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Download or read book Electroproduction of PHI(1020) Mesons at High Q2 with CLAS. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electroproduction of Phi(1020) Mesons written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Electroproduction of exclusive $\phi$ vector mesons has been studied with the CLAS detector at an average $Q^2$ of $2.21$\, GeV$^2$. The scaling exponent for the total cross section as $1/(Q^2+M_{\phi}^2)^n$ was determined to be $n=1.97 \pm 0.84$, consistent with the Vector Dominance Model prediction of n=2. The data are consistent with the assumption of s-channel helicity conservation (SCHC). Under this assumption we determine the ratio of longitudinal to transverse cross sections to be $R=0.86 \pm 0.24$.
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ISBN 13 :
Total Pages : 25210 pages
Book Rating : 4.:/5 (727 download)
Download or read book Electroproduction of $\phi(1020)$ Mesons at High $Q^2$ with CLAS. written by and published by . This book was released on 2008 with total page 25210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Http://dx.doi.org/10.1103/PhysRevC. 78.025210 Electroproduction of exclusive $\phi$ vector mesons has been studied with the CLAS detector in the kinematical range $1.6\leq Q^2\leq 3.8$ GeV$^{2}$, $0.0\leq t^{\prime}\leq 3.6$ GeV$^{2}$, and $2.0\leq W\leq 3.0$ GeV. The scaling exponent for the total cross section as $1/(Q^2+M_{\phi}^2)^n$ was determined to be $n=2.49\pm 0.33$. The slope of the four-momentum transfer $t'$ distribution is $b_{\phi}=0.98 \pm 0.17$ GeV$^{-2}$. The data are consistent with the assumption of s-channel helicity conservation (SCHC). Under this assumption, we determine the ratio of longitudinal to transverse cross sections to be $R=0.86 \pm 0.24$. A 2-gluon exchange model is able to reproduce the main features of the data.
Download or read book Exclusive Electroproduction of Phi Mesons at 4.2 GeV. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leif Anderson Ahrens
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ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.E/5 ( download)
Download or read book Electroproduction of the Rho Meson written by Leif Anderson Ahrens and published by . This book was released on 1978 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : Marcus Groll
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (118 download)
Download or read book Electroproduction of Φ-mesons [Phi-mesons] at 0,25 written by Marcus Groll and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (16 download)
Download or read book Electroproduction of ?(1020) Mesons at High Q2 with CLAS. written by and published by . This book was released on 2007 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: This analysis studies the reaction ep → e'p'? in the kinematical range 1.6 ≤ Q2 ≤ 3.8 GeV2 and 2.0 ≤ W ≤ 3.0 GeV at CLAS. After successful signal identification, total and differential cross sections are measured and compared to the world data set. Comparisons are made to the predictions of the Jean-Mart Laget (JML) model based on Pomeron plus 2-gluon exchange. The overall scaling of the total cross section was determined to be 1/Q4.6+/-1.7 which is compatible within errors to the Vector Meson Dominance prediction of 1/ Q4 as well as to the expected behavior of a quark and gluon exchange-dominated model described by Generalized Parton Distributions of 1/Q6. The differential cross section d?/d? was used to determine that the s-channel helicity conservation (SCHC) assumption is valid within the precision of the current data. SCHC leads to a simple expression for the decay angular distribution from which R, the ratio of the longitudinal to the transverse cross section, can be extracted. Under the assumption of SCHC, we determine R = 1.33 ± 0.18 at an average Q2 of 2.21 GeV2 which leads to a determination of the longitudinal cross section sL = 5.3 ± 1.3 nb for exclusive ? production.
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ISBN 13 :
Total Pages : 606 pages
Book Rating : 4.0/5 ( download)
Download or read book High Energy Physics Index written by and published by . This book was released on 1994 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : Marcus Groll
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (758 download)
Download or read book Electroproduction of _F63-mesons [Phi-mesons] at 0,25 written by Marcus Groll and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James T Linnemann
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ISBN 13 :
Total Pages : 346 pages
Book Rating : 4.E/5 ( download)
Download or read book Electroproduction of Omega Mesons written by James T Linnemann and published by . This book was released on 1978 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 752 pages
Book Rating : 4.:/5 (3 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ZEUS Collaboration
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ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (637 download)
Download or read book Exclusive Electroproduction of Φ Mesons at HERA written by ZEUS Collaboration and published by . This book was released on 2005 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Exclusive Electroproduction of _F63-mesons [phi-mesons] at HERA written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : ZEUS Collaboration
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (254 download)
Download or read book Exclusive Electroproduction of [phi] Mesons at HERA written by ZEUS Collaboration and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Georgie Mbianda Njencheu
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ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (775 download)
Download or read book Exclusive Meson Electroproduction written by Georgie Mbianda Njencheu and published by . This book was released on 2008 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Meaburn
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ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (16 download)
Download or read book Electroproduction of Π+ Mesons and the Quark Model written by R. Meaburn and published by . This book was released on with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Chester Vik
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ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (318 download)
Download or read book Electroproduction of Pi Mesons at High Energy and Large Momentum Transfer written by Robert Chester Vik and published by . This book was released on 1967 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
