Observation of an exotic narrow doubly charmed tetraquark

Conventional, hadronic matter consists of baryons and mesons made of three quarks and a quark–antiquark pair, respectively 1 , 2 . Here, we report the observation of a hadronic state containing four quarks in the Large Hadron Collider beauty experiment. This so-called tetraquark contains two charm q...

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Vydáno v:	Nature physics Ročník 18; číslo 7; s. 751 - 754
Hlavní autoři:	Aaij, R., Abdelmotteleb, A. S. W., Abellán Beteta, C., Abudinen Gallego, F. J., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., Agapopoulou, C., Aidala, C. A., Aiola, S., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A., Aliouche, Z., Alkhazov, G., Alvarez Cartelle, P., Amato, S., Amey, J. L., Amhis, Y., An, L., Anderlini, L., Andreianov, A., Andreotti, M., Archilli, F., Artamonov, A., Artuso, M., Arzymatov, K., Aslanides, E., Atzeni, M., Audurier, B., Bachmann, S., Bachmayer, M., Back, J. J., Baladron Rodriguez, P., Balagura, V., Baldini, W., Baptista Leite, J., Barbetti, M., Barlow, R. J., Barsuk, S., Barter, W., Bartolini, M., Baryshnikov, F., Basels, J. M., Bashir, S., Bassi, G., Batsukh, B., Battig, A., Bay, A., Beck, A., Becker, M., Bedeschi, F., Bediaga, I., Beiter, A., Belavin, V., Belin, S., Bellee, V., Belous, K., Belov, I., Belyaev, I., Bencivenni, G., Ben-Haim, E., Berezhnoy, A., Bernet, R., Berninghoff, D., Bernstein, H. C., Bertella, C., Bertolin, A., Betancourt, C., Betti, F., Bezshyiko, Ia, Bhasin, S., Bhom, J., Bian, L., Bieker, M. S., Bifani, S., Billoir, P., Birch, M., Bishop, F. C. R., Bitadze, A., Bizzeti, A., Bjørn, M., Blago, M. P., Blake, T., Blanc, F., Blusk, S., Bobulska, D., Boelhauve, J. A., Boente Garcia, O., Boettcher, T., Boldyrev, A., Bondar, A., Bondar, N., Borghi, S., Borisyak, M., Borsato, M.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	London Nature Publishing Group UK 01.07.2022 Nature Publishing Group Nature Publishing Group [2005-....] Nature Publishing Group (NPG)
Témata:	639/766/419/1131 639/766/419/1132 Atomic Charm (particle physics) Classical and Continuum Physics Complex Systems Condensed Matter Physics Experimental particle physics High Energy Physics - Experiment Large Hadron Collider Letter Mathematical and Computational Physics Mesons Molecular Optical and Plasma Physics Phenomenology Physics Physics and Astronomy Quarks Sensors Spectrum analysis Theoretical experimental results CERN LHC Coll LHC-B resonance: exotic mass: threshold charm: 2 tetraquark 8000 GeV-cms mass spectrum: (2D0 pi+) matter: hadronic resonance: production resonance: mass p p: scattering p p: colliding beams narrow resonance 7000 GeV-cms 13000 GeV-cms
ISSN:	1745-2473, 1745-2481, 1745-2481
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