Photoproduction of
K+K−
Pairs in Ultraperipheral Collisions
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Published:2024-05-31
Issue:22
Volume:132
Page:
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ISSN:0031-9007
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Container-title:Physical Review Letters
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language:en
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Short-container-title:Phys. Rev. Lett.
Author:
Acharya S.1ORCID, Adamová D.2ORCID, Aglieri Rinella G.3ORCID, Agnello M.4ORCID, Agrawal N.5ORCID, Ahammed Z.6ORCID, Ahmad S.7ORCID, Ahn S. U.8ORCID, Ahuja I.9ORCID, Akindinov A.3ORCID, Al-Turany M.10ORCID, Aleksandrov D.3ORCID, Alessandro B.5ORCID, Alfanda H. M.11ORCID, Alfaro Molina R.12ORCID, Ali B.7ORCID, Alici A.13ORCID, Alizadehvandchali N.14ORCID, Alkin A.3ORCID, Alme J.15ORCID, Alocco G.5ORCID, Alt T.16ORCID, Altamura A. R.5ORCID, Altsybeev I.17ORCID, Alvarado J. R.18ORCID, Anaam M. N.11ORCID, Andrei C.19ORCID, Andreou N.20ORCID, Andronic A.21ORCID, Andronov E.3ORCID, Anguelov V.22ORCID, Antinori F.5ORCID, Antonioli P.5ORCID, Apadula N.23ORCID, Aphecetche L.24ORCID, Appelshäuser H.16ORCID, Arata C.25ORCID, Arcelli S.13ORCID, Aresti M.26ORCID, Arnaldi R.5ORCID, Arneiro J. G. M. C. A.27ORCID, Arsene I. C.28ORCID, Arslandok M.29ORCID, Augustinus A.3ORCID, Averbeck R.10ORCID, Azmi M. D.7ORCID, Baba H.30, Badalà A.5ORCID, Bae J.31ORCID, Baek Y. W.32ORCID, Bai X.33ORCID, Bailhache R.16ORCID, Bailung Y.34ORCID, Bala R.35ORCID, Balbino A.4ORCID, Baldisseri A.36ORCID, Balis B.37ORCID, Banerjee D.38ORCID, Banoo Z.35ORCID, Barile F.39ORCID, Barioglio L.17ORCID, Barlou M.40, Barman B.41, Barnaföldi G. G.42ORCID, Barnby L. S.43ORCID, Barreau E.24ORCID, Barret V.1ORCID, Barreto L.27ORCID, Bartels C.44ORCID, Barth K.3ORCID, Bartsch E.16ORCID, Bastid N.1ORCID, Basu S.45ORCID, Batigne G.24ORCID, Battistini D.17ORCID, Batyunya B.3ORCID, Bauri D.34, Bazo Alba J. L.46ORCID, Bearden I. G.47ORCID, Beattie C.29ORCID, Becht P.10ORCID, Behera D.34ORCID, Belikov I.48ORCID, Bell Hechavarria A. D. C.21ORCID, Bellini F.13ORCID, Bellwied R.14ORCID, Belokurova S.3ORCID, Beltran L. G. E.49ORCID, Beltran Y. A. V.18ORCID, Bencedi G.42ORCID, Beole S.26ORCID, Berdnikov Y.3ORCID, Berdnikova A.22ORCID, Bergmann L.22ORCID, Besoiu M. G.50ORCID, Betev L.3ORCID, Bhaduri P. P.6ORCID, Bhasin A.35ORCID, Bhat M. A.38ORCID, Bhattacharjee B.41ORCID, Bianchi L.26ORCID, Bianchi N.5ORCID, Bielčík J.51ORCID, Bielčíková J.2ORCID, Bigot A. P.48ORCID, Bilandzic A.17ORCID, Biro G.42ORCID, Biswas S.38ORCID, Bize N.24ORCID, Blair J. T.52ORCID, Blau D.3ORCID, Blidaru M. B.10ORCID, Bluhme N.16, Blume C.16ORCID, Boca G.535ORCID, Bock F.54ORCID, Bodova T.15ORCID, Boi S.26ORCID, Bok J.55ORCID, Boldizsár L.42ORCID, Bombara M.9ORCID, Bond P. M.3ORCID, Bonomi