在\(B^{0}\to J/\psi\phi K_{S}^{0}\)衰变中\(J/\psi K_{S}^{0}\)结构的证据
Evidence of a J/ψK_{S}^{0} Structure in B^{0}→J/ψϕK_{S}^{0} Decays.
作者信息
Aaij R, Abdelmotteleb A S W, Abellan Beteta C, Abudinén F, Ackernley T, Adeva B, Adinolfi M, Adlarson P, Afsharnia H, Agapopoulou C, Aidala C A, Ajaltouni Z, Akar S, Akiba K, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Aliouche Z, Alvarez Cartelle P, Amalric R, Amato S, Amey J L, Amhis Y, An L, Anderlini L, Andersson M, Andreianov A, Andreotti M, Andreou D, Ao D, Archilli F, Artamonov A, Artuso M, Aslanides E, Atzeni M, Audurier B, Bachiller Perea I, Bachmann S, Bachmayer M, Back J J, Bailly-Reyre A, Baladron Rodriguez P, Balagura V, Baldini W, Baptista de Souza Leite J, Barbetti M, Barlow R J, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Basels J M, Bassi G, Batsukh B, Battig A, Bay A, Beck A, Becker M, Bedeschi F, Bediaga I B, Beiter A, Belin S, Bellee V, Belous K, Belov I, Belyaev I, Benane G, Bencivenni G, Ben-Haim E, Berezhnoy A, Bernet R, Bernet Andres S, Berninghoff D, Bernstein H C, Bertella C, Bertolin A, Betancourt C, Betti F, Bezshyiko Ia, Bhasin S, Bhom J, Bian L, Bieker M S, Biesuz N V, Billoir P, Biolchini A, Birch M, Bishop F C R, Bitadze A, Bizzeti A, Blago M P, Blake T, Blanc F, Blank J E, Blusk S, Bobulska D, Boelhauve J A, Boente Garcia O, Boettcher T, Boldyrev A, Bolognani C S, Bolzonella R, Bondar N, Borgato F, Borghi S, Borsato M, Borsuk J T, Bouchiba S A, Bowcock T J V, Boyer A, Bozzi C, Bradley M J, Braun S, Brea Rodriguez A, Brodzicka J, Brossa Gonzalo A, Brown J, Brundu D, Buonaura A, Buonincontri L, Burke A T, Burr C, Bursche A, Butkevich A, Butter J S, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Calefice L, Cali S, Calvi M, Calvo Gomez M, Campana P, Campora Perez D H, Campoverde Quezada A F, Capelli S, Capriotti L, Carbone A, Cardinale R, Cardini A, Carniti P, Carus L, Casais Vidal A, Caspary R, Casse G, Cattaneo M, Cavallero G, Cavallini V, Celani S, Cerasoli J, Cervenkov D, Chadwick A J, Chahrour I, Chapman M G, Charles M, Charpentier Ph, Chavez Barajas C A, Chefdeville M, Chen C, Chen S, Chernov A, Chernyshenko S, Chobanova V, Cholak S, Chrzaszcz M, Chubykin A, Chulikov V, Ciambrone P, Cicala M F, Cid Vidal X, Ciezarek G, Cifra P, Ciullo G, Clarke P E L, Clemencic M, Cliff H V, Closier J, Cobbledick J L, Coco V, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Congedo L, Contu A, Cooke N, Corredoira I, Corti G, Couturier B, Craik D C, Cruz Torres M, Currie R, Da Silva C L, Dadabaev S, Dai L, Dai X, Dall'Occo E, Dalseno J, D'Ambrosio C, Daniel J, Danilina A, d'Argent P, Davies J E, Davis A, De Aguiar Francisco O, de Boer J, De Bruyn K, De Capua S, De Cian M, De Freitas Carneiro Da Graca U, De Lucia E, De Miranda J M, De Paula L, De Serio M, De Simone D, De Simone P, De Vellis F, de Vries J A, Dean C T, Debernardis F, Decamp D, Dedu V, Del Buono L, Delaney B, Dembinski H-P, Denysenko V, Deschamps O, Dettori F, Dey B, Di Nezza P, Diachkov I, Didenko S, Dieste Maronas L, Ding S, Dobishuk V, Dolmatov A, Dong C, Donohoe A M, Dordei F, Dos Reis A C, Douglas L, Downes A G, Duda P, 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E, Horswill J, Hou R, Hou Y, Hu J, Hu J, Hu W, Hu X, Huang W, Huang X, Hulsbergen W, Hunter R J, Hushchyn M, Hutchcroft D, Ibis P, Idzik M, Ilin D, Ilten P, Inglessi A, Iniukhin A, Ishteev A, Ivshin K, Jacobsson R, Jage H, Jaimes Elles S J, Jakobsen S, Jans E, Jashal B K, Jawahery A, Jevtic V, Jiang E, Jiang X, Jiang Y, John M, Johnson D, Jones C R, Jones T P, Jost B, Jurik N, Juszczak I, Kandybei S, Kang Y, Karacson M, Karpenkov D, Karpov M, Kautz J W, Keizer F, Keller D M, Kenzie M, Ketel T, Khanji B, Kharisova A, Kholodenko S, Khreich G, Kirn T, Kirsebom V S, Kitouni O, Klaver S, Kleijne N, Klimaszewski K, Kmiec M R, Koliiev S, Kolk L, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Korolev M, Kostiuk I, Kot O, Kotriakhova S, Kozachuk A, Kravchenko P, Kravchuk L, Krawczyk R D, Kreps M, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kubat J, Kubis S, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kulikova E, Kupsc A, Lacarrere D, Lafferty G, Lai A, Lampis A, Lancierini D, Landesa Gomez C, Lane J J, Lane R, Langenbruch C, Langer J, Lantwin O, Latham T, Lazzari F, Lazzaroni M, Le Gac R, Lee S H, Lefèvre R, Leflat A, Legotin S, Lenisa P, Leroy O, Lesiak T, Leverington B, Li A, Li H, Li K, Li P, Li P-R, Li S, Li T, Li T, Li Y, Li Z, Liang X, Lin C, Lin T, Lindner R, Lisovskyi V, Litvinov R, Liu G, Liu H, Liu Q, Liu S, Lobo Salvia A, Loi A, Lollini R, Lomba Castro J, Longstaff I, Lopes J H, Lopez Huertas A, López Soliño S, Lovell G H, Lu Y, Lucarelli C, Lucchesi D, Luchuk S, Lucio Martinez M, Lukashenko V, Luo Y, Lupato A, Luppi E, Lusiani A, Lynch K, Lyu X-R, Ma R, Maccolini S, Machefert F, Maciuc F, Mackay I, Macko V, Madhan Mohan L R, Maevskiy A, Maisuzenko D, Majewski M W, Malczewski J J, Malde S, Malecki B, Malinin A, Maltsev T, Manca G, Mancinelli G, Mancuso C, Manera Escalero R, Manuzzi D, Manzari C A, Marangotto D, Marchand J F, Marconi U, Mariani S, Marin Benito C, Marks J, Marshall A M, Marshall P J, Martelli G, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Matiunin V, Matteuzzi C, Mattioli K R, Mauri A, Maurice E, Mauricio J, Mazurek M, McCann M, Mcconnell L, McGrath T H, McHugh N T, McNab A, McNulty R, Mead J V, Meadows B, Meier G, Melnychuk D, Meloni S, Merk M, Merli A, Meyer Garcia L, Miao D, Mikhasenko M, Milanes D A, Millard E, Milovanovic M, Minard M-N, Minotti A, Miralles T, Mitchell S E, Mitreska B, Mitzel D S, Mödden A, Mohammed R A, Moise R D, Mokhnenko S, Mombächer T, Monk M, Monroy I A, Monteil S, Morello G, Morello M J, Morgenthaler M P, Moron J, Morris A B, Morris A G, Mountain R, Mu H, Muhammad E, Muheim F, Mulder M, Müller K, Murphy C H, Murray D, Murta R, Muzzetto P, Naik P, Nakada T, Nandakumar R, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Neustroev P, Newcombe R, Nicolini J, Nicotra D, Niel E M, Nieswand S, Nikitin N, Nolte N S, Normand C, Novoa Fernandez J, Nowak G, Nunez C, 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机构信息
Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
Department of Physics, University of Warwick, Coventry, United Kingdom.
出版信息
Phys Rev Lett. 2023 Sep 29;131(13):131901. doi: 10.1103/PhysRevLett.131.131901.
An amplitude analysis of B^{0}→J/ψϕK_{S}^{0} decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 9 fb^{-1}, collected with the LHCb detector at center-of-mass energies of 7, 8, and 13 TeV. Evidence with a significance of 4.0 standard deviations of a structure in the J/ψK_{S}^{0} system, named T_{ψs1}^{θ}(4000)^{0}, is seen, with its mass and width measured to be 3991_{-10}^{+12} {-17}^{+9} MeV/c^{2} and 105{-25}^{+29} {-23}^{+17} MeV, respectively, where the first uncertainty is statistical and the second systematic. The T{ψs1}^{θ}(4000)^{0} state is likely to be the isospin partner of the T_{ψs1}^{θ}(4000)^{+} state, previously observed in the J/ψK^{+} system of the B^{+}→J/ψϕK^{+} decay. When isospin symmetry for the charged and neutral T_{ψs1}^{θ}(4000) states is assumed, the signal significance increases to 5.4 standard deviations.
利用质子 - 质子碰撞数据对(B^{0}→J/ψϕK_{S}^{0})衰变进行幅度分析，该数据对应于用大型强子对撞机底夸克探测器（LHCb）在质心能量为7、8和13 TeV时收集的9 fb⁻¹的积分光度。在(J/ψK_{S}^{0})系统中观察到一个名为(T_{ψs1}^{θ}(4000)^{0})的结构，其显著性为4.0个标准差，测得其质量和宽度分别为(3991_{-10}^{+12} {-17}^{+9} MeV/c^{2})和(105{-25}^{+29} {-23}^{+17} MeV)，其中第一个不确定度是统计性的，第二个是系统性的。(T{ψs1}^{θ}(4000)^{0})态可能是先前在(B^{+}→J/ψϕK^{+})衰变的(J/ψK^{+})系统中观察到的(T_{ψs1}^{θ}(4000)^{+})态的同位旋伙伴。假设带电和中性(T_{ψs1}^{θ}(4000))态的同位旋对称性，则信号显著性增加到5.4个标准差。
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