Exclusive photoproduction of excited ρmesons decaying to four pions in ultraperipheral Pb-Pb collisions at √sNN=5.02 TeV

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초록

The intense photon fluxes from relativistic nuclei provide an opportunity to study photonuclear interactions in ultraperipheral collisions. In particular, it allows for the investigations of excited, light-flavour vector mesons. The measurement of coherently photoproduced pi(+)pi(-)pi(+)pi(-) final states in ultraperipheral Pb-Pb collisions at root s(NN) = 5.02 TeV is presented for the first time. The cross section, d sigma/dy, times the branching ratio (rho -> pi(+)pi+pi(-)pi(-)) is found to be 47.8 +/- 2.3 (stat.) +/- 7.7 (syst.) mb in the rapidity interval |y| < 0.5. The invariant mass distribution is not well described with a single Breit-Wigner resonance without an interference term. Including interference with a non-resonant contribution results in the mass and width values being too far from those reported in PDG, while the production of two interfering resonances, rho(1450) and rho(1700), also provides a good description of the data. The values of the masses (m) and widths (Gamma) of the resonances extracted from the fit assuming two interfering resonances are m(1) = 1385 +/- 14 (stat.) +/- 3 (syst.) MeV/c(2), Gamma(1) = 431 +/- 36 (stat.) +/- 82 (syst.) MeV/c(2), m2 = 1663 +/- 13 (stat.) +/- 22 (syst.) MeV/c(2) and Gamma(2) = 357 +/- 31 (stat.) +/- 49 (syst.) MeV/c(2), respectively. The measured cross sections times the branching ratios are compared to recent theoretical predictions.

키워드

Ultraperipheral collisionsExclusive photoproductionVector mesonsHIGH-ENERGYPP INTERACTIONSPHOTONPI(+)PI(-)STATESGAMMAMASS
제목
Exclusive photoproduction of excited ρmesons decaying to four pions in ultraperipheral Pb-Pb collisions at √sNN=5.02 TeV
저자
Acharya, S.Adamova, D.Agarwal, A.Rinella, G. AglieriAglietta, L.Agnello, M.Agrawal, N.Ahammed, Z.Ahmad, S.Ahn, S. U.Ahuja, I.Akindinov, A.Akishina, V.Al-Turany, M.Aleksandrov, D.Alessandro, B.Alfanda, H. M.Alfaro Molina, R.Ali, B.Alici, A.Alizadehvandchali, N.Alkin, A.Alme, J.Alocco, G.Alt, T.Altamura, A. R.Altsybeev, I.Alvarado, J. R.Anaam, M. N.Andrei, C.Andreou, N.Andronic, A.Andronov, E.Anguelov, V.Antinori, F.Antonioli, P.Apadula, N.Aphecetche, L.Appelshauser, H.Arata, C.Arcelli, S.Aresti, M.Arnaldi, R.Arneiro, J. G. M. C. A.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Azmi, M. D.Baba, H.Badala, A.Bae, J.Baek, Y. W.Bai, X.Bailhache, R.Bailung, Y.Bala, R.Balbino, A.Baldisseri, A.Balis, B.Banerjee, D.Banoo, Z.Barbasova, V.Barile, F.Barioglio, L.Barlou, M.Barman, B.Barnafoldi, G. G.Barnby, L. S.Barreau, E.Barret, V.Barreto, L.Bartels, C.Barth, K.Bartsch, E.Bastid, N.Basu, S.Batigne, G.Battistini, D.Batyunya, B.Bauri, D.Bazo