G.556ORCID, Borel H.36ORCID, Borissov A.3ORCID, Borquez Carcamo A. G.22ORCID, Bossi H.29ORCID, Botta E.26ORCID, Bouziani Y. E. M.16ORCID, Bratrud L.16ORCID, Braun-Munzinger P.10ORCID, Bregant M.27ORCID, Broz M.51ORCID, Bruno G. E.3957ORCID, Buckland M. D.26ORCID, Budnikov D.3ORCID, Buesching H.16ORCID, Bufalino S.4ORCID, Buhler P.58ORCID, Burmasov N.3ORCID, Buthelezi Z.5960ORCID, Bylinkin A.15ORCID, Bysiak S. A.61, Cabanillas Noris J. C.49ORCID, Cai M.11ORCID, Caines H.29ORCID, Caliva A.62ORCID, Calvo Villar E.46ORCID, Camacho J. M. M.49ORCID, Camerini P.26ORCID, Canedo F. D. M.27ORCID, Cantway S. L.29ORCID, Carabas M.63ORCID, Carballo A. A.3ORCID, Carnesecchi F.3ORCID, Caron R.64ORCID, Carvalho L. A. D.27ORCID, Castillo Castellanos J.36ORCID, Catalano F.263ORCID, Ceballos Sanchez C.3ORCID, Chakaberia I.23ORCID, Chakraborty P.34ORCID, Chandra S.6ORCID, Chapeland S.3ORCID, Chartier M.44ORCID, Chattopadhyay S.6ORCID, Chattopadhyay S.65ORCID, Cheng T.1110ORCID, Cheshkov C.64ORCID, Cheynis B.64ORCID, Chibante Barroso V.3ORCID, Chinellato D. D.66ORCID, Chizzali E. S.17ORCID, Cho J.67ORCID, Cho S.67ORCID, Chochula P.3ORCID, Choudhury D.41, Christakoglou P.68ORCID, Christensen C. H.47ORCID, Christiansen P.45ORCID, Chujo T.69ORCID, Ciacco M.4ORCID, Cicalo C.5ORCID, Ciupek M. R.10, Clai G.5, Colamaria F.5ORCID, Colburn J. S.70, Colella D.3957ORCID, Colocci M.13ORCID, Concas M.3ORCID, Conesa Balbastre G.25ORCID, Conesa del Valle Z.36ORCID, Contin G.26ORCID, Contreras J. G.51ORCID, Coquet M. L.36ORCID, Cortese P.571ORCID, Cosentino M. R.72ORCID, Costa F.3ORCID, Costanza S.535ORCID, Cot C.36ORCID, Crkovská J.22ORCID, Crochet P.1ORCID, Cruz-Torres R.23ORCID, Cui P.11ORCID, Dainese A.5ORCID, Danisch M. C.22ORCID, Danu A.50ORCID, Das P.73ORCID, Das P.38ORCID, Das S.38ORCID, Dash A. R.21ORCID, Dash S.34ORCID, De Caro A.62ORCID, de Cataldo G.5ORCID, de Cuveland J.16, De Falco A.26ORCID, De Gruttola D.62ORCID, De Marco N.5ORCID, De Martin C.26ORCID, De Pasquale S.62ORCID, Deb R.56ORCID, Del Grande R.17ORCID, Dello Stritto L.623ORCID, Deng W.11ORCID, Dhankher P.74ORCID, Di Bari D.39ORCID, Di Mauro A.3ORCID, Diab B.36ORCID, Diaz R. A.753ORCID, Dietel T.76ORCID, Ding Y.11ORCID, Ditzel J.16ORCID, Divià R.3ORCID, Dixit D. U.74ORCID, Djuvsland Ø.15, Dmitrieva U.3ORCID, Dobrin A.50ORCID, Dönigus B.16ORCID, Dubinski J. M.77ORCID, Dubla A.10ORCID, Dudi S.78ORCID, Dupieux P.1ORCID, Durkac M.79, Dzalaiova N.80, Eder T. M.21ORCID, Ehlers R. J.23ORCID, Eisenhut F.16ORCID, Ejima R.81, Elia D.5ORCID, Erazmus B.24ORCID, Ercolessi F.13ORCID, Espagnon B.36ORCID, Eulisse G.3ORCID, Evans D.70ORCID, Evdokimov S.3ORCID, Fabbietti L.17ORCID, Faggin M.13ORCID, Faivre J.25ORCID, Fan F.11ORCID, Fan W.23ORCID, Fantoni A.5ORCID, Fasel M.54ORCID, Feliciello A.5ORCID, Feofilov G.3ORCID, Fernández Téllez A.18ORCID, Ferrandi