Related papers: Exclusive Two-Vector-Meson Production from e^+ e^-…

The reggeometric pomeron and exclusive production of $J/\psi$ and $\psi(2S)$ in ultraperipheral collisions at the LHC

By using a Regge-pole model for vector meson production (VMP), successfully describing the HERA data, we analyse the correlation between VMP cross sections in photon-induced reactions at HERA and those in ultra-peripheral collisions at the…

High Energy Physics - Phenomenology · Physics 2022-01-25 Laszlo Jenkovszky , Vladyslav Libov , Magno V. T. Machado

Production of heavy vector particles in interactions of leptons with the massless gauge bosons

The cross section for vector leptoquark production in electron--gluon collisions is calculated analytically using the Lagrangian with the minimal couplings between the leptoquarks and the gauge fields of the standard model. It is found that…

High Energy Physics - Phenomenology · Physics 2012-03-08 I. Alikhanov

Cross section measurements of $e^+e^- \to \Phi K^+ K^-$ and $e^+ e^- \to \Phi K_S^0 K_S^0$ at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

Based on 22.7 fb$^{-1}$ of $e^+e^-$ annihilation data collected at 33 different center-of-mass energies between 3.7730 GeV and 4.7008 GeV with the BESIII detector at the BEPCII collider, Born cross sections of the two processes $e^+e^-\to…

High Energy Physics - Experiment · Physics 2023-08-16 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , M. R. An , Q. An , Y. Bai , O. Bakina , I. Balossino , Y. Ban , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , T. T. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Y. Q. Chen , Z. J. Chen , W. S. Cheng , S. K. Choi , X. Chu , G. Cibinetto , S. C. Coen , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , Z. H. Duan , P. Egorov , Y. H. Y. Fan , Y. L. Fan , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , K Fischer , M. Fritsch , C. Fritzsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y Guan , Z. L. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , T. T. Han , W. Y. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , N Hüsken , W. Imoehl , J. Jackson , S. Jaeger , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. 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Zhang , Xuyan Zhang , Y. Zhang , Y. Zhang , Y. T. Zhang , Y. H. Zhang , Yan Zhang , Yao Zhang , Z. H. Zhang , Z. L. Zhang , Z. Y. Zhang , Z. Y. Zhang , G. Zhao , J. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , S. J. Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , X. Zhong , H. Zhou , L. P. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , J. Zhu , K. Zhu , K. J. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , S. Q. Zhu , T. J. Zhu , W. J. Zhu , Y. C. Zhu , Z. A. Zhu , J. H. Zou , J

Nonlinearity of vacuum reggeons and exclusive diffractive production of vector mesons at HERA

The processes of exclusive photo- and electroproduction of vector mesons $\rho^0$(770), $\phi$(1020) and $J/\psi$(3096) at collision energies $30 GeV<W<300 GeV$ and transferred momenta squared $0<-t<2 GeV^2$ are considered in the framework…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. A. Godizov , V. A. Petrov

Study of $\pi^0$ pair production in single-tag two-photon collisions

We report a measurement of the differential cross section of $\pi^0$ pair production in single-tag two-photon collisions, $\gamma^* \gamma \to \pi^0 \pi^0$, in $e^+ e^-$ scattering. The cross section is measured for $Q^2$ up to 30 GeV$^2$,…

High Energy Physics - Experiment · Physics 2016-02-24 The Belle Collaboration , M. Masuda , S. Uehara , Y. Watanabe , H. Nakazawa , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , V. Babu , I. Badhrees , A. M. Bakich , E. Barberio , P. Behera , B. Bhuyan , J. Biswal , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , N. Dash , J. Dingfelder , Z. Doležal , Z. Drásal , D. Dutta , S. Eidelman , D. Epifanov , H. Farhat , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , R. Gillard , R. Glattauer , Y. M. Goh , P. Goldenzweig , B. Golob , J. Haba , K. Hayasaka , H. Hayashii , X. H. He , W. -S. Hou , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , Y. Iwasaki , I. Jaegle , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , E. Kato , T. Kawasaki , D. Y. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , B. R. Ko , S. Korpar , P. Križan , P. Krokovny , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , D. H. Lee , I. S. Lee , C. Li , L. Li , Y. Li , J. Libby , D. Liventsev , P. Lukin , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , S. Mohanty , A. Moll , H. K. Moon , T. Mori , R. Mussa , E. Nakano , M. Nakao , T. Nanut , Z. Natkaniec , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , P. Pakhlov , G. Pakhlova , B. Pal , C. W. Park , H. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , J. Rauch , E. Ribežl , M. Ritter , A. Rostomyan , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , O. Seon , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , U. Tamponi , K. Tanida , Y. Teramoto , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , V. Vorobyev , A. Vossen , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , K. M. Williams , E. Won , J. Yamaoka , Y. Yamashita , S. Yashchenko , H. Ye , Y. Yusa , C. C. Zhang , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

Unitarity constraints on meson electroproduction at backward angles

At large virtuality $Q^2$, the coupling to the $\rho$ meson production channels provides us with a natural explanation of the surprisingly large cross section of the $\omega$, as well as the $\pi^+$, meson electroproduction recently…

High Energy Physics - Phenomenology · Physics 2021-08-11 J. M. Laget

Exclusive heavy vector meson production at next-to-leading order in the dipole picture

We calculate exclusive production of a longitudinally polarized heavy vector meson at next-to-leading order in the dipole picture. The large quark mass allows us to separately include both the first QCD correction proportional to the…

High Energy Physics - Phenomenology · Physics 2022-06-01 Heikki Mäntysaari , Jani Penttala

