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Hard color-singlet exchange in dijet events in proton-proton collisions at $\sqrt{s} = 13$ TeV
by Cristian Baldenegro Barrera for the CMS and TOTEM Collaborations
This Submission thread is now published as
Submission summary
| Authors (as registered SciPost users): | Cristian Baldenegro Barrera |
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| Preprint Link: | scipost_202107_00067v1 (pdf) |
| Date accepted: | 2022-02-28 |
| Date submitted: | 2021-07-27 18:47 |
| Submitted by: | Baldenegro Barrera, Cristian |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021) |
| Ontological classification | |
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| Academic field: | Physics |
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| Approach: | Experimental |
Abstract
We present a measurement of events with two jets separated by a pseudorapidity gap (jet-gap-jet). The signature is expected from hard color-singlet exchange. The jets are reconstructed with the CMS detector. The highest $p_\text{T}$ jets have $p_\text{T}^\text{jet1,2} > 40$ GeV, with $1.4 < |\eta^\text{jet1,2}| < 4.7$ and $\eta^\text{jet1} \eta^\text{jet2} < 0$. We measure the fraction of color-singlet exchange dijet events, $f_\text{CSE}$, and compare it to previous measurements and to predictions. We also study jet-gap-jet events where the colliding protons remain intact and are detected with the Roman pots of TOTEM. A larger fraction $f_\text{CSE}$ is found in the latter subsample.
Published as SciPost Phys. Proc. 8, 015 (2022)