L.27ORCID, Ferrer M. B.3ORCID, Ferrero A.36ORCID, Ferrero C.5ORCID, Ferretti A.26ORCID, Feuillard V. J. G.22ORCID, Filova V.51ORCID, Finogeev D.3ORCID, Fionda F. M.5ORCID, Flatland E.3, Flor F.14ORCID, Flores A. N.52ORCID, Foertsch S.59ORCID, Fokin I.22ORCID, Fokin S.3ORCID, Fragiacomo E.5ORCID, Frajna E.42ORCID, Fuchs U.3ORCID, Funicello N.62ORCID, Furget C.25ORCID, Furs A.3ORCID, Fusayasu T.82ORCID, Gaardhøje J. J.47ORCID, Gagliardi M.26ORCID, Gago A. M.46ORCID, Gahlaut T.34, Galvan C. D.49ORCID, Gangadharan D. R.14ORCID, Ganoti P.40ORCID, Garabatos C.10ORCID, García Chávez T.18ORCID, Garcia-Solis E.83ORCID, Gargiulo C.3ORCID, Gasik P.10ORCID, Gautam A.84ORCID, Gay Ducati M. B.85ORCID, Germain M.24ORCID, Ghimouz A.69, Ghosh C.6, Giacalone M.5ORCID, Gioachin G.4ORCID, Giubellino P.510ORCID, Giubilato P.13ORCID, Glaenzer A. M. C.36ORCID, Glässel P.22ORCID, Glimos E.86ORCID, Goh D. J. Q.87, Gonzalez V.88ORCID, Gordeev P.3ORCID, Gorgon M.37ORCID, Goswami K.34ORCID, Gotovac S.89, Grabski V.12ORCID, Graczykowski L. K.77ORCID, Grecka E.2ORCID, Grelli A.90ORCID, Grigoras C.3ORCID, Grigoriev V.3ORCID, Grigoryan S.913ORCID, Grosa F.3ORCID, Grosse-Oetringhaus J. F.3ORCID, Grosso R.10ORCID, Grund D.51ORCID, Grunwald N. A.22, Guardiano G. G.66ORCID, Guernane R.25ORCID, Guilbaud M.24ORCID, Gulbrandsen K.47ORCID, Gündem T.16ORCID, Gunji T.30ORCID, Guo W.11ORCID, Gupta A.35ORCID, Gupta R.35ORCID, Gupta R.34ORCID, Gwizdziel K.77ORCID, Gyulai L.42ORCID, Hadjidakis C.36ORCID, Haider F. U.35ORCID, Haidlova S.51ORCID, Haldar M.38, Hamagaki H.87ORCID, Hamdi A.23ORCID, Han Y.92ORCID, Hanley B. G.88ORCID, Hannigan R.52ORCID, Hansen J.45ORCID, Harris J. W.29ORCID, Harton A.83ORCID, Hartung M. V.16ORCID, Hassan H.93ORCID, Hatzifotiadou D.5ORCID, Hauer P.94ORCID, Havener L. B.29ORCID, Hellbär E.10ORCID, Helstrup H.95ORCID, Hemmer M.16ORCID, Herman T.51ORCID, Herrera Corral G.96ORCID, Herrmann F.21, Herrmann S.64ORCID, Hetland K. F.95ORCID, Heybeck B.16ORCID, Hillemanns H.3ORCID, Hippolyte B.48ORCID, Hoffmann F. W.97ORCID, Hofman B.90ORCID, Hong G. H.92ORCID, Horst M.17ORCID, Horzyk A.37ORCID, Hou Y.11ORCID, Hristov P.3ORCID, Hughes C.86ORCID, Huhn P.16, Huhta L. M.93ORCID, Humanic T. J.98ORCID, Hutson A.14ORCID, Hutter D.16ORCID, Hwang M. C.74ORCID, Ilkaev R.3, Ilyas H.99ORCID, Inaba M.69ORCID, Innocenti G. M.3ORCID, Ippolitov M.3ORCID, Isakov A.682ORCID, Isidori T.84ORCID, Islam M. S.65ORCID, Ivanov M.80ORCID, Ivanov M.10, Ivanov V.3ORCID, Iversen K. E.45ORCID, Jablonski M.37ORCID, Jacak B.7423ORCID, Jacazio N.13ORCID, Jacobs P. M.23ORCID, Jadlovska S.79, Jadlovsky J.79, Jaelani S.100ORCID, Jahnke C.27ORCID, Jakubowska M. J.77ORCID, Janik M. A.77ORCID, Janson T.97, Ji S.55ORCID, Jia S.101ORCID, Jimenez A. A. P.12ORCID, Jonas F.235421ORCID, Jones D. M.44ORCID, Jowett J. M.310ORCID, Jung