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Measurement of exclusive $ρ^{+} ρ^{-}$ production in mid-virtuality two-photon interactions and study of the $γ γ^{*} \to ρ ρ$ process at LEP (English)

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Achard, P. / Adriani, O. / Aguilar-Benitez, M. / Alcaraz, J. / Alemanni, G. / Allaby, J. / Aloisio, A. / Alviggi, M.G. / Anderhub, H. / Andreev, V.P. / ... [more]

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics ; 615 , 1-2 ; 19-30 ; 2005

ISSN:

0370-2693

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AbstractExclusive $ρ^{+} ρ^{-}$ production in two-photon collisions between a quasi-real photon, γ, and a mid-virtuality photon, $γ^{*}$ , is studied with data collected at LEP at centre-of-mass energies $183 GeV  \sqrt{s}  209 GeV$ with a total integrated luminosity of $684.8 {pb}^{−1}$ . The cross section of the $γ γ^{*} \to ρ^{+} ρ^{-}$ process is determined as a function of the photon virtuality, $Q^{2}$ , and the two-photon centre-of-mass energy, $W_{γ γ}$ , in the kinematic region: $0.2 {GeV}^{2}  Q^{2}  0.85 {GeV}^{2}$ and $1.1 GeV  W_{γ γ}  3 GeV$ . These results, together with previous L3 measurements of $ρ^{0} ρ^{0}$ and $ρ^{+} ρ^{-}$ production, allow a study of the $γ γ^{*} \to ρ ρ$ process over the $Q^{2}$ -region $0.2 {GeV}^{2}  Q^{2}  30 {GeV}^{2}$ .

Title:

Measurement of exclusive $ρ^{+} ρ^{-}$ production in mid-virtuality two-photon interactions and study of the $γ γ^{*} \to ρ ρ$ process at LEP
Contributors:

Achard, P. ( author ) / Adriani, O. ( author ) / Aguilar-Benitez, M. ( author ) / Alcaraz, J. ( author ) / Alemanni, G. ( author ) / Allaby, J. ( author ) / Aloisio, A. ( author ) / Alviggi, M.G. ( author ) / Anderhub, H. ( author ) / Andreev, V.P. ( author )
Published in:

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics ; 615, 1-2 ; 19-30
Publisher:

Publication date:

2005-04-06
Size:

12 pages
ISSN:

0370-2693
DOI:

https://doi.org/10.1016/j.physletb.2005.04.011
Type of media:

Article (Journal)
Type of material:

Electronic Resource
Language:

English
Source:

Elsevier

Table of contents – Volume 615, Issue 1-2

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The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

