Measurements at HERA-II

نویسنده

  • Paul Newman
چکیده

The theoretical interest in the longitudinal diffractive structure function F L is briefly motivated and possible measurement methods are surveyed. A simulation based on realistic scenarios with a reduced proton beam energy at HERAII using the H1 apparatus shows that measurements are possible with up to 4σ significance, limited by systematic errors.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Searches and Electroweak Measurements at Hera

(on behalf of the H1 and ZEUS collaborations) The H1 and ZEUS collaborations have used the HERA I data to search for physics beyond the SM and to test electroweak physics in electron-proton collisions. The new period of data taking (HERA II) has started and first HERA II analyses become available. An overview is given of recent highlights, including isolated lepton and multi-lepton events, test...

متن کامل

Determination of the proton parton density functions at HERA

Recent experimental progress on the determination of the parton distribution functions in the proton from the H1 and ZEUS Collaborations at HERA is reported. New QCD fits yielding improved determinations of the parton distribution functions in the proton are described. On one hand, precise measurements of neutral-current deep inelastic scattering at low Q2 have allowed an improved determination...

متن کامل

Measurements of charm production at HERA with the H1 experiment

Abstract. The study of charm production at the ep collider HERA is particularly interesting since it provides sensitivity to the gluon density in the proton and it allows different models and schemes of pQCD to be tested. New measurements, which are based on part of the HERA II data and correspond to an integrated luminosity of more than 220 pb are presented for the inclusive production of D⋆ m...

متن کامل

Highlights from Zeus

Highlights from the ZEUS experiment at HERA as of the DIS06 conference in April are shown. New results focus on measurements from the HERA II running period of inclusive DIS at high momentum transfer using polarised leptons and on their impact in combined QCD and electroweak fits. Investigation of the hadronic final state, both for inclusive and diffractive reactions, continues to challenge the...

متن کامل

Zeus at Hera Ii

The ZEUS detector has been upgraded in a number of areas to prepare for the physics opportunities of HERA II. These upgrades, and their physics rationale and promise, are briefly outlined. The measurement of polarisation at HERA II, and its importance for the HERA II physics programme, is also discussed.

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2005