J.16ORCID, Jung M.16ORCID, Junique A.3ORCID, Jusko A.70ORCID, Kaewjai J.102, Kalinak P.103ORCID, Kalteyer A. S.10ORCID, Kalweit A.3ORCID, Karasu Uysal A.104ORCID, Karatovic D.105ORCID, Karavichev O.3ORCID, Karavicheva T.3ORCID, Karczmarczyk P.77ORCID, Karpechev E.3ORCID, Karwowska M. J.377ORCID, Kebschull U.97ORCID, Keidel R.106ORCID, Keijdener D. L. D.90, Keil M.3ORCID, Ketzer B.94ORCID, Khade S. S.34ORCID, Khan A. M.33ORCID, Khan S.7ORCID, Khanzadeev A.3ORCID, Kharlov Y.3ORCID, Khatun A.84ORCID, Khuntia A.51ORCID, Khuranova Z.16ORCID, Kileng B.95ORCID, Kim B.31ORCID, Kim C.55ORCID, Kim D. J.93ORCID, Kim E. J.107ORCID, Kim J.92ORCID, Kim J.67ORCID, Kim J.107ORCID, Kim M.74ORCID, Kim S.108ORCID, Kim T.92ORCID, Kimura K.81ORCID, Kirsch S.16ORCID, Kisel I.16ORCID, Kiselev S.3ORCID, Kisiel A.77ORCID, Kitowski J. P.37ORCID, Klay J. L.109ORCID, Klein J.3ORCID, Klein S.23ORCID, Klein-Bösing C.21ORCID, Kleiner M.16ORCID, Klemenz T.17ORCID, Kluge A.3ORCID, Kobdaj C.102ORCID, Kollegger T.10, Kondratyev A.3ORCID, Kondratyeva N.3ORCID, Konig J.16ORCID, Konigstorfer S. A.17ORCID, Konopka P. J.3ORCID, Kornakov G.77ORCID, Korwieser M.17ORCID, Koryciak S. D.37ORCID, Kotliarov A.2ORCID, Kovacic N.105, Kovalenko V.3ORCID, Kowalski M.61ORCID, Kozhuharov V.110ORCID, Králik I.103ORCID, Kravčáková A.9ORCID, Krcal L.316ORCID, Krivda M.10370ORCID, Krizek F.2ORCID, Krizkova Gajdosova K.3ORCID, Kroesen M.22ORCID, Krüger M.16ORCID, Krupova D. M.51ORCID, Kryshen E.3ORCID, Kučera V.67ORCID, Kuhn C.48ORCID, Kuijer P. G.68ORCID, Kumaoka T.69, Kumar D.6, Kumar L.78ORCID, Kumar N.78, Kumar S.39ORCID, Kundu S.3ORCID, Kurashvili P.111ORCID, Kurepin A.3ORCID, Kurepin A. B.3ORCID, Kuryakin A.3ORCID, Kushpil S.2ORCID, Kuskov V.3ORCID, Kutyla M.77, Kweon M. J.67ORCID, Kwon Y.92ORCID, La Pointe S. L.16ORCID, La Rocca P.13ORCID, Lakrathok A.102, Lamanna M.3ORCID, Landou A. R.25ORCID, Langoy R.112ORCID, Larionov P.3ORCID, Laudi E.3ORCID, Lautner L.317ORCID, Lavicka R.58ORCID, Lea R.556ORCID, Lee H.31ORCID, Legrand I.19ORCID, Legras G.21ORCID, Lehrbach J.16ORCID, Lelek T. M.37, Lemmon R. C.43ORCID, León Monzón I.49ORCID, Lesch M. M.17ORCID, Lesser E. D.74ORCID, Lévai P.42ORCID, Li X.101, Liang-gilman B. E.74ORCID, Lien J.112ORCID, Lietava R.70ORCID, Likmeta I.14ORCID, Lim B.26ORCID, Lim S. H.55ORCID, Lindenstruth V.16ORCID, Lindner A.19, Lippmann C.10ORCID, Liu D. H.11ORCID, Liu J.44ORCID, Liveraro G. S. S.66ORCID, Lofnes I. M.15ORCID, Loizides C.54ORCID, Lokos S.61ORCID, Lömker J.90ORCID, Loncar P.89ORCID, Lopez X.1ORCID, López Torres E.75ORCID, Lu P.1033ORCID, Lugo F. V.12ORCID, Luhder J. R.21ORCID, Lunardon M.13ORCID, Luparello G.5ORCID, Ma Y. G.113ORCID, Mager M.3ORCID, Maire A.48ORCID, Majerz E. M.37, Makariev M. V.110ORCID, Malaev M.3ORCID, Malfattore G.13ORCID, Malik N. M.35ORCID, Malik Q. W.28, Malik