Champion T., Coombes M. and Brown D. L. Migration and longer-distance commuting in rural England, Regional Studies. This paper examines whether recent in-migrants to rural settlements in England ...commute further to work than the longer-term residents of these places, and whether commuting distance differs according to the type of move and the geographical context of their home. The study is based on data from the Individual Controlled Access Microdata Sample (CAMS) of the 2001 Census of Population. It is found that recent in-migrants are much more likely than longer-term residents to commute at least 20 km. Using binary logistic regression so as to allow for socio-demographic differences between people, it is shown that the likelihood of longer-distance commuting was highest for people who had moved home by between 15 and 99 km and for people moving from the largest cities.
Champion T., Coombes M. et Brown D. L. Les migrations quotidiennes à plus grande distance aux zones rurales en Angleterre, Regional Studies. Cet article cherche à examiner si, oui ou non, les migrations quotidiennes récentes à destination des villages ruraux en Angleterre sont à plus grande distance que ne le sont celles des habitants de longue date, et si, oui ou non, la distance des migrations quotidiennes dépend des caractéristiques du déplacment et du contexte géographique du foyer. L'étude est fondée sur des données qui proviennent de l'Access Microdata Sample (CAMS) du recensement de la population 2001. Il s'avère que les migrants récents sont plus susceptibles de faire des trajets quotidiens d'au moins 10 km que ne le sont les habitants de plus longue date. A partir d'une régression logistique binaire pour tenir compte des différences socio-démographiques individuelles, on montre que la probabilité des migrations quotidiennes à plus grande distance était plus élevée pour ceux qui se sont déménagés entre 15 km et 99 km et pour ceux qui sont arrivés en provenance des plus grandes villes.
Migrations quotidiennes Entrées Angleterre rurale Régression logistique binaire
Champion T., Coombes M. und Brown D. L. Migration und längere Anfahrten zum Arbeitsplatz im ländlichen England, Regional Studies. In diesem Beitrag wird untersucht, ob die in den letzten Jahren in ländlichen Gebieten Englands eingetroffenen Immigranten längere Strecken zu ihrem Arbeitsplatz zurücklegen als Personen, die seit längerem an diesen Orten ansässig sind, und ob die Entfernung zum Arbeitsplatz je nach der Art der Umsiedelung und des geografischen Kontexts der Heimat unterschiedlich ausfällt. Die Studie basiert auf Daten des Individual Controlled Access Microdata Sample (CAMS) aus der Volkszählung von 2001. Wir stellen fest, dass die in den letzten Jahren eingetroffenen Immigranten viel häufiger Strecken von mindestens 20 km zum Arbeitsplatz zurücklegen als seit längerem ansässige Personen. Zur Berücksichtigung der soziodemografischen Unterschiede zwischen den Personen wenden wir eine binäre logistische Regression an und weisen nach, dass die Wahrscheinlichkeit längerer Anfahrten zum Arbeitsplatz unter Personen, die von ihrer Heimat aus an einen zwischen 15 und 99 km entfernten Ort umgezogen sind, sowie unter Personen, die aus den größten Städten umgezogen sind, am höchsten ausfällt.
Entfernung zum Arbeitsplatz Immigration Ländliches England Binäre logistische Regression
Champion T., Coombes M. y Brown D. L. Migración y desplazamientos al trabajo desde largas distancias en la Inglaterra rural, Regional Studies. En este artículo examinamos si las recientes inmigrantes en enclaves rurales en Inglaterra se desplazan al trabajo más lejos que los residentes a largo plazo de estos lugares y si las distancias de estos desplazamientos difieren según el tipo de movimiento y contexto geográfico de sus hogares. Este estudio se basa en los datos de la muestra de microdatos de acceso controlado individual (CAMS) del Censo de Población 2001. Se observa que es mucho más probable que las inmigraciones recientes se desplacen a trabajar como mínimo a una distancia de 20 km que los residentes a largo plazo. Usando una regresión logística binaria, a fin de tener en cuenta las diferencias sociodemográficas entre las personas, mostramos que la probabilidad de desplazarse a distancias más largas era la más alta para las personas que se habían cambiado de domicilio a una distancia entre 15 y 99 km y para las personas que se desplazan a trabajar desde las ciudades más grandes.