Alba, J. L.Bearden, I. G.Beattie, C.Becht, P.Behera, D.Belikov, I.Hechavarria, A. D. C. BellBellini, F.Bellwied, R.Belokurova, S.Beltran, L. G. E.Beltran, Y. A. V.Bencedi, G.Bensaoula, A.Beole, S.Berdnikov, Y.Berdnikova, A.Bergmann, L.Besoiu, M. G.Betev, L.Bhaduri, P. P.Bhasin, A.Bhat, M. A.Bhattacharjee, B.Bianchi, L.Bianchi, N.Bielcik, J.Bielcikova, J.Bigot, A. P.Bilandzic, A.Biro, G.Biswas, S.Bize, N.Blair, J. T.Blau, D.Blidaru, M. B.Bluhme, N.Blume, C.Boca, G.Bock, F.Bodova, T.Bok, J.Boldizsar, L.Bombara, M.Bond, P. M.Bonomi, G.Borel, H.Borissov, A.Carcamo, A. G. BorquezBossi, H.Botta, E.Bouziani, Y. E. M.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Bruno, G. E.Buckland, M. D.Budnikov, D.Buesching, H.Bufalino, S.Buhler, P.Burmasov, N.Buthelezi, Z.Bylinkin, A.Bysiak, S. A.Cabanillas Noris, J. C.Cabrera, M. F. T.Cai, M.Caines, H.Caliva, A.Calvo Villar, E.Camacho, J. M. M.Camerini, P.Canedo, F. D. M.Cantway, S. L.Carabas, M.Carballo, A. A.Carnesecchi, F.Caron, R.Carvalho, L. A. D.Castellanos, J. CastilloCastoldi, M.Catalano, F.Cattaruzzi, S.Sanchez, C. CeballosCerri, R.Chakaberia, I.Chakraborty, P.Chandra, S.Chapeland, S.Chartier, M.Chattopadhay, S.Cheng, T.Cheshkov, C.Barroso, V. ChibanteChinellato, D. D.Chizzali, E. S.Cho, J.Cho, S.Chochula, P.Chochulska, Z. A.Choudhury, D.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Ciacco, M.Cicalo, C.Ciupek, M. R.Clai, G.Colamaria, F.Colburn, J. S.Colella, D.Colocci, M.Concas, M.Balbastre, G. Conesadel Valle, Z. ConesaContin, G.Contreras, J. G.Coquet, M. L.Cortese, P.Cosentino, M. R.Costa, F.Costanza, S.Cot, C.Crkovska, J.Crochet, P.Cruz-Torres, R.Czarnynoga, M. M.Dainese, A.Dange, G.Danisch, M. C.Danu, A.Das, P.Das, S.Dash, A. R.Dash, S.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Martin, C.De Pasquale, S.Deb, R.Del Grande, R.Dello Stritto, L.Deng, W.Devereaux, K. C.Dhankher, P.Di Bari, D.Di Mauro, A.Diab, B.Diaz, R. A.Dietel, T.Ding, Y.Ditzel, J.Divia, R.Djuvsland, O.Dmitrieva, U.Dobrin, A.Donigus, B.Dubinski, J. M.Dubla, A.Dupieux, P.Dzalaiova, N.Eder, T. M.Ehlers, R. J.Eisenhut, F.Ejima, R.Elia, D.Erazmus, B.Ercolessi, F.Espagnon, B.Eulisse, G.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fan, W.Fantoni, A.Fasel, M.Feliciello, A.Feofilov, G.Fernandez Tellez, A.Ferrandi, L.Ferrer, M. B.Ferrero, A.Ferrero, C.Ferretti, A.Feuillard, V. J. G.Filova, V.Finogeev, D.Fionda, F. M.Flatland, E.Flor, F.Flores, A. N.Foertsch, S.Fokin, I.Fokin, S.Follo, U.Fragiacomo, E.Frajna, E.Fuchs, U.Funicello, N.Furget, C.Furs, A.Fusayasu, T.Gaardhoje, J. J.Gagliardi, M.Gago, A. M.Gahlaut, T.Galvan, C. D.Gangadharan, D. R.Ganoti, P.Garabatos, C.Garcia, J. M.Garcia Chavez, T.Garcia-Solis, E.Gargiulo, C.Gasik, P.Gaur, H. M.Gautam, A.Gay Ducati, M. B.Germain, M.Ghimouz, A.Ghosh, C.Giacalone, M.Gioachin, G.Giubellino, P.Giubilato, P.Glaenzer, A. M. C.Glassel, P.Glimos, E.Goh, D. J. Q.Gonzalez, V.Gordeev, P.Gorgon, M.Goswami, K.Gotovac, S.Grabski, V.Graczykowski, L. K.Grecka, E.