S. K.35ORCID, Malinina L.3ORCID, Mallick D.7336ORCID, Mallick N.34ORCID, Mandaglio G.1145ORCID, Mandal S. K.111ORCID, Manko V.3ORCID, Manso F.1ORCID, Manzari V.5ORCID, Mao Y.11ORCID, Marcjan R. W.37ORCID, Margagliotti G. V.26ORCID, Margotti A.5ORCID, Marín A.10ORCID, Markert C.52ORCID, Martinengo P.3ORCID, Martínez M. I.18ORCID, Martínez García G.24ORCID, Martins M. P. P.27ORCID, Masciocchi S.10ORCID, Masera M.26ORCID, Masoni A.5ORCID, Massacrier L.36ORCID, Massen O.90ORCID, Mastroserio A.5115ORCID, Matonoha O.45ORCID, Mattiazzo S.13ORCID, Matyja A.61ORCID, Mayer C.61ORCID, Mazuecos A. L.3ORCID, Mazzaschi F.26ORCID, Mazzilli M.3ORCID, Mdhluli J. E.60ORCID, Melikyan Y.116ORCID, Menchaca-Rocha A.12ORCID, Mendez J. E. M.12ORCID, Meninno E.58ORCID, Menon A. S.14ORCID, Meres M.80ORCID, Miake Y.69, Micheletti L.3ORCID, Mihaylov D. L.17ORCID, Mikhaylov K.33ORCID, Miśkowiec D.10ORCID, Modak A.38ORCID, Mohanty B.73, Mohisin Khan M.7ORCID, Molander M. A.116ORCID, Monira S.77ORCID, Mordasini C.93ORCID, Moreira De Godoy D. A.21ORCID, Morozov I.3ORCID, Morsch A.3ORCID, Mrnjavac T.3ORCID, Muccifora V.5ORCID, Muhuri S.6ORCID, Mulligan J. D.23ORCID, Mulliri A.26ORCID, Munhoz M. G.27ORCID, Munzer R. H.16ORCID, Murakami H.30ORCID, Murray S.76ORCID, Musa L.3ORCID, Musinsky J.103ORCID, Myrcha J. W.77ORCID, Naik B.60ORCID, Nambrath A. I.74ORCID, Nandi B. K.34ORCID, Nania R.5ORCID, Nappi E.5ORCID, Nassirpour A. F.108ORCID, Nath A.22ORCID, Nattrass C.86ORCID, Naydenov M. N.110ORCID, Neagu A.28, Negru A.63, Nekrasova E.3, Nellen L.12ORCID, Nepeivoda R.45ORCID, Nese S.28ORCID, Neskovic G.16ORCID, Nicassio N.5ORCID, Nielsen B. S.47ORCID, Nielsen E. G.47ORCID, Nikolaev S.3ORCID, Nikulin S.3ORCID, Nikulin V.3ORCID, Noferini F.5ORCID, Noh S.117ORCID, Nomokonov P.3ORCID, Norman J.44ORCID, Novitzky N.54ORCID, Nowakowski P.77ORCID, Nyanin A.3ORCID, Nystrand J.15ORCID, Oh S.108ORCID, Ohlson A.45ORCID, Okorokov V. A.3ORCID, Oleniacz J.77ORCID, Onnerstad A.93ORCID, Oppedisano C.5ORCID, Ortiz Velasquez A.12ORCID, Otwinowski J.61ORCID, Oya M.81, Oyama K.87ORCID, Pachmayer Y.22ORCID, Padhan S.34ORCID, Pagano D.556ORCID, Paić G.12ORCID, Paisano-Guzmán S.18ORCID, Palasciano A.5ORCID, Panebianco S.36ORCID, Park H.69ORCID, Park H.31ORCID, Park J.67ORCID, Parkkila J. E.3ORCID, Patley Y.34ORCID, Paul B.26ORCID, Pei H.11ORCID, Peitzmann T.90ORCID, Peng X.118ORCID, Pennisi M.26ORCID, Perciballi S.26ORCID, Peresunko D.3ORCID, Perez G. 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Affiliation:
