fluxes can be implemented in transport equation which requires the knowledge of three main components: the production cross section, the annihilation cross section and the propagation in the galaxy.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The 3 He production cross sections and the propagation parameters can be constrained using existing experimental data, while no measurement of the inelastic cross section of the 3 He was available up to now. We provide the first ever measurement of the inelastic cross section of 3 He using the ALICE detector as a target material. We implemented the 3 He cosmic ray source functions and our obtained inelastic cross sections in GALPROP to study the effect of annihilation processes in the Galaxy.…”

Section: Introductionmentioning

confidence: 99%

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Antihelium-3 fluxes near Earth using data-driven estimates for annihilation cross section

Šerkšnytė¹,

Acharya²,

Adamová³

et al. 2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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Antinuclei cosmic rays could provide a smoking gun signal for dark matter as this signal is virtually background free. The study of 3 He cosmic rays requires knowledge of their production, propagation and annihilation. While the former two have been already estimated with data-driven methods, there were no experimental data available on the 3 He inelastic cross section. We measured for the first time the inelastic cross section of 3 He using the ALICE detector itself as a target. To study the effect of 3 He annihilation in the galaxy, the 3 He source functions and annihilation cross sections were implemented in GALPROP.

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Measurement of the Low-Energy Antideuteron Inelastic Cross Section

Cited by 20 publications

References 81 publications

Highlights from the ALICE collaboration

Highlights from the ALICE collaboration

Heavy Ions, Experimental Overview

Antihelium-3 fluxes near Earth using data-driven estimates for annihilation cross section

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