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Grund, D.Grunwald, N. A.Guardiano, G. G.Guernane, R.Guilbaud, M.Gulbrandsen, K.Gundem, T.Gunji, T.Guo, W.Gupta, A.Gupta, R.Gupta, R.Gwizdziel, K.Gyulai, L.Hadjidakis, C.Haider, F. U.Haidlova, S.Haldar, M.Hamagaki, H.Hamdi, A.Han, Y.Hanley, B. G.Hansen, J.Haque, M. R.Harris, J. W.Harton, A.Hartung, M. V.Hassan, H.Hatzifotiadou, D.Hauer, P.Havener, L. B.Hellbar, E.Helstrup, H.Hemmer, M.Herman, T.Hernandez, S. G.Corral, G. HerreraHerrmann, F.Herrmann, S.Hetland, K. F.Heybeck, B.Hillemanns, H.Hippolyte, B.Hoffmann, F. W.Hofman, B.Hong, G. H.Horst, M.Horzyk, A.Hou, Y.Hristov, P.Huhn, P.Huhta, L. M.Humanic, T. J.Hutson, A.Hutter, D.Hwang, M. C.Ilkaev, R.Inaba, M.Innocenti, G. M.Ippolitov, M.Isakov, A.Isidori, T.Islam, M. S.Iurchenko, S.Ivanov, M.Ivanov, M.Ivanov, V.Iversen, K. E.Jablonski, M.Jacak, B.Jacazio, N.Jacobs, P. M.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M. J.Janik, M. A.Janson, T.Ji, S.Jia, S.Jimenez, A. A. P.Jonas, F.Jones, D. M.Jowett, J. M.Jung, J.Jung, M.Junique, A.Jusko, A.Kaewjai, J.Kalinak, P.Kalweit, A.Uysal, A. KarasuKaratovic, D.Karavichev, O.Karavicheva, T.Karpechev, E.Karwowska, M. J.Kebschull, U.Keidel, R.Keil, M.Ketzer, B.Khade, S. S.Khan, A. M.Khan, S.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Khuranova, Z.Kileng, B.Kim, B.Kim, C.Kim, D. J.Kim, E. J.Kim, J.Kim, M.Kim, S.Kim, T.Kimura, K.Kirkova, A.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Kitowski, J. P.Klay, J. L.Klein, J.Klein, S.Klein-Bosing, C.Kleiner, M.Klemenz, T.Kluge, A.Kobdaj, C.Kohara, R.Kollegger, T.Kondratyev, A.Kondratyeva, N.Konig, J.Konigstorfer, S. A.Konopka, P. J.Kornakov, G.Korwieser, M.Koryciak, S. D.Koster, C.Kotliarov, A.Kovacic, N.Kovalenko, V.Kowalski, M.Kozhuharov, V.Kralik, I.Kravcakova, A.Krcal, L.Krivda, M.Krizek, F.Gajdosova, K. KrizkovaKrug, C.Kruger, M.Krupova, D. M.Kryshen, E.Kucera, V.Kuhn, C.Kuijer, P. G.Kumaoka, T.Kumar, D.Kumar, L.Kumar, N.Kumar, S.Kundu, S.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kuskov, V.Kutyla, M.Kweon, M. J.Kwon, Y.La Pointe, S. L.La Rocca, P.Lakrathok, A.Lamanna, M.Landou, A. R.Langoy, R.Larionov, P.Laudi, E.Lautner, L.Laveaga, R. A. N.Lavicka, R.Lea, R.Lee, H.Legrand, I.Legras, G.Lehrbach, J.Lelek, T. M.Lemmon, R. C.Monzon, I. LeonLesch, M. M.Lesser, E. D.Levai, P.Li, M.Li, X.Liang-Gilman, B. E.Lien, J.Lietava, R.Likmeta, I.Lim, B.Lim, S. H.Lindenstruth, V.Lindner, A.Lippmann, C.Liu, D. H.Liu, J.Liveraro, G. S. S.Lofnes, I. M.Loizides, C.Lokos, S.Lomker, J.Lopez, X.Lopez Torres, E.Lu, P.Lugo, F. V.Luhder, J. R.Lunardon, M.Luparello, G.Ma, Y. G.Mager, M.Maire, A.Majerz, E. M.Makariev, M. V.Malaev, M.Malfattore, G.Malik, N. M.Malik, Q. W.Malik, S. K.Malinina, L.Mallick, D.Mallick, N.Mandaglio, G.Mandal, S. K.Manea, A.Manko, V.Manso, F.Manzari, V.Mao, Y.Marcjan, R. W.Margagliotti, G. V.Margotti, A.Marin, A.Markert, C.Martinengo, P.Martinez, M. I.Martinez Garcia, G.Martins, M. P. P.