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Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The {bar p}p differential elastic scattering cross section was measured at √{bar s} = 1800 GeV, using an improved accelerator luminosity determination and CDF small angle data in the range of 0.05 ≤ t ≤ 0.2(GeV/c)2. By extrapolating the differential cross sections to t=0 and using the optical theorem we obtain a total cross section of [sigma]{sub tot}({bar p}p) = 72.0 {plus minus} 3.6 mb. This result is preliminary in the sense that we expect to further reduce the systematic error on the optical point. 9 refs., 8 figs.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The {bar p}p differential elastic scattering cross section was measured at √{bar s} = 1800 GeV, using an improved accelerator luminosity determination and CDF small angle data in the range of 0.05 ≤ t ≤ 0.2(GeV/c)2. By extrapolating the differential cross sections to t=0 and using the optical theorem we obtain a total cross section of [sigma]{sub tot}({bar p}p) = 72.0 {plus minus} 3.6 mb. This result is preliminary in the sense that we expect to further reduce the systematic error on the optical point. 9 refs., 8 figs.
Author: Publisher: ISBN: Category : Languages : en Pages : 21
Book Description
A measurement of the total pp cross section at the LHC at √s = 8 TeV is presented. An integrated luminosity of 500 [mu]b-1 was accumulated in a special run with high-[beta]* beam optics to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable t. Here, the measurement is performed with the ALFA sub-detector of ATLAS.
Author: Publisher: ISBN: Category : Languages : en Pages : 21
Book Description
A measurement of the total pp cross section at the LHC at √s = 8 TeV is presented. An integrated luminosity of 500 ?b–1 was accumulated in a special run with high-?* beam optics to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable t. Here, the measurement is performed with the ALFA sub-detector of ATLAS.
Author: Publisher: ISBN: Category : Languages : en Pages : 63
Book Description
A measurement of the total pp cross section at the LHC at √s = 7 TeV is presented. In a special run with high-?* beam optics, an integrated luminosity of 80 ?b–1 was accumulated in order to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable t . The measurement is performed with the ALFA sub-detector of ATLAS. Using a fit to the differential elastic cross section in the.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
A new type of detector capable of reaching very small angles was successfully used in Fermilab E811 in Jan. 1996. It consists of a bundle of 15,000 scintillating fibers each of 100[micro]m diameter. The fibers are oriented parallel to the beam and gave a measuring resolution of 38[micro]m transverse to the beam. In this report the authors analyzed about 50,000 elastics as close as 3 mm from the beam. Simulated data runs show that the total cross section should be obtained to an accuracy of[+-]2%. The smallest t-bin used has a background subtraction of[approximately]20%, but for most of the t-bins the background is much smaller and the detection efficiency is over 95%. Very preliminary analysis gives a total cross section of[approximately]71 mb at[radical]s= 1.8 TeV using a luminosity-independent method. This is consistent with the earlier Fermilab E710 result which used a different kind of elastic detector. The rho-value analysis has not yet been completed. A personal interpretation (by Orear) of a slower rise in the total cross section is given at the end.
Author: Publisher: ISBN: Category : Languages : en Pages : 9
Book Description
A measurement of the total nuclear cross section, [sigma]{sub t}, the ratio of the real to the imaginary part of the forward nuclear elastic scattering amplitude, [rho], and the nuclear slope parameter, B, for {bar p}p elastic scattering at √{bar S} = 1.8 Te V, is presented. We find [sigma]{sub t} = 72.8 {plus minus} 3.1 mb, [rho] = 0.140 {plus minus} 0.69 and B = 16.99 {plus minus}.47 (GeV/c)−2. 5 refs., 13 figs., 2 tabs.
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Author: ![New Measurement of the P-[anti P] Total Cross Section At[radical] PDF](https://books.google.com/books/content/images/frontcover/N662jwEACAAJ?fife=w80-h100)
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Author: Ksenia Gasnikova
Author: N. A. Amos