Exclusive W^+ + photon production in proton-antiproton collisions II: results

We present results for total cross sections, single and double differential distributions and correlations between pairs of outgoing particles in the reactions p + antip --> W^+ + photon and p + antip --> W^+ + photon + jet at sqrt(S)=1.8…

High Energy Physics - Phenomenology · Physics 2009-10-28 Sergio Mendoza , Jack Smith

Collinear Factorization in Wide-Angle Hadron Pair Production in $e^+e^-$ Annihilation

We compute the inclusive unpolarized dihadron production cross section in the far from back-to-back region of $e^+ e^-$ annihilation in leading order pQCD using existing fragmentation function fits and standard collinear factorization,…

High Energy Physics - Phenomenology · Physics 2019-11-20 E. Moffat , T. C. Rogers , N. Sato , A. Signori

Partial waves in $B_s^* \bar B_s^*$ production in $e^+e^-$ annihilation near threshold

The production of the vector meson pairs $B_s^* \bar B_s^*$ in the $e^+e^-$ annihilation is generally contributed by two $P$ wave amplitudes with different total spin $S$ of the mesons, $S=0$ and $S=2$, and also by an $F$ wave amplitude.…

High Energy Physics - Phenomenology · Physics 2017-05-03 M. B. Voloshin

A fresh look at exclusive electroproduction of light vector mesons

Relying on the collinear factorization approach, we demonstrate that H1 and ZEUS measurements of exclusive light vector meson and photon electroproduction cross sections can be simultaneously described for photon virtualities of $Q >2 GeV$.…

High Energy Physics - Phenomenology · Physics 2011-12-13 Mantas Meskauskas , Dieter Mueller

Production of the B_c Meson

The production of the B_c and B_c^* mesons was studied in the framework of the factorization formalism and perturbative QCD. Predicted results implied that an observable number of B_c and B_c^* events can be produced at LEP I and at…

High Energy Physics - Phenomenology · Physics 2014-11-17 Yu-Qi Chen

Inclusive vector charmonium production in two-photon e^+ e^- -annihilation at \sqrt{s}=10.6 GeV

In this paper we study inclusive production of vector charmonium states $J/\psi$ or $\psi(2S)$ in two-photon $\epem$-annihilation at $\sqrt s=10.6 \rm GeV$ using color-singlet model. Analytic expressions for differential cross sections,…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. V. Luchinsky

Probing Transversity in Electroproduction of Two Vector Mesons

Electroproduction of two vector mesons with a large rapidity gap between them provides the first feasible selective access to chiral-odd GPDs. The scattering amplitude of the process $ \gamma ^* N \to \rho_L^0 \rho_T^+ N'$ may be…

High Energy Physics - Phenomenology · Physics 2016-09-06 D. Yu. Ivanov , B. Pire , L. Szymanowski , O. V. Teryaev

Exclusive diffractive production of real photons and vector mesons in a factorized Regge-pole model with non-linear Pomeron trajectory

Exclusive diffractive production of real photons and vector mesons in ep collisions has been studied at HERA in a wide kinematic range. Here we present and discuss a Regge-type model of real photon production (Deeply Virtual Compton…

High Energy Physics - Phenomenology · Physics 2013-05-30 S. Fazio , R. Fiore , L. Jenkovszky , A. Lavorini

Precise QCD Predictions for Hadron-in-jet Production in $e^+e^-$ Collisions

The production of identified hadrons inside jets in $e^+ e^-$ annihilation allows for detailed studies of parton-to-hadron fragmentation functions in a clean environment. We compute hadron-in-jets production cross sections for $e^+e^- \to…

High Energy Physics - Phenomenology · Physics 2026-05-27 Leonardo Bonino , Aude Gehrmann-De Ridder , Thomas Gehrmann , Alexander Huss , Francesco Merlotti , Giovanni Stagnitto

Production of one or two vector mesons in peripheral high-energy collisions of heavy ions

We study the production of spin-one mesons in high-energy heavy-ion collisions with peripheral kinematics in the framework of QED. The cross sections of the production of a single vector meson and of two different ones are presented. The…

High Energy Physics - Phenomenology · Physics 2015-06-05 A. I. Ahmadov , B. A. Kniehl , E. A. Kuraev , E. S. Scherbakova

Quark fragmentation and off-diagonal helicity density matrix elements for vector meson production

As confirmed by some recent LEP data on phi, K^* and D^*0 production, final state interactions in quark fragmentation may give origin to non-zero values of the off-diagonal element rho_{1,-1} of the helicity density matrix of vector mesons…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Anselmino , M. Bertini , F. Murgia , P. Quintairos

Observation of exclusive charmonium production and gamma+gamma to mu+mu- in p+pbar collisions at sqrt{s} = 1.96 TeV

We have observed the reactions p+pbar --> p+X+pbar, with X being a centrally produced J/psi, psi(2S) or chi_c0, and gamma+gamma --> mu+mu-, in proton- antiproton collisions at sqrt{s} = 1.96 TeV using the Run II Collider Detector at…

High Energy Physics - Experiment · Physics 2009-07-09 CDF Collaboration , T. Aaltonen

Inclusive Production of Four Charm Hadrons in e^+ e^- Annihilation at B Factories

Measurements by the Belle Collaboration of the exclusive production of two charmonia in e^+ e^- annihilation differ substantially from theoretical predictions. Till now, no conclusive explanation for this remarkable discrepancy has been…

High Energy Physics - Phenomenology · Physics 2009-11-10 Daekyoung Kang , Jong-Wan Lee , Jungil Lee , Taewon Kim , Pyungwon Ko