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Massen, O.Mastroserio, A.Matonoha, O.Mattiazzo, S.Matyja, A.Mazuecos, A. L.Mazzaschi, F.Mazzilli, M.Mdhluli, J. E.Melikyan, Y.Melo, M.Menchaca-Rocha, A.Mendez, J. E. M.Meninno, E.Menon, A. S.Menzel, M. W.Meres, M.Miake, Y.Micheletti, L.Mihaylov, D. L.Mikhaylov, K.Minafra, N.Miskowiec, D.Modak, A.Mohanty, B.Khan, M. MohisinMolander, M. A.Monira, S.Mordasini, C.De Godoy, D. A. MoreiraMorozov, I.Morsch, A.Mrnjavac, T.Muccifora, V.Muhuri, S.Mulligan, J. D.Mulliri, A.Munhoz, M. G.Munzer, R. H.Murakami, H.Murray, S.Musa, L.Musinsky, J.Myrcha, J. W.Naik, B.Nambrath, A. I.Nandi, B. K.Nania, R.Nappi, E.Nassirpour, A. F.Nath, A.Nattrass, C.Naydenov, M. N.Neagu, A.Negru, A.Nekrasova, E.Nellen, L.Nepeivoda, R.Nese, S.Nicassio, N.Nielsen, B. S.Nielsen, E. G.Nikolaev, S.Nikulin, S.Nikulin, V.Noferini, F.Noh, S.Nomokonov, P.Norman, J.Novitzky, N.Nowakowski, P.Nyanin, A.Nystrand, J.Oh, S.Ohlson, A.Okorokov, V. A.Oleniacz, J.Onnerstad, A.Oppedisano, C.Velasquez, A. OrtizOtwinowski, J.Oya, M.Oyama, K.Pachmayer, Y.Padhan, S.Pagano, D.Paic, G.Paisano-Guzman, S.Palasciano, A.Panebianco, S.Park, H.Park, H.Parkkila, J. E.Patley, Y.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pennisi, M.Perciballi, S.Peresunko, D.Perez, G. M.Pestov, Y.Petersen, M. T.Petrov, V.Petrovici, M.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pinto, C.Pisano, S.Ploskon, M.Planinic, M.Pliquett, F.Poghosyan, M. G.Polichtchouk, B.Politano, S.Poljak, N.Pop, A.Porteboeuf-Houssais, S.Pozdniakov, V.Pozos, I. Y.Pradhan, K. K.Prasad, S. K.Prasad, S.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Pucillo, S.Qiu, S.Quaglia, L.Ragoni, S.Rai, A.Rakotozafindrabe, A.Ramello, L.Rami, F.Ramirez-Alvarez, C. O.Rasa, M.Rasanen, S. S.Rath, R.Rauch, M. P.Ravasenga, I.Read, K. F.Reckziegel, C.Redelbach, A. R.Redlich, K.Reetz, C. A.Regules-Medel, H. D.Rehman, A.Reidt, F.Reme-Ness, H. A.Rescakova, Z.Reygers, K.Riabov, A.Riabov, V.Ricci, R.Richter, M.Riedel, A. A.Riegler, W.Riffero, A. G.Ripoli, C.Ristea, C.Rodriguez, M. V.Cahuantzi, M. RodriguezRamirez, S. A. RodriguezRoed, K.Rogalev, R.Rogochaya, E.Rogoschinski, T. S.Rohr, D.Rohrich, D.Torres, S. RojasRokita, P. S.Romanenko, G.Ronchetti, F.Rosas, E. D.Roslon, K.Rossi, A.Roy, A.Roy, S.Rubini, N.Ruggiano, D.Rui, R.Russek, P. G.Russo, R.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Ryu, J.Rzesa, W.Sadhu, S.Sadovsky, S.Saetre, J.Safarik, K.Saha, S.Sahoo, B.Sahoo, R.Sahoo, S.Sahu, D.Sahu, P. K.Saini, J.Sajdakova, K.Sakai, S.Salvan, M. P.Sambyal, S.Samitz, D.Sanna, I.Saramela, T. B.Sarkar, D.Sarma, P.Sarritzu, V.Sarti, V. M.Sas, M. H. P.Sawan, S.Scapparone, E.Schambach, J.Scheid, H. S.Schiaua, C.Schicker, R.Schlepper, F.Schmah, A.Schmidt, C.Schmidt, H. R.Schmidt, M. O.Schmidt, M.Schmidt, N. V.Schmier, A. R.Schotter, R.Schroter, A.Schukraft, J.Schweda, K.Scioli, G.Scomparin, E.