Search Results - "Moosbrugger, U."
-
1
Helicity analysis of semileptonic hyperon decays including lepton-mass effects
Published in The European physical journal. C, Particles and fields (2009)“…Using the helicity method we derive complete formulas for the joint angular decay distributions occurring in semileptonic hyperon decays including lepton-mass…”
Get full text
Journal Article -
2
Searches for lepton number violation and resonances in K±→πμμ decays
Published in Physics letters. B (01-06-2017)“…The NA48/2 experiment at CERN collected a large sample of charged kaon decays to final states with multiple charged particles in 2003–2004. A new upper limit…”
Get full text
Journal Article -
3
New high statistics measurement of Ke4 decay form factors and ππ scattering phase shifts
Published in The European physical journal. C, Particles and fields (01-04-2008)“…We report results from a new measurement of the K e4 decay K ± →π + π - e ± ν by the NA48/2 collaboration at the CERN SPS, based on a partial sample of more…”
Get full text
Journal Article -
4
First observation and study of the K± → π±π0e+e− decay
Published in Physics letters. B (10-01-2019)“…The NA48/2 experiment at CERN reports the first observation of the K±→π±π0e+e− decay from an exposure of 1.7×1011 charged kaon decays recorded in 2003–2004. A…”
Get full text
Journal Article -
5
Search for the dark photon in π0 decays
Published in Physics letters. B (30-06-2015)“…A sample of 1.69×107 fully reconstructed π0→γe+e− decay candidates collected by the NA48/2 experiment at CERN in 2003–2004 is analyzed to search for the dark…”
Get full text
Journal Article -
6
Precise tests of low energy QCD from $\mbox {$\mathrm {K}_{\mathrm {e}4}$}$ decay properties
Published in The European physical journal. C, Particles and fields (01-12-2010)Get full text
Journal Article -
7
First observation and study of the K±→ π0π0μ±ν decay
Published in The journal of high energy physics (22-03-2024)“…A bstract The NA48/2 experiment at CERN reports the first observation of the K ± → π 0 π 0 μ ± ν decay based on a sample of 2437 candidates with 15% background…”
Get full text
Journal Article -
8
First observation and study of the $K^± → π^0π^0μ^±ν$ decay
Published in The journal of high energy physics (22-03-2024)“…The NA48/2 experiment at CERN reports the first observation of the $K^± → π^0π^0μ^±$ν decay based on a sample of 2437 candidates with 15% background…”
Get full text
Journal Article -
9
Precise tests of low energy QCD from Ke4 decay properties
Published in The European physical journal. C, Particles and fields (01-12-2010)Get full text
Journal Article -
10
Measurement of the form factors of charged kaon semileptonic decays
Published in The journal of high energy physics (01-10-2018)“…A bstract A measurement of the form factors of charged kaon semileptonic decays is presented, based on 4.4 × 10 6 K ± → π 0 e ± ν e ( K e 3 ± ) and 2.3 × 10 6…”
Get full text
Journal Article -
11
Precise measurement of the K±→π±e+e− decay
Published in Physics letters. B (29-06-2009)“…A sample of 7253 K±→π±e+e−(γ) decay candidates with 1.0% background contamination has been collected by the NA48/2 experiment at the CERN SPS, which allowed a…”
Get full text
Journal Article -
12
New measurement of the K±→π±μ+μ− decay
Published in Physics letters. B (28-02-2011)“…A sample of 3120 K±→π±μ+μ− decay candidates with (3.3±0.7)% background contamination has been collected by the NA48/2 experiment at the CERN SPS, allowing a…”
Get full text
Journal Article -
13
New measurement of the decay branching ratio and hadronic form factors
Published in Physics letters. B (29-08-2012)“…A sample of more than one million K +/- ? p + p - e +/- ? (K e 4) decay candidates with less than one percent background contamination has been collected by…”
Get full text
Journal Article -
14
Measurement of the form factors of charged kaon semileptonic decays
Published in The journal of high energy physics (24-10-2018)“…A measurement of the form factors of charged kaon semileptonic decays is presented, based on 4.4 × 106K± → π0e±νe (K e3 ± ) and 2.3 × 106K± → π0μ±νμ (K μ3 ±)…”
Get full text
Journal Article -
15
First observation and study of the K ± → π 0 π 0 μ ± ν decay
Published in The journal of high energy physics (01-03-2024)“…Abstract The NA48/2 experiment at CERN reports the first observation of the K ± → π 0 π 0 μ ± ν decay based on a sample of 2437 candidates with 15% background…”
Get full text
Journal Article -
16
A new measurement of the K ± → π ± γ γ decay at the NA48/2 experiment
Published in Physics letters. B (07-03-2014)Get full text
Journal Article -
17
Recent QCD results from the NA48/2 experiment
Published in Nuclear and particle physics proceedings (01-07-2018)“…The NA48/2 experiment collected data in 2003 and 2004 with the main purpose to study direct CP violation in charged kaons decaying in three pions. Thanks to…”
Get full text
Journal Article -
18
Search for the dark photon in π 0 decays
Published in Physics letters. B (01-06-2015)Get full text
Journal Article -
19
Detailed study of the K ± → π 0 π 0 e ± ν (K e4 00 ) decay properties
Published in The journal of high energy physics (01-08-2014)Get full text
Journal Article -
20
Recent NA48/2 results on rare kaon decays
Published in EPJ Web of Conferences (01-01-2019)“…NA48/2 results contributing to ChPT testing are presented. A sample of 1663 events of the rare decay $ K^ \pm \to \mu ^ \pm ve^ + e^ - $ has been selected with…”
Get full text
Journal Article Conference Proceeding