scholarly journals Synchrotron radiation and beam tube vacuum in a Very Large Hadron Collider, Stage 1 and Stage 2 VLHC

2002 ◽  
Author(s):  
M. Pivi ◽  
W.C. Turner ◽  
P. Bauer ◽  
P. Limon
Keyword(s):  
Synchrotron Radiation ◽  
Large Hadron Collider ◽  
Hadron Collider ◽  
Beam Tube ◽  
Stage 1

scholarly journals Exploring color-octet scalar parameter space in minimal R-symmetric models

2020 ◽  
Vol 2020 (11) ◽  
Author(s):  
Linda M. Carpenter ◽  
Taylor Murphy ◽  
Matthew J. Smylie
Keyword(s):  
Large Hadron Collider ◽  
Parameter Space ◽  
Branching Fractions ◽  
Hadron Collider ◽  
Collider Phenomenology ◽  
Decay Channels ◽  
Color Octet ◽  
Supersymmetric Models ◽  
Three Body ◽  
Displaced Vertex

Abstract In this work we study the collider phenomenology of color-octet scalars (sgluons) in minimal supersymmetric models endowed with a global continuous R symmetry. We systematically catalog the significant decay channels of scalar and pseudoscalar sgluons and identify novel features that are natural in these models. These include decays in nonstandard diboson channels, such as to a gluon and a photon; three-body decays with considerable branching fractions; and long-lived particles with displaced vertex signatures. We also discuss the single and pair production of these particles and show that they can evade existing constraints from the Large Hadron Collider, to varying extents, in large regions of reasonable parameter space. We find, for instance, that a 725 GeV scalar and a 350 GeV or lighter pseudoscalar can still be accommodated in realistic scenarios.

scholarly journals Effect of crab cavity high order modes on the coupled-bunch stability of High-Luminosity Large Hadron Collider

2019 ◽  
Vol 22 (5) ◽  
Author(s):  
S. A. Antipov ◽  
N. Biancacci ◽  
J. Komppula ◽  
E. Métral ◽  
B. Salvant ◽  
...  
Keyword(s):  
Large Hadron Collider ◽  
Hadron Collider ◽  
High Order ◽  
High Luminosity

scholarly journals Automatic detection of transverse beam instabilities in the Large Hadron Collider

2019 ◽  
Vol 22 (11) ◽  
Author(s):  
T. E. Levens ◽  
K. Łasocha ◽  
T. Lefevre ◽  
M. Gąsior ◽  
R. Jones ◽  
...  
Keyword(s):  
Large Hadron Collider ◽  
Hadron Collider ◽  
Automatic Detection ◽  
Transverse Beam ◽  
Beam Instabilities

scholarly journals Flexible graphite as beam dumping material in the TDE blocks of the Large Hadron Collider

2020 ◽  
Vol 28 ◽  
pp. 2228-2234
Author(s):  
E. Solfiti ◽  
M. Calviani ◽  
A. Perillo-Marcone ◽  
J.M. Heredia ◽  
C. Torregrosa ◽  
...  
Keyword(s):  
Large Hadron Collider ◽  
Hadron Collider ◽  
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