A luminosity-independent measurement of the total cross section at √s=1.8 TeV

Amos, N.; Ávila, C.; Baker, W.; Bertani, M.; Block, M. M.; Dimitroyannis, D.; Eartly, D. P.; Ellsworth, R. W.; Giacomelli, G.; Gómez, B.; Goodman, J. A.; Guss, C.; Lennox, A.J.; Mondardini, M.R.; Negret, J. P.; Orear, J.; Pruss, S.; Rubinstein, R.; Sadr, S.; Sanabria, J. C.; Shukla, S.; Veronesi, Ilaria; Zucchelli, S.

doi:10.1016/0370-2693(90)90973-a

Cited by 145 publications

(37 citation statements)

References 30 publications

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“…These values are consistent within the quoted errors with the earlier E710 values [138,139,142] and supersede them.…”

Section: The ρ Parameter At the Tevatronsupporting

confidence: 90%

“…At the Tevatron, the total cross section was measured by three experiments: E710 [138,139], Collider Detector Facility (CDF) [140] and E811 [141]. 28 The total cross section for pp andp p from [135], including the measurement by the UA5 Collaboration, compared with models and data, as explained in the text.…”

Section: Reaching the Tev Regionmentioning

confidence: 99%

“…Coulomb effects were included in the analysis, although small in the range used for the extrapolation. A second measurement [139] used the luminosity independent method, described in the previous subsection, and the total cross section was obtained from…”

Section: Measurements At the Tevatronmentioning

confidence: 99%

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Introduction to the physics of the total cross section at LHC

Pancheri

Srivastava

2017

Eur. Phys. J. C

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This review describes the development of the physics of hadronic cross sections up to recent LHC results and cosmic ray experiments. We present here a comprehensive review -written with a historical perspective -about total cross sections from medium to the highest energies explored experimentally and studied through a variety of methods and theoretical models for over 60 years. We begin by recalling the analytic properties of the elastic amplitude and the theorems about the asymptotic behavior of the total cross section. A discussion of how proton-proton cross sections are extracted from cosmic rays at higher than accelerator energies and help the study of these asymptotic limits, is presented. This is followed by a description of the advent of particle colliders, through which high energies and unmatched experimental precisions have been attained. Thus the measured hadronic elastic and total cross sections have become crucial instruments to probe the so called soft part of QCD physics, where quarks and gluons are confined, and have led to test and refine Regge behavior and a number of diffractive models. As the c.m. energy increases, the total cross section also probes the transition into hard scattering describable with perturbative QCD, the so-called mini-jet region. Further tests are provided by cross section measurements of γ p, γ * p and γ * γ * for models based on vector meson dominance, scaling limits of virtual photons at high Q 2 and the BFKL formalism. Models interpolating from virtual to real photons are also tested.

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“…These values are consistent within the quoted errors with the earlier E710 values [138,139,142] and supersede them.…”

Section: The ρ Parameter At the Tevatronsupporting

confidence: 90%

Section: Reaching the Tev Regionmentioning

confidence: 99%

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Introduction to the physics of the total cross section at LHC

Pancheri

Srivastava

2017

Eur. Phys. J. C

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“…For example, the recent fit of [75] leads to This value agrees with a cosmic-ray measurement [76]. Note that the conflict between the three Tevatron data points [77] leads to substantial uncertainty in these fits.…”

Section: Small-t Elastic Scattering and The Soft Pomeronsupporting

confidence: 71%

A full-acceptance detector at the LHC (FELIX)

Ageev¹,

Akhobadze²,

Alvero³

et al. 2002

J. Phys. G: Nucl. Part. Phys.

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The FELIX collaboration had proposed the construction of a full-acceptance detector for the LHC. The primary mission of FELIX was the study of QCD: to provide comprehensive and definitive observations of a very broad range of strong-interaction processes. This document contains an extensive discussion of this physics menu. In a further paper the FELIX detector will be reviewed. Contents HISTORYWith the advent of the large hadron collider (LHC), we are on the threshold of a new era in high-energy physics. With instrumentation in the form of dedicated experiments of unprecedented precision and complexity, the LHC will move significantly beyond the current high-energy frontier, and dramatically improve our understanding of particle physics at the highest energies and shortest distances accessible to man.As currently planned, however, the LHC experimental programme is incomplete. Moreover, these deficiencies continue and extend what has been a gap in the experimental programme of all hadron colliders. The problem lies in the design of the detectors instrumenting hadron colliders: they are all optimized for rare, high-pt events. These 'general purpose' detectors are anything but that. Rather, they are designed to explore extreme shortdistance phenomena. Without intending to demean the efforts of the collaborations which have built or are building these detectors, it is nevertheless these events in which the theorists are most confident that they understand the physics, and are in many ways experimentally most accessible.While there is no doubt that such physics and such detectors should be the centrepiece of any programme of hadron collider physics, it seems much less clear that they should be the only item on the agenda. Indeed, it can be argued that a full-acceptance detector, capable of detecting and measuring each particle in an event well, may have the greatest discovery potential. Alas, the absence of any experimental effort in this direction in the collider era has meant that both theoretical investigations and experimental design of such detectors has languished, to the point that many in the community have come to think of high-pt physics as the last frontier in particle physics.The FELIX collaboration sought to rectify this situation. With support from the CERN administration, some 160 physicists collaborated in preparing the FELIX LoI. Many of these could not officially join the collaboration, and so their help could only be acknowledged. While the FELIX proposal was never officially killed, it was nevertheless effectively killed without the collaboration making a formal presentation to the LHC committee.All of this, of course, is history, and not very pleasant history at that. The motivation for a full-acceptance detector remains, however, and interest on the part of the broader community, despite the implications of this history, remains high. Because of this, the FELIX collaboration, together with those who helped but were not members, believes that it is important to document the physics of a ...

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“…Introduction.-The measurements at the ISR [1][2][3] (for proton-proton), at the S ppS [4] collider, and at the TEVATRON [5,6] (for proton-antiproton) have provided a clear evidence of the rise of the total cross section with energy. The CERN Large Hadron Collider (LHC) with its energy reach up to 14 TeV and an unprecedented dedicated forward-detector system operated by the TOTEM collaboration provides the unique opportunity to precisely determine tot at various energies and thus the functional form of the rise with energy.…”

mentioning

confidence: 99%

Luminosity-Independent Measurement of the Proton-Proton Total Cross Section ats=8 TeV

Antchev¹,

Aspell²,

Orava³

et al. 2013

Phys. Rev. Lett.

214

111

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The TOTEM collaboration has measured the proton-proton total cross section at ffiffi ffi s p ¼ 8 TeV using a luminosity-independent method. In LHC fills with dedicated beam optics, the Roman pots have been inserted very close to the beam allowing the detection of $90% of the nuclear elastic scattering events. Simultaneously the inelastic scattering rate has been measured by the T1 and T2 telescopes. By applying the optical theorem, the total proton-proton cross section of ð101:7 AE 2:9Þ mb has been determined, well in agreement with the extrapolation from lower energies. This method also allows one to derive the luminosity-independent elastic and inelastic cross sections: el ¼ ð27:1 AE 1:4Þ mb; inel ¼ ð74:7 AE 1:7Þ mb.

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A luminosity-independent measurement of the total cross section at √s=1.8 TeV

Cited by 145 publications

References 30 publications

Introduction to the physics of the total cross section at LHC

Introduction to the physics of the total cross section at LHC

A full-acceptance detector at the LHC (FELIX)

Luminosity-Independent Measurement of the Proton-Proton Total Cross Section ats=8 TeV

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