# Measurement of the differential Drell-Yan cross section in proton-proton collisions at $\sqrt{s} =$ 13 TeV

## TL;DR

This paper reports precise measurements of the differential Drell-Yan cross section in proton-proton collisions at 13 TeV, comparing results with Standard Model predictions to test theoretical accuracy.

## Contribution

First measurement of the differential Drell-Yan cross section at 13 TeV in both muon and electron channels with detailed comparison to theory.

## Key findings

- Measured cross sections agree with Standard Model predictions
- Data covers dilepton mass range from 15 to 3000 GeV
- Results validate perturbative QCD calculations

## Abstract

Measurements of the differential cross section for the Drell-Yan process, based on proton-proton collision data at a centre-of-mass energy of 13 TeV, collected by the CMS experiment, are presented. The data correspond to an integrated luminosity of 2.8 (2.3) fb$^{-1}$ in the dimuon (dielectron) channel. The total and fiducial cross section measurements are presented as a function of dilepton invariant mass in the range 15 to 3000 GeV, and compared with the perturbative predictions of the standard model. The measured differential cross sections are in good agreement with the theoretical calculations.