1. Université Clermont Auvergne 2. Nuclear Physics Institute of the Czech Academy of Sciences 3. CERN 4. Dipartimento DISAT del Politecnico and Sezione INFN 5. INFN 6. Homi Bhabha National Institute 7. Aligarh Muslim University 8. Korea Institute of Science and Technology Information 9. P.J. Šafárik University 10. Research Division and ExtreMe Matter Institute EMMI 11. Central China Normal University 12. Universidad Nacional Autónoma de México 13. Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN 14. University of Houston 15. University of Bergen 16. Johann Wolfgang Goethe-Universität Frankfurt 17. Technische Universität München 18. Universidad Autónoma de Puebla 19. Horia Hulubei National Institute of Physics and Nuclear Engineering 20. University of Derby 21. Universität Münster 22. Ruprecht-Karls-Universität Heidelberg 23. Lawrence Berkeley National Laboratory 24. Nantes Université 25. Université Grenoble-Alpes 26. Dipartimento di Fisica dell’Università and Sezione INFN 27. Universidade de São Paulo (USP) 28. University of Oslo 29. Yale University 30. University of Tokyo 31. Sungkyunkwan University 32. Gangneung-Wonju National University 33. University of Science and Technology of China 34. Indian Institute of Technology 35. University of Jammu 36. Université Paris-Saclay 37. AGH University of Krakow 38. Bose Institute 39. Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN 40. National and Kapodistrian University of Athens 41. Gauhati University 42. HUN-REN Wigner Research Centre for Physics 43. STFC Daresbury Laboratory 44. University of Liverpool 45. Lund University Department of Physics 46. Pontificia Universidad Católica del Perú 47. University of Copenhagen 48. Université de Strasbourg 49. Universidad Autónoma de Sinaloa 50. Institute of Space Science (ISS) 51. Czech Technical University in Prague 52. The University of Texas at Austin 53. Università di Pavia 54. Oak Ridge National Laboratory 55. Pusan National University 56. Università di Brescia 57. Politecnico di Bari and Sezione INFN 58. Stefan Meyer Institut für Subatomare Physik (SMI) 59. National Research Foundation 60. University of the Witwatersrand 61. Polish Academy of Sciences 62. Università and Gruppo Collegato INFN 63. Universitatea Nationala de Stiinta si Tehnologie Politehnica Bucuresti 64. Université de Lyon 65. Saha Institute of Nuclear Physics 66. Universidade Estadual de Campinas (UNICAMP) 67. Inha University 68. National institute for subatomic physics 69. University of Tsukuba 70. University of Birmingham 71. Università del Piemonte Orientale 72. Universidade Federal do ABC 73. National Institute of Science Education and Research 74. University of California 75. Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN) 76. University of Cape Town 77. Warsaw University of Technology 78. Panjab University 79. Technical University of Košice 80. Comenius University Bratislava 81. Hiroshima University 82. Saga University 83. Chicago State University 84. University of Kansas 85. Universidade Federal do Rio Grande do Sul (UFRGS) 86. University of Tennessee 87. Nagasaki Institute of Applied Science 88. Wayne State University 