1: Nutty dyons
Brihaye, Yves / Radu, Eugen et al. | 2005
digital version print version
14: Search for a Lorentz invariance violation contribution in atmospheric neutrino oscillations using MACRO data
Battistoni, G. / Becherini, Y. / Cecchini, S. / Cozzi, M. / Dekhissi, H. / Esposito, L.S. / Giacomelli, G. / Giorgini, M. / Mandrioli, G. / Manzoor, S. et al. | 2005
digital version print version
19: Measurement of exclusive Formula Not Shown production in mid-virtuality two-photon interactions and study of the Formula Not Shown process at LEP
Achard, P. / Adriani, O. / Aguilar-Benitez, M. / Alcaraz, J. / Alemanni, G. / Allaby, J. / Aloisio, A. / Alviggi, M. G. / Anderhub, H. et al. | 2005
print version
19: Measurement of exclusive $ρ^{+} ρ^{-}$ production in mid-virtuality two-photon interactions and study of the $γ γ^{*} \to ρ ρ$ process at LEP
Achard, P. / Adriani, O. / Aguilar-Benitez, M. / Alcaraz, J. / Alemanni, G. / Allaby, J. / Aloisio, A. / Alviggi, M.G. / Anderhub, H. / Andreev, V.P. et al. | 2005
digital version
31: Measurement of the $K_{L} \to e^{+} e^{-} e^{+} e^{-}$ decay rate
Lai, A. / Marras, D. / Bevan, A. / Dosanjh, R.S. / Gershon, T.J. / Hay, B. / Kalmus, G.E. / Lazzeroni, C. / Munday, D.J. / Needham, M.D. et al. | 2005
digital version
31: Measurement of the Formula Not Shown decay rate
Lai, A. / Marras, D. / Bevan, A. / Dosanjh, R. S. / Gershon, T. J. / Hay, B. / Kalmus, G. E. / Lazzeroni, C. / Munday, D. J. / Needham, M. D. et al. | 2005
print version
39: Measurement of the Formula Not Shown and Formula Not Shown processes at energies of 2.4-4.1 GeV
Nakazawa, H. / Uehara, S. / Abe, K. / Aihara, H. / Akatsu, M. / Asano, Y. / Aulchenko, V. / Aushev, T. et al. | 2005
print version
39: Measurement of the $γ γ \to π^{+} π^{-}$ and $γ γ \to K^{+} K^{-}$ processes at energies of 2.4–4.1 GeV
Nakazawa, H. / Uehara, S. / Abe, K. / Aihara, H. / Akatsu, M. / Asano, Y. / Aulchenko, V. / Aushev, T. / Bahinipati, S. / Bakich, A.M. et al. | 2005
digital version
50: Transition from baryonic to mesonic freeze-out
Cleymans, J. / Oeschler, H. / Redlich, K. / Wheaton, S. et al. | 2005
digital version print version
55: Absence of structure in the ^20,22Ne+¹¹⁸Sn quasi-elastic barrier distribution
Piasecki, E. / Świderski, Ł. / Czosnyka, P. / Kowalczyk, M. / Piasecki, K. / Witecki, M. / Czosnyka, T. / Jastrzębski, J. / Kordyasz, A. / Kisieliński, M. et al. | 2005
digital version print version
61: Influence of NN-rescattering effect on the photon asymmetry of Formula Not Shown reaction
Darwish, E. M. et al. | 2005
print version
61: Influence of NN-rescattering effect on the photon asymmetry of $d (\vec{γ}, π^{-}) p p$ reaction
Darwish, Eed M. et al. | 2005
digital version
68: Top quark pair production and decay at a polarized photon collider
Brandenburg, A. / Si, Z.G. et al. | 2005
digital version print version
79: Decay constants of the pseudoscalar charmonium and bottomonium
Wang, Zhi-Gang / Yang, Wei-Min / Wan, Shao-Long et al. | 2005
digital version print version
87: Enlarged Galilean symmetry of anyons and the Hall effect
Horváthy, P.A. / Martina, L. / Stichel, P.C. et al. | 2005
digital version print version
93: Phase structure of Nambu–Jona-Lasinio model at finite isospin density
He, Lianyi / Zhuang, Pengfei et al. | 2005
digital version print version
102: How do chiral condensates affect color superconducting quark matter under charge neutrality constraints?
Abuki, Hiroaki / Kitazawa, Masakiyo / Kunihiro, Teiji et al. | 2005
digital version print version
111: Signals for CP violation in split supersymmetry
Deshpande, N.G. / Jiang, J. et al. | 2005
digital version print version
120: A gauge-mediation model with a light gravitino of mass $O (10) eV$ and the messenger dark matter
Ibe, Masahiro / Tobe, Kazuhiro / Yanagida, Tsutomu et al. | 2005
digital version
120: A gauge-mediation model with a light gravitino of mass Formula Not Shown and the messenger dark matter
Ibe, M. / Tobe, K. / Yanagida, T. et al. | 2005
print version
127: Generalized curvature and the equations of Formula Not Shown supergravity
Bandos, I. A. / de Azcarraga, J. A. / Picon, M. / Varela, O. et al. | 2005
print version
127: Generalized curvature and the equations of $D = 11$ supergravity
Bandos, Igor A. / de Azcárraga, José A. / Picón, Moisés / Varela, Oscar et al. | 2005
digital version
134: Sigma model Lagrangian for the Heisenberg group
Baaquie, Belal E. / Yim, Kok Kean et al. | 2005
digital version print version
iii: Editors
| 2005
digital version
v: Instructions to authors
| 2005
digital version

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Measurement of exclusive ρ + ρ − production in mid-virtuality two-photon interactions and study of the γ γ ∗ → ρ ρ process at LEP (English)

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Table of contents – Volume 615, Issue 1-2

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Measurement of exclusive $ρ^{+} ρ^{-}$ production in mid-virtuality two-photon interactions and study of the $γ γ^{*} \to ρ ρ$ process at LEP (English)