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selina, M.Selyuzhenkov, I.Senyukov, S.Seo, J. J.Serebryakov, D.Serkin, L.Serksnyte, L.Sevcenco, A.Shaba, T. J.Shabetai, A.Shahoyan, R.Shangaraev, A.Sharma, B.Sharma, D.Sharma, H.Sharma, M.Sharma, S.Sharma, U.Shatat, A.Sheibani, O.Shigaki, K.Shimomura, M.Shin, J.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silva, T. F.Silvermyr, D.Simantathammakul, T.Simeonov, R.Singh, B.Singh, B.Singh, K.Singh, R.Singh, S.Singh, V. K.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Skorodumovs, G.Smirnov, N.Snellings, R. J. M.Solheim, E. H.Song, J.Sonnabend, C.Sonneveld, J. M.Soramel, F.Soto-Hernandez, A. B.Spijkers, R.Sputowska, I.Staa, J.Stachel, J.Stan, I.Steffanic, P. J.Stiefelmaier, S. F.Stocco, D.Storehaug, I.Strangmann, N. J.Stratmann, P.Strazzi, S.Sturniolo, A.Stylianidis, C. P.Suaide, A. A. P.Suire, C.Sukhanov, M.Suljic, M.Sultanov, R.Sumberia, V.Sumowidagdo, S.Szarka, I.Szymkowski, M.Taghavi, S. F.Taillepied, G.Takahashi, J.Tambave, G. J.Tang, S.Tang, Z.Takaki, J. D. TapiaTapus, N.Tarasovicova, L. A.Tarzila, M. G.Tassielli, G. F.Tauro, A.Garcia, A. TaviraMunoz, G. TejedaTerlizzi, L.Terrevoli, C.Thakur, S.Thomas, D.Tikhonov, A.Tiltmann, N.Timmins, A. R.Tkacik, M.Tkacik, T.Toia, A.Tokumoto, R.Tomassini, S.Tomohiro, K.Topilskaya, N.Toppi, M.Tork, T.Torres, V. V.Ramos, A. G. TorresTrifiro, A.Triolo, A. S.Tripathy, S.Tripathy, T.Trubnikov, V.Trzaska, W. H.Trzcinski, T. P.Tsolanta, C.Tumkin, A.Turrisi, R.Tveter, T. S.Ullaland, K.Ulukutlu, B.Uras, A.Urioni, M.Usai, G. L.Vala, M.Valle, N.van Doremalen, L. V. R.van Leeuwen, M.van Veen, C. A.van Weelden, R. J. G.Vande Vyvre, P.Varga, D.Varga, Z.Torres, P. VargasVasileiou, M.Vasiliev, A.Doce, O. VazquezRueda, O. VazquezVechernin, V.Vercellin, E.Limon, S. VergaraVerma, R.Vermunt, L.Vertesi, R.Verweij, M.Vickovic, L.Vilakazi, Z.Baillie, O. VillalobosVillani, A.Vinogradov, A.Virgili, T.Virta, M. M. O.Vislavicius, V.Vodopyanov, A.Volkel, B.Volkl, M. A.Voloshin, S. A.Volpe, G.von Haller, B.Vorobyev, I.Vozniuk, N.Vrlakova, J.Wan, J.Wang, C.Wang, D.Wang, Y.Wegrzynek, A.Weiglhofer, F. T.Wenzel, S. C.Wessels, J. P.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G. A.Windelband, B.Winn, M.Wright, J. R.Wu, W.Wu, Y.Xiong, Z.Xu, R.Yadav, A.Yadav, A. K.Yamaguchi, Y.Yang, S.Yano, S.Yeats, E. R.Yin, Z.Yoo, I. -K.Yoon, J. H.Yu, H.Yuan, S.Yuncu, A.Zaccolo, V.Zampolli, C.Zanone, F.Zardoshti, N.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zhalov, M.Zhang, B.Zhang, C.Zhang, L.Zhang, M.Zhang, S.Zhang, X.Zhang, Y.Zhang, Z.Zhao, M.Zherebchevskii, V.Zhi, Y.Zhong, C.Zhou, D.Zhou, Y.Zhu, J.Zhu, S.Zhu, Y.Zugravel, S. C.Zurlo, N.
DOI
10.1016/j.physletb.2025.140006
발행일
2026-01
유형
Article
저널명
PHYSICS LETTERS B
872