89. University of Split 90. Institute for Gravitational and Subatomic Physics (GRASP) 91. A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation 92. Yonsei University 93. University of Jyväskylä 94. Rheinische Friedrich-Wilhelms-Universität Bonn 95. Western Norway University of Applied Sciences 96. Centro de Investigación y de Estudios Avanzados (CINVESTAV) 97. Johann-Wolfgang-Goethe Universität Frankfurt Institut für Informatik 98. Ohio State University 99. COMSATS University Islamabad 100. National Research and Innovation Agency - BRIN 101. China Institute of Atomic Energy 102. Suranaree University of Technology 103. Slovak Academy of Sciences 104. KTO Karatay University 105. University of Zagreb 106. Zentrum für Technologie und Transfer (ZTT) 107. Jeonbuk National University 108. Sejong University 109. California Polytechnic State University 110. Sofia University 111. National Centre for Nuclear Research 112. University of South-Eastern Norway 113. Fudan University 114. Università di Messina 115. Università degli Studi di Foggia 116. Helsinki Institute of Physics (HIP) 117. Chungbuk National University 118. China University of Geosciences 119. Creighton University 120. National Nuclear Research Center 121. Institute of Physics 122. Eberhard-Karls-Universität Tübingen 123. Nara Women’s University (NWU) 124. National Academy of Sciences of Ukraine 125. Institute of Physics of the Czech Academy of Sciences
Abstract
K+K− pairs may be produced in photonuclear collisions, either from the decays of photoproduced ϕ(1020) mesons or directly as nonresonant K+K− pairs. Measurements of K+K− photoproduction probe the couplings between the ϕ(1020) and charged kaons with photons and nuclear targets. The kaon-proton scattering occurs at energies far above those available elsewhere. We present the first measurement of coherent photoproduction of K+K− pairs on lead ions in ultraperipheral collisions using the ALICE detector, including the first investigation of direct K+K− production. There is significant K+K− production at low transverse momentum, consistent with coherent photoproduction on lead targets. In the mass range 1.1<MKK<1.4 GeV/c2 above the ϕ(1020) resonance, for rapidity |yKK|<0.8 and pT,KK<0.1 GeV/c, the measured coherent photoproduction cross section is dσ/dy=3.37±0.61(stat)±0.15(syst) mb. The center-of-mass energy per nucleon of the photon-nucleus (Pb) system WγPb,n ranges from 33 to 188 GeV, far higher than previous measurements on heavy-nucleus targets. The cross section is larger than expected for ϕ(1020) photoproduction alone. The mass spectrum is fit to a cocktail consisting of ϕ(1020) decays, direct K+K− photoproduction, and interference between the two. The confidence regions for the amplitude and relative phase angle for direct K+K− photoproduction are presented.