Distancia de desplazamientos al trabajo Inmigración Inglaterra rural Regresión logística binaria
Abstract An aberrant common carotid artery is a rare anatomical anomaly. We report a case of an aberrant carotid artery running across the trachea in a patient undergoing total thyroidectomy. This ...rare anomaly may make a tracheostomy, a particularly hazardous procedure.
The charmless decays B± → K+ K- π± and B± → π+ π- π± are reconstructed in a data set of pp collisions with an integrated luminosity of 1.0 fb(-1) and center-of-mass energy of 7 TeV, collected by ...LHCb in 2011. The inclusive charge asymmetries of these modes are measured to be A(CP)(B± → K+ K- π±) = -0.141±0.040 (stat)±0.018 (syst)±0.007(J/ψ K±) and A(CP)(B± → π+ π- π±) = 0.117±0.021 (stat)±0.009 (syst)±0.007(J/ψ K±), where the third uncertainty is due to the CP asymmetry of the B± → J/ψK± reference mode. In addition to the inclusive CP asymmetries, larger asymmetries are observed in localized regions of phase space.
A
bstract
Using three- and four-body decays of
D
mesons produced in semileptonic
b
-hadron decays, precision measurements of
D
meson mass differences are made together with a measurement of the
D
0
...mass. The measurements are based on a dataset corresponding to an integrated luminosity of 1
.
0 fb
−1
collected in
pp
collisions at 7 TeV. Using the decay
D
0
→
K
+
K
−
K
−
π
+
, the
D
0
mass is measured to be
The mass differences
are measured using the
D
0
→
K
+
K
−
π
+
π
−
and
modes.
The semileptonic CP asymmetry in B0-Bover ¯0 mixing, a(sl)(d), is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb-1, recorded by the LHCb experiment. ...Semileptonic B0 decays are reconstructed in the inclusive final states D-μ+ and D*-μ+, where the D- meson decays into the K+π-π- final state and the D*- meson into the Dover ¯0(→K+π-)π- final state. The asymmetry between the numbers of D(*)-μ+ and D(*)+μ- decays is measured as a function of the decay time of the B0 mesons. The CP asymmetry is measured to be a(sl)(d)=(-0.02±0.19±0.30)%, where the first uncertainty is statistical and the second systematic. This is the most precise measurement of a(sl)(d) to date and is consistent with the prediction from the standard model.
Measurements of charm mixing parameters from the decay-time-dependent ratio of D0 → K+ π- to D0 → K- π+ rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 ...fb(-1) of integrated luminosity, from proton-proton collisions at 7 and 8 TeV center-of-mass energies recorded by the LHCb experiment. In the limit of charge-parity (CP ) symmetry, the mixing parameters are determined to be x'2=(5.5±4.9)×10(-5), y'=(4.8±1.0)×10(-3), and RD=(3.568±0.066)×10(-3). Allowing for CP violation, the measurement is performed separately for D0 and D0 mesons yielding AD=(-0.7±1.9)%, for the direct CP-violating asymmetry, and 0.75<|q/p|<1.24 at the 68.3% confidence level, for the parameter describing CP violation in mixing. This is the most precise determination of these parameters from a single experiment and shows no evidence for CP violation.
Observation of excited Λ(b)(0) baryons Abellan Beteta, C; Adametz, A; Alves, Jr, A A ...
Physical review letters,
2012-Oct-26, 20121026, Letnik:
109, Številka:
17
Journal Article
Recenzirano
Odprti dostop
Using pp collision data corresponding to 1.0 fb(-1) integrated luminosity collected by the LHCb detector, two narrow states are observed in the Λ(b)(0)π(+)π(-) spectrum with masses ...5911.97±0.12(stat)±0.02(syst)±0.66(Λ(b)(0) mass) MeV/c(2) and 5919.77±0.08(stat)±0.02(syst)±0.66(Λ(b)(0) mass) MeV/c(2). The significances of the observations are 5.2 and 10.2 standard deviations, respectively. These states are interpreted as the orbitally excited Λ(b)(0) baryons, Λ(b)(*0)(5912) and Λ(b)(*0)(5920).
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