© 2024 CERN, for the ALICE Collaboration
2024
CERN
Funder
State Committee of Science Österreichischen Akademie der Wissenschaften Austrian Science Fund Österreichische Nationalstiftung für Forschung, Technologie und Entwicklung Conselho Nacional de Desenvolvimento Científico e Tecnológico Financiadora de Estudos e Projetos Fundação de Amparo à Pesquisa do Estado de São Paulo Universidade Federal do Rio Grande do Sul Ministry of Education and Science Ministry of Education of the People’s Republic of China Ministry of Science and Technology of the People’s Republic of China National Natural Science Foundation of China Ministry of Science and Technology, Croatia Hrvatska Zaklada za Znanost Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear Ministerstvo Školství, Mládeže a Tělovýchovy Villum Fonden Danmarks Grundforskningsfond Institut National de Physique Nucléaire et de Physique des Particules Centre National de la Recherche Scientifique Bundesministerium für Bildung und Forschung GSI Helmholtzzentrum für Schwerionenforschung General Secretariat for Research and Technology Ministry of Education and Religious Affairs, Sport and Culture National Research, Development and Innovation Office Department of Atomic Energy, Government of India Department of Science and Technology, Ministry of Science and Technology, India University Grants Commission Council of Scientific and Industrial Research, India Badan Riset dan Inovasi Nasional Instituto Nazionale di Fisica Nucleare Ministry of Education, Culture, Sports, Science and Technology Japan Society for the Promotion of Science Consejo Nacional de Ciencia y Tecnología Fondo de Cooperación Internacional en Ciencia y Tecnología Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México Nederlandse Organisatie voor Wetenschappelijk Onderzoek Norges Forskningsråd COMSATS Institute of Information Technology Pontificia Universidad Católica del Perú Ministerstwo Edukacji i Nauki Narodowe Centrum Nauki Korea Institute of Science and Technology Information National Research Foundation of Korea Ministry of Education and Research, Romania Institutul de Fizică Atomică Ministerul Cercetării şi Inovării Ministerstvo školstva, vedy, výskumu a športu Slovenskej republiky National Research Foundation Vetenskapsrådet Knut och Alice Wallenbergs Stiftelse CERN Suranaree University of Technology National Science and Technology Development Agency National Academy of Sciences of Ukraine Science and Technology Facilities Council National Science Foundation U.S. Department of Energy Nuclear Physics Grantová Agentura České Republiky H2020 European Research Council Academy of Finland A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation World Federation of Scientists, Armenia Ministry of Communications and High Technologies, Azerbaijan National Nuclear Research Center, Azerbaijan Helsinki Institute of Physics, Finland Commissariat à l’Energie Atomique Universitatea Nationala de Stiinta si Tehnologie Politehnica Bucuresti National Science, Research and Innovation Fund Turkish Energy, Nuclear and Mineral Research Agency Warsaw Univerisity of Technology ID-UB Centro Nazionale di Ricerca in High Performance Computing
Publisher
American Physical Society (APS)
Cited by
1 articles.
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